Cheap flights from London Heathrow Airport to Washington, D.C. – Compare and Save

LHR — WAS
26 Jul — 2 Aug1
1 adult

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 21 July 2025.

Tue 2/907:00LHR - IAD
2 stops14h 15mSWISS
Tue 9/920:45IAD - LHR
1 stop11h 15mSWISS
Deal found 19/7£462
Sun 31/809:30LHR - DCA
1 stop17h 18mAir Canada
Tue 9/911:00DCA - LHR
2 stops14h 30mAir Canada
Deal found 18/7£462
Wed 10/907:05LHR - IAD
2 stops41h 54mScandinavian Airlines
Wed 29/1021:30IAD - LHR
1 stop14h 30mScandinavian Airlines
Deal found 18/7£463
Sun 31/809:30LHR - DCA
1 stop17h 18mAir Canada
Tue 9/911:00DCA - LHR
2 stops14h 30mAir Canada
Deal found 18/7£463
Mon 1/912:35LHR - IAD
Nonstop8h 25mVirgin Atlantic
Mon 8/920:23IAD - LHR
1 stop29h 02mVirgin Atlantic
Deal found 18/7£464
Tue 21/1008:25LHR - DCA
1 stop12h 31mJetBlue
Mon 3/1106:00DCA - LHR
1 stop9h 45mJetBlue
Deal found 20/7£464
Sun 17/808:30LHR - IAD
1 stop14h 00mUnited Airlines
Mon 29/918:40IAD - LHR
Nonstop7h 15mUnited Airlines
Deal found 20/7£464
Sat 13/917:00LHR - DCA
1 stop11h 07mBritish Airways
Thu 25/906:45DCA - LHR
1 stop9h 55mBritish Airways
Deal found 18/7£464
Mon 10/1113:25LHR - IAD
1 stop12h 34mAir Canada
Sat 22/1109:55IAD - LHR
2 stops15h 35mAir Canada
Deal found 18/7£465
Fri 12/917:00LHR - DCA
1 stop11h 07mBritish Airways
Mon 15/919:23DCA - LHR
1 stop10h 42mBritish Airways
Deal found 19/7£465
Wed 1/1009:30LHR - IAD
2 stops11h 58mAir Canada
Wed 8/1014:25IAD - LHR
2 stops14h 10mAir Canada
Deal found 19/7£466
Sun 31/808:00LHR - DCA
1 stop11h 22mUnited Airlines
Tue 9/916:35DCA - LHR
1 stop12h 00mUnited Airlines
Deal found 19/7£466

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