Search & Compare - Seattle to London Flights & Tickets

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Cheap flights from Seattle to London: SEA to LHR Flights

Looking for a cheap last-minute deal or the best round-trip flight from Seattle to London? Find the biggest savings on one-way and round-trip tickets right here.

Recent airfare deals on Seattle to London

WestJet Airlines  WS
WestJet Airlines
Seattle
2024-04-03
London
USD 446

One-way WS Economy fare found on 2023-12-22
WestJet Airlines  WS
WestJet Airlines
Seattle
2024-04-03
London
USD 446

One-way WS Economy fare found on 2023-12-22
JetBlue Airways  B6
JetBlue Airways
Seattle
2024-04-03
London
USD 457

One-way B6 Economy fare found on 2023-12-22
JetBlue Airways  B6
JetBlue Airways
Seattle
2024-04-03
London
USD 457

One-way B6 Economy fare found on 2023-12-22
JetBlue Airways  B6
JetBlue Airways
Seattle
2024-04-03
London
USD 457

One-way B6 Economy fare found on 2023-12-22
JetBlue Airways  B6
JetBlue Airways
Seattle
2024-04-03
London
USD 457

One-way B6 Economy fare found on 2023-12-22
JetBlue Airways  B6
JetBlue Airways
Seattle
2024-04-03
London
USD 509

One-way B6 Economy fare found on 2023-12-22
JetBlue Airways  B6
JetBlue Airways
Seattle
2024-04-03
London
USD 509

One-way B6 Economy fare found on 2023-12-22
JetBlue Airways  B6
JetBlue Airways
Seattle
2024-04-03
London
USD 509

One-way B6 Economy fare found on 2023-12-22
JetBlue Airways  B6
JetBlue Airways
Seattle
2024-04-03
London
USD 509

One-way B6 Economy fare found on 2023-12-22


*Prices are per person and are for e-tickets and include all taxes & fees in USD.
*Fareleaders always attempts to get accurate pricing, however, prices are not guaranteed.
*Fareleaders is not seller, we aggregate tones of data for you from other online travel agencies and external sources.

Facts to know while booking flights from Seattle to London

What are the airports in Seattle?
SEA
What’s the most popular airline flying from SEA to LHR?
The most popular airline flying from Seattle to London are Icelandair, JetBlue Airways, WestJet Airlines, United Airlines, Delta Airlines
Can I fly from SEA to LHR non-stop?
Yes, you can fly SEA to LHR non-stop on Delta Airlines
Which airlines fly nonstop between Seattle and London?
The non-stop flights between Seattle and London are Delta Airlines.
What’s the earliest departure time from SEA to LHR Airport?
The earliest flight leaves SEA at 8:15 am and lands in LHR - London Heathrow
What are the airports in London?
LHR
Can I make changes to my Seattle to London flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from SEA to LHR?
Read the fare rules of the Seattle to London air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Seattle and London?
NULL, NULL, NULL, Star Alliance, SkyTeam operate flights between Seattle and London
How long does a flight from Seattle to London take?
It takes approximately 10 hour to fly non-stop from SEA to LHR, which is 4800.22 miles by air.
Which airlines provide the cheapest flights from Seattle (SEA) to London (LHR) ?
In the past couple of days, the cheapest tickets to LHR from SEA were found on WestJet Airlines : USD 446
Do I need a passport to fly between SEA and LHR?
Yes
What’s the latest departure time from SEA to LHR ?
The last flight leaves SEA at 11:59 pm

Flights from Seattle to London

Origin AirportSeattle Tacoma International , Seattle, US
Destination AirportLondon Heathrow , London, GB
Served by AirlinesIcelandair, JetBlue Airways, WestJet Airlines, United Airlines, Delta Airlines
Lowest PriceWestJet Airlines : USD 446
Distance4800 miles

Airlines Flying from Seattle Tacoma International

Popular Routes

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