App
Help
NZD
Search Bookings
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Latest Flight Deals from London to Seattle

Book one-way or return flights from London to Seattle from as little as NZD 744. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip
      • LGW06:00
        22h 35m
        1 stop
        SEA20:35
        Wed, May 15|London - Seattle|easyJet
        NZD 744NZD 1,265
        41% OFF
        41% OFF
        NZD 1,265NZD 744
      • LHR14:10
        12h 35m
        1 stop
        SEA18:45
        Sat, May 4|London - Seattle|WestJet
        NZD 795NZD 1,265
        37% OFF
        37% OFF
        NZD 1,265NZD 795
      • LGW06:00
        19h 40m
        1 stop
        SEA17:40
        Wed, Jun 19|London - Seattle|easyJet
        NZD 809NZD 1,265
        36% OFF
        36% OFF
        NZD 1,265NZD 809
      • LHR14:10
        14h 10m
        1 stop
        SEA20:20
        Sat, May 11|London - Seattle|WestJet
        NZD 813
        NZD 813
      • LHR21:25
        21h 55m
        1 stop
        SEA11:20
        Fri, Jun 7|London - Seattle|Icelandair
        NZD 823
        NZD 823
      • LHR07:55
        20h 40m
        1 stop
        SEA20:35
        Wed, May 15|London - Seattle|British Airways
        NZD 855
        NZD 855
      • LHR13:55
        14h 25m
        1 stop
        SEA20:20
        Mon, Jun 10|London - Seattle|WestJet
        NZD 857
        NZD 857
      • LHR14:10
        30h 46m
        1 stop
        SEA12:56
        Sun, May 5|London - Seattle|WestJet
        NZD 858
        NZD 858
      • LHR07:15
        21h 20m
        1 stop
        SEA20:35
        Tue, Jun 4|London - Seattle|British Airways
        NZD 876
        NZD 876
      • LHR14:10
        30h 46m
        1 stop
        SEA12:56
        Fri, May 3|London - Seattle|WestJet
        NZD 878
        NZD 878
      • LON13:00
        3h 5m
        Direct
        SEA14:00
        Sun, May 5|London - Seattle|easyJet
        Find More Flights
        Find More Flights

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

Searching for the best last minute flight from London to Seattle? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from London to Seattle. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from London to Seattle

View airlines operating flights from London to Seattle. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Norse Atlantic Airways
From NZD 386
easyJet
From NZD 608
Norwegian Air Sweden
From NZD 608
Norwegian Air Shuttle ASA
From NZD 609
Scandinavian Airlines
From NZD 622
Jet2.com
From NZD 644
Vueling Airlines
From NZD 681
PLAY Airline
From NZD 691
Ryanair
From NZD 705
ITA Airways
From NZD 716
ANA airlines

Find more flights and airlines

Alternative Routes from London to Seattle

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from London to Seattle.

  • Cheapest
    Norse Atlantic Airways
    LGW
    10:45
    34h 12m
    1 transfer
    SEA
    12:57
    London Gatwick Airport - Seattle-Tacoma International Airport
    Tue, May 21Norse Atlantic Airways
    NZD 386
  • easyJet
    LTN
    06:00
    14h 56m
    2 transfer
    SEA
    12:56
    London Luton Airport - Seattle-Tacoma International Airport
    Mon, Jun 24easyJet
    NZD 608
  • Scandinavian Airlines
    LHR
    06:40
    21h 55m
    2 transfer
    SEA
    20:35
    London Heathrow Airport - Seattle-Tacoma International Airport
    Wed, May 29Scandinavian Airlines
    NZD 622
  • Scandinavian Airlines
    LHR
    06:40
    21h 55m
    2 transfer
    SEA
    20:35
    London Heathrow Airport - Seattle-Tacoma International Airport
    Wed, May 29Scandinavian Airlines
    NZD 622
    Find More Flights

How do I find the cheapest flights?

  • 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 NZD 2,231.

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

    It takes around 9 hours 56 minutes 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 17km. 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 Information from London to Seattle

Cheapest nonstop flight price

NZD 744

Cheapest round-trip ticket price

NZD 1,019

Off-season for travel

May

Peak season for travel

October

Flight distance

7,711.56km

Average flight time

9 hours 56 minutes

Popular airline

Finnair

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2024 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.