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Cheap flights from Washington (DCA) to London (LCY)

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How to find the cheapest flight from Washington (DCA) to London (LCY)

How to find the cheapest flight from Washington (DCA) to London (LCY)
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How to find the cheapest flight from Washington (DCA) to London (LCY)
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How to find the cheapest flight from Washington (DCA) to London (LCY)
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Cheap flights from Washington to London in December 2025 , January 2026

31 Dec - 30 Jan $ 1,259.00
DCA
Washington
Frontier Airlines
2 STOPS
LCY
London
LCY
London
Frontier Airlines
3 STOPS
DCA
Washington
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30 Dec - 30 Jan $ 1,307.00
DCA
Washington
Frontier Airlines
2 STOPS
LCY
London
LCY
London
Frontier Airlines
3 STOPS
DCA
Washington
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29 Dec - 30 Jan $ 1,308.00
DCA
Washington
Frontier Airlines
2 STOPS
LCY
London
LCY
London
Frontier Airlines
3 STOPS
DCA
Washington
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Last minute flights from Washington to London

29 Dec - 01 Jan $ 2,105.00
DCA
Washington
Iberia Airlines
2 STOPS
LCY
London
LCY
London
Iberia Airlines
3 STOPS
DCA
Washington
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29 Dec - 01 Jan $ 2,131.00
DCA
Washington
Iberia Airlines
2 STOPS
LCY
London
LCY
London
Iberia Airlines
2 STOPS
DCA
Washington
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30 Dec - 01 Jan $ 2,201.00
DCA
Washington
Air France
2 STOPS
LCY
London
LCY
London
Air France
3 STOPS
DCA
Washington
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One-way flights to London from Washington

1:00 PM - 12:10 PM
United Airlines
2 Stops
18h 55m
DCA - LCY
$ 409
Kiwi
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1:00 PM - 12:10 PM
United Airlines
2 Stops
18h 55m
DCA - LCY
$ 581
Kiwi
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4:05 PM - 12:10 PM
United Airlines
2 Stops
15h 50m
DCA - LCY
$ 1,346
Kiwi
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How to find the cheapest flight from Washington (DCA) to London (LCY)

Related info for your journey
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How to find the cheapest flight from Washington (DCA) to London (LCY)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Washington (DCA) to London (LCY)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.