Find the cheapest flights from Seattle to London
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Turkish Airlines flights from Seattle to London Stansted Airport
Our best Turkish Airlines deals on Seattle to London Stansted Airport flight tickets
momondo Fare Finder
Use the filters below to find and compare flights from Seattle to London Stansted Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
SeattleLondon
SEA Seattle/Tacoma Intl - STN London Stansted
SEASTN
Seattle/Tacoma Intl
Thu 11/26
2:35 pm-11:15 pm
2 stops24h 40m
London Stansted
Thu 12/10
6:45 am-5:00 pm
2 stops18h 15m
SeattleLondon
SEA Seattle/Tacoma Intl - STN London Stansted
SEASTN
Seattle/Tacoma Intl
Tue 11/10
2:35 pm-6:05 pm
2 stops19h 30m
London Stansted
Thu 11/19
7:20 am-5:00 pm
2 stops17h 40m
SeattleLondon
SEA Seattle/Tacoma Intl - STN London Stansted
SEASTN
Seattle/Tacoma Intl
Wed 11/11
2:35 pm-11:20 pm
2 stops24h 45m
London Stansted
Wed 11/18
7:15 am-5:00 pm
2 stops17h 45m
SeattleLondon
SEA Seattle/Tacoma Intl - STN London Stansted
SEASTN
Seattle/Tacoma Intl
Sun 11/8
2:35 pm-2:55 pm
1 stop16h 20m
London Stansted
Mon 11/23
8:05 am-5:00 pm
1 stop16h 55m
SeattleLondon
SEA Seattle/Tacoma Intl - STN London Stansted
SEASTN
Seattle/Tacoma Intl
Sun 11/8
10:10 am-11:35 pm
3 stops29h 25m
London Stansted
Sat 11/21
7:20 pm-12:00 pm
2 stops24h 40m
SeattleLondon
SEA Seattle/Tacoma Intl - STN London Stansted
SEASTN
Seattle/Tacoma Intl
Sun 11/8
10:10 am-11:35 pm
3 stops29h 25m
London Stansted
Sat 11/21
7:20 pm-12:00 pm
2 stops24h 40m
SeattleLondon
SEA Seattle/Tacoma Intl - STN London Stansted
SEASTN
Seattle/Tacoma Intl
Sun 11/8
1:50 pm-11:35 pm
2 stops25h 45m
London Stansted
Sat 11/21
7:20 pm-12:00 pm
2 stops24h 40m
SeattleLondon
SEA Seattle/Tacoma Intl - STN London Stansted
SEASTN
Seattle/Tacoma Intl
Sun 11/8
10:10 am-11:35 pm
3 stops29h 25m
London Stansted
Sat 11/21
7:20 pm-12:00 pm
2 stops24h 40m
SeattleLondon
SEA Seattle/Tacoma Intl - STN London Stansted
SEASTN
Seattle/Tacoma Intl
Wed 12/2
2:35 pm-3:15 pm
2 stops16h 40m
London Stansted
Wed 12/9
7:15 am-5:00 pm
2 stops17h 45m
SeattleLondon
SEA Seattle/Tacoma Intl - STN London Stansted
SEASTN
Seattle/Tacoma Intl
Sun 11/8
1:50 pm-11:35 pm
2 stops25h 45m
London Stansted
Sat 11/21
7:20 pm-12:00 pm
2 stops24h 40m
See travel insights to London from
How to get the cheapest flight ticket from Seattle to London Stansted Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
When to book flights from Seattle to London Stansted Airport
Cheap Seattle to London Stansted Airport (SEA to STN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to London Stansted Airport
Frequently asked questions about flying from Seattle to London Stansted Airport
How far is Seattle/Tacoma Intl to London Stansted by plane?
There are 4769.5 mi between Seattle/Tacoma Intl and London Stansted. Flights usually cover this in 16h 00m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to London Stansted Airport?
Prices for flights from Seattle/Tacoma Intl Airport to London Stansted Airport are updated daily.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to London Stansted Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to London Stansted Airport.
What documentation or ID do you need to fly to London Stansted Airport?
The travel and health documents you'll need for your trip to London Stansted Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Stansted Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Traveling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Seattle to London?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Seattle.
Can I find flights from Seattle to London with flexible booking policies on momondo?
All flight searches from Seattle to London on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Seattle to London?
Once you have performed a search for Seattle to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Seattle to London right now. Can momondo alert me if prices change?
Price alerts on flights to London from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.