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Cheap flight deals from London to Seattle Starting at PHP 21,112

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip
      • Cheapest nonstop
        LHR03:00 pm
        9h 55m
        Nonstop
        SEA05:55 pm
        Wed, Mar 19|London - Seattle|British Airways
        PHP 43,543PHP 59,047
        26% OFF
        26% OFF
        PHP 59,047PHP 43,543

        Choose British Airways flights from London to Seattle. The one-way direct flight with British Airways departs from Heathrow Airport on Wed, Mar 19, arriving at Seattle-Tacoma International Airport. One-way Prices start from PHP 43,543 including taxes and charges.

      • LHR03:00 pm
        9h 55m
        Nonstop
        SEA04:55 pm
        Wed, Mar 5|London - Seattle|British Airways
        PHP 43,695PHP 59,047
        26% OFF
        26% OFF
        PHP 59,047PHP 43,695

        Choose British Airways flights from London to Seattle. The one-way direct flight with British Airways departs from Heathrow Airport on Wed, Mar 5, arriving at Seattle-Tacoma International Airport. One-way Prices start from PHP 43,695 including taxes and charges.

      • LHR02:50 pm
        31h 31m
        1 stop
        SEA02:21 pm
        Wed, Feb 26|London - Seattle|WestJet
        PHP 21,112PHP 59,047
        64% OFF
        64% OFF
        PHP 59,047PHP 21,112

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from Heathrow Airport on Wed, Feb 26, arriving at Seattle-Tacoma International Airport. One-way Prices start from PHP 21,112 including taxes and charges.

      • LHR02:50 pm
        31h 44m
        1 stop
        SEA02:34 pm
        Fri, Feb 21|London - Seattle|WestJet
        PHP 21,351
        PHP 21,351

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from Heathrow Airport on Fri, Feb 21, arriving at Seattle-Tacoma International Airport. One-way Prices start from PHP 21,351 including taxes and charges.

      • LHR02:50 pm
        12h 58m
        1 stop
        SEA07:48 pm
        Tue, Mar 4|London - Seattle|WestJet
        PHP 21,615
        PHP 21,615

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from Heathrow Airport on Tue, Mar 4, arriving at Seattle-Tacoma International Airport. One-way Prices start from PHP 21,615 including taxes and charges.

      • LHR02:50 pm
        30h 31m
        1 stop
        SEA02:21 pm
        Mon, Mar 17|London - Seattle|WestJet
        PHP 21,639
        PHP 21,639

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from Heathrow Airport on Mon, Mar 17, arriving at Seattle-Tacoma International Airport. One-way Prices start from PHP 21,639 including taxes and charges.

      • LHR02:50 pm
        31h 31m
        1 stop
        SEA02:21 pm
        Thu, Feb 27|London - Seattle|WestJet
        PHP 21,799
        PHP 21,799

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from Heathrow Airport on Thu, Feb 27, arriving at Seattle-Tacoma International Airport. One-way Prices start from PHP 21,799 including taxes and charges.

      • LHR02:50 pm
        31h 31m
        1 stop
        SEA02:21 pm
        Mon, Mar 3|London - Seattle|WestJet
        PHP 22,407
        PHP 22,407

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from Heathrow Airport on Mon, Mar 3, arriving at Seattle-Tacoma International Airport. One-way Prices start from PHP 22,407 including taxes and charges.

      • LHR02:50 pm
        31h 44m
        1 stop
        SEA02:34 pm
        Fri, Feb 28|London - Seattle|WestJet
        PHP 22,527
        PHP 22,527

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from Heathrow Airport on Fri, Feb 28, arriving at Seattle-Tacoma International Airport. One-way Prices start from PHP 22,527 including taxes and charges.

      • LHR02:50 pm
        31h 31m
        1 stop
        SEA02:21 pm
        Wed, Mar 5|London - Seattle|WestJet
        PHP 22,991
        PHP 22,991

        Choose WestJet flights from London to Seattle. The one-way connecting flight with WestJet departs from Heathrow Airport on Wed, Mar 5, arriving at Seattle-Tacoma International Airport. One-way Prices start from PHP 22,991 including taxes and charges.

      • LON01:00 pm
        3h 5m
        Nonstop
        SEA02:00 pm
        Fri, Feb 28|London - Seattle|British Airways
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

London to Seattle Flight Time

Flight info.
Departure
Arrival
Weekly Schedule

  1. WS019

    WestJet

    02:50 pm

    LHR

    8.8h

    04:40 pm

    YYC

    SMTWTFS
    Search

  2. AS2226

    Alaska Airlines

    06:22 pm

    YYC

    1.8h

    07:10 pm

    SEA

    SMTWTFS

  3. AF1381

    Air France

    06:20 am

    LHR

    1.3h

    08:40 am

    CDG

    SMTWTFS
    Search

  4. AF3622

    Air France

    04:00 pm

    CDG

    10.4h

    05:25 pm

    SEA

    S-T-T-S

  5. U22643

    easyJet

    07:00 am

    LTN

    4.2h

    10:10 am

    KEF

    SMTWTFS
    Search

  6. FI681

    Icelandair

    04:50 pm

    KEF

    8.0h

    05:50 pm

    SEA

    SMTWTFS

  7. BA8761

    British Airways

    07:05 am

    LCY

    1.5h

    09:35 am

    FRA

    SMTWT--
    Search

  8. DE2034

    Condor Airlines

    11:40 am

    FRA

    10.8h

    02:25 pm

    SEA

    S------

  9. BA894

    British Airways

    07:35 am

    LHR

    3.3h

    10:55 am

    KEF

    SMTWTFS
    Search

  10. FI681

    Icelandair

    04:50 pm

    KEF

    8.0h

    05:50 pm

    SEA

    SMTWTFS

  11. BA902

    British Airways

    07:50 am

    LHR

    1.7h

    10:30 am

    FRA

    SMTWT-S
    Search

  12. DE2032

    Condor Airlines

    01:45 pm

    FRA

    10.3h

    03:05 pm

    SEA

    ---W-F-

  13. B62220

    Jetblue Airways

    08:15 am

    LHR

    7.9h

    11:08 am

    JFK

    SMTWTFS
    Search

  14. B6118

    Jetblue Airways

    06:15 am

    JFK

    1.3h

    07:30 am

    BOS

    SMTWTFS

  15. B6497

    Jetblue Airways

    07:44 pm

    BOS

    6.3h

    11:05 pm

    SEA

    SMTWTFS

  16. LH925

    Lufthansa

    08:30 am

    LHR

    1.6h

    11:05 am

    FRA

    SMTWTFS
    Search

  17. DE2032

    Condor Airlines

    01:45 pm

    FRA

    10.3h

    03:05 pm

    SEA

    ---W-F-

  18. OG801

    PLAY Airline

    11:40 am

    STN

    3.1h

    01:45 pm

    KEF

    SMTWTFS
    Search

  19. OG101

    PLAY Airline

    03:05 pm

    KEF

    6.6h

    05:40 pm

    BWI

    SMTWTFS

  20. AS379

    Alaska Airlines

    07:05 pm

    BWI

    5.9h

    10:00 pm

    SEA

    SMTWTFS

  21. OG801

    PLAY Airline

    11:40 am

    STN

    3.1h

    01:45 pm

    KEF

    SMTWTFS
    Search

  22. FI681

    Icelandair

    04:50 pm

    KEF

    8.0h

    05:50 pm

    SEA

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from London to Seattle?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from London (LON) to Seattle (SEA) the cheapest?

    Airlines adjust prices for flights from London to Seattle based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from London (LON) to Seattle (SEA) cost?

    According to Trip.com's data, the lowest price is around PHP 83,870.

  • How long does it take to fly from London (LON) to Seattle (SEA) and what is the distance?

    It takes around 10 hours 1 minute to fly from London (LON) to Seattle (SEA).

  • What is the transportation method from the main airport to downtown in Seattle?

    • The distance from Seattle-Tacoma International Airport to downtown is about 17 km. It takes about 30 minutes by taxi.

  • What are the most popular airlines that fly from London (LON) to Seattle (SEA)?

How to find a cheap flight from London to Seattle

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from London to Seattle. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | London to Seattle

Cheapest nonstop flight pricePHP 21,111
Cheapest round-trip ticket pricePHP 29,612
Off-season for travelMay
Peak season for travelNovember
Flight distance7,711.56 km
Average flight time10 hours 1 minute
Popular airlineFinnair

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