When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 49 days in advance, which can save you up to 24% on flights from London Stansted Airport to Seattle compared to booking the week you need them. Waiting 49 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £565. For sooner than that we have options available in the next 3 days from £694.
Flights from London Stansted Airport to Seattle lean towards being more expensive in July. Prices are generally better when you fly from London Stansted Airport to Seattle in February, with the cheapest ticket starting at £349.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Stansted Airport to Seattle as you normally would.
Fly from
Fly to
Budget
£732 - £891
Route
Depart
Return
Price
London StanstedSeattle/Tacoma Intl
STN - SEA
STNSEA
London Stansted
Thu 12/9
1 stop14h 15m
Seattle/Tacoma Intl
Sun 22/9
2 stops18h 15m
London StanstedSeattle/Tacoma Intl
STN - SEA
STNSEA
London Stansted
Tue 15/10
1 stop14h 15m
Seattle/Tacoma Intl
Tue 29/10
2 stops21h 45m
London StanstedSeattle/Tacoma Intl
STN - SEA
STNSEA
London Stansted
Wed 15/5
2 stops16h 50m
Seattle/Tacoma Intl
Wed 22/5
2 stops16h 30m
London StanstedSeattle/Tacoma Intl
STN - SEA
STNSEA
London Stansted
Sat 18/5
3 stops29h 05m
Seattle/Tacoma Intl
Sat 25/5
3 stops32h 25m
London StanstedSeattle/Tacoma Intl
STN - SEA
STNSEA
London Stansted
Sat 1/6
3 stops29h 05m
Seattle/Tacoma Intl
Tue 11/6
3 stops28h 30m
London StanstedSeattle/Tacoma Intl
STN - SEA
STNSEA
London Stansted
Sun 19/5
3 stops29h 05m
Seattle/Tacoma Intl
Thu 23/5
3 stops29h 21m
London StanstedSeattle/Tacoma Intl
STN - SEA
STNSEA
London Stansted
Sun 19/5
3 stops29h 05m
Seattle/Tacoma Intl
Thu 23/5
3 stops29h 21m
London StanstedSeattle/Tacoma Intl
STN - SEA
STNSEA
London Stansted
Wed 15/5
1 stop16h 55m
Seattle/Tacoma Intl
Sun 26/5
3 stops33h 40m
London StanstedSeattle/Tacoma Intl
STN - SEA
STNSEA
London Stansted
Wed 2/10
1 stop14h 15m
Seattle/Tacoma Intl
Fri 18/10
2 stops19h 05m
No data available for this route at this time. Please check back soon.
Cheapflights helps you search for flights from Stansted to Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Seattle from Stansted.
Certainly. Search results for flights to Seattle from Stansted shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Yes, Cheapflights offers price alerts on Stansted to Seattle flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.