Flights from Washington to United Kingdom (DCA to GB)

Discover more affordable routes and cheaper dates from Washington to United Kingdom (DCA to GB) within a date range.

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US$392

12:55pm - 12:50pm
Mon Nov 3rd 2025

42h 55m
Washington, D.C. (DCA) → London (LHR)

3 Stops

Mon Nov 3rd 2025 Air Canada · AC 8870 Depart at 12:55pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 2:35pm in Ottawa (YOW)

Layover in Ottawa for 3h 25m

Mon Nov 3rd 2025 Air Canada · AC 345 Depart at 6:00pm from Ottawa (YOW) Fly for 5h 13m Arrive at 8:13pm in Vancouver (YVR)

Layover in Vancouver for 21h 32m

Tue Nov 4th 2025 WestJet · WS 124 Depart at 5:45pm from Vancouver (YVR) Fly for 1h 34m Arrive at 8:19pm in Calgary (YYC)

Layover in Calgary for 0h 51m

Tue Nov 4th 2025 WestJet · WS 2 Depart at 9:10pm from Calgary (YYC) Fly for 8h 40m Arrive at 12:50pm in London (LHR)
US$404

4:00pm - 7:10am
Sun Nov 23rd 2025

10h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sun Nov 23rd 2025 Air Canada · AC 8824 Depart at 4:00pm from Washington, D.C. (DCA) Fly for 1h 45m Arrive at 5:45pm in Montreal (YUL)

Layover in Montreal for 1h 25m

Sun Nov 23rd 2025 Air Canada · AC 864 Depart at 7:10pm from Montreal (YUL) Fly for 7h 0m Arrive at 7:10am in London (LHR)
US$409

6:00am - 8:35pm
Tue Nov 4th 2025

9h 35m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Tue Nov 4th 2025 United Airlines · UA 4167 Depart at 6:00am from Washington, D.C. (DCA) Fly for 1h 20m Arrive at 7:20am in New York (EWR)

Layover in New York for 1h 5m

Tue Nov 4th 2025 United Airlines · UA 934 Depart at 8:25am from New York (EWR) Fly for 7h 10m Arrive at 8:35pm in London (LHR)
US$409

6:00am - 8:35pm
Tue Nov 25th 2025

9h 35m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Tue Nov 25th 2025 United Airlines · UA 4167 Depart at 6:00am from Washington, D.C. (DCA) Fly for 1h 20m Arrive at 7:20am in New York (EWR)

Layover in New York for 1h 5m

Tue Nov 25th 2025 United Airlines · UA 934 Depart at 8:25am from New York (EWR) Fly for 7h 10m Arrive at 8:35pm in London (LHR)
US$409

6:00am - 8:35pm
Wed Nov 5th 2025

9h 35m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Wed Nov 5th 2025 United Airlines · UA 4167 Depart at 6:00am from Washington, D.C. (DCA) Fly for 1h 20m Arrive at 7:20am in New York (EWR)

Layover in New York for 1h 5m

Wed Nov 5th 2025 United Airlines · UA 934 Depart at 8:25am from New York (EWR) Fly for 7h 10m Arrive at 8:35pm in London (LHR)
US$409

6:00am - 8:35pm
Tue Nov 11th 2025

9h 35m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Tue Nov 11th 2025 United Airlines · UA 4167 Depart at 6:00am from Washington, D.C. (DCA) Fly for 1h 20m Arrive at 7:20am in New York (EWR)

Layover in New York for 1h 5m

Tue Nov 11th 2025 United Airlines · UA 934 Depart at 8:25am from New York (EWR) Fly for 7h 10m Arrive at 8:35pm in London (LHR)
US$409

6:00am - 8:35pm
Wed Nov 12th 2025

9h 35m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Wed Nov 12th 2025 United Airlines · UA 4167 Depart at 6:00am from Washington, D.C. (DCA) Fly for 1h 20m Arrive at 7:20am in New York (EWR)

Layover in New York for 1h 5m

Wed Nov 12th 2025 United Airlines · UA 934 Depart at 8:25am from New York (EWR) Fly for 7h 10m Arrive at 8:35pm in London (LHR)
US$409

6:00am - 8:35pm
Mon Nov 17th 2025

9h 35m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Mon Nov 17th 2025 United Airlines · UA 4167 Depart at 6:00am from Washington, D.C. (DCA) Fly for 1h 20m Arrive at 7:20am in New York (EWR)

Layover in New York for 1h 5m

Mon Nov 17th 2025 United Airlines · UA 934 Depart at 8:25am from New York (EWR) Fly for 7h 10m Arrive at 8:35pm in London (LHR)
US$409

6:00am - 8:35pm
Sun Nov 9th 2025

9h 35m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sun Nov 9th 2025 United Airlines · UA 4167 Depart at 6:00am from Washington, D.C. (DCA) Fly for 1h 20m Arrive at 7:20am in New York (EWR)

Layover in New York for 1h 5m

Sun Nov 9th 2025 United Airlines · UA 934 Depart at 8:25am from New York (EWR) Fly for 7h 10m Arrive at 8:35pm in London (LHR)
US$409

6:00am - 8:35pm
Mon Nov 3rd 2025

9h 35m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Mon Nov 3rd 2025 United Airlines · UA 4167 Depart at 6:00am from Washington, D.C. (DCA) Fly for 1h 20m Arrive at 7:20am in New York (EWR)

Layover in New York for 1h 5m

Mon Nov 3rd 2025 United Airlines · UA 934 Depart at 8:25am from New York (EWR) Fly for 7h 10m Arrive at 8:35pm in London (LHR)
US$409

8:00pm - 11:05am
Sun Nov 16th 2025

10h 5m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sun Nov 16th 2025 United Airlines · UA 4174 Depart at 8:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 9:40pm in New York (EWR)

Layover in New York for 1h 0m

Sun Nov 16th 2025 United Airlines · UA 146 Depart at 10:40pm from New York (EWR) Fly for 7h 25m Arrive at 11:05am in London (LHR)
US$409

8:00pm - 11:05am
Mon Nov 10th 2025

10h 5m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Mon Nov 10th 2025 United Airlines · UA 4174 Depart at 8:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 9:40pm in New York (EWR)

Layover in New York for 1h 0m

Mon Nov 10th 2025 United Airlines · UA 146 Depart at 10:40pm from New York (EWR) Fly for 7h 25m Arrive at 11:05am in London (LHR)
US$409

8:00pm - 11:05am
Sun Nov 2nd 2025

10h 5m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sun Nov 2nd 2025 United Airlines · UA 4174 Depart at 8:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 9:40pm in New York (EWR)

Layover in New York for 1h 0m

Sun Nov 2nd 2025 United Airlines · UA 146 Depart at 10:40pm from New York (EWR) Fly for 7h 25m Arrive at 11:05am in London (LHR)
US$409

4:00pm - 7:10am
Sun Nov 30th 2025

10h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sun Nov 30th 2025 United Airlines · UA 8351 Depart at 4:00pm from Washington, D.C. (DCA) Fly for 1h 45m Arrive at 5:45pm in Montreal (YUL)

Layover in Montreal for 1h 25m

Sun Nov 30th 2025 United Airlines · UA 8296 Depart at 7:10pm from Montreal (YUL) Fly for 7h 0m Arrive at 7:10am in London (LHR)
US$409

4:00pm - 7:10am
Wed Nov 12th 2025

10h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Wed Nov 12th 2025 United Airlines · UA 8351 Depart at 4:00pm from Washington, D.C. (DCA) Fly for 1h 45m Arrive at 5:45pm in Montreal (YUL)

Layover in Montreal for 1h 25m

Wed Nov 12th 2025 United Airlines · UA 8296 Depart at 7:10pm from Montreal (YUL) Fly for 7h 0m Arrive at 7:10am in London (LHR)
US$409

4:00pm - 7:10am
Tue Nov 18th 2025

10h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Tue Nov 18th 2025 United Airlines · UA 8351 Depart at 4:00pm from Washington, D.C. (DCA) Fly for 1h 45m Arrive at 5:45pm in Montreal (YUL)

Layover in Montreal for 1h 25m

Tue Nov 18th 2025 United Airlines · UA 8296 Depart at 7:10pm from Montreal (YUL) Fly for 7h 0m Arrive at 7:10am in London (LHR)
US$409

4:00pm - 7:10am
Wed Nov 5th 2025

10h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Wed Nov 5th 2025 United Airlines · UA 8351 Depart at 4:00pm from Washington, D.C. (DCA) Fly for 1h 45m Arrive at 5:45pm in Montreal (YUL)

Layover in Montreal for 1h 25m

Wed Nov 5th 2025 United Airlines · UA 8296 Depart at 7:10pm from Montreal (YUL) Fly for 7h 0m Arrive at 7:10am in London (LHR)
US$409

4:00pm - 7:10am
Sun Nov 9th 2025

10h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sun Nov 9th 2025 United Airlines · UA 8351 Depart at 4:00pm from Washington, D.C. (DCA) Fly for 1h 45m Arrive at 5:45pm in Montreal (YUL)

Layover in Montreal for 1h 25m

Sun Nov 9th 2025 United Airlines · UA 8296 Depart at 7:10pm from Montreal (YUL) Fly for 7h 0m Arrive at 7:10am in London (LHR)
US$409

4:00pm - 7:10am
Mon Nov 3rd 2025

10h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Mon Nov 3rd 2025 United Airlines · UA 8351 Depart at 4:00pm from Washington, D.C. (DCA) Fly for 1h 45m Arrive at 5:45pm in Montreal (YUL)

Layover in Montreal for 1h 25m

Mon Nov 3rd 2025 United Airlines · UA 8296 Depart at 7:10pm from Montreal (YUL) Fly for 7h 0m Arrive at 7:10am in London (LHR)
US$409

6:00pm - 9:10am
Mon Nov 10th 2025

10h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Mon Nov 10th 2025 United Airlines · UA 4180 Depart at 6:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 7:40pm in New York (EWR)

Layover in New York for 1h 10m

Mon Nov 10th 2025 United Airlines · UA 904 Depart at 8:50pm from New York (EWR) Fly for 7h 20m Arrive at 9:10am in London (LHR)
US$409

4:00pm - 7:10am
Tue Nov 25th 2025

10h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Tue Nov 25th 2025 United Airlines · UA 8351 Depart at 4:00pm from Washington, D.C. (DCA) Fly for 1h 45m Arrive at 5:45pm in Montreal (YUL)

Layover in Montreal for 1h 25m

Tue Nov 25th 2025 United Airlines · UA 8296 Depart at 7:10pm from Montreal (YUL) Fly for 7h 0m Arrive at 7:10am in London (LHR)
US$409

4:00pm - 7:10am
Mon Nov 10th 2025

10h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Mon Nov 10th 2025 United Airlines · UA 8351 Depart at 4:00pm from Washington, D.C. (DCA) Fly for 1h 45m Arrive at 5:45pm in Montreal (YUL)

Layover in Montreal for 1h 25m

Mon Nov 10th 2025 United Airlines · UA 8296 Depart at 7:10pm from Montreal (YUL) Fly for 7h 0m Arrive at 7:10am in London (LHR)
US$409

4:00pm - 7:10am
Sun Nov 2nd 2025

10h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sun Nov 2nd 2025 United Airlines · UA 8351 Depart at 4:00pm from Washington, D.C. (DCA) Fly for 1h 45m Arrive at 5:45pm in Montreal (YUL)

Layover in Montreal for 1h 25m

Sun Nov 2nd 2025 United Airlines · UA 8296 Depart at 7:10pm from Montreal (YUL) Fly for 7h 0m Arrive at 7:10am in London (LHR)
US$409

4:00pm - 7:10am
Mon Nov 17th 2025

10h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Mon Nov 17th 2025 United Airlines · UA 8351 Depart at 4:00pm from Washington, D.C. (DCA) Fly for 1h 45m Arrive at 5:45pm in Montreal (YUL)

Layover in Montreal for 1h 25m

Mon Nov 17th 2025 United Airlines · UA 8296 Depart at 7:10pm from Montreal (YUL) Fly for 7h 0m Arrive at 7:10am in London (LHR)
US$409

4:00pm - 7:10am
Tue Nov 11th 2025

10h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Tue Nov 11th 2025 United Airlines · UA 8351 Depart at 4:00pm from Washington, D.C. (DCA) Fly for 1h 45m Arrive at 5:45pm in Montreal (YUL)

Layover in Montreal for 1h 25m

Tue Nov 11th 2025 United Airlines · UA 8296 Depart at 7:10pm from Montreal (YUL) Fly for 7h 0m Arrive at 7:10am in London (LHR)
US$409

3:00pm - 6:20am
Wed Nov 12th 2025

10h 20m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Wed Nov 12th 2025 United Airlines · UA 4560 Depart at 3:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 4:40pm in New York (EWR)

Layover in New York for 1h 20m

Wed Nov 12th 2025 United Airlines · UA 16 Depart at 6:00pm from New York (EWR) Fly for 7h 20m Arrive at 6:20am in London (LHR)
US$409

3:00pm - 6:20am
Sun Nov 30th 2025

10h 20m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sun Nov 30th 2025 United Airlines · UA 4560 Depart at 3:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 4:40pm in New York (EWR)

Layover in New York for 1h 20m

Sun Nov 30th 2025 United Airlines · UA 16 Depart at 6:00pm from New York (EWR) Fly for 7h 20m Arrive at 6:20am in London (LHR)
US$409

3:00pm - 6:20am
Tue Nov 11th 2025

10h 20m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Tue Nov 11th 2025 United Airlines · UA 4560 Depart at 3:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 4:40pm in New York (EWR)

Layover in New York for 1h 20m

Tue Nov 11th 2025 United Airlines · UA 16 Depart at 6:00pm from New York (EWR) Fly for 7h 20m Arrive at 6:20am in London (LHR)
US$409

3:00pm - 6:20am
Tue Nov 4th 2025

10h 20m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Tue Nov 4th 2025 United Airlines · UA 4560 Depart at 3:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 4:40pm in New York (EWR)

Layover in New York for 1h 20m

Tue Nov 4th 2025 United Airlines · UA 16 Depart at 6:00pm from New York (EWR) Fly for 7h 20m Arrive at 6:20am in London (LHR)
US$409

3:00pm - 6:20am
Mon Nov 10th 2025

10h 20m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Mon Nov 10th 2025 United Airlines · UA 4560 Depart at 3:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 4:40pm in New York (EWR)

Layover in New York for 1h 20m

Mon Nov 10th 2025 United Airlines · UA 16 Depart at 6:00pm from New York (EWR) Fly for 7h 20m Arrive at 6:20am in London (LHR)
US$409

3:00pm - 6:20am
Sun Nov 16th 2025

10h 20m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sun Nov 16th 2025 United Airlines · UA 4560 Depart at 3:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 4:40pm in New York (EWR)

Layover in New York for 1h 20m

Sun Nov 16th 2025 United Airlines · UA 16 Depart at 6:00pm from New York (EWR) Fly for 7h 20m Arrive at 6:20am in London (LHR)
US$409

3:00pm - 6:20am
Tue Nov 25th 2025

10h 20m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Tue Nov 25th 2025 United Airlines · UA 4560 Depart at 3:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 4:40pm in New York (EWR)

Layover in New York for 1h 20m

Tue Nov 25th 2025 United Airlines · UA 16 Depart at 6:00pm from New York (EWR) Fly for 7h 20m Arrive at 6:20am in London (LHR)
US$409

3:00pm - 6:20am
Sun Nov 2nd 2025

10h 20m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sun Nov 2nd 2025 United Airlines · UA 4560 Depart at 3:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 4:40pm in New York (EWR)

Layover in New York for 1h 20m

Sun Nov 2nd 2025 United Airlines · UA 16 Depart at 6:00pm from New York (EWR) Fly for 7h 20m Arrive at 6:20am in London (LHR)
US$409

3:00pm - 6:20am
Mon Nov 17th 2025

10h 20m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Mon Nov 17th 2025 United Airlines · UA 4560 Depart at 3:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 4:40pm in New York (EWR)

Layover in New York for 1h 20m

Mon Nov 17th 2025 United Airlines · UA 16 Depart at 6:00pm from New York (EWR) Fly for 7h 20m Arrive at 6:20am in London (LHR)
US$409

7:00pm - 10:25am
Mon Nov 10th 2025

10h 25m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Mon Nov 10th 2025 United Airlines · UA 4602 Depart at 7:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 8:40pm in New York (EWR)

Layover in New York for 1h 20m

Mon Nov 10th 2025 United Airlines · UA 940 Depart at 10:00pm from New York (EWR) Fly for 7h 25m Arrive at 10:25am in London (LHR)
US$409

7:00pm - 10:25am
Mon Nov 3rd 2025

10h 25m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Mon Nov 3rd 2025 United Airlines · UA 4602 Depart at 7:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 8:40pm in New York (EWR)

Layover in New York for 1h 20m

Mon Nov 3rd 2025 United Airlines · UA 940 Depart at 10:00pm from New York (EWR) Fly for 7h 25m Arrive at 10:25am in London (LHR)
US$409

1:00pm - 5:55am
Sun Nov 23rd 2025

11h 55m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sun Nov 23rd 2025 United Airlines · UA 2850 Depart at 1:00pm from Washington, D.C. (DCA) Fly for 2h 11m Arrive at 2:11pm in Chicago (ORD)

Layover in Chicago for 1h 34m

Sun Nov 23rd 2025 United Airlines · UA 929 Depart at 3:45pm from Chicago (ORD) Fly for 8h 10m Arrive at 5:55am in London (LHR)
US$409

1:00pm - 5:55am
Sun Nov 30th 2025

11h 55m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sun Nov 30th 2025 United Airlines · UA 2850 Depart at 1:00pm from Washington, D.C. (DCA) Fly for 2h 11m Arrive at 2:11pm in Chicago (ORD)

Layover in Chicago for 1h 34m

Sun Nov 30th 2025 United Airlines · UA 929 Depart at 3:45pm from Chicago (ORD) Fly for 8h 10m Arrive at 5:55am in London (LHR)
US$409

1:00pm - 5:55am
Sun Nov 9th 2025

11h 55m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sun Nov 9th 2025 United Airlines · UA 2850 Depart at 1:00pm from Washington, D.C. (DCA) Fly for 2h 11m Arrive at 2:11pm in Chicago (ORD)

Layover in Chicago for 1h 34m

Sun Nov 9th 2025 United Airlines · UA 929 Depart at 3:45pm from Chicago (ORD) Fly for 8h 10m Arrive at 5:55am in London (LHR)
US$409

1:00pm - 5:55am
Mon Nov 17th 2025

11h 55m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Mon Nov 17th 2025 United Airlines · UA 2850 Depart at 1:00pm from Washington, D.C. (DCA) Fly for 2h 11m Arrive at 2:11pm in Chicago (ORD)

Layover in Chicago for 1h 34m

Mon Nov 17th 2025 United Airlines · UA 929 Depart at 3:45pm from Chicago (ORD) Fly for 8h 10m Arrive at 5:55am in London (LHR)
US$409

1:00pm - 5:55am
Tue Nov 25th 2025

11h 55m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Tue Nov 25th 2025 United Airlines · UA 2850 Depart at 1:00pm from Washington, D.C. (DCA) Fly for 2h 11m Arrive at 2:11pm in Chicago (ORD)

Layover in Chicago for 1h 34m

Tue Nov 25th 2025 United Airlines · UA 929 Depart at 3:45pm from Chicago (ORD) Fly for 8h 10m Arrive at 5:55am in London (LHR)
US$410

8:00pm - 11:05am
Tue Nov 11th 2025

10h 5m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Tue Nov 11th 2025 United Airlines · UA 4174 Depart at 8:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 9:40pm in New York (EWR)

Layover in New York for 1h 0m

Tue Nov 11th 2025 United Airlines · UA 146 Depart at 10:40pm from New York (EWR) Fly for 7h 25m Arrive at 11:05am in London (LHR)
US$410

6:00pm - 9:10am
Tue Nov 11th 2025

10h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Tue Nov 11th 2025 United Airlines · UA 4180 Depart at 6:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 7:40pm in New York (EWR)

Layover in New York for 1h 10m

Tue Nov 11th 2025 United Airlines · UA 904 Depart at 8:50pm from New York (EWR) Fly for 7h 20m Arrive at 9:10am in London (LHR)
US$410

7:00pm - 10:25am
Tue Nov 11th 2025

10h 25m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Tue Nov 11th 2025 United Airlines · UA 4602 Depart at 7:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 8:40pm in New York (EWR)

Layover in New York for 1h 20m

Tue Nov 11th 2025 United Airlines · UA 940 Depart at 10:00pm from New York (EWR) Fly for 7h 25m Arrive at 10:25am in London (LHR)
US$410

4:30pm - 8:25am
Tue Nov 11th 2025

10h 55m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Tue Nov 11th 2025 United Airlines · UA 4401 Depart at 4:30pm from Washington, D.C. (DCA) Fly for 1h 35m Arrive at 6:05pm in New York (EWR)

Layover in New York for 1h 55m

Tue Nov 11th 2025 United Airlines · UA 14 Depart at 8:00pm from New York (EWR) Fly for 7h 25m Arrive at 8:25am in London (LHR)
US$411

8:00pm - 11:05am
Wed Nov 5th 2025

10h 5m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Wed Nov 5th 2025 United Airlines · UA 4174 Depart at 8:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 9:40pm in New York (EWR)

Layover in New York for 1h 0m

Wed Nov 5th 2025 United Airlines · UA 146 Depart at 10:40pm from New York (EWR) Fly for 7h 25m Arrive at 11:05am in London (LHR)
US$411

3:00pm - 6:20am
Wed Nov 5th 2025

10h 20m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Wed Nov 5th 2025 United Airlines · UA 4560 Depart at 3:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 4:40pm in New York (EWR)

Layover in New York for 1h 20m

Wed Nov 5th 2025 United Airlines · UA 16 Depart at 6:00pm from New York (EWR) Fly for 7h 20m Arrive at 6:20am in London (LHR)
US$411

6:00am - 8:35pm
Wed Nov 26th 2025

9h 35m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Wed Nov 26th 2025 United Airlines · UA 4167 Depart at 6:00am from Washington, D.C. (DCA) Fly for 1h 20m Arrive at 7:20am in New York (EWR)

Layover in New York for 1h 5m

Wed Nov 26th 2025 United Airlines · UA 934 Depart at 8:25am from New York (EWR) Fly for 7h 10m Arrive at 8:35pm in London (LHR)
US$411

8:00pm - 11:05am
Wed Nov 26th 2025

10h 5m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Wed Nov 26th 2025 United Airlines · UA 4174 Depart at 8:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 9:40pm in New York (EWR)

Layover in New York for 1h 0m

Wed Nov 26th 2025 United Airlines · UA 146 Depart at 10:40pm from New York (EWR) Fly for 7h 25m Arrive at 11:05am in London (LHR)
US$411

6:00pm - 9:10am
Wed Nov 26th 2025

10h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Wed Nov 26th 2025 United Airlines · UA 4180 Depart at 6:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 7:40pm in New York (EWR)

Layover in New York for 1h 10m

Wed Nov 26th 2025 United Airlines · UA 904 Depart at 8:50pm from New York (EWR) Fly for 7h 20m Arrive at 9:10am in London (LHR)
US$411

4:00pm - 7:10am
Wed Nov 26th 2025

10h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Wed Nov 26th 2025 United Airlines · UA 8351 Depart at 4:00pm from Washington, D.C. (DCA) Fly for 1h 45m Arrive at 5:45pm in Montreal (YUL)

Layover in Montreal for 1h 25m

Wed Nov 26th 2025 United Airlines · UA 8296 Depart at 7:10pm from Montreal (YUL) Fly for 7h 0m Arrive at 7:10am in London (LHR)
US$411

3:00pm - 6:20am
Wed Nov 26th 2025

10h 20m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Wed Nov 26th 2025 United Airlines · UA 4560 Depart at 3:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 4:40pm in New York (EWR)

Layover in New York for 1h 20m

Wed Nov 26th 2025 United Airlines · UA 16 Depart at 6:00pm from New York (EWR) Fly for 7h 20m Arrive at 6:20am in London (LHR)
US$411

7:00pm - 10:25am
Wed Nov 26th 2025

10h 25m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Wed Nov 26th 2025 United Airlines · UA 4602 Depart at 7:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 8:40pm in New York (EWR)

Layover in New York for 1h 20m

Wed Nov 26th 2025 United Airlines · UA 940 Depart at 10:00pm from New York (EWR) Fly for 7h 25m Arrive at 10:25am in London (LHR)
US$411

5:00pm - 8:25am
Wed Nov 26th 2025

10h 25m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Wed Nov 26th 2025 United Airlines · UA 4414 Depart at 5:00pm from Washington, D.C. (DCA) Fly for 1h 29m Arrive at 6:29pm in New York (EWR)

Layover in New York for 1h 31m

Wed Nov 26th 2025 United Airlines · UA 14 Depart at 8:00pm from New York (EWR) Fly for 7h 25m Arrive at 8:25am in London (LHR)
US$411

6:50pm - 11:20am
Mon Nov 17th 2025

11h 30m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Mon Nov 17th 2025 Air Canada · AC 8787 Depart at 6:50pm from Washington, D.C. (DCA) Fly for 1h 35m Arrive at 8:25pm in Toronto (YYZ)

Layover in Toronto for 2h 35m

Mon Nov 17th 2025 Air Canada · AC 858 Depart at 11:00pm from Toronto (YYZ) Fly for 7h 20m Arrive at 11:20am in London (LHR)
US$411

1:00pm - 5:55am
Wed Nov 26th 2025

11h 55m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Wed Nov 26th 2025 United Airlines · UA 2850 Depart at 1:00pm from Washington, D.C. (DCA) Fly for 2h 11m Arrive at 2:11pm in Chicago (ORD)

Layover in Chicago for 1h 34m

Wed Nov 26th 2025 United Airlines · UA 929 Depart at 3:45pm from Chicago (ORD) Fly for 8h 10m Arrive at 5:55am in London (LHR)
US$414

6:00am - 8:35pm
Wed Nov 19th 2025

9h 35m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Wed Nov 19th 2025 United Airlines · UA 4167 Depart at 6:00am from Washington, D.C. (DCA) Fly for 1h 20m Arrive at 7:20am in New York (EWR)

Layover in New York for 1h 5m

Wed Nov 19th 2025 United Airlines · UA 934 Depart at 8:25am from New York (EWR) Fly for 7h 10m Arrive at 8:35pm in London (LHR)
US$414

8:00pm - 11:05am
Sun Nov 30th 2025

10h 5m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sun Nov 30th 2025 United Airlines · UA 4174 Depart at 8:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 9:40pm in New York (EWR)

Layover in New York for 1h 0m

Sun Nov 30th 2025 United Airlines · UA 146 Depart at 10:40pm from New York (EWR) Fly for 7h 25m Arrive at 11:05am in London (LHR)
US$414

8:00pm - 11:05am
Sun Nov 9th 2025

10h 5m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sun Nov 9th 2025 United Airlines · UA 4174 Depart at 8:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 9:40pm in New York (EWR)

Layover in New York for 1h 0m

Sun Nov 9th 2025 United Airlines · UA 146 Depart at 10:40pm from New York (EWR) Fly for 7h 25m Arrive at 11:05am in London (LHR)
US$414

8:00pm - 11:05am
Wed Nov 12th 2025

10h 5m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Wed Nov 12th 2025 United Airlines · UA 4174 Depart at 8:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 9:40pm in New York (EWR)

Layover in New York for 1h 0m

Wed Nov 12th 2025 United Airlines · UA 146 Depart at 10:40pm from New York (EWR) Fly for 7h 25m Arrive at 11:05am in London (LHR)
US$414

8:00pm - 11:05am
Wed Nov 19th 2025

10h 5m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Wed Nov 19th 2025 United Airlines · UA 4174 Depart at 8:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 9:40pm in New York (EWR)

Layover in New York for 1h 0m

Wed Nov 19th 2025 United Airlines · UA 146 Depart at 10:40pm from New York (EWR) Fly for 7h 25m Arrive at 11:05am in London (LHR)
US$414

8:00pm - 11:05am
Mon Nov 17th 2025

10h 5m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Mon Nov 17th 2025 United Airlines · UA 4174 Depart at 8:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 9:40pm in New York (EWR)

Layover in New York for 1h 0m

Mon Nov 17th 2025 United Airlines · UA 146 Depart at 10:40pm from New York (EWR) Fly for 7h 25m Arrive at 11:05am in London (LHR)
US$414

6:00pm - 9:10am
Sun Nov 9th 2025

10h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sun Nov 9th 2025 United Airlines · UA 4180 Depart at 6:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 7:40pm in New York (EWR)

Layover in New York for 1h 10m

Sun Nov 9th 2025 United Airlines · UA 904 Depart at 8:50pm from New York (EWR) Fly for 7h 20m Arrive at 9:10am in London (LHR)
US$414

6:00pm - 9:10am
Wed Nov 12th 2025

10h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Wed Nov 12th 2025 United Airlines · UA 4180 Depart at 6:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 7:40pm in New York (EWR)

Layover in New York for 1h 10m

Wed Nov 12th 2025 United Airlines · UA 904 Depart at 8:50pm from New York (EWR) Fly for 7h 20m Arrive at 9:10am in London (LHR)
US$414

6:00pm - 9:10am
Sun Nov 30th 2025

10h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sun Nov 30th 2025 United Airlines · UA 4180 Depart at 6:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 7:40pm in New York (EWR)

Layover in New York for 1h 10m

Sun Nov 30th 2025 United Airlines · UA 904 Depart at 8:50pm from New York (EWR) Fly for 7h 20m Arrive at 9:10am in London (LHR)
US$414

6:00pm - 9:10am
Mon Nov 17th 2025

10h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Mon Nov 17th 2025 United Airlines · UA 4180 Depart at 6:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 7:40pm in New York (EWR)

Layover in New York for 1h 10m

Mon Nov 17th 2025 United Airlines · UA 904 Depart at 8:50pm from New York (EWR) Fly for 7h 20m Arrive at 9:10am in London (LHR)
US$414

6:00pm - 9:10am
Wed Nov 19th 2025

10h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Wed Nov 19th 2025 United Airlines · UA 4180 Depart at 6:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 7:40pm in New York (EWR)

Layover in New York for 1h 10m

Wed Nov 19th 2025 United Airlines · UA 904 Depart at 8:50pm from New York (EWR) Fly for 7h 20m Arrive at 9:10am in London (LHR)
US$414

3:00pm - 6:20am
Wed Nov 19th 2025

10h 20m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Wed Nov 19th 2025 United Airlines · UA 4560 Depart at 3:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 4:40pm in New York (EWR)

Layover in New York for 1h 20m

Wed Nov 19th 2025 United Airlines · UA 16 Depart at 6:00pm from New York (EWR) Fly for 7h 20m Arrive at 6:20am in London (LHR)
US$414

3:00pm - 6:20am
Sun Nov 9th 2025

10h 20m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sun Nov 9th 2025 United Airlines · UA 4560 Depart at 3:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 4:40pm in New York (EWR)

Layover in New York for 1h 20m

Sun Nov 9th 2025 United Airlines · UA 16 Depart at 6:00pm from New York (EWR) Fly for 7h 20m Arrive at 6:20am in London (LHR)
US$414

7:00pm - 10:25am
Wed Nov 12th 2025

10h 25m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Wed Nov 12th 2025 United Airlines · UA 4602 Depart at 7:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 8:40pm in New York (EWR)

Layover in New York for 1h 20m

Wed Nov 12th 2025 United Airlines · UA 940 Depart at 10:00pm from New York (EWR) Fly for 7h 25m Arrive at 10:25am in London (LHR)
US$414

5:00pm - 8:25am
Wed Nov 19th 2025

10h 25m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Wed Nov 19th 2025 United Airlines · UA 4414 Depart at 5:00pm from Washington, D.C. (DCA) Fly for 1h 29m Arrive at 6:29pm in New York (EWR)

Layover in New York for 1h 31m

Wed Nov 19th 2025 United Airlines · UA 14 Depart at 8:00pm from New York (EWR) Fly for 7h 25m Arrive at 8:25am in London (LHR)
US$414

7:00pm - 10:25am
Sun Nov 9th 2025

10h 25m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sun Nov 9th 2025 United Airlines · UA 4602 Depart at 7:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 8:40pm in New York (EWR)

Layover in New York for 1h 20m

Sun Nov 9th 2025 United Airlines · UA 940 Depart at 10:00pm from New York (EWR) Fly for 7h 25m Arrive at 10:25am in London (LHR)
US$414

7:00pm - 10:25am
Wed Nov 19th 2025

10h 25m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Wed Nov 19th 2025 United Airlines · UA 4602 Depart at 7:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 8:40pm in New York (EWR)

Layover in New York for 1h 20m

Wed Nov 19th 2025 United Airlines · UA 940 Depart at 10:00pm from New York (EWR) Fly for 7h 25m Arrive at 10:25am in London (LHR)
US$414

7:00pm - 10:25am
Sun Nov 30th 2025

10h 25m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sun Nov 30th 2025 United Airlines · UA 4602 Depart at 7:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 8:40pm in New York (EWR)

Layover in New York for 1h 20m

Sun Nov 30th 2025 United Airlines · UA 940 Depart at 10:00pm from New York (EWR) Fly for 7h 25m Arrive at 10:25am in London (LHR)
US$414

7:00pm - 10:25am
Mon Nov 17th 2025

10h 25m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Mon Nov 17th 2025 United Airlines · UA 4602 Depart at 7:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 8:40pm in New York (EWR)

Layover in New York for 1h 20m

Mon Nov 17th 2025 United Airlines · UA 940 Depart at 10:00pm from New York (EWR) Fly for 7h 25m Arrive at 10:25am in London (LHR)
US$414

7:00pm - 10:25am
Sun Nov 2nd 2025

10h 25m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sun Nov 2nd 2025 United Airlines · UA 4602 Depart at 7:00pm from Washington, D.C. (DCA) Fly for 1h 40m Arrive at 8:40pm in New York (EWR)

Layover in New York for 1h 20m

Sun Nov 2nd 2025 United Airlines · UA 940 Depart at 10:00pm from New York (EWR) Fly for 7h 25m Arrive at 10:25am in London (LHR)
US$416

8:40pm - 11:50am
Sat Nov 1st 2025

11h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sat Nov 1st 2025 United Airlines · UA 8557 Depart at 8:40pm from Washington, D.C. (DCA) Fly for 1h 35m Arrive at 10:15pm in Toronto (YYZ)

Layover in Toronto for 2h 25m

Sun Nov 2nd 2025 United Airlines · UA 8082 Depart at 12:40am from Toronto (YYZ) Fly for 7h 10m Arrive at 11:50am in London (LHR)
US$417

6:50pm - 11:50am
Sat Nov 1st 2025

13h 0m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sat Nov 1st 2025 United Airlines · UA 8551 Depart at 6:50pm from Washington, D.C. (DCA) Fly for 1h 35m Arrive at 8:25pm in Toronto (YYZ)

Layover in Toronto for 4h 15m

Sun Nov 2nd 2025 United Airlines · UA 8082 Depart at 12:40am from Toronto (YYZ) Fly for 7h 10m Arrive at 11:50am in London (LHR)
US$462

6:00am - 8:35pm
Sat Nov 8th 2025

9h 35m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sat Nov 8th 2025 United Airlines · UA 4167 Depart at 6:00am from Washington, D.C. (DCA) Fly for 1h 20m Arrive at 7:20am in New York (EWR)

Layover in New York for 1h 5m

Sat Nov 8th 2025 United Airlines · UA 934 Depart at 8:25am from New York (EWR) Fly for 7h 10m Arrive at 8:35pm in London (LHR)
US$462

6:00am - 8:35pm
Fri Nov 28th 2025

9h 35m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Fri Nov 28th 2025 United Airlines · UA 4167 Depart at 6:00am from Washington, D.C. (DCA) Fly for 1h 20m Arrive at 7:20am in New York (EWR)

Layover in New York for 1h 5m

Fri Nov 28th 2025 United Airlines · UA 934 Depart at 8:25am from New York (EWR) Fly for 7h 10m Arrive at 8:35pm in London (LHR)
US$462

6:00am - 8:35pm
Fri Nov 7th 2025

9h 35m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Fri Nov 7th 2025 United Airlines · UA 4167 Depart at 6:00am from Washington, D.C. (DCA) Fly for 1h 20m Arrive at 7:20am in New York (EWR)

Layover in New York for 1h 5m

Fri Nov 7th 2025 United Airlines · UA 934 Depart at 8:25am from New York (EWR) Fly for 7h 10m Arrive at 8:35pm in London (LHR)
US$462

4:00pm - 7:10am
Fri Nov 7th 2025

10h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Fri Nov 7th 2025 Air Canada · AC 8824 Depart at 4:00pm from Washington, D.C. (DCA) Fly for 1h 45m Arrive at 5:45pm in Montreal (YUL)

Layover in Montreal for 1h 25m

Fri Nov 7th 2025 Air Canada · AC 864 Depart at 7:10pm from Montreal (YUL) Fly for 7h 0m Arrive at 7:10am in London (LHR)
US$463

6:00am - 8:35pm
Fri Nov 14th 2025

9h 35m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Fri Nov 14th 2025 United Airlines · UA 4167 Depart at 6:00am from Washington, D.C. (DCA) Fly for 1h 20m Arrive at 7:20am in New York (EWR)

Layover in New York for 1h 5m

Fri Nov 14th 2025 United Airlines · UA 934 Depart at 8:25am from New York (EWR) Fly for 7h 10m Arrive at 8:35pm in London (LHR)
US$463

4:00pm - 7:10am
Sat Nov 8th 2025

10h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sat Nov 8th 2025 United Airlines · UA 8351 Depart at 4:00pm from Washington, D.C. (DCA) Fly for 1h 45m Arrive at 5:45pm in Montreal (YUL)

Layover in Montreal for 1h 25m

Sat Nov 8th 2025 United Airlines · UA 8296 Depart at 7:10pm from Montreal (YUL) Fly for 7h 0m Arrive at 7:10am in London (LHR)
US$463

4:00pm - 7:10am
Thu Nov 6th 2025

10h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Thu Nov 6th 2025 United Airlines · UA 8351 Depart at 4:00pm from Washington, D.C. (DCA) Fly for 1h 45m Arrive at 5:45pm in Montreal (YUL)

Layover in Montreal for 1h 25m

Thu Nov 6th 2025 United Airlines · UA 8296 Depart at 7:10pm from Montreal (YUL) Fly for 7h 0m Arrive at 7:10am in London (LHR)
US$463

4:00pm - 7:10am
Sat Nov 29th 2025

10h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sat Nov 29th 2025 United Airlines · UA 8351 Depart at 4:00pm from Washington, D.C. (DCA) Fly for 1h 45m Arrive at 5:45pm in Montreal (YUL)

Layover in Montreal for 1h 25m

Sat Nov 29th 2025 United Airlines · UA 8296 Depart at 7:10pm from Montreal (YUL) Fly for 7h 0m Arrive at 7:10am in London (LHR)
US$463

4:00pm - 7:10am
Thu Nov 27th 2025

10h 10m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Thu Nov 27th 2025 United Airlines · UA 8351 Depart at 4:00pm from Washington, D.C. (DCA) Fly for 1h 45m Arrive at 5:45pm in Montreal (YUL)

Layover in Montreal for 1h 25m

Thu Nov 27th 2025 United Airlines · UA 8296 Depart at 7:10pm from Montreal (YUL) Fly for 7h 0m Arrive at 7:10am in London (LHR)
US$468

6:00am - 8:35pm
Sat Nov 15th 2025

9h 35m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sat Nov 15th 2025 United Airlines · UA 4167 Depart at 6:00am from Washington, D.C. (DCA) Fly for 1h 20m Arrive at 7:20am in New York (EWR)

Layover in New York for 1h 5m

Sat Nov 15th 2025 United Airlines · UA 934 Depart at 8:25am from New York (EWR) Fly for 7h 10m Arrive at 8:35pm in London (LHR)
US$491

8:00am - 9:20pm
Sat Nov 1st 2025

9h 20m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sat Nov 1st 2025 United Airlines · UA 4430 Depart at 8:00am from Washington, D.C. (DCA) Fly for 1h 20m Arrive at 9:20am in New York (EWR)

Layover in New York for 0h 50m

Sat Nov 1st 2025 United Airlines · UA 122 Depart at 10:10am from New York (EWR) Fly for 7h 10m Arrive at 9:20pm in London (LHR)
US$502

5:58pm - 8:40am
Mon Nov 10th 2025

9h 42m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Mon Nov 10th 2025 Finnair · AY 4104 Depart at 5:58pm from Washington, D.C. (DCA) Fly for 1h 26m Arrive at 7:24pm in New York (JFK)

Layover in New York for 1h 16m

Mon Nov 10th 2025 Finnair · AY 5472 Depart at 8:40pm from New York (JFK) Fly for 7h 0m Arrive at 8:40am in London (LHR)
US$502

5:58pm - 8:40am
Mon Nov 24th 2025

9h 42m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Mon Nov 24th 2025 Finnair · AY 4104 Depart at 5:58pm from Washington, D.C. (DCA) Fly for 1h 26m Arrive at 7:24pm in New York (JFK)

Layover in New York for 1h 16m

Mon Nov 24th 2025 Finnair · AY 5472 Depart at 8:40pm from New York (JFK) Fly for 7h 0m Arrive at 8:40am in London (LHR)
US$502

5:58pm - 8:40am
Sun Nov 9th 2025

9h 42m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sun Nov 9th 2025 Finnair · AY 4104 Depart at 5:58pm from Washington, D.C. (DCA) Fly for 1h 26m Arrive at 7:24pm in New York (JFK)

Layover in New York for 1h 16m

Sun Nov 9th 2025 Finnair · AY 5472 Depart at 8:40pm from New York (JFK) Fly for 7h 0m Arrive at 8:40am in London (LHR)
US$502

5:58pm - 8:40am
Wed Nov 5th 2025

9h 42m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Wed Nov 5th 2025 Finnair · AY 4104 Depart at 5:58pm from Washington, D.C. (DCA) Fly for 1h 26m Arrive at 7:24pm in New York (JFK)

Layover in New York for 1h 16m

Wed Nov 5th 2025 Finnair · AY 5472 Depart at 8:40pm from New York (JFK) Fly for 7h 0m Arrive at 8:40am in London (LHR)
US$502

5:58pm - 8:40am
Tue Nov 11th 2025

9h 42m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Tue Nov 11th 2025 Finnair · AY 4104 Depart at 5:58pm from Washington, D.C. (DCA) Fly for 1h 26m Arrive at 7:24pm in New York (JFK)

Layover in New York for 1h 16m

Tue Nov 11th 2025 Finnair · AY 5472 Depart at 8:40pm from New York (JFK) Fly for 7h 0m Arrive at 8:40am in London (LHR)
US$502

5:58pm - 8:40am
Wed Nov 12th 2025

9h 42m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Wed Nov 12th 2025 Finnair · AY 4104 Depart at 5:58pm from Washington, D.C. (DCA) Fly for 1h 26m Arrive at 7:24pm in New York (JFK)

Layover in New York for 1h 16m

Wed Nov 12th 2025 Finnair · AY 5472 Depart at 8:40pm from New York (JFK) Fly for 7h 0m Arrive at 8:40am in London (LHR)
US$541

5:58pm - 12:10pm
Mon Nov 10th 2025

13h 12m
Washington, D.C. (DCA) → Edinburgh (EDI)

2 Stops

Mon Nov 10th 2025 Finnair · AY 4104 Depart at 5:58pm from Washington, D.C. (DCA) Fly for 1h 26m Arrive at 7:24pm in New York (JFK)

Layover in New York for 1h 16m

Mon Nov 10th 2025 Finnair · AY 5472 Depart at 8:40pm from New York (JFK) Fly for 7h 0m Arrive at 8:40am in London (LHR)

Layover in London for 2h 0m

Tue Nov 11th 2025 Finnair · AY 5941 Depart at 10:40am from London (LHR) Fly for 1h 30m Arrive at 12:10pm in Edinburgh (EDI)
US$555

5:58pm - 8:40am
Thu Nov 6th 2025

9h 42m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Thu Nov 6th 2025 Finnair · AY 4104 Depart at 5:58pm from Washington, D.C. (DCA) Fly for 1h 26m Arrive at 7:24pm in New York (JFK)

Layover in New York for 1h 16m

Thu Nov 6th 2025 Finnair · AY 5472 Depart at 8:40pm from New York (JFK) Fly for 7h 0m Arrive at 8:40am in London (LHR)
US$555

5:58pm - 8:40am
Fri Nov 28th 2025

9h 42m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Fri Nov 28th 2025 Finnair · AY 4104 Depart at 5:58pm from Washington, D.C. (DCA) Fly for 1h 26m Arrive at 7:24pm in New York (JFK)

Layover in New York for 1h 16m

Fri Nov 28th 2025 Finnair · AY 5472 Depart at 8:40pm from New York (JFK) Fly for 7h 0m Arrive at 8:40am in London (LHR)
US$555

5:58pm - 8:40am
Sat Nov 15th 2025

9h 42m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sat Nov 15th 2025 Finnair · AY 4104 Depart at 5:58pm from Washington, D.C. (DCA) Fly for 1h 26m Arrive at 7:24pm in New York (JFK)

Layover in New York for 1h 16m

Sat Nov 15th 2025 Finnair · AY 5472 Depart at 8:40pm from New York (JFK) Fly for 7h 0m Arrive at 8:40am in London (LHR)
US$557

7:00am - 8:35pm
Sat Nov 1st 2025

9h 35m
Washington, D.C. (DCA) → London (LHR)

1 Stop

Sat Nov 1st 2025 United Airlines · UA 3493 Depart at 7:00am from Washington, D.C. (DCA) Fly for 1h 21m Arrive at 8:21am in New York (EWR)

Layover in New York for 1h 4m

Sat Nov 1st 2025 United Airlines · UA 934 Depart at 9:25am from New York (EWR) Fly for 7h 10m Arrive at 8:35pm in London (LHR)

Sarah Belizaire

@sarahbb1

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John Ford

@eyupitsjohn

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Roaming Sonaa

@roamingsonaa

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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 United Kingdom (DCA to GB)

Sarah Belizaire

John Ford

Roaming Sonaa

Andy Travels

Travel With Bender

Wesley Mergard

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