Flights from Washington to Portugal (IAD to PT)

Discover more affordable dates and routes for flights from Washington to Portugal (IAD to PT) within a date range.

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US$1362

5:00pm - 5:20am
Tue Sep 16th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Tue Sep 23rd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Tue Sep 16th 2025 TAP Portugal · TP 232 Depart at 5:00pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 5:20am in Lisbon (LIS)

Stay in Lisbon for 6 nights

Tue Sep 23rd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1479

5:45pm - 6:05am
Mon Sep 15th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Wed Sep 24th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 TAP Portugal · TP 232 Depart at 5:45pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 6:05am in Lisbon (LIS)

Stay in Lisbon for 8 nights

Wed Sep 24th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1479

10:20pm - 10:40am
Mon Sep 15th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Wed Sep 24th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 8 nights

Wed Sep 24th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1479

5:45pm - 6:05am
Mon Sep 15th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Thu Sep 25th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 TAP Portugal · TP 232 Depart at 5:45pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 6:05am in Lisbon (LIS)

Stay in Lisbon for 9 nights

Thu Sep 25th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1479

10:20pm - 10:40am
Mon Sep 15th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Thu Sep 25th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 9 nights

Thu Sep 25th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1554

5:00pm - 5:20am
Tue Sep 16th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Wed Sep 24th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Tue Sep 16th 2025 TAP Portugal · TP 232 Depart at 5:00pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 5:20am in Lisbon (LIS)

Stay in Lisbon for 7 nights

Wed Sep 24th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1554

5:00pm - 5:20am
Tue Sep 16th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Thu Sep 25th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Tue Sep 16th 2025 TAP Portugal · TP 232 Depart at 5:00pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 5:20am in Lisbon (LIS)

Stay in Lisbon for 8 nights

Thu Sep 25th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1597

10:20pm - 10:40am
Thu Sep 18th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Tue Sep 23rd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Thu Sep 18th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 4 nights

Tue Sep 23rd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1597

10:20pm - 10:40am
Fri Sep 19th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Thu Sep 25th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Fri Sep 19th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 5 nights

Thu Sep 25th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1600

2:25pm - 11:05am
Wed Sep 17th 2025

15h 40m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

12:20pm - 3:45pm
Thu Sep 25th 2025

8h 25m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Wed Sep 17th 2025 Air Canada · AC 8619 Depart at 2:25pm from Washington, D.C. (IAD) Fly for 1h 32m Arrive at 3:57pm in Toronto (YYZ)

Layover in Toronto for 7h 3m

Wed Sep 17th 2025 Air Canada · AC 810 Depart at 11:00pm from Toronto (YYZ) Fly for 7h 5m Arrive at 11:05am in Lisbon (LIS)

Stay in Lisbon for 7 nights

Thu Sep 25th 2025 United Airlines · UA 943 Depart at 12:20pm from Lisbon (LIS) Fly for 8h 25m Arrive at 3:45pm in Washington, D.C. (IAD)
US$1600

9:05pm - 9:05pm
Wed Sep 17th 2025

19h 0m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

12:00pm - 3:20pm
Tue Sep 23rd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Wed Sep 17th 2025 Royal Air Maroc · AT 219 Depart at 9:05pm from Washington, D.C. (IAD) Fly for 7h 15m Arrive at 9:20am in Casablanca (CMN)

Layover in Casablanca for 10h 25m

Thu Sep 18th 2025 Royal Air Maroc · AT 982 Depart at 7:45pm from Casablanca (CMN) Fly for 1h 20m Arrive at 9:05pm in Lisbon (LIS)

Stay in Lisbon for 4 nights

Tue Sep 23rd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1601

8:45pm - 2:45pm
Wed Sep 17th 2025

13h 0m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

12:20pm - 3:45pm
Thu Sep 25th 2025

8h 25m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Wed Sep 17th 2025 Swiss International Air Lines · LX 73 Depart at 8:45pm from Washington, D.C. (IAD) Fly for 8h 5m Arrive at 10:50am in Zürich (ZRH)

Layover in Zürich for 2h 0m

Thu Sep 18th 2025 Swiss International Air Lines · LX 2084 Depart at 12:50pm from Zürich (ZRH) Fly for 2h 55m Arrive at 2:45pm in Lisbon (LIS)

Stay in Lisbon for 6 nights

Thu Sep 25th 2025 United Airlines · UA 943 Depart at 12:20pm from Lisbon (LIS) Fly for 8h 25m Arrive at 3:45pm in Washington, D.C. (IAD)
US$1602

9:05pm - 12:15pm
Wed Sep 17th 2025

10h 10m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

12:00pm - 3:20pm
Tue Sep 23rd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Wed Sep 17th 2025 Royal Air Maroc · AT 219 Depart at 9:05pm from Washington, D.C. (IAD) Fly for 7h 15m Arrive at 9:20am in Casablanca (CMN)

Layover in Casablanca for 1h 35m

Thu Sep 18th 2025 Royal Air Maroc · AT 980 Depart at 10:55am from Casablanca (CMN) Fly for 1h 20m Arrive at 12:15pm in Lisbon (LIS)

Stay in Lisbon for 4 nights

Tue Sep 23rd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1606

9:35am - 9:20am
Wed Sep 17th 2025

18h 45m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

12:20pm - 3:45pm
Thu Sep 25th 2025

8h 25m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Wed Sep 17th 2025 United Airlines · UA 8083 Depart at 9:35am from Washington, D.C. (IAD) Fly for 1h 53m Arrive at 11:28am in Montreal (YUL)

Layover in Montreal for 10h 7m

Wed Sep 17th 2025 United Airlines · UA 8090 Depart at 9:35pm from Montreal (YUL) Fly for 6h 45m Arrive at 9:20am in Lisbon (LIS)

Stay in Lisbon for 7 nights

Thu Sep 25th 2025 United Airlines · UA 943 Depart at 12:20pm from Lisbon (LIS) Fly for 8h 25m Arrive at 3:45pm in Washington, D.C. (IAD)
US$1611

9:05pm - 9:05pm
Wed Sep 17th 2025

19h 0m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

12:00pm - 3:20pm
Fri Sep 26th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Wed Sep 17th 2025 Royal Air Maroc · AT 219 Depart at 9:05pm from Washington, D.C. (IAD) Fly for 7h 15m Arrive at 9:20am in Casablanca (CMN)

Layover in Casablanca for 10h 25m

Thu Sep 18th 2025 Royal Air Maroc · AT 982 Depart at 7:45pm from Casablanca (CMN) Fly for 1h 20m Arrive at 9:05pm in Lisbon (LIS)

Stay in Lisbon for 7 nights

Fri Sep 26th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1611

9:05pm - 9:05pm
Wed Sep 17th 2025

19h 0m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

5:30pm - 8:50pm
Mon Sep 22nd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Wed Sep 17th 2025 Royal Air Maroc · AT 219 Depart at 9:05pm from Washington, D.C. (IAD) Fly for 7h 15m Arrive at 9:20am in Casablanca (CMN)

Layover in Casablanca for 10h 25m

Thu Sep 18th 2025 Royal Air Maroc · AT 982 Depart at 7:45pm from Casablanca (CMN) Fly for 1h 20m Arrive at 9:05pm in Lisbon (LIS)

Stay in Lisbon for 3 nights

Mon Sep 22nd 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1611

9:05pm - 9:05pm
Wed Sep 17th 2025

19h 0m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

5:30pm - 8:50pm
Thu Sep 25th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Wed Sep 17th 2025 Royal Air Maroc · AT 219 Depart at 9:05pm from Washington, D.C. (IAD) Fly for 7h 15m Arrive at 9:20am in Casablanca (CMN)

Layover in Casablanca for 10h 25m

Thu Sep 18th 2025 Royal Air Maroc · AT 982 Depart at 7:45pm from Casablanca (CMN) Fly for 1h 20m Arrive at 9:05pm in Lisbon (LIS)

Stay in Lisbon for 6 nights

Thu Sep 25th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1611

9:05pm - 9:05pm
Wed Sep 17th 2025

19h 0m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

12:00pm - 3:20pm
Wed Sep 24th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Wed Sep 17th 2025 Royal Air Maroc · AT 219 Depart at 9:05pm from Washington, D.C. (IAD) Fly for 7h 15m Arrive at 9:20am in Casablanca (CMN)

Layover in Casablanca for 10h 25m

Thu Sep 18th 2025 Royal Air Maroc · AT 982 Depart at 7:45pm from Casablanca (CMN) Fly for 1h 20m Arrive at 9:05pm in Lisbon (LIS)

Stay in Lisbon for 5 nights

Wed Sep 24th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1611

9:05pm - 9:05pm
Wed Sep 17th 2025

19h 0m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

12:00pm - 3:20pm
Thu Sep 25th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Wed Sep 17th 2025 Royal Air Maroc · AT 219 Depart at 9:05pm from Washington, D.C. (IAD) Fly for 7h 15m Arrive at 9:20am in Casablanca (CMN)

Layover in Casablanca for 10h 25m

Thu Sep 18th 2025 Royal Air Maroc · AT 982 Depart at 7:45pm from Casablanca (CMN) Fly for 1h 20m Arrive at 9:05pm in Lisbon (LIS)

Stay in Lisbon for 6 nights

Thu Sep 25th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1613

9:05pm - 12:15pm
Wed Sep 17th 2025

10h 10m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

12:00pm - 3:20pm
Fri Sep 26th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Wed Sep 17th 2025 Royal Air Maroc · AT 219 Depart at 9:05pm from Washington, D.C. (IAD) Fly for 7h 15m Arrive at 9:20am in Casablanca (CMN)

Layover in Casablanca for 1h 35m

Thu Sep 18th 2025 Royal Air Maroc · AT 980 Depart at 10:55am from Casablanca (CMN) Fly for 1h 20m Arrive at 12:15pm in Lisbon (LIS)

Stay in Lisbon for 7 nights

Fri Sep 26th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1613

9:05pm - 12:15pm
Wed Sep 17th 2025

10h 10m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

5:30pm - 8:50pm
Mon Sep 22nd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Wed Sep 17th 2025 Royal Air Maroc · AT 219 Depart at 9:05pm from Washington, D.C. (IAD) Fly for 7h 15m Arrive at 9:20am in Casablanca (CMN)

Layover in Casablanca for 1h 35m

Thu Sep 18th 2025 Royal Air Maroc · AT 980 Depart at 10:55am from Casablanca (CMN) Fly for 1h 20m Arrive at 12:15pm in Lisbon (LIS)

Stay in Lisbon for 4 nights

Mon Sep 22nd 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1613

9:05pm - 12:15pm
Wed Sep 17th 2025

10h 10m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

12:00pm - 3:20pm
Wed Sep 24th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Wed Sep 17th 2025 Royal Air Maroc · AT 219 Depart at 9:05pm from Washington, D.C. (IAD) Fly for 7h 15m Arrive at 9:20am in Casablanca (CMN)

Layover in Casablanca for 1h 35m

Thu Sep 18th 2025 Royal Air Maroc · AT 980 Depart at 10:55am from Casablanca (CMN) Fly for 1h 20m Arrive at 12:15pm in Lisbon (LIS)

Stay in Lisbon for 5 nights

Wed Sep 24th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1613

9:05pm - 12:15pm
Wed Sep 17th 2025

10h 10m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

5:30pm - 8:50pm
Thu Sep 25th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Wed Sep 17th 2025 Royal Air Maroc · AT 219 Depart at 9:05pm from Washington, D.C. (IAD) Fly for 7h 15m Arrive at 9:20am in Casablanca (CMN)

Layover in Casablanca for 1h 35m

Thu Sep 18th 2025 Royal Air Maroc · AT 980 Depart at 10:55am from Casablanca (CMN) Fly for 1h 20m Arrive at 12:15pm in Lisbon (LIS)

Stay in Lisbon for 7 nights

Thu Sep 25th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1613

9:05pm - 12:15pm
Wed Sep 17th 2025

10h 10m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

12:00pm - 3:20pm
Thu Sep 25th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Wed Sep 17th 2025 Royal Air Maroc · AT 219 Depart at 9:05pm from Washington, D.C. (IAD) Fly for 7h 15m Arrive at 9:20am in Casablanca (CMN)

Layover in Casablanca for 1h 35m

Thu Sep 18th 2025 Royal Air Maroc · AT 980 Depart at 10:55am from Casablanca (CMN) Fly for 1h 20m Arrive at 12:15pm in Lisbon (LIS)

Stay in Lisbon for 6 nights

Thu Sep 25th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1619

10:20pm - 10:40am
Thu Sep 18th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Mon Sep 22nd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Thu Sep 18th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 3 nights

Mon Sep 22nd 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1619

10:20pm - 10:40am
Thu Sep 18th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Fri Sep 26th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Thu Sep 18th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 7 nights

Fri Sep 26th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1619

10:20pm - 10:40am
Thu Sep 18th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Thu Sep 25th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Thu Sep 18th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 6 nights

Thu Sep 25th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1619

10:20pm - 10:40am
Thu Sep 18th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Wed Sep 24th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Thu Sep 18th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 5 nights

Wed Sep 24th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1619

10:20pm - 10:40am
Thu Sep 18th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Thu Sep 25th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Thu Sep 18th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 6 nights

Thu Sep 25th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1650

10:20pm - 10:40am
Mon Sep 15th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Thu Sep 25th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 9 nights

Thu Sep 25th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1671

5:45pm - 6:05am
Mon Sep 15th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Wed Sep 24th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 TAP Portugal · TP 232 Depart at 5:45pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 6:05am in Lisbon (LIS)

Stay in Lisbon for 8 nights

Wed Sep 24th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1673

9:05pm - 5:40pm
Fri Sep 19th 2025

15h 35m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

12:00pm - 3:20pm
Tue Sep 23rd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Fri Sep 19th 2025 Royal Air Maroc · AT 219 Depart at 9:05pm from Washington, D.C. (IAD) Fly for 7h 15m Arrive at 9:20am in Casablanca (CMN)

Layover in Casablanca for 7h 0m

Sat Sep 20th 2025 Royal Air Maroc · AT 982 Depart at 4:20pm from Casablanca (CMN) Fly for 1h 20m Arrive at 5:40pm in Lisbon (LIS)

Stay in Lisbon for 2 nights

Tue Sep 23rd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1680

10:20pm - 10:40am
Thu Sep 18th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Wed Sep 24th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Thu Sep 18th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 5 nights

Wed Sep 24th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1684

9:05pm - 5:40pm
Fri Sep 19th 2025

15h 35m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

12:00pm - 3:20pm
Thu Sep 25th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Fri Sep 19th 2025 Royal Air Maroc · AT 219 Depart at 9:05pm from Washington, D.C. (IAD) Fly for 7h 15m Arrive at 9:20am in Casablanca (CMN)

Layover in Casablanca for 7h 0m

Sat Sep 20th 2025 Royal Air Maroc · AT 982 Depart at 4:20pm from Casablanca (CMN) Fly for 1h 20m Arrive at 5:40pm in Lisbon (LIS)

Stay in Lisbon for 4 nights

Thu Sep 25th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1684

9:05pm - 5:40pm
Fri Sep 19th 2025

15h 35m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

12:00pm - 3:20pm
Wed Sep 24th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Fri Sep 19th 2025 Royal Air Maroc · AT 219 Depart at 9:05pm from Washington, D.C. (IAD) Fly for 7h 15m Arrive at 9:20am in Casablanca (CMN)

Layover in Casablanca for 7h 0m

Sat Sep 20th 2025 Royal Air Maroc · AT 982 Depart at 4:20pm from Casablanca (CMN) Fly for 1h 20m Arrive at 5:40pm in Lisbon (LIS)

Stay in Lisbon for 3 nights

Wed Sep 24th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1684

9:05pm - 5:40pm
Fri Sep 19th 2025

15h 35m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

5:30pm - 8:50pm
Mon Sep 22nd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Fri Sep 19th 2025 Royal Air Maroc · AT 219 Depart at 9:05pm from Washington, D.C. (IAD) Fly for 7h 15m Arrive at 9:20am in Casablanca (CMN)

Layover in Casablanca for 7h 0m

Sat Sep 20th 2025 Royal Air Maroc · AT 982 Depart at 4:20pm from Casablanca (CMN) Fly for 1h 20m Arrive at 5:40pm in Lisbon (LIS)

Stay in Lisbon for 1 night

Mon Sep 22nd 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1684

9:05pm - 5:40pm
Fri Sep 19th 2025

15h 35m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

5:30pm - 8:50pm
Thu Sep 25th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Fri Sep 19th 2025 Royal Air Maroc · AT 219 Depart at 9:05pm from Washington, D.C. (IAD) Fly for 7h 15m Arrive at 9:20am in Casablanca (CMN)

Layover in Casablanca for 7h 0m

Sat Sep 20th 2025 Royal Air Maroc · AT 982 Depart at 4:20pm from Casablanca (CMN) Fly for 1h 20m Arrive at 5:40pm in Lisbon (LIS)

Stay in Lisbon for 4 nights

Thu Sep 25th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1684

9:05pm - 5:40pm
Fri Sep 19th 2025

15h 35m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

12:00pm - 3:20pm
Fri Sep 26th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Fri Sep 19th 2025 Royal Air Maroc · AT 219 Depart at 9:05pm from Washington, D.C. (IAD) Fly for 7h 15m Arrive at 9:20am in Casablanca (CMN)

Layover in Casablanca for 7h 0m

Sat Sep 20th 2025 Royal Air Maroc · AT 982 Depart at 4:20pm from Casablanca (CMN) Fly for 1h 20m Arrive at 5:40pm in Lisbon (LIS)

Stay in Lisbon for 5 nights

Fri Sep 26th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1713

10:20pm - 10:40am
Mon Sep 15th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Tue Sep 23rd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 7 nights

Tue Sep 23rd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1713

5:45pm - 6:05am
Mon Sep 15th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Tue Sep 23rd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 TAP Portugal · TP 232 Depart at 5:45pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 6:05am in Lisbon (LIS)

Stay in Lisbon for 7 nights

Tue Sep 23rd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1735

5:35pm - 11:10am
Thu Sep 18th 2025

12h 35m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

12:20pm - 3:45pm
Thu Sep 25th 2025

8h 25m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Thu Sep 18th 2025 Brussels Airlines · SN 516 Depart at 5:35pm from Washington, D.C. (IAD) Fly for 7h 50m Arrive at 7:25am in Brussels (BRU)

Layover in Brussels for 1h 50m

Fri Sep 19th 2025 Brussels Airlines · SN 3815 Depart at 9:15am from Brussels (BRU) Fly for 2h 55m Arrive at 11:10am in Lisbon (LIS)

Stay in Lisbon for 6 nights

Thu Sep 25th 2025 United Airlines · UA 943 Depart at 12:20pm from Lisbon (LIS) Fly for 8h 25m Arrive at 3:45pm in Washington, D.C. (IAD)
US$1745

5:00pm - 5:20am
Tue Sep 16th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Wed Sep 24th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Tue Sep 16th 2025 TAP Portugal · TP 232 Depart at 5:00pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 5:20am in Lisbon (LIS)

Stay in Lisbon for 7 nights

Wed Sep 24th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1756

6:10pm - 11:25am
Thu Sep 18th 2025

12h 15m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

12:20pm - 3:45pm
Thu Sep 25th 2025

8h 25m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Thu Sep 18th 2025 Lufthansa · LH 419 Depart at 6:10pm from Washington, D.C. (IAD) Fly for 7h 50m Arrive at 8:00am in Frankfurt (FRA)

Layover in Frankfurt for 1h 15m

Fri Sep 19th 2025 Lufthansa · LH 1166 Depart at 9:15am from Frankfurt (FRA) Fly for 3h 10m Arrive at 11:25am in Lisbon (LIS)

Stay in Lisbon for 6 nights

Thu Sep 25th 2025 United Airlines · UA 943 Depart at 12:20pm from Lisbon (LIS) Fly for 8h 25m Arrive at 3:45pm in Washington, D.C. (IAD)
US$1767

8:45pm - 2:45pm
Thu Sep 18th 2025

13h 0m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

12:20pm - 3:45pm
Thu Sep 25th 2025

8h 25m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Thu Sep 18th 2025 Swiss International Air Lines · LX 73 Depart at 8:45pm from Washington, D.C. (IAD) Fly for 8h 5m Arrive at 10:50am in Zürich (ZRH)

Layover in Zürich for 2h 0m

Fri Sep 19th 2025 Swiss International Air Lines · LX 2084 Depart at 12:50pm from Zürich (ZRH) Fly for 2h 55m Arrive at 2:45pm in Lisbon (LIS)

Stay in Lisbon for 5 nights

Thu Sep 25th 2025 United Airlines · UA 943 Depart at 12:20pm from Lisbon (LIS) Fly for 8h 25m Arrive at 3:45pm in Washington, D.C. (IAD)
US$1785

5:00pm - 5:20am
Tue Sep 16th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Fri Sep 26th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Tue Sep 16th 2025 TAP Portugal · TP 232 Depart at 5:00pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 5:20am in Lisbon (LIS)

Stay in Lisbon for 9 nights

Fri Sep 26th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1785

5:00pm - 5:20am
Tue Sep 16th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Mon Sep 22nd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Tue Sep 16th 2025 TAP Portugal · TP 232 Depart at 5:00pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 5:20am in Lisbon (LIS)

Stay in Lisbon for 5 nights

Mon Sep 22nd 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1785

5:00pm - 5:20am
Tue Sep 16th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Thu Sep 25th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Tue Sep 16th 2025 TAP Portugal · TP 232 Depart at 5:00pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 5:20am in Lisbon (LIS)

Stay in Lisbon for 8 nights

Thu Sep 25th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1790

5:50pm - 6:10am
Wed Sep 17th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Tue Sep 23rd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Wed Sep 17th 2025 TAP Portugal · TP 232 Depart at 5:50pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 6:10am in Lisbon (LIS)

Stay in Lisbon for 5 nights

Tue Sep 23rd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1791

10:20pm - 10:40am
Wed Sep 17th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Thu Sep 25th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Wed Sep 17th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 7 nights

Thu Sep 25th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1809

10:20pm - 10:40am
Wed Sep 17th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Thu Sep 25th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Wed Sep 17th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 7 nights

Thu Sep 25th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1813

10:20pm - 10:40am
Wed Sep 17th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Tue Sep 23rd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Wed Sep 17th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 5 nights

Tue Sep 23rd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1818

5:45pm - 6:05am
Mon Sep 15th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Fri Sep 26th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 TAP Portugal · TP 232 Depart at 5:45pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 6:05am in Lisbon (LIS)

Stay in Lisbon for 10 nights

Fri Sep 26th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1818

5:45pm - 6:05am
Mon Sep 15th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Fri Sep 26th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 TAP Portugal · TP 232 Depart at 5:45pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 6:05am in Lisbon (LIS)

Stay in Lisbon for 10 nights

Fri Sep 26th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1828

9:05pm - 12:15pm
Wed Sep 17th 2025

10h 10m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

5:30pm - 8:50pm
Wed Sep 24th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Wed Sep 17th 2025 Royal Air Maroc · AT 219 Depart at 9:05pm from Washington, D.C. (IAD) Fly for 7h 15m Arrive at 9:20am in Casablanca (CMN)

Layover in Casablanca for 1h 35m

Thu Sep 18th 2025 Royal Air Maroc · AT 980 Depart at 10:55am from Casablanca (CMN) Fly for 1h 20m Arrive at 12:15pm in Lisbon (LIS)

Stay in Lisbon for 6 nights

Wed Sep 24th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1841

5:45pm - 6:05am
Mon Sep 15th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Thu Sep 25th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 TAP Portugal · TP 232 Depart at 5:45pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 6:05am in Lisbon (LIS)

Stay in Lisbon for 9 nights

Thu Sep 25th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1852

5:50pm - 6:10am
Thu Sep 18th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Tue Sep 23rd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Thu Sep 18th 2025 TAP Portugal · TP 232 Depart at 5:50pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 6:10am in Lisbon (LIS)

Stay in Lisbon for 4 nights

Tue Sep 23rd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1852

5:50pm - 6:10am
Thu Sep 18th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Wed Sep 24th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Thu Sep 18th 2025 TAP Portugal · TP 232 Depart at 5:50pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 6:10am in Lisbon (LIS)

Stay in Lisbon for 5 nights

Wed Sep 24th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1864

4:35pm - 10:20am
Mon Sep 15th 2025

12h 45m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

12:00pm - 3:20pm
Tue Sep 23rd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 Iberia Airlines · IB 362 Depart at 4:35pm from Washington, D.C. (IAD) Fly for 7h 50m Arrive at 6:25am in Madrid (MAD)

Layover in Madrid for 3h 30m

Tue Sep 16th 2025 easyJet · U2 7652 Depart at 9:55am from Madrid (MAD) Fly for 1h 25m Arrive at 10:20am in Lisbon (LIS)

Stay in Lisbon for 7 nights

Tue Sep 23rd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1876

4:35pm - 10:20am
Mon Sep 15th 2025

12h 45m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

12:00pm - 3:20pm
Wed Sep 24th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 Iberia Airlines · IB 362 Depart at 4:35pm from Washington, D.C. (IAD) Fly for 7h 50m Arrive at 6:25am in Madrid (MAD)

Layover in Madrid for 3h 30m

Tue Sep 16th 2025 easyJet · U2 7652 Depart at 9:55am from Madrid (MAD) Fly for 1h 25m Arrive at 10:20am in Lisbon (LIS)

Stay in Lisbon for 8 nights

Wed Sep 24th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1876

4:35pm - 10:20am
Mon Sep 15th 2025

12h 45m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

12:00pm - 3:20pm
Thu Sep 25th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 Iberia Airlines · IB 362 Depart at 4:35pm from Washington, D.C. (IAD) Fly for 7h 50m Arrive at 6:25am in Madrid (MAD)

Layover in Madrid for 3h 30m

Tue Sep 16th 2025 easyJet · U2 7652 Depart at 9:55am from Madrid (MAD) Fly for 1h 25m Arrive at 10:20am in Lisbon (LIS)

Stay in Lisbon for 9 nights

Thu Sep 25th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1876

4:35pm - 10:20am
Mon Sep 15th 2025

12h 45m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

12:00pm - 3:20pm
Fri Sep 26th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 Iberia Airlines · IB 362 Depart at 4:35pm from Washington, D.C. (IAD) Fly for 7h 50m Arrive at 6:25am in Madrid (MAD)

Layover in Madrid for 3h 30m

Tue Sep 16th 2025 easyJet · U2 7652 Depart at 9:55am from Madrid (MAD) Fly for 1h 25m Arrive at 10:20am in Lisbon (LIS)

Stay in Lisbon for 10 nights

Fri Sep 26th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1876

4:35pm - 10:20am
Mon Sep 15th 2025

12h 45m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

5:30pm - 8:50pm
Thu Sep 25th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 Iberia Airlines · IB 362 Depart at 4:35pm from Washington, D.C. (IAD) Fly for 7h 50m Arrive at 6:25am in Madrid (MAD)

Layover in Madrid for 3h 30m

Tue Sep 16th 2025 easyJet · U2 7652 Depart at 9:55am from Madrid (MAD) Fly for 1h 25m Arrive at 10:20am in Lisbon (LIS)

Stay in Lisbon for 9 nights

Thu Sep 25th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1876

4:35pm - 10:20am
Mon Sep 15th 2025

12h 45m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

5:30pm - 8:50pm
Mon Sep 22nd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 Iberia Airlines · IB 362 Depart at 4:35pm from Washington, D.C. (IAD) Fly for 7h 50m Arrive at 6:25am in Madrid (MAD)

Layover in Madrid for 3h 30m

Tue Sep 16th 2025 easyJet · U2 7652 Depart at 9:55am from Madrid (MAD) Fly for 1h 25m Arrive at 10:20am in Lisbon (LIS)

Stay in Lisbon for 6 nights

Mon Sep 22nd 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1882

5:00pm - 5:20am
Tue Sep 16th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Mon Sep 22nd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Tue Sep 16th 2025 TAP Portugal · TP 232 Depart at 5:00pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 5:20am in Lisbon (LIS)

Stay in Lisbon for 5 nights

Mon Sep 22nd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1882

9:05pm - 12:15pm
Wed Sep 17th 2025

10h 10m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

5:30pm - 8:50pm
Fri Sep 26th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Wed Sep 17th 2025 Royal Air Maroc · AT 219 Depart at 9:05pm from Washington, D.C. (IAD) Fly for 7h 15m Arrive at 9:20am in Casablanca (CMN)

Layover in Casablanca for 1h 35m

Thu Sep 18th 2025 Royal Air Maroc · AT 980 Depart at 10:55am from Casablanca (CMN) Fly for 1h 20m Arrive at 12:15pm in Lisbon (LIS)

Stay in Lisbon for 8 nights

Fri Sep 26th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1887

10:20pm - 10:40am
Thu Sep 18th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Fri Sep 26th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Thu Sep 18th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 7 nights

Fri Sep 26th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1904

5:53pm - 8:20am
Mon Sep 15th 2025

9h 27m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

12:20pm - 3:45pm
Thu Sep 25th 2025

8h 25m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 United Airlines · UA 2429 Depart at 5:53pm from Washington, D.C. (IAD) Fly for 1h 37m Arrive at 7:30pm in New York (EWR)

Layover in New York for 1h 10m

Mon Sep 15th 2025 United Airlines · UA 64 Depart at 8:40pm from New York (EWR) Fly for 6h 40m Arrive at 8:20am in Lisbon (LIS)

Stay in Lisbon for 9 nights

Thu Sep 25th 2025 United Airlines · UA 943 Depart at 12:20pm from Lisbon (LIS) Fly for 8h 25m Arrive at 3:45pm in Washington, D.C. (IAD)
US$1905

5:00pm - 5:20am
Tue Sep 16th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Tue Sep 23rd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Tue Sep 16th 2025 TAP Portugal · TP 232 Depart at 5:00pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 5:20am in Lisbon (LIS)

Stay in Lisbon for 6 nights

Tue Sep 23rd 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1905

10:20pm - 10:40am
Mon Sep 15th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Wed Sep 24th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 8 nights

Wed Sep 24th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1906

10:15pm - 10:30am
Mon Sep 15th 2025

7h 15m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

10:25am - 4:24pm
Tue Sep 23rd 2025

10h 59m
Lisbon (LIS) → Washington, D.C. (IAD)

1 Stop

Mon Sep 15th 2025 United Airlines · UA 942 Depart at 10:15pm from Washington, D.C. (IAD) Fly for 7h 15m Arrive at 10:30am in Lisbon (LIS)

Stay in Lisbon for 6 nights

Tue Sep 23rd 2025 United Airlines · UA 65 Depart at 10:25am from Lisbon (LIS) Fly for 7h 45m Arrive at 1:10pm in New York (EWR)

Layover in New York for 1h 50m

Tue Sep 23rd 2025 United Airlines · UA 1992 Depart at 3:00pm from New York (EWR) Fly for 1h 24m Arrive at 4:24pm in Washington, D.C. (IAD)
US$1934

10:20pm - 10:40am
Mon Sep 15th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Fri Sep 26th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 10 nights

Fri Sep 26th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1934

10:20pm - 10:40am
Mon Sep 15th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Fri Sep 26th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 10 nights

Fri Sep 26th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1938

8:45pm - 2:45pm
Mon Sep 15th 2025

13h 0m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

12:20pm - 3:45pm
Thu Sep 25th 2025

8h 25m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 Swiss International Air Lines · LX 73 Depart at 8:45pm from Washington, D.C. (IAD) Fly for 8h 5m Arrive at 10:50am in Zürich (ZRH)

Layover in Zürich for 2h 0m

Tue Sep 16th 2025 Swiss International Air Lines · LX 2084 Depart at 12:50pm from Zürich (ZRH) Fly for 2h 55m Arrive at 2:45pm in Lisbon (LIS)

Stay in Lisbon for 8 nights

Thu Sep 25th 2025 United Airlines · UA 943 Depart at 12:20pm from Lisbon (LIS) Fly for 8h 25m Arrive at 3:45pm in Washington, D.C. (IAD)
US$1938

8:45pm - 2:45pm
Tue Sep 16th 2025

13h 0m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

12:20pm - 3:45pm
Thu Sep 25th 2025

8h 25m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Tue Sep 16th 2025 Swiss International Air Lines · LX 73 Depart at 8:45pm from Washington, D.C. (IAD) Fly for 8h 5m Arrive at 10:50am in Zürich (ZRH)

Layover in Zürich for 2h 0m

Wed Sep 17th 2025 Swiss International Air Lines · LX 2084 Depart at 12:50pm from Zürich (ZRH) Fly for 2h 55m Arrive at 2:45pm in Lisbon (LIS)

Stay in Lisbon for 7 nights

Thu Sep 25th 2025 United Airlines · UA 943 Depart at 12:20pm from Lisbon (LIS) Fly for 8h 25m Arrive at 3:45pm in Washington, D.C. (IAD)
US$1956

10:20pm - 10:40am
Tue Sep 16th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Mon Sep 22nd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Tue Sep 16th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 5 nights

Mon Sep 22nd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1978

10:20pm - 10:40am
Thu Sep 18th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

1:15pm - 7:05pm
Mon Sep 22nd 2025

10h 50m
Lisbon (LIS) → Washington, D.C. (IAD)

1 Stop

Thu Sep 18th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 3 nights

Mon Sep 22nd 2025 Royal Air Maroc · AT 981 Depart at 1:15pm from Lisbon (LIS) Fly for 1h 25m Arrive at 2:40pm in Casablanca (CMN)

Layover in Casablanca for 1h 25m

Mon Sep 22nd 2025 Royal Air Maroc · AT 218 Depart at 4:05pm from Casablanca (CMN) Fly for 8h 0m Arrive at 7:05pm in Washington, D.C. (IAD)
US$1987

10:15pm - 10:30am
Mon Sep 15th 2025

7h 15m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

7:30am - 3:50pm
Thu Sep 25th 2025

13h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

1 Stop

Mon Sep 15th 2025 United Airlines · UA 942 Depart at 10:15pm from Washington, D.C. (IAD) Fly for 7h 15m Arrive at 10:30am in Lisbon (LIS)

Stay in Lisbon for 8 nights

Thu Sep 25th 2025 United Airlines · UA 9133 Depart at 7:30am from Lisbon (LIS) Fly for 3h 5m Arrive at 11:35am in Frankfurt (FRA)

Layover in Frankfurt for 1h 35m

Thu Sep 25th 2025 United Airlines · UA 8827 Depart at 1:10pm from Frankfurt (FRA) Fly for 8h 40m Arrive at 3:50pm in Washington, D.C. (IAD)
US$1990

10:20pm - 10:40am
Fri Sep 19th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Tue Sep 23rd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Fri Sep 19th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 3 nights

Tue Sep 23rd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$1990

10:20pm - 10:40am
Fri Sep 19th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Wed Sep 24th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Fri Sep 19th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 4 nights

Wed Sep 24th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$1993

5:37pm - 9:20am
Tue Sep 16th 2025

10h 43m
Washington, D.C. (IAD) → Lisbon (LIS)

1 Stop

12:20pm - 3:45pm
Thu Sep 25th 2025

8h 25m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Tue Sep 16th 2025 Air Canada · AC 4671 Depart at 5:37pm from Washington, D.C. (IAD) Fly for 2h 8m Arrive at 7:45pm in Montreal (YUL)

Layover in Montreal for 1h 50m

Tue Sep 16th 2025 Air Canada · AC 812 Depart at 9:35pm from Montreal (YUL) Fly for 6h 45m Arrive at 9:20am in Lisbon (LIS)

Stay in Lisbon for 8 nights

Thu Sep 25th 2025 United Airlines · UA 943 Depart at 12:20pm from Lisbon (LIS) Fly for 8h 25m Arrive at 3:45pm in Washington, D.C. (IAD)
US$2001

10:15pm - 10:30am
Mon Sep 15th 2025

7h 15m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:20pm - 3:45pm
Thu Sep 25th 2025

8h 25m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 United Airlines · UA 942 Depart at 10:15pm from Washington, D.C. (IAD) Fly for 7h 15m Arrive at 10:30am in Lisbon (LIS)

Stay in Lisbon for 9 nights

Thu Sep 25th 2025 United Airlines · UA 943 Depart at 12:20pm from Lisbon (LIS) Fly for 8h 25m Arrive at 3:45pm in Washington, D.C. (IAD)
US$2002

5:45pm - 6:05am
Mon Sep 15th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Mon Sep 22nd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 TAP Portugal · TP 232 Depart at 5:45pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 6:05am in Lisbon (LIS)

Stay in Lisbon for 6 nights

Mon Sep 22nd 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$2002

10:20pm - 10:40am
Wed Sep 17th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Fri Sep 26th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Wed Sep 17th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 8 nights

Fri Sep 26th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$2002

10:20pm - 10:40am
Wed Sep 17th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Mon Sep 22nd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Wed Sep 17th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 4 nights

Mon Sep 22nd 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$2002

10:20pm - 10:40am
Wed Sep 17th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Wed Sep 24th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Wed Sep 17th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 6 nights

Wed Sep 24th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$2002

10:20pm - 10:40am
Mon Sep 15th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Mon Sep 22nd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 6 nights

Mon Sep 22nd 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$2005

10:20pm - 10:40am
Wed Sep 17th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Tue Sep 23rd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Wed Sep 17th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 5 nights

Tue Sep 23rd 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$2022

10:20pm - 10:40am
Mon Sep 15th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Mon Sep 22nd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 6 nights

Mon Sep 22nd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$2022

5:45pm - 6:05am
Mon Sep 15th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Mon Sep 22nd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 TAP Portugal · TP 232 Depart at 5:45pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 6:05am in Lisbon (LIS)

Stay in Lisbon for 6 nights

Mon Sep 22nd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$2044

5:50pm - 6:10am
Thu Sep 18th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Wed Sep 24th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Thu Sep 18th 2025 TAP Portugal · TP 232 Depart at 5:50pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 6:10am in Lisbon (LIS)

Stay in Lisbon for 5 nights

Wed Sep 24th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$2045

5:50pm - 6:10am
Thu Sep 18th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Fri Sep 26th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Thu Sep 18th 2025 TAP Portugal · TP 232 Depart at 5:50pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 6:10am in Lisbon (LIS)

Stay in Lisbon for 7 nights

Fri Sep 26th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$2045

5:50pm - 6:10am
Thu Sep 18th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Mon Sep 22nd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Thu Sep 18th 2025 TAP Portugal · TP 232 Depart at 5:50pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 6:10am in Lisbon (LIS)

Stay in Lisbon for 3 nights

Mon Sep 22nd 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$2045

5:50pm - 6:10am
Thu Sep 18th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Thu Sep 25th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Thu Sep 18th 2025 TAP Portugal · TP 232 Depart at 5:50pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 6:10am in Lisbon (LIS)

Stay in Lisbon for 6 nights

Thu Sep 25th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$2045

5:50pm - 6:10am
Thu Sep 18th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Thu Sep 25th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Thu Sep 18th 2025 TAP Portugal · TP 232 Depart at 5:50pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 6:10am in Lisbon (LIS)

Stay in Lisbon for 6 nights

Thu Sep 25th 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$2053

5:00pm - 5:20am
Tue Sep 16th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Fri Sep 26th 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Tue Sep 16th 2025 TAP Portugal · TP 232 Depart at 5:00pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 5:20am in Lisbon (LIS)

Stay in Lisbon for 9 nights

Fri Sep 26th 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$2053

10:20pm - 10:40am
Tue Sep 16th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Mon Sep 22nd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Tue Sep 16th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 5 nights

Mon Sep 22nd 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$2055

5:50pm - 6:10am
Wed Sep 17th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Tue Sep 23rd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Wed Sep 17th 2025 TAP Portugal · TP 232 Depart at 5:50pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 6:10am in Lisbon (LIS)

Stay in Lisbon for 5 nights

Tue Sep 23rd 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$2065

10:20pm - 10:40am
Thu Sep 18th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

12:00pm - 3:20pm
Mon Sep 22nd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Thu Sep 18th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 3 nights

Mon Sep 22nd 2025 TAP Portugal · TP 231 Depart at 12:00pm from Lisbon (LIS) Fly for 8h 20m Arrive at 3:20pm in Washington, D.C. (IAD)
US$2076

10:20pm - 10:40am
Mon Sep 15th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Tue Sep 23rd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 TAP Portugal · TP 234 Depart at 10:20pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 10:40am in Lisbon (LIS)

Stay in Lisbon for 7 nights

Tue Sep 23rd 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)
US$2076

5:45pm - 6:05am
Mon Sep 15th 2025

7h 20m
Washington, D.C. (IAD) → Lisbon (LIS)

Direct

5:30pm - 8:50pm
Tue Sep 23rd 2025

8h 20m
Lisbon (LIS) → Washington, D.C. (IAD)

Direct

Mon Sep 15th 2025 TAP Portugal · TP 232 Depart at 5:45pm from Washington, D.C. (IAD) Fly for 7h 20m Arrive at 6:05am in Lisbon (LIS)

Stay in Lisbon for 7 nights

Tue Sep 23rd 2025 TAP Portugal · TP 233 Depart at 5:30pm from Lisbon (LIS) Fly for 8h 20m Arrive at 8:50pm in Washington, D.C. (IAD)

Sarah Belizaire

@sarahbb1

Have flexible travel plans or looking for alternative routes given the chaos? Check out all the connection possibilities via a super helpful site created by @ismaelyws flightlist.io thanks to @andy_travels for the recommendation #travel #flights

John Ford

@eyupitsjohn

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Roaming Sonaa

@roamingsonaa

For people wanting to maximize their trips, Flightlist is my newest travel hack for uncovering the coolest routes at irresistible prices. No stress, no annoying ads — just seamless flight booking with amazing functionality.

Andy Travels

@andy_travels

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Travel With Bender

@travelwitbender

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Wesley Mergard

@travel.with.wes

One useful tool I've found for evaluating different departure and return dates is called FlightList.io. You can quickly scan different travel date ranges, carriers and one way flight options to easily determine the cheapest flight combinations for your trip.

Flights from Washington to Portugal (IAD to PT)

Sarah Belizaire

John Ford

Roaming Sonaa

Andy Travels

Travel With Bender

Wesley Mergard

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