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£458

Mon 1/921:25LHR - SEA

1 stop22h 00mIcelandair

Sun 21/915:45SEA - LHR

1 stop12h 10mIcelandair

Deal found 24/4£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£461

Thu 1/508:40LHR - SEA

2 stops18h 57mMultiple Airlines

Fri 9/507:20SEA - LHR

1 stop15h 10mMultiple Airlines

Deal found 24/4£461

Tue 13/513:00LGW - SEA

1 stop15h 40mIcelandair

Tue 27/519:00SEA - LGW

1 stop32h 45mIcelandair

Deal found 24/4£462

Sat 23/821:25LHR - SEA

1 stop22h 00mIcelandair

Sat 6/923:30SEA - LHR

1 stop12h 50mIcelandair

Deal found 23/4£462

Thu 8/518:40LGW - SEA

2 stops32h 12mSWISS

Sun 11/512:45SEA - LGW

2 stops45h 05mSWISS

Deal found 24/4£464

Thu 8/510:50LHR - SEA

2 stops19h 23mMultiple Airlines

Sun 11/507:20SEA - LHR

1 stop15h 10mMultiple Airlines

Deal found 24/4£464

Fri 2/509:30LHR - SEA

1 stop18h 07mLufthansa

Sat 10/514:40SEA - LHR

1 stop15h 30mLufthansa

Deal found 24/4£464

Tue 13/513:00LGW - SEA

1 stop12h 50mIcelandair

Tue 27/519:00SEA - LGW

1 stop32h 45mIcelandair

Deal found 23/4£465

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.

Thu 21/813:05LHR - SEA

1 stop12h 45mIcelandair

Thu 4/923:30SEA - LHR

1 stop12h 50mIcelandair

Deal found 23/4£458

Mon 1/913:30LHR - SEA

1 stop16h 10mFinnair

Sun 21/923:55SEA - LHR

2 stops22h 20mFinnair

Deal found 23/4£461

Tue 13/508:45LHR - SEA

2 stops18h 52mAir Canada

Tue 20/507:20SEA - LHR

1 stop15h 10mAir Canada

Deal found 22/4£461

Thu 8/518:40LGW - SEA

2 stops32h 12mSWISS

Sun 11/512:45SEA - LGW

2 stops45h 05mSWISS

Deal found 24/4£464

Thu 8/510:50LHR - SEA

2 stops19h 23mMultiple Airlines

Sun 11/507:20SEA - LHR

1 stop15h 10mMultiple Airlines

Deal found 24/4£464

Mon 5/517:25LHR - SEA

Nonstop10h 20mVirgin Atlantic

Mon 19/520:20SEA - LHR

Nonstop9h 55mVirgin Atlantic

Deal found 23/4£465

Tue 13/506:30LHR - SEA

1 stop13h 55mUnited Airlines

Tue 20/507:20SEA - LHR

1 stop15h 10mUnited Airlines

Deal found 22/4£466

Sun 4/509:30LHR - SEA

1 stop18h 07mLufthansa

Mon 19/512:45SEA - LHR

1 stop13h 40mLufthansa

Deal found 23/4£467

Thu 8/515:00LHR - SEA

2 stops37h 18mAustrian Airlines

Sun 11/508:10SEA - LHR

2 stops40h 10mAustrian Airlines

Deal found 24/4£467

Tue 3/619:30LHR - SEA

1 stop26h 20mScandinavian Airlines

Fri 13/616:00SEA - LHR

1 stop13h 35mScandinavian Airlines

Deal found 24/4£481

Mon 5/509:55LHR - SEA

1 stop14h 02mDelta

Mon 19/520:20SEA - LHR

Nonstop9h 55mDelta

Deal found 23/4£494

Tue 13/508:50LHR - SEA

1 stop16h 09mBritish Airways

Tue 27/520:20SEA - LHR

Nonstop9h 20mBritish Airways

Deal found 24/4£495

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£465

Mon 5/513:25LHR - SEA

Nonstop10h 20mVirgin Atlantic

Mon 19/517:35SEA - LHR

Nonstop9h 45mVirgin Atlantic

Deal found 24/4£472

Mon 5/513:25LHR - SEA

Nonstop10h 20mVirgin Atlantic

Mon 19/517:35SEA - LHR

Nonstop9h 45mVirgin Atlantic

Deal found 23/4£474

Mon 5/513:25LHR - SEA

Nonstop10h 20mVirgin Atlantic

Mon 19/517:35SEA - LHR

Nonstop9h 45mVirgin Atlantic

Deal found 23/4£475

Tue 13/517:25LHR - SEA

Nonstop10h 15mVirgin Atlantic

Tue 27/517:35SEA - LHR

Nonstop9h 45mVirgin Atlantic

Deal found 24/4£482

Mon 5/513:25LHR - SEA

Nonstop10h 20mVirgin Atlantic

Mon 19/517:35SEA - LHR

Nonstop9h 45mVirgin Atlantic

Deal found 23/4£490

Tue 6/517:25LHR - SEA

Nonstop10h 20mAir France

Tue 13/520:20SEA - LHR

Nonstop9h 55mAir France

Deal found 22/4£495

Mon 1/913:25LHR - SEA

Nonstop10h 20mVirgin Atlantic

Sun 21/917:35SEA - LHR

Nonstop9h 45mVirgin Atlantic

Deal found 24/4£496

Mon 5/517:25LHR - SEA

Nonstop10h 20mDelta

Mon 19/517:35SEA - LHR

Nonstop9h 45mDelta

Deal found 23/4£500

Mon 5/513:25LHR - SEA

Nonstop10h 20mDelta

Mon 19/517:35SEA - LHR

Nonstop9h 45mDelta

Deal found 24/4£501

Tue 6/513:25LHR - SEA

Nonstop10h 20mVirgin Atlantic

Tue 27/520:20SEA - LHR

Nonstop9h 55mVirgin Atlantic

Deal found 24/4£502

Mon 1/917:25LHR - SEA

Nonstop10h 25mVirgin Atlantic

Sun 21/920:25SEA - LHR

Nonstop9h 50mVirgin Atlantic

Deal found 23/4£503

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£474

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 30/417:25LHR - 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£473

Thu 1/508:40LHR - SEA

2 stops18h 57mMultiple Airlines

Fri 9/507:20SEA - LHR

1 stop15h 10mMultiple Airlines

Deal found 24/4£461

Thu 1/507:45LHR - SEA

2 stops20h 33mUnited Airlines

Fri 9/508:50SEA - LHR

1 stop16h 50mUnited Airlines

Deal found 23/4£473

Thu 1/509:30LHR - SEA

1 stop18h 07mUnited Airlines

Fri 9/505:05SEA - LHR

1 stop18h 20mUnited Airlines

Deal found 24/4£479

Thu 1/509:30LHR - SEA

1 stop18h 07mUnited Airlines

Fri 9/517:13SEA - LHR

2 stops19h 27mUnited Airlines

Deal found 23/4£482

Fri 2/509:30LHR - SEA

1 stop18h 07mLufthansa

Sat 10/514:40SEA - LHR

1 stop15h 30mLufthansa

Deal found 24/4£464

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.

Fri 12/914:10LHR - SEA

1 stop14h 19mWestJet

Deal found 23/4£405

Sun 7/914:10LHR - SEA

1 stop30h 49mWestJet

Deal found 23/4£406

Wed 30/407:40LHR - SEA

1 stop17h 19mAer Lingus

Deal found 24/4£407

Thu 1/506:05LTN - SEA

3 stops45h 46mMultiple Airlines

Deal found 24/4£407

Tue 24/614:10LHR - SEA

3 stops31h 59mWestJet

Deal found 23/4£407

Sun 29/619:55LGW - SEA

3 stops25h 03mMultiple Airlines

Deal found 24/4£408

Sun 29/618:55LTN - SEA

3 stops26h 03mMultiple Airlines

Deal found 23/4£408

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£410

Thu 1/507:35STN - SEA

3 stops37h 21mMultiple Airlines

Deal found 24/4£411

Mon 19/520:50LHR - SEA

2 stops33h 10mMultiple Airlines

Deal found 23/4£411

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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.