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Cheap flights from London Stansted Airport to Seattle from £393

STN — SEA
2 Nov — 9 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Stansted to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Stansted to Seattle

Mon 21/1222:35 -
2 stops26h 25m
Tue 5/114:35 -
2 stops23h 15m
Deal found 28/9£529
Wed 4/1108:15 -
2 stops16h 45m
Wed 11/1114:35 -
2 stops25h 10m
Deal found 30/9£532
Mon 23/1106:10 -
2 stops17h 45m
Sun 29/1115:00 -
2 stops19h 15m
Deal found 29/9£535
Mon 21/1208:20 -
2 stops16h 40m
Sat 9/114:35 -
2 stops24h 30m
Deal found 30/9£576
Thu 22/1007:20 -
2 stops21h 20m
Thu 5/1114:35 -
2 stops23h 20m
Deal found 30/9£581
Mon 5/1006:30 -
1 stop18h 40m
Sun 18/1019:10 -
1 stop13h 40m
Deal found 28/9£584
Thu 5/1112:25 -
2 stops32h 35m
Mon 9/1107:45 -
3 stops22h 05m
Deal found 2/10£588
Thu 8/1006:25 -
2 stops17h 35m
Tue 13/1018:05 -
2 stops22h 05m
Deal found 30/9£591
Mon 16/1106:05 -
2 stops17h 50m
Mon 23/1117:50 -
2 stops19h 40m
Deal found 2/10£594
Thu 8/1006:30 -
1 stop18h 40m
Wed 21/1019:10 -
1 stop20h 10m
Deal found 29/9£603

Find flight deals from Stansted to Seattle

Round-trip from

£529

One-way from

£393

Popular in

August

Cheapest in

February

Average price

£552
21/12-5/1
  • 21/12-5/1
  • 4 total stops
  • 49h 40m total
  • London to Seattle
Search Deals
2/12-31/12
  • 2/12-31/12
  • 3 total stops
  • 47h 09m total
  • London to Seattle
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£30 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Stansted Airport to Seattle that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest return flight

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Sat 14/11

07:30-18:54

2 stops43h 24m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£408

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Mon 12/10

22:45-18:45

2 stops28h 00m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£435

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Thu 22/10

06:30-17:55

2 stops19h 25m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£476

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Sun 13/12

06:20-20:59

2 stops22h 39m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£552

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Tue 17/11

20:50-14:37

3 stops25h 47m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£591

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Sat 10/10

09:05-18:45

3 stops41h 40m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£591
Fastest return journey

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Sun 29/11

06:10-17:00

2 stops18h 50m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£624

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Tue 27/10

17:20-15:32

2 stops29h 12m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£758

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Wed 30/12

10:55-16:19

2 stops37h 24m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£758

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Mon 16/11

10:55-23:07

2 stops44h 12m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£759

Flights are sorted by cheapest return flights first.

Deals found on 27/9

Showing 1-10 of 19 resultsSorted by cheapest first
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Best time to book a flight from Stansted to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Stansted with our price prediction graph.
Estimated return price

Related info for your journey

  • What airport do you fly into for flights to Seattle from London Stansted?

    Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from London Stansted. On average, Seattle/Tacoma Intl has 0 inbound flights from London Stansted per day from 0 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • How long is the flight from London Stansted Airport to Seattle?

    For as low as £762, Turkish Airlines can have you in Seattle from London Stansted Airport in 44h 12m. The distance from London Stansted Airport to Seattle is about 4778 mi.

  • Can I find deals for flights from Stansted to Seattle that include hotel bookings?

    Yes. In addition to deals on Stansted to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Stansted to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to Seattle.

  • Can I find deals for business class flights from Stansted to Seattle?

    Yes. Cheapflights offers flight deals from Stansted to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Federal Way
SeaTac

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How does Cheapflights help users find flights from Stansted to Seattle?

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.

Why should you use Cheapflights to find cheap flight tickets from Stansted to Seattle?

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.

Can Cheapflights find flights from Stansted to Seattle with no change fees?

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.

Can Cheapflights notify me if prices for flights from Stansted to Seattle become cheaper?

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.

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