Find flight deals from Washington, D.C. to Heathrow

Cheapest flights from Washington, D.C. to Heathrow
Explore the most affordable flight options available from Washington, D.C. to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.

Sun 10/822:05IAD - LHR

2 stops18h 30mScandinavian Airlines

Sat 23/817:00LHR - IAD

1 stop31h 59mScandinavian Airlines

Deal found 28/4£460

Sat 23/822:05IAD - LHR

1 stop18h 35mScandinavian Airlines

Sun 31/821:05LHR - IAD

2 stops27h 54mScandinavian Airlines

Deal found 28/4£461

Wed 10/922:05IAD - LHR

1 stop12h 55mScandinavian Airlines

Mon 15/906:40LHR - IAD

1 stop18h 19mScandinavian Airlines

Deal found 28/4£462

Sun 19/1006:30DCA - LHR

1 stop9h 15mJetBlue

Sun 26/1008:25LHR - DCA

1 stop11h 35mJetBlue

Deal found 28/4£462

Mon 4/822:05IAD - LHR

2 stops35h 30mScandinavian Airlines

Sat 23/817:00LHR - IAD

1 stop31h 59mScandinavian Airlines

Deal found 29/4£462

Fri 15/822:05IAD - LHR

2 stops30h 30mScandinavian Airlines

Sat 30/806:40LHR - IAD

1 stop18h 19mScandinavian Airlines

Deal found 28/4£463

Mon 22/906:30DCA - LHR

1 stop9h 15mJetBlue

Mon 29/911:55LHR - DCA

1 stop11h 49mJetBlue

Deal found 29/4£464

Tue 13/515:52IAD - LHR

1 stop10h 23mLufthansa

Wed 21/509:30LHR - IAD

1 stop11h 20mLufthansa

Deal found 28/4£464

Fri 29/820:30IAD - LHR

1 stop18h 50mIcelandair

Fri 5/913:05LHR - IAD

1 stop14h 05mIcelandair

Deal found 28/4£465

Fri 29/822:05IAD - LHR

2 stops29h 50mScandinavian Airlines

Mon 1/906:40LHR - IAD

1 stop18h 19mScandinavian Airlines

Deal found 28/4£465

Wed 1/1020:30BWI - LHR

1 stop18h 50mIcelandair

Thu 30/1020:40LHR - BWI

1 stop26h 50mIcelandair

Deal found 29/4£466

Fri 29/820:30IAD - LHR

1 stop10h 25mIcelandair

Mon 1/921:25LHR - IAD

1 stop29h 45mIcelandair

Deal found 29/4£466

Best flights from Washington, D.C. to Heathrow
Discover carefully curated flight deals from Washington, D.C. to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 April 2025.

Tue 13/522:40IAD - LHR

Nonstop7h 25mIberia

Thu 29/506:15LHR - IAD

1 stop13h 45mIberia

Deal found 29/4£462

Mon 4/822:05IAD - LHR

2 stops35h 30mScandinavian Airlines

Sat 23/817:00LHR - IAD

1 stop31h 59mScandinavian Airlines

Deal found 29/4£462

Sun 19/1006:30DCA - LHR

1 stop9h 15mJetBlue

Sun 26/1008:25LHR - DCA

1 stop12h 34mJetBlue

Deal found 29/4£464

Mon 12/520:30IAD - LHR

1 stop10h 25mIcelandair

Thu 22/521:25LHR - IAD

1 stop26h 55mIcelandair

Deal found 29/4£464

Wed 14/517:50IAD - LHR

Nonstop7h 30mDelta

Wed 21/506:15LHR - IAD

1 stop15h 05mDelta

Deal found 29/4£465

Mon 5/520:30BWI - LHR

1 stop10h 25mMultiple Airlines

Mon 12/520:50LHR - BWI

2 stops39h 41mMultiple Airlines

Deal found 29/4£473

Wed 6/821:00IAD - LHR

1 stop10h 40mAer Lingus

Wed 20/809:50LHR - IAD

1 stop11h 00mAer Lingus

Deal found 29/4£473

Tue 19/819:17DCA - LHR

1 stop10h 48mFinnair

Tue 26/817:00LHR - DCA

1 stop11h 17mFinnair

Deal found 29/4£484

Tue 13/522:15IAD - LHR

Nonstop7h 25mUnited Airlines

Thu 22/508:40LHR - IAD

1 stop12h 35mUnited Airlines

Deal found 29/4£488

Mon 22/917:45IAD - LHR

1 stop11h 35mTAP AIR PORTUGAL

Fri 3/1006:00LHR - IAD

1 stop14h 20mTAP AIR PORTUGAL

Deal found 29/4£489

Tue 5/816:30DCA - LHR

1 stop12h 30mAir Canada

Tue 26/808:45LHR - DCA

2 stops15h 57mAir Canada

Deal found 28/4£494

Tue 13/521:20BWI - LHR

Nonstop7h 15mAmerican Airlines

Tue 20/509:15LHR - BWI

1 stop12h 22mAmerican Airlines

Deal found 29/4£503

Direct flights from Washington, D.C. to Heathrow
Explore direct flight options from Washington, D.C. to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 April 2025.

Tue 9/917:50IAD - LHR

Nonstop7h 25mIberia

Sat 20/912:40LHR - IAD

Nonstop8h 15mIberia

Deal found 30/4£462

Tue 29/717:50IAD - LHR

Nonstop7h 30mDelta

Wed 13/812:35LHR - IAD

Nonstop8h 25mDelta

Deal found 29/4£468

Tue 13/517:50IAD - LHR

Nonstop7h 30mDelta

Fri 30/512:35LHR - IAD

Nonstop8h 25mDelta

Deal found 29/4£471

Tue 7/1022:45IAD - LHR

Nonstop7h 20mFinnair

Tue 14/1012:45LHR - IAD

Nonstop8h 10mFinnair

Deal found 29/4£473

Tue 29/722:40IAD - LHR

Nonstop7h 25mFinnair

Wed 27/812:45LHR - IAD

Nonstop8h 10mFinnair

Deal found 29/4£475

Thu 14/817:50IAD - LHR

Nonstop7h 30mDelta

Wed 1/1012:35LHR - IAD

Nonstop8h 25mDelta

Deal found 29/4£480

Tue 29/717:50IAD - LHR

Nonstop7h 25mIberia

Wed 13/817:00LHR - IAD

Nonstop8h 10mIberia

Deal found 29/4£481

Wed 3/917:50IAD - LHR

Nonstop7h 25mBritish Airways

Fri 24/1014:25LHR - IAD

Nonstop8h 05mBritish Airways

Deal found 29/4£482

Thu 24/722:40IAD - LHR

Nonstop7h 25mIberia

Wed 13/817:00LHR - IAD

Nonstop8h 10mIberia

Deal found 29/4£485

Tue 23/917:50IAD - LHR

Nonstop7h 30mDelta

Fri 3/1012:35LHR - IAD

Nonstop8h 25mDelta

Deal found 29/4£488

Sun 18/522:40IAD - LHR

Nonstop7h 25mIberia

Wed 18/617:00LHR - IAD

Nonstop8h 10mIberia

Deal found 29/4£488

Fri 22/822:40IAD - LHR

Nonstop7h 25mIberia

Wed 27/817:00LHR - IAD

Nonstop8h 10mIberia

Deal found 29/4£490

Last-minute flights from Washington, D.C. to Heathrow
Discover last-minute flight deals from Washington, D.C. to Heathrow. Data last updated 30 April 2025 and is based on user searches.

Mon 5/520:30BWI - LHR

1 stop10h 25mMultiple Airlines

Mon 12/520:50LHR - BWI

2 stops39h 41mMultiple Airlines

Deal found 29/4£473

Mon 5/520:30IAD - LHR

1 stop10h 25mIcelandair

Mon 12/521:25LHR - IAD

1 stop26h 55mIcelandair

Deal found 29/4£478

Mon 5/520:30BWI - LHR

1 stop10h 25mMultiple Airlines

Sun 11/520:50LHR - BWI

2 stops39h 41mMultiple Airlines

Deal found 29/4£486

Mon 5/520:30IAD - LHR

1 stop18h 50mIcelandair

Wed 14/513:05LHR - IAD

1 stop11h 15mIcelandair

Deal found 28/4£467

Tue 6/513:45DCA - LHR

1 stop11h 45mIcelandair

Wed 14/508:15LHR - DCA

1 stop19h 43mIcelandair

Deal found 29/4£475

Tue 6/520:30BWI - LHR

1 stop18h 50mIcelandair

Tue 13/521:25LHR - BWI

1 stop27h 00mIcelandair

Deal found 29/4£476

Tue 6/520:30IAD - LHR

1 stop10h 25mIcelandair

Thu 15/521:25LHR - IAD

1 stop26h 55mIcelandair

Deal found 29/4£476

Tue 6/520:30BWI - LHR

1 stop18h 50mMultiple Airlines

Sun 11/520:50LHR - BWI

2 stops39h 41mMultiple Airlines

Deal found 29/4£485

Tue 6/520:30BWI - LHR

1 stop18h 50mMultiple Airlines

Fri 9/521:25LHR - BWI

1 stop25h 15mMultiple Airlines

Deal found 29/4£487

Tue 6/520:30BWI - LHR

1 stop18h 50mMultiple Airlines

Sun 11/520:50LHR - BWI

2 stops39h 41mMultiple Airlines

Deal found 29/4£488

Tue 6/520:30BWI - LHR

1 stop18h 50mMultiple Airlines

Tue 13/520:50LHR - BWI

2 stops39h 41mMultiple Airlines

Deal found 28/4£495

Wed 7/513:59DCA - LHR

1 stop11h 31mJetBlue

Tue 20/508:25LHR - DCA

1 stop16h 35mJetBlue

Deal found 30/4£480

One-way flights from Washington, D.C. to Heathrow
Search for one-way flight options from Washington, D.C. to Heathrow. Find affordable one-way fares based on user searches. Data last updated 30 April 2025.

Mon 12/520:30BWI - LHR

1 stop10h 25mIcelandair

Deal found 29/4£183

Sun 20/713:31IAD - LHR

2 stops25h 49mMultiple Airlines

Deal found 28/4£195

Mon 5/520:30BWI - LHR

1 stop10h 25mIcelandair

Deal found 29/4£197

Tue 29/720:30IAD - LHR

1 stop10h 25mIcelandair

Deal found 29/4£197

Wed 30/720:30IAD - LHR

1 stop10h 25mIcelandair

Deal found 29/4£200

Sat 2/822:35IAD - LHR

1 stop18h 25mTAP AIR PORTUGAL

Deal found 29/4£201

Tue 15/722:20IAD - LHR

1 stop14h 25mTAP AIR PORTUGAL

Deal found 29/4£204

Fri 25/721:59BWI - LHR

2 stops32h 56mMultiple Airlines

Deal found 29/4£206

Thu 24/720:30BWI - LHR

1 stop10h 25mIcelandair

Deal found 28/4£207

Thu 24/720:30IAD - LHR

1 stop10h 25mIcelandair

Deal found 28/4£207

Sun 27/714:59BWI - LHR

2 stops24h 21mMultiple Airlines

Deal found 28/4£208

Thu 24/713:31IAD - LHR

2 stops25h 49mMultiple Airlines

Deal found 28/4£212

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

Find flight deals from Washington, D.C. to Heathrow

Cheapest flights from Washington, D.C. to HeathrowExplore the most affordable flight options available from Washington, D.C. to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.

Explore the most affordable flight options available from Washington, D.C. to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Washington, D.C. to Heathrow
Explore the most affordable flight options available from Washington, D.C. to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.