Finnair London to Seattle Flights

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Cheapflightsplus.com will find cheap Finnair flights from London to Seattle. Compare airline ticket prices and book air tickets starting from $1 684 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of Finnair, arrivals and departure details below.

Find Cheap Airfare London — Seattle (WA) by Finnair

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in january: one-way - $1684, two-way – $2888.
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Cheap Flights from London to Seattle by Finnair

Look at the list of plane tickets for the most popular direct flights by Finnair, their prices start from $1 684. The fastest nonstop flight takes 9h 55m. There’re no connecting flights.
Price Departure Arrival Flight Time Airline Flight
from $1684
Find flight
3:00 pm
London
Heathrow
 4:55 pm
Seattle
Seattle-Tacoma Intl
 9h 55m Finnair
AY5449
from $1744
Find flight
9:25 am
London
Heathrow
 11:20 am
Seattle
Seattle-Tacoma Intl
 9h 55m Finnair
AY5451
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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 12/22/2024
Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.
Departure Arrival Flight Details Flight Time Price
3:00 pm — 4:55 pm
3:00 pm — 4:55 pm AY5449 Finnair
London — Seattle
9h 55m
Find flight
from$1684
9:25 am — 11:20 am
9:25 am — 11:20 am AY5451 Finnair
London — Seattle
9h 55m
Find flight
from$1744
*Departure and arrival times are local. Last updated on 12/22/2024

Flight Information

There are 2 flights by Finnair from London to Seattle every week with departures from Gatwick, London City, Heathrow, Luton, Stansted, Stratford International Rail St, Ebbsfleet International Rail St, London Biggin Hill, London-Waterloo, British Rail Terminal. All flights arrive at Seattle-Tacoma Intl, Boeing Field International Airport, Kenmore Air Harbor SPB.

Departures start from 3:00 pm to 9:25 am. Nonstop flight is 9h 55m. The time difference between London and Seattle is 8h.

  • The fastest flight 9h 55m
  • Average flight time 9h 55m
  • The earliest flight 3:00 pm
  • The latest flight 9:25 am
  • Distance 4794 ml

The cheapest months for traveling to Seattle are january (from 1 684 $), february (from 1 744 $), november (from 2 983 $).

The most expensive and popular months are december (from 2 983 $), november (from 2 983 $), february (from 1 744 $).

The cheapest flight by Finnair that our users were able to find is $1 684. This airfare is economy class on one-way AY5449 flight for January 22, 2025 leaving Heathrow in London at 3:00 pm, it includes all taxes and additional fees.

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Finnair Airplanes on the Route

List of the most popular Finnair airplanes flying from London to Seattle:

Other Popular Airlines on the Route

Besides Finnair there are other 32 airline carriers between London and Seattle. Please review schedules and prices from the most popular airlines to find the best airfare deals from London to Seattle.

Nonstop flights

There are 7 direct flights every day from London. Airlines and fares are below:

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Connecting Flights

List of flights with layovers (1 and more stops):

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How to book an air 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 airfare.
  • 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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