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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 January , February 2026

28 Jan - 26 Feb $ 1,145.00
DCA
Washington
Frontier Airlines
2 STOPS
LCY
London
LCY
London
Frontier Airlines
3 STOPS
DCA
Washington
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28 Jan - 26 Feb $ 1,167.00
DCA
Washington
Frontier Airlines
2 STOPS
LCY
London
LCY
London
Frontier Airlines
3 STOPS
DCA
Washington
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28 Jan - 27 Feb $ 1,257.00
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

28 Jan - 02 Feb $ 1,438.00
DCA
Washington
TAP Portugal
2 STOPS
LCY
London
LCY
London
TAP Portugal
3 STOPS
DCA
Washington
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28 Jan - 01 Feb $ 1,488.00
DCA
Washington
TAP Portugal
2 STOPS
LCY
London
LCY
London
TAP Portugal
3 STOPS
DCA
Washington
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28 Jan - 01 Feb $ 1,494.00
DCA
Washington
TAP Portugal
2 STOPS
LCY
London
LCY
London
TAP Portugal
3 STOPS
DCA
Washington
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One-way flights to London from Washington

4:15 PM - 12:10 PM
United Airlines
2 Stops
15h 40m
DCA - LCY
$ 411
Kiwi
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1:00 PM - 4:25 PM
Swiss International Air Lines
2 Stops
23h 5m
DCA - LCY
$ 463
Kiwi
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3:30 PM - 12:10 PM
United Airlines
2 Stops
16h 25m
DCA - LCY
$ 523
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.