Cheap flights from London, United Kingdom to Seattle, WA

Flights starting at £230. Choose between United Airlines, American Airlines, or Alaska Airlines to find the best price.

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Cheapest one-way trip

Cheapest nonstop round-trip

Cheapest round-trip

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Nonstop flights in September

One-way trips

Round trips

London LHRSeattle SEA
£492
London LHRSeattle SEA
£492
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Travelers usually depart from Gatwick, Heathrow, London Stansted, Luton, or London City when they travel from London to Seattle. Book your trip to arrive at Seattle–Tacoma International, Seattle, WA - King Street Station, Seattle, WA - Greyhound Station, Seattle, WA - Ferry Terminal, or Seattle, WA - University of Washington. The distance between London and Seattle is 7709 km. The most popular airlines for this route are United Airlines, American Airlines, Alaska Airlines, Iberia Airlines, and easyJet. London and Seattle have 397 direct flights per week.

Weekly direct flights

Discover the top airlines offering direct flights from London to Seattle in the next month. You’ll find the number of daily direct flights per airline in the table.

Weekly direct flights for Mon 18.09 - Sun 24.09

AirlineMon 18.09Tue 19.09Wed 20.09Thu 21.09Fri 22.09Sat 23.09Sun 24.09
122---323
131---31---
------------------1
---------------------
---------------------

Weekly direct flights for Mon 25.09 - Sun 01.10

AirlineMon 25.09Tue 26.09Wed 27.09Thu 28.09Fri 29.09Sat 30.09Sun 01.10
3333223
22---1---21
------------1---1
---------1---1---
---------------------

Weekly direct flights for Mon 02.10 - Sun 08.10

AirlineMon 02.10Tue 03.10Wed 04.10Thu 05.10Fri 06.10Sat 07.10Sun 08.10
2333132
2---22211
Virgin Atlantic Airways
---222222
---1---11------
---------------------

Weekly direct flights for Mon 09.10 - Sun 15.10

AirlineMon 09.10Tue 10.10Wed 11.10Thu 12.10Fri 13.10Sat 14.10Sun 15.10
3333332
2211211
2222222
---------------------
---------------------

Check-in for a flight from London to Seattle

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
United AirlinesUALUAYesNo
American AirlinesAALAANoNo
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight
Iberia AirlinesIBEIBYesOpens 24 days before flight
Closes 3 hours before flight
easyJetEZYU2NoOpens 720 days before flight
Closes 2 hours before flight

Seattle travel tips

1) Check out helpful electric cars at the airport in Seattle
2) Is the Olympic Sculpture Park cool or weird? You are to check
3) Have a go with craft beer in Seattle

United States COVID-19 travel restrictions

Your trip summary

Departure

Travel restrictions
  • Travel is allowed
  • Proof of pre-departure COVID-19 test is not required
  • Quarantine is not required
Visa requirements
  • Electronic Travel Authorization (ESTA)

Return

Travel restrictions
  • Travel is allowed
  • Proof of pre-departure COVID-19 test is not required
  • Quarantine is not required
Visa requirements
  • Electronic Travel Authorization (ESTA)

Frequently asked questions

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Airports near Seattle

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