Cheap flights from London Heathrow to Seattle, WA, United States (LHR - SEA)

As a rule, buying flight tickets from London Heathrow to Seattle, WA expends a lot. Using our service of searching for cheap flight tickets, you will be able to save a significant sum of money! We will help tip to buy flight tickets from London Heathrow to Seattle, WA at the most favorable prices.

Out service helps you to find tickets from London Heathrow to Seattle, WA in the most reliable travel agencies and booking systems, including all the airline companies. We don't sell tickets and don't do any surcharges, we just find the best offers - you choose yourself where you want to buy flight tickets London Heathrow - Seattle, WA at the best price!

We also recommend you to look through the prices for return tickets from Seattle, WA to London Heathrow.

Flights price per day for January 2025

London - Seattle, WA
3 stops
A$1 754
London - Seattle, WA
A$1 573
London - Seattle, WA
A$1 573
London - Seattle, WA
A$1 573
London - Seattle, WA
A$1 573
London - Seattle, WA
4 stops
A$1 394
London - Seattle, WA
A$1 097
London - Seattle, WA
2 stops
A$799
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Airfares found by our users in the past 24 hours

The cheapest flight from London Heathrow to Seattle, WA is A$1 908 on British Airways, departing on 20.07.2025 and returning on 28.07.2025.
The price for these dates could change. Use search to get the best price.
AirlineDeparture dateReturn datePrice
British Airways20.07.202528.07.2025from A$1 908

Average round-trip airfares from London Heathrow to Seattle, WA by months

MonthRound-Trip
December 2024find now
January 2025find now
February 2025find now
March 2025find now
April 2025find now
May 2025find now
June 2025find now
July 202520.07 - 28.07from A$1 908
August 2025find now
September 2025find now
October 2025find now
November 2025find now

The price which were found by our clients for the latest several days. Given ticket prices could change. It's connected with the presence of flight tickets while booking.

Airlines are flying from London Heathrow to Seattle, WA

American Airlines
Find Flights to Seattle, WA