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Cheap flights from Seattle to London Stansted Airport from $308

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to London Stansted Airport departing on 1/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to London

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to London that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to London.

Cheap last minute flights

Planning a quick getaway from Seattle to London? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to London

Find recent round-trip train or bus tickets from Seattle to London.

All round-trip flight deals to London

The cheapest plane tickets to London found on KAYAK recently.
8:00 pm - 8:10 pmSEA-STN
16h 10m1 stop
6:35 am - 6:15 pmSTN-SEA
19h 40m1 stop
Fri, Nov 29 - Fri, Dec 13
6:00 am - 12:10 amSEA-STN
34h 10m2 stops
8:15 am - 6:15 pmSTN-SEA
18h 00m1 stop
Thu, Dec 5 - Wed, Dec 11
8:00 pm - 8:10 pmSEA-STN
16h 10m1 stop
8:15 am - 6:15 pmSTN-SEA
18h 00m1 stop
Fri, Dec 6 - Sun, Dec 15
2:35 pm - 7:05 pmSEA-STN
20h 30m2 stops
4:00 pm - 5:00 pmSTN-SEA
33h 00m2 stops
Fri, Dec 6 - Sun, Dec 8
2:35 pm - 3:50 pmSEA-STN
17h 15m2 stops
4:00 pm - 5:00 pmSTN-SEA
33h 00m2 stops
Thu, Dec 5 - Sun, Dec 8
2:35 pm - 7:05 pmSEA-STN
20h 30m2 stops
8:25 am - 5:00 pmSTN-SEA
16h 35m2 stops
Mon, Dec 2 - Fri, Dec 6
2:35 pm - 3:50 pmSEA-STN
17h 15m2 stops
4:00 pm - 5:00 pmSTN-SEA
33h 00m2 stops
Thu, Dec 5 - Sun, Dec 8
2:35 pm - 7:00 pmSEA-STN
20h 25m2 stops
4:00 pm - 5:00 pmSTN-SEA
33h 00m2 stops
Sun, Dec 1 - Sun, Dec 8
2:25 pm - 7:00 pmSEA-STN
20h 35m2 stops
4:00 pm - 5:00 pmSTN-SEA
33h 00m2 stops
Sun, Dec 1 - Sun, Dec 8
8:00 pm - 4:35 pmSEA-STN
12h 35m1 stop
8:15 am - 6:15 pmSTN-SEA
18h 00m1 stop
Wed, Dec 4 - Wed, Dec 11
3:15 pm - 7:00 amSEA-STN
31h 45m3 stops
Fri, Jan 10
3:15 pm - 9:40 pmSEA-STN
22h 25m3 stops
Thu, Jan 23
3:15 pm - 11:00 pmSEA-STN
23h 45m3 stops
Thu, Jan 9
7:00 am - 10:00 amSEA-STN
19h 00m2 stops
Tue, Dec 10
3:50 pm - 8:35 pmSEA-STN
20h 45m2 stops
Tue, Jan 14
7:00 am - 10:00 amSEA-STN
19h 00m2 stops
Thu, Dec 12
8:00 am - 5:05 pmSEA-STN
49h 05m3 stops
Tue, Dec 3
7:42 am - 7:00 amSEA-STN
39h 18m3 stops
Wed, Jan 15
2:35 pm - 9:25 pmSEA-STN
22h 50m3 stops
Wed, Jan 8
2:35 pm - 6:20 pmSEA-STN
19h 45m3 stops
Sun, Jan 26
2:35 pm - 8:35 pmSEA-STN
22h 00m2 stops
11:00 am - 5:00 pmSTN-SEA
14h 00m1 stop
$1,128
Find Deal
Sun, Nov 17 - Thu, Nov 28
8:00 pm - 11:20 pmSEA-STN
19h 20m1 stop
6:30 am - 6:15 pmSTN-SEA
19h 45m1 stop
$1,174
Find Deal
Sun, Nov 17 - Mon, Dec 9
2:35 pm - 5:00 pmSEA-STN
18h 25m2 stops
11:00 am - 5:00 pmSTN-SEA
14h 00m1 stop
$1,222
Find Deal
Sat, Nov 16 - Thu, Nov 28
2:35 pm - 8:35 pmSEA-STN
22h 00m2 stops
11:00 am - 5:00 pmSTN-SEA
14h 00m1 stop
$1,270
Find Deal
Mon, Nov 18 - Tue, Nov 26
5:20 pm - 11:45 amSEA-STN
34h 25m2 stops
11:00 am - 5:00 pmSTN-SEA
14h 00m1 stop
$1,311
Find Deal
Mon, Nov 18 - Sun, Nov 24
5:20 pm - 11:45 amSEA-STN
34h 25m2 stops
4:00 pm - 5:00 pmSTN-SEA
33h 00m2 stops
$1,328
Find Deal
Mon, Nov 18 - Sun, Nov 24
2:35 pm - 8:35 pmSEA-STN
22h 00m2 stops
11:00 am - 5:00 pmSTN-SEA
14h 00m1 stop
$1,438
Find Deal
Sun, Nov 17 - Tue, Nov 19
2:35 pm - 8:35 pmSEA-STN
22h 00m2 stops
9:05 am - 5:00 pmSTN-SEA
15h 55m2 stops
$1,496
Find Deal
Mon, Nov 18 - Wed, Nov 20
2:35 pm - 8:35 pmSEA-STN
22h 00m2 stops
9:05 pm - 6:15 pmSTN-SEA
29h 10m2 stops
$1,544
Find Deal
Sun, Nov 17 - Tue, Nov 19
2:35 pm - 7:05 pmSEA-STN
20h 30m2 stops
8:35 am - 5:00 pmSTN-SEA
16h 25m2 stops
$1,572
Find Deal
Mon, Nov 18 - Sun, Nov 24

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 is the cheapest time to fly from Seattle to London Stansted Airport?

Seattle to London Stansted Airport flights are currently only available at noon

Can stopping save me money on Seattle to London Stansted Airport flights?

You could potentially save up to 11% on your flight if you consider stops on a Seattle to London Stansted Airport flight.

When to book flights from Seattle to London Stansted Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to London Stansted Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Best Price Found

$308

Fastest flight time

11h 35m

Direct flights

None
The best one-way flight to London Stansted Airport from Seattle in the past 72 hours is $308. The best round-trip flight deal from Seattle to London Stansted Airport found on momondo in the last 72 hours is $619.
The fastest flight from Seattle to London Stansted Airport takes 11h 35m
There are no direct flights from Seattle to London Stansted Airport. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - 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 11h 35m, 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.


Why 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.


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