Find flight deals from London to Seattle

Cheapest flights from London to Seattle
Explore the most affordable flight options available from London to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 April 2025.

Thu 21/813:05LHR - SEA

1 stop12h 45mIcelandair

Thu 4/923:30SEA - LHR

1 stop12h 50mIcelandair

Deal found 23/4£459

Sat 23/821:25LHR - SEA

1 stop22h 00mIcelandair

Sat 6/923:30SEA - LHR

1 stop12h 50mIcelandair

Deal found 24/4£460

Mon 1/913:30LHR - SEA

1 stop16h 10mFinnair

Sun 21/923:55SEA - LHR

2 stops22h 20mFinnair

Deal found 23/4£461

Tue 8/715:40LGW - SEA

1 stop27h 45mIcelandair

Tue 22/715:45SEA - LGW

1 stop14h 55mIcelandair

Deal found 23/4£462

Tue 13/508:45LHR - SEA

2 stops18h 52mAir Canada

Tue 20/507:20SEA - LHR

1 stop15h 10mAir Canada

Deal found 22/4£462

Sat 23/821:25LHR - SEA

1 stop22h 00mIcelandair

Sat 6/923:30SEA - LHR

1 stop12h 50mIcelandair

Deal found 23/4£463

Mon 5/509:30LHR - SEA

1 stop18h 07mAir Canada

Mon 19/507:20SEA - LHR

1 stop18h 40mAir Canada

Deal found 23/4£465

Tue 13/513:00LGW - SEA

1 stop12h 50mIcelandair

Tue 27/519:00SEA - LGW

1 stop32h 45mIcelandair

Deal found 23/4£466

Mon 5/517:25LHR - SEA

Nonstop10h 20mVirgin Atlantic

Mon 19/520:20SEA - LHR

Nonstop9h 55mVirgin Atlantic

Deal found 23/4£466

Mon 2/615:40LGW - SEA

1 stop27h 45mIcelandair

Mon 9/615:45SEA - LGW

1 stop12h 00mIcelandair

Deal found 22/4£466

Wed 30/410:50LHR - SEA

2 stops19h 13mMultiple Airlines

Wed 7/514:55SEA - LHR

1 stop14h 25mMultiple Airlines

Deal found 23/4£466

Wed 9/715:40LGW - SEA

1 stop13h 00mIcelandair

Wed 23/715:45SEA - LGW

1 stop14h 55mIcelandair

Deal found 23/4£467

Best flights from London to Seattle
Discover carefully curated flight deals from London to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 April 2025.

Wed 30/406:15LHR - SEA

1 stop18h 44mBritish Airways

Wed 7/520:20SEA - LHR

Nonstop9h 20mBritish Airways

Deal found 23/4£461

Tue 8/715:40LGW - SEA

1 stop27h 45mIcelandair

Tue 22/715:45SEA - LGW

1 stop14h 55mIcelandair

Deal found 23/4£462

Tue 13/508:45LHR - SEA

2 stops18h 52mAir Canada

Tue 20/507:20SEA - LHR

1 stop15h 10mAir Canada

Deal found 22/4£462

Mon 5/517:25LHR - SEA

Nonstop10h 20mVirgin Atlantic

Mon 19/520:20SEA - LHR

Nonstop9h 55mVirgin Atlantic

Deal found 23/4£466

Wed 30/410:50LHR - SEA

2 stops19h 13mMultiple Airlines

Wed 7/514:55SEA - LHR

1 stop14h 25mMultiple Airlines

Deal found 23/4£466

Sun 4/509:30LHR - SEA

1 stop18h 07mLufthansa

Mon 19/512:45SEA - LHR

1 stop13h 40mLufthansa

Deal found 23/4£467

Mon 5/506:50LHR - SEA

2 stops17h 32mUnited Airlines

Mon 19/512:45SEA - LHR

1 stop13h 40mUnited Airlines

Deal found 23/4£470

Tue 20/519:30LHR - SEA

1 stop26h 20mScandinavian Airlines

Mon 26/516:00SEA - LHR

2 stops16h 25mScandinavian Airlines

Deal found 24/4£485

Wed 7/516:30LHR - SEA

Nonstop9h 50mFinnair

Sat 10/522:57SEA - LHR

2 stops26h 43mFinnair

Deal found 23/4£490

Mon 5/509:55LHR - SEA

1 stop14h 02mDelta

Mon 19/520:20SEA - LHR

Nonstop9h 55mDelta

Deal found 23/4£494

Tue 6/517:25LHR - SEA

Nonstop10h 20mAir France

Tue 13/520:20SEA - LHR

Nonstop9h 55mAir France

Deal found 22/4£496

Mon 5/509:50LCY - SEA

1 stop14h 07mKLM

Mon 19/518:07SEA - LCY

1 stop14h 33mKLM

Deal found 23/4£503

Direct flights from London to Seattle
Explore direct flight options from London to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 24 April 2025.

Mon 5/517:25LHR - SEA

Nonstop10h 20mVirgin Atlantic

Mon 19/520:20SEA - LHR

Nonstop9h 55mVirgin Atlantic

Deal found 23/4£466

Mon 5/513:25LHR - SEA

Nonstop10h 20mVirgin Atlantic

Mon 19/517:35SEA - LHR

Nonstop9h 45mVirgin Atlantic

Deal found 23/4£475

Mon 5/513:25LHR - SEA

Nonstop10h 20mVirgin Atlantic

Mon 19/517:35SEA - LHR

Nonstop9h 45mVirgin Atlantic

Deal found 23/4£476

Mon 5/513:25LHR - SEA

Nonstop10h 20mVirgin Atlantic

Mon 19/517:35SEA - LHR

Nonstop9h 45mVirgin Atlantic

Deal found 23/4£491

Tue 6/517:25LHR - SEA

Nonstop10h 20mAir France

Tue 13/520:20SEA - LHR

Nonstop9h 55mAir France

Deal found 22/4£496

Mon 1/917:25LHR - SEA

Nonstop10h 25mVirgin Atlantic

Sun 21/920:25SEA - LHR

Nonstop9h 50mVirgin Atlantic

Deal found 23/4£503

Wed 7/517:25LHR - SEA

Nonstop10h 15mVirgin Atlantic

Wed 14/517:35SEA - LHR

Nonstop9h 45mVirgin Atlantic

Deal found 23/4£504

Mon 8/913:25LHR - SEA

Nonstop10h 20mVirgin Atlantic

Fri 26/920:25SEA - LHR

Nonstop9h 50mVirgin Atlantic

Deal found 23/4£508

Sun 4/518:30LHR - SEA

Nonstop10h 20mAir France

Mon 19/520:20SEA - LHR

Nonstop9h 55mAir France

Deal found 23/4£509

Tue 26/809:25LHR - SEA

Nonstop9h 45mBritish Airways

Thu 4/920:20SEA - LHR

Nonstop9h 20mBritish Airways

Deal found 23/4£512

Wed 14/509:50LHR - SEA

Nonstop9h 45mMultiple Airlines

Wed 21/513:30SEA - LHR

Nonstop9h 20mMultiple Airlines

Deal found 23/4£530

Mon 25/817:25LHR - SEA

Nonstop10h 20mVirgin Atlantic

Mon 8/920:25SEA - LHR

Nonstop9h 50mVirgin Atlantic

Deal found 23/4£534

Last-minute flights from London to Seattle
Discover last-minute flight deals from London to Seattle. Data last updated 24 April 2025 and is based on user searches.

Tue 29/421:25LHR - SEA

1 stop28h 25mIcelandair

Tue 6/519:00SEA - LHR

1 stop32h 55mIcelandair

Deal found 22/4£475

Wed 30/406:15LHR - SEA

1 stop18h 44mBritish Airways

Wed 7/520:20SEA - LHR

Nonstop9h 20mBritish Airways

Deal found 23/4£461

Wed 30/410:50LHR - SEA

2 stops19h 13mMultiple Airlines

Wed 7/514:55SEA - LHR

1 stop14h 25mMultiple Airlines

Deal found 23/4£466

Wed 30/406:15LHR - SEA

1 stop18h 44mBritish Airways

Wed 7/518:45SEA - LHR

1 stop13h 10mBritish Airways

Deal found 23/4£470

Wed 30/410:50LHR - SEA

2 stops19h 13mMultiple Airlines

Wed 7/510:00SEA - LHR

2 stops17h 50mMultiple Airlines

Deal found 23/4£472

Wed 30/417:25LHR - SEA

Nonstop10h 20mAir France

Wed 7/520:20SEA - LHR

Nonstop9h 55mAir France

Deal found 23/4£473

Wed 30/415:40LGW - SEA

1 stop13h 00mIcelandair

Wed 7/515:45SEA - LGW

1 stop12h 00mIcelandair

Deal found 23/4£474

Wed 30/408:30LHR - SEA

1 stop21h 11mUnited Airlines

Wed 7/514:15SEA - LHR

1 stop13h 30mUnited Airlines

Deal found 23/4£488

Thu 1/507:45LHR - SEA

2 stops20h 33mUnited Airlines

Fri 9/508:50SEA - LHR

1 stop16h 50mUnited Airlines

Deal found 23/4£474

Thu 1/509:30LHR - SEA

1 stop18h 07mUnited Airlines

Fri 9/515:25SEA - LHR

1 stop12h 55mUnited Airlines

Deal found 23/4£483

Thu 1/509:30LHR - SEA

2 stops18h 48mUnited Airlines

Fri 9/519:33SEA - LHR

2 stops17h 07mUnited Airlines

Deal found 23/4£487

Sun 4/509:30LHR - SEA

1 stop18h 07mLufthansa

Mon 19/512:45SEA - LHR

1 stop13h 40mLufthansa

Deal found 23/4£467

One-way flights from London to Seattle
Search for one-way flight options from London to Seattle. Find affordable one-way fares based on user searches. Data last updated 24 April 2025.

Wed 30/407:40LHR - SEA

1 stop17h 19mAer Lingus

Deal found 24/4£407

Mon 12/508:50LTN - SEA

3 stops17h 45mMultiple Airlines

Deal found 23/4£407

Tue 24/614:10LHR - SEA

3 stops31h 59mWestJet

Deal found 23/4£408

Sun 29/619:55LGW - SEA

3 stops25h 03mMultiple Airlines

Deal found 23/4£409

Sun 29/618:55LTN - SEA

3 stops26h 03mMultiple Airlines

Deal found 23/4£409

Thu 26/622:55STN - SEA

3 stops42h 26mMultiple Airlines

Deal found 23/4£409

Tue 24/621:25LHR - SEA

2 stops23h 33mMultiple Airlines

Deal found 23/4£409

Mon 23/613:55LHR - SEA

3 stops32h 14mWestJet

Deal found 23/4£411

Mon 19/520:50LHR - SEA

2 stops33h 10mMultiple Airlines

Deal found 23/4£412

Thu 26/619:50LHR - SEA

3 stops25h 08mMultiple Airlines

Deal found 23/4£412

Mon 21/720:15LGW - SEA

3 stops24h 43mMultiple Airlines

Deal found 23/4£413

Mon 28/421:10LHR - SEA

1 stop27h 49mAer Lingus

Deal found 23/4£415

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Cheap flights from London to Seattle – Compare and Save

Find flight deals from London to Seattle

Cheapest flights from London to SeattleExplore the most affordable flight options available from London to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 April 2025.

Explore the most affordable flight options available from London to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 April 2025.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from London to Seattle
Explore the most affordable flight options available from London to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 April 2025.