Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

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

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.
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.

Cheap flights from Washington to London in June , July 2026

29 Jun - 30 Jul $ 1,812.00
DCA
Washington
Air Canada
3 STOPS
LCY
London
LCY
London
Air Canada
3 STOPS
DCA
Washington
Pick dates
29 Jun - 28 Jul $ 1,827.00
DCA
Washington
Air Canada
3 STOPS
LCY
London
LCY
London
Air Canada
3 STOPS
DCA
Washington
Pick dates
29 Jun - 16 Jul $ 1,833.00
DCA
Washington
Air Canada
3 STOPS
LCY
London
LCY
London
Air Canada
3 STOPS
DCA
Washington
Pick dates

Last minute flights from Washington to London

29 Jun - 01 Jul $ 2,280.00
DCA
Washington
Air Canada
3 STOPS
LCY
London
LCY
London
Air Canada
3 STOPS
DCA
Washington
Pick dates
29 Jun - 01 Jul $ 2,285.00
DCA
Washington
Air Canada
3 STOPS
LCY
London
LCY
London
Air Canada
3 STOPS
DCA
Washington
Pick dates
29 Jun - 01 Jul $ 2,395.00
DCA
Washington
Air Canada
3 STOPS
LCY
London
LCY
London
Air Canada
3 STOPS
DCA
Washington
Pick dates

One-way flights to London from Washington

8:25 AM - 4:50 PM
Swiss International Air Lines
2 Stops
28h
DCA - LCY
$ 960
Kiwi
Pick dates
11:00 AM - 5:15 PM
KLM Royal Dutch Airlines
3 Stops
25h 20m
DCA - LCY
$ 986
Kiwi
Pick dates
11:00 AM - 4:35 PM
KLM Royal Dutch Airlines
3 Stops
24h 40m
DCA - LCY
$ 1,096
Kiwi
Pick dates

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

Related info for your journey
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.
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.