Cheap flights to Washington, D.C. – Compare and Save

— WAS
1 May — 8 May1
1 adult
1 adult, Economy, 0 bags

Flights to Washington, D.C. in 2026

Find the latest flights to Washington, D.C. in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 1 April 2026.

Return from

£415

One-way from

£244

Popular in

July

Cheapest in

February

Average price

£527

Good round-trip deal

£480 or less

Good one-way deal

£513 or less
Lufthansa
  • Lufthansa
  • 13/4-20/4
  • Nonstop
  • 15h 45m total
  • London to Washington, D.C.
27/4
  • 27/4
  • 3 total stops
  • 47h 24m total
  • London to Washington, D.C.
Highest demand for flights based on searches. 12% potential increase in price (£73 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).
Average for return flights in April 2026
Price to beat on a round-trip flight from London to Washington, D.C..
Price to beat on a one-way flight from London to Washington, D.C..

Find flight deals to Washington, D.C.

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Cheapest flights to Washington, D.C.
Explore the most affordable flight options available to Washington, D.C.. Find the lowest fares based on data from user searches, with prices last updated on 1 April 2026.

Mon 13/416:40
LHR
-
IAD
Nonstop8h 15m
Lufthansa
Mon 20/418:25
IAD
-
LHR
Nonstop7h 30m
Lufthansa
Deal found 29/3£415
Thu 21/515:40
LGW
-
IAD
1 stop32h 40m
Icelandair
Sun 24/523:20
IAD
-
LGW
1 stop31h 25m
Icelandair
Deal found 29/3£415
Tue 11/808:00
LHR
-
IAD
1 stop13h 03m
Austrian Airlines
Mon 17/817:15
IAD
-
LHR
1 stop13h 40m
Austrian Airlines
Deal found 29/3£415
Thu 21/515:40
LGW
-
IAD
1 stop32h 40m
Icelandair
Sun 24/523:20
IAD
-
LGW
1 stop31h 25m
Icelandair
Deal found 30/3£415
Tue 16/612:15
LHR
-
IAD
Nonstop8h 15m
Lufthansa
Wed 8/722:15
IAD
-
LHR
1 stop13h 25m
Lufthansa
Deal found 29/3£416
Mon 13/406:55
LHR
-
IAD
1 stop13h 05m
Lufthansa
Fri 24/422:10
IAD
-
LHR
Nonstop7h 30m
Lufthansa
Deal found 29/3£417
Tue 14/408:45
LHR
-
IAD
1 stop13h 00m
SWISS
Tue 21/420:20
IAD
-
LHR
1 stop11h 40m
SWISS
Deal found 30/3£418
Mon 27/407:25
LHR
-
IAD
1 stop12h 35m
Lufthansa
Sun 3/518:25
IAD
-
LHR
Nonstop7h 30m
Lufthansa
Deal found 28/3£418
Tue 5/509:15
LCY
-
IAD
1 stop12h 30m
SWISS
Mon 11/520:20
IAD
-
LCY
1 stop11h 15m
SWISS
Deal found 28/3£418
Mon 13/406:00
LHR
-
IAD
1 stop14h 15m
SWISS
Mon 20/420:20
IAD
-
LHR
1 stop16h 30m
SWISS
Deal found 30/3£419
Wed 17/609:30
LHR
-
DCA
1 stop11h 09m
Air Canada
Mon 22/612:40
DCA
-
LHR
1 stop12h 50m
Air Canada
Deal found 27/3£419
Mon 13/408:40
LHR
-
IAD
1 stop13h 05m
SWISS
Mon 20/420:20
IAD
-
LHR
1 stop11h 40m
SWISS
Deal found 28/3£420

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