Cheap flights from London Heathrow Airport to Washington, D.C. – Compare and Save
LHR — WAS
8 Jun — 15 Jun1
Return
1 adult
Economy
Find flight deals from Heathrow to Washington, D.C.
Cheapest flights from Heathrow to Washington, D.C.Explore the most affordable flight options available from Heathrow to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 June 2025.
Explore the most affordable flight options available from Heathrow to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 June 2025.
Wed 18/608:25LHR - DCA
1 stop11h 43mIcelandair
Tue 24/611:30DCA - LHR
2 stops17h 00mIcelandair
Deal found 2/6£480
Mon 23/621:25LHR - IAD
1 stop29h 45mIcelandair
Mon 30/620:30IAD - LHR
1 stop18h 50mIcelandair
Deal found 1/6£481
Sat 14/612:05LHR - IAD
1 stop26h 36mLufthansa
Tue 17/609:00IAD - LHR
1 stop15h 55mLufthansa
Deal found 2/6£482
Thu 18/919:40LHR - IAD
2 stops21h 38mFinnair
Thu 2/1009:13IAD - LHR
2 stops16h 07mFinnair
Deal found 2/6£483
Sat 13/916:40LHR - IAD
Nonstop8h 15mLufthansa
Sat 20/922:25IAD - LHR
Nonstop7h 15mLufthansa
Deal found 2/6£484
Sat 6/1207:40LHR - DCA
2 stops15h 27mMultiple Airlines
Tue 16/1211:00DCA - LHR
2 stops14h 30mMultiple Airlines
Deal found 2/6£485
Tue 1/708:25LHR - DCA
1 stop14h 40mJetBlue
Wed 16/711:45DCA - LHR
1 stop13h 45mJetBlue
Deal found 2/6£486
Fri 15/813:05LHR - IAD
1 stop14h 05mIcelandair
Mon 8/920:30IAD - LHR
1 stop10h 25mIcelandair
Deal found 2/6£487
Wed 12/1112:05LHR - IAD
Nonstop8h 30mAustrian Airlines
Wed 3/1218:20IAD - LHR
Nonstop7h 20mAustrian Airlines
Deal found 2/6£489
Mon 16/621:25LHR - IAD
1 stop29h 45mIcelandair
Tue 24/620:30IAD - LHR
1 stop10h 25mIcelandair
Deal found 2/6£489
Sat 22/1106:40LHR - IAD
2 stops17h 10mScandinavian Airlines
Sat 13/1220:30IAD - LHR
2 stops17h 20mScandinavian Airlines
Deal found 3/6£491
Mon 16/608:40LHR - IAD
1 stop11h 55mDelta
Mon 15/1219:10IAD - LHR
Nonstop7h 30mDelta
Deal found 2/6£492