Cheap Flights from Seattle, WA to London from $214

Return flight: London – Seattle
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On Cheapflightsplus.com you will find 2 connecting flights from Seattle to London. You can compare airfare deals from 1 airlines and multiple travel sites from $214, book and save on cheap plane tickets and last minute offers. Also check out SEA-LON flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Seattle to London Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $214 (one-way), $367 (round-trip).
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Best Flights from Seattle to London Today

Take a look at the list of non stop flights and flights with layovers from Seattle to London with the lowest price of $214. Take a look at the list of flights with layovers from Seattle to London from $214. There’re no direct flights. The fastest connecting flight – 21h 15m.
Price Departure Arrival Flight Duration Airline Flight
from $214
Find flight
07:25
Seattle
Seattle-Tacoma Intl
 12:40+1 день
London
Heathrow
 21h 15m
layover
1h 55m - Newark
4h 25m - Lisbon
 TAP Portugal
TP8561
TP202
TP1352
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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on February 22, 2025
Full flight schedule will help you in detecting at what time planes fly from Seattle to London. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
07:25 — 12:40
+1 day
07:12 — 15:32 TP8561 TAP Portugal
Seattle — Newark
1h 55m stop
17:45 — 05:55 TP202 TAP Portugal
Newark — Lisbon
4h 25m stop
09:45 — 12:40 TP1352 TAP Portugal
Lisbon — London
21h 15m
including layover
Find flight
from$214
07:25 — 22:40
+1 day
07:12 — 15:32 TP8561 TAP Portugal
Seattle — Newark
1h 55m stop
19:55 — 07:45 TP202 TAP Portugal
Newark — Lisbon
14h 25m stop
20:20 — 22:55 TP1366 TAP Portugal
Lisbon — London
31h 15m
including layover
Find flight
from$214
*Departure and arrival times - local. Updated on February 22, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Seattle to London depends on and how to choose the most interesting flight option for you.

Distance between Seattle and London is 7714 miles. Time difference between the cities is 8h. Airplanes depart 07:25 to 07:25 from 3 Seattle airports and arrive 07:25 to 07:25 to 10 London airports. Average flight time is 26h 15m.

  • The fastest flight 21h 15m
  • Average flight time 26h 15m
  • The earliest flight 07:25
  • The latest flight 07:25
  • Distance 4794 ml

The cheapest months to travel to London are february (from 214 $), november (from 648 $).

What is the lowest airfare Seattle to London?

The cheapest plane ticket found by our users is $214. This airfare is for economy class on one-way TP8561 flight by TAP Portugal for February 24, 2025 which leaves Seattle-Tacoma Intl in Seattle at 07:25 am and arrives at London Heathrow at 22:40.

Economy class
$214
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Business class
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First class
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Popular Airlines on the Route

The flight Seattle — London is served by 1 regular airline . Most of the flights on this route are operated by TAP Portugal - 2 departures per week at the price of from $ 214 . And the most expensive tickets are offered by TAP Portugal airline - from $ 214.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 2 flights with layovers on the route. The fastest connecting flight is TP8561 by TAP Portugal takes 21h 15m and the cheapest is TP8561 by TAP Portugal for $214.

  • TP - TAP Portugal
    from $214
    Find
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Airports

You can fly from Seattle to London from 3 airports (Boeing Field International Airport, Seattle-Tacoma Intl, Kenmore Air Harbor SPB).

Seattle airports

  • Boeing Field International Airport-BFI
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  • Seattle-Tacoma Intl-SEA
    from $214
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  • Kenmore Air Harbor SPB-LKE
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London airports

  • London City-LCY
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  • London-Waterloo-QQW
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  • Heathrow-LHR
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  • Luton-LTN
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  • British Rail Terminal-ZLX
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  • London Biggin Hill-BQH
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  • Stansted-STN
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  • Gatwick-LGW
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  • Ebbsfleet International Rail St-XQE
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  • Stratford International Rail St-XOF
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Airplanes

There are flights to London from Seattle by 1 airlines that use 1 aircraft brands. They range from huge modern airplanes to small-sized.

  • Boeing 737-800
    from $214
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Top Domestic Destinations from Seattle

You may also consider searching for discounted plane tickets to some other popular places from Seattle within United States.

Top International Destinations from Seattle

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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