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$483+ Cheap flights from Stansted (STN) to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
STN — SEA
feb 11 — feb 181
ons 2/11
ons 2/18
1 adult, Economy
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Cheap flight deals from Stansted to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Stansted (STN) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated januari 12, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$534
(Mytrip)

One-way from

$483
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$644
Provider with most accurate pricing for London Stansted-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for London Stansted-Seattle/Tacoma Intl flights.
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From London Stansted to Seattle/Tacoma Intl
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One-way flight from London Stansted to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 13% potential increase in price ($109 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Stansted to Seattle

Cheapest flights from Stansted to Seattle
Explore the most affordable flight options available from Stansted to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on januari 12, 2026.

This Mytrip deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ons 2/258:30 am
STN
-
SEA
2 stops16h 30m
Multiple Airlines
ons 3/42:35 pm
SEA
-
STN
2 stops24h 15m
Multiple Airlines
Deal found 1/10$534
This Mytrip deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 2/246:30 am
STN
-
SEA
2 stops18h 30m
Multiple Airlines
tis 3/32:35 pm
SEA
-
STN
2 stops19h 45m
Multiple Airlines
Deal found 1/10$537
This Mytrip deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 1/276:30 am
STN
-
SEA
2 stops18h 30m
Multiple Airlines
lör 1/312:35 pm
SEA
-
STN
2 stops16h 15m
Multiple Airlines
Deal found 1/11$566
This Kiwi.com deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mån 3/98:40 am
STN
-
SEA
2 stops32h 53m
Multiple Airlines
ons 4/16:55 pm
SEA
-
STN
1 stop11h 40m
Multiple Airlines
Deal found 1/10$622
This Kiwi.com deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lör 3/76:30 am
STN
-
SEA
2 stops20h 48m
Multiple Airlines
mån 3/306:55 pm
SEA
-
STN
1 stop11h 45m
Multiple Airlines
Deal found 1/10$636
This Kiwi.com deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lör 3/76:30 am
STN
-
SEA
2 stops20h 48m
Multiple Airlines
ons 4/16:55 pm
SEA
-
STN
1 stop16h 35m
Multiple Airlines
Deal found 1/10$647
This Kiwi.com deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ons 3/119:45 pm
STN
-
SEA
2 stops28h 33m
Multiple Airlines
ons 4/16:55 pm
SEA
-
STN
1 stop11h 40m
Multiple Airlines
Deal found 1/10$655
This Kiwi.com deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tors 3/126:30 am
STN
-
SEA
2 stops19h 48m
Multiple Airlines
ons 4/16:55 pm
SEA
-
STN
1 stop16h 35m
Multiple Airlines
Deal found 1/10$666
This Mytrip deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lör 3/76:30 am
STN
-
SEA
3 stops34h 01m
Multiple Airlines
fre 3/134:10 pm
SEA
-
STN
2 stops24h 40m
Multiple Airlines
Deal found 1/11$688
This Kiwi.com deal was found by Cheapflights users on 1/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fre 9/186:40 am
STN
-
SEA
2 stops17h 20m
Multiple Airlines
tis 10/136:55 pm
SEA
-
STN
1 stop11h 50m
Multiple Airlines
Deal found 1/9$699
This Kiwi.com deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sön 5/38:30 am
STN
-
SEA
2 stops19h 58m
Multiple Airlines
mån 5/186:55 pm
SEA
-
STN
1 stop16h 30m
Multiple Airlines
Deal found 1/10$701

Cheapflights Fare Finder

 
Customize your flight search to find flights from Stansted to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated januari 12, 2026.
Use the filters below to find and compare flights from London Stansted Airport to Seattle that are best for you.

Fly from

Stansted

Fly to

Seattle

Route

Depart

Return

Price

LondonSeattle

STN - SEA

STNSEA

London Stansted

ons 2/25

8:30 am-5:00 pm

2 stops16h 30m

Seattle/Tacoma Intl

ons 3/4

2:35 pm-10:50 pm

2 stops24h 15m

$534

LondonSeattle

STN - SEA

STNSEA

London Stansted

lör 3/7

6:30 am-8:31 am

3 stops34h 01m

Seattle/Tacoma Intl

fre 3/13

4:10 pm-11:50 pm

3 stops24h 40m

$720

LondonSeattle

STN - SEA

STNSEA

London Stansted

sön 5/10

5:55 am-4:00 pm

2 stops18h 05m

Seattle/Tacoma Intl

tors 5/21

6:55 pm-11:20 pm

1 stop20h 25m

$766

LondonSeattle

STN - SEA

STNSEA

London Stansted

sön 3/15

5:55 am-9:31 am

2 stops34h 36m

Seattle/Tacoma Intl

sön 3/22

9:05 pm-4:35 pm

1 stop12h 30m

$770

LondonSeattle

STN - SEA

STNSEA

London Stansted

mån 4/27

12:05 pm-4:00 pm

2 stops35h 55m

Seattle/Tacoma Intl

mån 5/11

6:55 pm-9:20 pm

1 stop18h 25m

$778

LondonSeattle

STN - SEA

STNSEA

London Stansted

mån 2/16

7:10 am-10:16 pm

3 stops47h 06m

Seattle/Tacoma Intl

sön 3/15

8:10 am-12:15 am

3 stops33h 05m

$794

LondonSeattle

STN - SEA

STNSEA

London Stansted

tis 3/31

8:20 am-5:55 pm

2 stops17h 35m

Seattle/Tacoma Intl

tors 4/9

7:00 pm-10:45 pm

2 stops19h 45m

$854

LondonSeattle

STN - SEA

STNSEA

London Stansted

tis 2/3

5:55 am-9:15 am

3 stops35h 20m

Seattle/Tacoma Intl

ons 2/4

2:35 pm-5:40 pm

2 stops19h 05m

$864

LondonSeattle

STN - SEA

STNSEA

London Stansted

ons 3/25

2:45 pm-10:16 pm

2 stops38h 31m

Seattle/Tacoma Intl

sön 4/5

8:00 am-11:50 pm

3 stops31h 50m

$880

LondonSeattle

STN - SEA

STNSEA

London Stansted

mån 3/30

12:00 pm-8:40 pm

2 stops16h 40m

Seattle/Tacoma Intl

sön 4/12

3:40 pm-5:15 pm

2 stops17h 35m

$881

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Showing 1-10 of 19 results
1
2

Compare providers for flights from Stansted to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Stansted to Seattle in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London Stansted Airport-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on London Stansted Airport-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from London Stansted Airport-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Stansted Airport-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Stansted Airport-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Stansted to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from London Stansted to Seattle. 0 airlines have flights to Seattle/Tacoma Intl from London Stansted on a regular basis. Booking flights from London Stansted to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 0 inbound flights from London Stansted per day.

  • 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 vacation 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Lynnwood
Edmonds
Renton
Puyallup
Kirkland
Kent
Tukwila
Marysville
Fife
Aberdeen
Shoreline
Centralia
Federal Way
Chehalis
Tumwater

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