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

— WAS
23 Jul — 30 Jul1
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 23 June 2026.

Return from

£447

One-way from

£346

Popular in

June

Cheapest in

February

Average price

£595

Good round-trip deal

£539 or less

Good one-way deal

£521 or less
United Airlines
  • United Airlines
  • 13/7-27/7
  • 2 total stops
  • 28h 30m total
  • London to Washington, D.C.
4/10
  • 4/10
  • 2 total stops
  • 16h 00m total
  • London to Washington, D.C.
Highest demand for flights based on searches. 9% potential increase in price (£55 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Average for return flights in June 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 23 June 2026.

Mon 7/909:15
LCY
-
IAD
1 stop12h 30m
SWISS
Mon 14/920:20
IAD
-
LCY
1 stop11h 15m
SWISS
Deal found 23/6£449
Thu 2/720:05
LHR
-
IAD
1 stop25h 40m
Multiple Airlines
Sat 11/722:15
IAD
-
LHR
Nonstop7h 25m
Multiple Airlines
Deal found 22/6£451
Sat 7/1109:00
LHR
-
DCA
2 stops15h 57m
Air Canada
Tue 1/1211:00
DCA
-
LHR
1 stop15h 10m
Air Canada
Deal found 22/6£451
Mon 20/709:20
LCY
-
IAD
2 stops13h 59m
Virgin Atlantic
Mon 3/818:10
IAD
-
LCY
1 stop9h 40m
Virgin Atlantic
Deal found 23/6£451
Mon 29/606:50
LHR
-
IAD
1 stop11h 40m
Brussels Airlines
Fri 10/719:20
IAD
-
LHR
1 stop36h 05m
Brussels Airlines
Deal found 22/6£452
Wed 8/718:40
LHR
-
IAD
1 stop27h 05m
SWISS
Wed 22/717:20
IAD
-
LHR
1 stop18h 15m
SWISS
Deal found 22/6£452
Fri 28/809:30
LHR
-
IAD
1 stop11h 35m
Lufthansa
Fri 4/918:30
IAD
-
LHR
Nonstop7h 25m
Lufthansa
Deal found 22/6£453
Tue 7/716:40
LHR
-
IAD
Nonstop8h 20m
Lufthansa
Mon 7/918:30
IAD
-
LHR
Nonstop7h 25m
Lufthansa
Deal found 22/6£454
Fri 10/709:15
LCY
-
IAD
1 stop12h 30m
SWISS
Wed 22/717:40
IAD
-
LCY
1 stop13h 55m
SWISS
Deal found 23/6£454
Fri 21/807:30
LHR
-
IAD
1 stop12h 45m
Lufthansa
Tue 25/822:15
IAD
-
LHR
Nonstop7h 25m
Lufthansa
Deal found 23/6£455
Thu 15/1006:50
LHR
-
DCA
2 stops16h 25m
Air Canada
Sun 18/1016:20
DCA
-
LHR
1 stop12h 40m
Air Canada
Deal found 22/6£455
Fri 10/709:15
LCY
-
IAD
1 stop12h 30m
SWISS
Wed 15/717:40
IAD
-
LCY
1 stop20h 00m
SWISS
Deal found 22/6£455

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