Earn point on your loyalty program!arrow arc left

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

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 London (LCY) to Washington (DCA)

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

Cheap flights from London to Washington in September , October 2026

29 Sep - 23 Oct $ 1,410.00
LCY
London
Swiss International Air Lines
3 STOPS
DCA
Washington
DCA
Washington
Swiss International Air Lines
2 STOPS
LCY
London
Pick dates
29 Sep - 22 Oct $ 1,410.00
LCY
London
Swiss International Air Lines
3 STOPS
DCA
Washington
DCA
Washington
Swiss International Air Lines
2 STOPS
LCY
London
Pick dates
29 Sep - 21 Oct $ 1,410.00
LCY
London
Swiss International Air Lines
3 STOPS
DCA
Washington
DCA
Washington
Swiss International Air Lines
2 STOPS
LCY
London
Pick dates

Last minute flights from London to Washington

29 Sep - 02 Oct $ 1,918.00
LCY
London
Lufthansa
3 STOPS
DCA
Washington
DCA
Washington
Lufthansa
2 STOPS
LCY
London
Pick dates
29 Sep - 02 Oct $ 1,946.00
LCY
London
Lufthansa
3 STOPS
DCA
Washington
DCA
Washington
Lufthansa
2 STOPS
LCY
London
Pick dates
29 Sep - 02 Oct $ 2,042.00
LCY
London
Lufthansa
3 STOPS
DCA
Washington
DCA
Washington
Lufthansa
2 STOPS
LCY
London
Pick dates

One-way flights to Washington from London

1:45 PM - 9:30 PM
JetBlue Airways
3 Stops
38h 14m
LCY - DCA
$ 980
Kiwi
Pick dates
5:50 PM - 9:30 PM
JetBlue Airways
3 Stops
34h 9m
LCY - DCA
$ 1,052
Kiwi
Pick dates
5:50 PM - 9:30 PM
JetBlue Airways
3 Stops
34h 9m
LCY - DCA
$ 1,058
Kiwi
Pick dates

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

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 London (LCY) to Washington (DCA)
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 London (LCY) to Washington (DCA)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.