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Stansted

$327+ Cheap flights from Seattle (SEA) to Stansted (STN)

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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STN
Jul 18 — Jul 251
Sat 7/18
Sat 7/25
1 adult, Economy
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Cheap flight deals from Seattle to Stansted

Cheapest flights from Seattle to Stansted
Explore the most affordable flight options available from Seattle to Stansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2026.

This Mytrip deal was found by Cheapflights users on 6/17. 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.
Thu 8/2011:25 pm
SEA
-
STN
2 stops17h 05m
Multiple Airlines
Wed 9/27:00 am
STN
-
SEA
2 stops18h 55m
Multiple Airlines
Deal found 6/17$865
This Mytrip deal was found by Cheapflights users on 6/15. 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.
Mon 8/1010:45 am
SEA
-
STN
3 stops27h 40m
Multiple Airlines
Thu 8/1310:05 pm
STN
-
SEA
3 stops43h 35m
Multiple Airlines
Deal found 6/15$872
This Mytrip deal was found by Cheapflights users on 6/13. 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.
Wed 9/23:40 pm
SEA
-
STN
2 stops17h 30m
Multiple Airlines
Wed 9/97:00 am
STN
-
SEA
2 stops18h 55m
Multiple Airlines
Deal found 6/13$874
This Booking.com deal was found by Cheapflights users on 6/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:15 pm
SEA
-
STN
1 stop30h 40m
Turkish Airlines
Tue 10/65:35 pm
STN
-
SEA
1 stop31h 45m
Turkish Airlines
Deal found 6/13$875
This Mytrip deal was found by Cheapflights users on 6/14. 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.
Tue 8/117:00 pm
SEA
-
STN
2 stops21h 10m
Multiple Airlines
Tue 8/187:10 am
STN
-
SEA
2 stops18h 45m
Multiple Airlines
Deal found 6/14$876
This Mytrip deal was found by Cheapflights users on 6/16. 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.
Sun 8/95:40 pm
SEA
-
STN
2 stops21h 50m
Multiple Airlines
Sun 8/236:30 pm
STN
-
SEA
2 stops29h 40m
Multiple Airlines
Deal found 6/16$877
This Turkish Airlines deal was found by Cheapflights users on 6/12. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:15 pm
SEA
-
STN
1 stop37h 25m
Turkish Airlines
Wed 9/235:45 pm
STN
-
SEA
1 stop31h 35m
Turkish Airlines
Deal found 6/12$878
This Turkish Airlines deal was found by Cheapflights users on 6/15. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:05 pm
SEA
-
STN
1 stop37h 15m
Turkish Airlines
Tue 12/85:20 pm
STN
-
SEA
1 stop31h 50m
Turkish Airlines
Deal found 6/15$879
This Mytrip deal was found by Cheapflights users on 6/17. 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.
Thu 10/157:00 pm
SEA
-
STN
2 stops19h 55m
Multiple Airlines
Thu 10/228:05 pm
STN
-
SEA
2 stops27h 55m
Multiple Airlines
Deal found 6/17$881
This Mytrip deal was found by Cheapflights users on 6/14. 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.
Thu 7/303:40 pm
SEA
-
STN
2 stops22h 55m
Multiple Airlines
Thu 8/66:05 am
STN
-
SEA
3 stops22h 55m
Multiple Airlines
Deal found 6/14$882
This Mytrip deal was found by Cheapflights users on 6/16. 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.
Sun 8/26:50 pm
SEA
-
STN
2 stops20h 30m
Multiple Airlines
Sun 8/97:05 am
STN
-
SEA
3 stops23h 37m
Multiple Airlines
Deal found 6/16$884
This Mytrip deal was found by Cheapflights users on 6/16. 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.
Fri 8/213:40 pm
SEA
-
STN
2 stops15h 45m
Multiple Airlines
Mon 8/247:15 pm
STN
-
SEA
2 stops24h 30m
Multiple Airlines
Deal found 6/16$886

Find flight deals from Seattle to Stansted

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Stansted (STN). 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 June 18, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$865
(Mytrip)

One-way from

$327
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,166
Provider with most accurate pricing for Seattle/Tacoma Intl-London Stansted flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-London Stansted flights.
Search Deals
From Seattle/Tacoma Intl to London Stansted
Search Deals
One-way flight from Seattle/Tacoma Intl to London Stansted
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($224 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Stansted 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 June 18, 2026.
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

Price

Cheapest round-trip

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 9/21

7:15 pm-4:50 pm

1 stop37h 35m

London Stansted

Sun 9/27

10:50 am-5:20 pm

1 stop38h 30m

$938

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sat 9/26

7:15 pm-9:55 am

1 stop30h 40m

London Stansted

Sun 10/4

6:55 am-5:20 pm

1 stop18h 25m

$978

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Fri 9/18

7:15 pm-10:10 pm

1 stop18h 55m

London Stansted

Mon 9/21

10:50 am-5:20 pm

1 stop38h 30m

$979

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 9/13

7:15 pm-4:40 pm

1 stop37h 25m

London Stansted

Sat 9/19

10:50 am-5:20 pm

1 stop38h 30m

$1,025

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 9/9

7:15 pm-4:40 pm

1 stop37h 25m

London Stansted

Mon 9/14

10:50 am-5:20 pm

1 stop38h 30m

$1,097
Quickest round-trip

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 8/3

12:35 pm-4:40 pm

1 stop20h 05m

London Stansted

Tue 8/11

6:55 am-5:20 pm

1 stop18h 25m

$1,140

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 8/6

7:15 pm-9:55 am

1 stop30h 40m

London Stansted

Thu 8/20

5:35 pm-5:20 pm

1 stop31h 45m

$1,146

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Fri 9/25

1:19 pm-9:55 am

2 stops36h 36m

London Stansted

Sat 10/10

5:45 pm-5:20 pm

1 stop31h 35m

$1,188

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 9/15

7:15 pm-4:40 pm

1 stop37h 25m

London Stansted

Tue 9/29

6:55 am-10:56 pm

2 stops24h 01m

$1,191

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 8/18

7:15 pm-4:40 pm

1 stop37h 25m

London Stansted

Thu 8/27

5:35 pm-8:43 pm

2 stops35h 08m

$1,276

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 19 resultsSorted by cheapest first
1
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Compare providers for flights from Seattle to Stansted

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 Seattle to Stansted in June.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 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 Seattle-London Stansted Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Seattle-London Stansted Airport flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Seattle-London Stansted Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-London Stansted Airport flights, Cheapflights users trust Ovago the most. Ovago 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 Seattle-London Stansted Airport 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 Seattle to Stansted

Have a flexible travel schedule? Discover the best time to fly to Stansted from Seattle 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 Seattle to Stansted. 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 from for flights from Seattle to London Stansted?

    For a flight from Seattle to London Stansted, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 0 outbound flights to London Stansted per day. 0 airlines have flights to London Stansted from Seattle/Tacoma Intl on a regular basis.

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

    There are many flights that can get you from Seattle to London Stansted Airport in 37h 35m. Fly via Turkish Airlines to get the fastest option. There are 4778 mi between Seattle and London Stansted Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Stansted 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 London Stansted Airport?

Book flights to London Stansted Airport if you plan to visit one of these locations
Ilford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Stansted

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