Cheap Flights from Austin to Portugal (AUS to PT)

Discover more affordable routes and cheaper dates from Austin to Portugal (AUS to PT) within a date range.

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US$499

3:31pm - 9:45am
Thu Aug 21st 2025

12h 14m
Austin (AUS) → Porto (OPO)

1 Stop

Thu Aug 21st 2025 United Airlines · UA 2293 Depart at 3:31pm from Austin (AUS) Fly for 3h 36m Arrive at 8:07pm in New York (EWR)

Layover in New York for 1h 33m

Thu Aug 21st 2025 United Airlines · UA 144 Depart at 9:40pm from New York (EWR) Fly for 7h 5m Arrive at 9:45am in Porto (OPO)
US$568

3:50pm - 9:45am
Mon Aug 18th 2025

11h 55m
Austin (AUS) → Porto (OPO)

1 Stop

Mon Aug 18th 2025 United Airlines · UA 2293 Depart at 3:50pm from Austin (AUS) Fly for 3h 53m Arrive at 8:43pm in New York (EWR)

Layover in New York for 0h 57m

Mon Aug 18th 2025 United Airlines · UA 144 Depart at 9:40pm from New York (EWR) Fly for 7h 5m Arrive at 9:45am in Porto (OPO)
US$568

3:31pm - 9:45am
Wed Aug 20th 2025

12h 14m
Austin (AUS) → Porto (OPO)

1 Stop

Wed Aug 20th 2025 United Airlines · UA 2293 Depart at 3:31pm from Austin (AUS) Fly for 3h 36m Arrive at 8:07pm in New York (EWR)

Layover in New York for 1h 33m

Wed Aug 20th 2025 United Airlines · UA 144 Depart at 9:40pm from New York (EWR) Fly for 7h 5m Arrive at 9:45am in Porto (OPO)
US$568

11:40am - 6:05am
Wed Aug 20th 2025

12h 25m
Austin (AUS) → Porto (OPO)

1 Stop

Wed Aug 20th 2025 United Airlines · UA 783 Depart at 11:40am from Austin (AUS) Fly for 3h 59m Arrive at 4:39pm in New York (EWR)

Layover in New York for 1h 21m

Wed Aug 20th 2025 United Airlines · UA 238 Depart at 6:00pm from New York (EWR) Fly for 7h 5m Arrive at 6:05am in Porto (OPO)
US$647

4:54pm - 10:30am
Sun Aug 17th 2025

11h 36m
Austin (AUS) → Lisbon (LIS)

1 Stop

Sun Aug 17th 2025 United Airlines · UA 6056 Depart at 4:54pm from Austin (AUS) Fly for 3h 26m Arrive at 9:20pm in Washington, D.C. (IAD)

Layover in Washington, D.C. for 0h 55m

Sun Aug 17th 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)
US$993

5:16pm - 10:30am
Thu Aug 21st 2025

11h 14m
Austin (AUS) → Lisbon (LIS)

1 Stop

Thu Aug 21st 2025 United Airlines · UA 376 Depart at 5:16pm from Austin (AUS) Fly for 2h 57m Arrive at 9:13pm in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 2m

Thu Aug 21st 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)
US$1076

5:16pm - 10:30am
Wed Aug 27th 2025

11h 14m
Austin (AUS) → Lisbon (LIS)

1 Stop

Wed Aug 27th 2025 United Airlines · UA 376 Depart at 5:16pm from Austin (AUS) Fly for 2h 57m Arrive at 9:13pm in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 2m

Wed Aug 27th 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)
US$1124

5:16pm - 10:30am
Sun Aug 24th 2025

11h 14m
Austin (AUS) → Lisbon (LIS)

1 Stop

Sun Aug 24th 2025 United Airlines · UA 376 Depart at 5:16pm from Austin (AUS) Fly for 2h 57m Arrive at 9:13pm in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 2m

Sun Aug 24th 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)
US$1125

5:16pm - 10:30am
Tue Aug 26th 2025

11h 14m
Austin (AUS) → Lisbon (LIS)

1 Stop

Tue Aug 26th 2025 United Airlines · UA 376 Depart at 5:16pm from Austin (AUS) Fly for 2h 57m Arrive at 9:13pm in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 2m

Tue Aug 26th 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)
US$1195

5:16pm - 10:30am
Mon Aug 25th 2025

11h 14m
Austin (AUS) → Lisbon (LIS)

1 Stop

Mon Aug 25th 2025 United Airlines · UA 376 Depart at 5:16pm from Austin (AUS) Fly for 2h 57m Arrive at 9:13pm in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 2m

Mon Aug 25th 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)
US$1236

5:16pm - 10:30am
Wed Aug 20th 2025

11h 14m
Austin (AUS) → Lisbon (LIS)

1 Stop

Wed Aug 20th 2025 United Airlines · UA 376 Depart at 5:16pm from Austin (AUS) Fly for 2h 57m Arrive at 9:13pm in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 2m

Wed Aug 20th 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)
US$1288

5:16pm - 10:30am
Tue Aug 19th 2025

11h 14m
Austin (AUS) → Lisbon (LIS)

1 Stop

Tue Aug 19th 2025 United Airlines · UA 376 Depart at 5:16pm from Austin (AUS) Fly for 2h 57m Arrive at 9:13pm in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 2m

Tue Aug 19th 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)
US$1477

5:16pm - 10:30am
Fri Aug 22nd 2025

11h 14m
Austin (AUS) → Lisbon (LIS)

1 Stop

Fri Aug 22nd 2025 United Airlines · UA 376 Depart at 5:16pm from Austin (AUS) Fly for 2h 57m Arrive at 9:13pm in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 2m

Fri Aug 22nd 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)
US$1880

5:16pm - 10:30am
Thu Aug 28th 2025

11h 14m
Austin (AUS) → Lisbon (LIS)

1 Stop

Thu Aug 28th 2025 United Airlines · UA 376 Depart at 5:16pm from Austin (AUS) Fly for 2h 57m Arrive at 9:13pm in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 2m

Thu Aug 28th 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)
US$2341

5:16pm - 10:30am
Fri Aug 29th 2025

11h 14m
Austin (AUS) → Lisbon (LIS)

1 Stop

Fri Aug 29th 2025 United Airlines · UA 376 Depart at 5:16pm from Austin (AUS) Fly for 2h 57m Arrive at 9:13pm in Washington, D.C. (IAD)

Layover in Washington, D.C. for 1h 2m

Fri Aug 29th 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)

Sarah Belizaire

@sarahbb1

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John Ford

@eyupitsjohn

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Roaming Sonaa

@roamingsonaa

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Read Sonaa's 7 Amazing Skyscanner Alternatives for Booking Travel

ANDY TRAVELS

@andy_travels

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Travel With Bender

@travelwitbender

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Wesley Mergard

@travel.with.wes

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Read Wesley's My Best Cheap Flight Hacks (Why Pay More?)

Cheap Flights from Austin to Portugal (AUS to PT)

Sarah Belizaire

John Ford

Roaming Sonaa

ANDY TRAVELS

Travel With Bender

Wesley Mergard

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