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Stansted

$380+ 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STN
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
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 January 26, 2026.

This Mytrip deal was found by Cheapflights users on 1/25. 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 2/222:35 pm
SEA
-
STN
2 stops23h 35m
Multiple Airlines
Sat 3/77:20 pm
STN
-
SEA
2 stops29h 40m
Multiple Airlines
Deal found 1/25$558
This Mytrip deal was found by Cheapflights users on 1/24. 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 3/103:00 pm
SEA
-
STN
2 stops25h 10m
Multiple Airlines
Tue 3/176:05 pm
STN
-
SEA
2 stops27h 15m
Multiple Airlines
Deal found 1/24$564
This Mytrip deal was found by Cheapflights users on 1/25. 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 2/232:35 pm
SEA
-
STN
2 stops15h 45m
Multiple Airlines
Mon 3/28:30 am
STN
-
SEA
2 stops16h 30m
Multiple Airlines
Deal found 1/25$566
This Booking.com deal was found by Cheapflights users on 1/24. 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.
Tue 3/32:35 pm
SEA
-
STN
2 stops19h 45m
Multiple Airlines
Tue 3/106:30 am
STN
-
SEA
2 stops18h 30m
Multiple Airlines
Deal found 1/24$572
This Mytrip deal was found by Cheapflights users on 1/24. 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 2/205:50 am
SEA
-
STN
3 stops26h 55m
Multiple Airlines
Fri 2/278:55 pm
STN
-
SEA
2 stops23h 15m
Multiple Airlines
Deal found 1/24$589
This Mytrip deal was found by Cheapflights users on 1/24. 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 3/12:35 pm
SEA
-
STN
2 stops23h 10m
Multiple Airlines
Sat 3/145:55 am
STN
-
SEA
2 stops19h 30m
Multiple Airlines
Deal found 1/24$596
This Mytrip deal was found by Cheapflights users on 1/25. 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 2/262:00 pm
SEA
-
STN
2 stops20h 00m
Multiple Airlines
Sun 3/17:00 pm
STN
-
SEA
2 stops25h 10m
Multiple Airlines
Deal found 1/25$597
This Mytrip deal was found by Cheapflights users on 1/24. 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 4/123:40 pm
SEA
-
STN
2 stops23h 45m
Multiple Airlines
Mon 4/206:30 am
STN
-
SEA
2 stops22h 10m
Multiple Airlines
Deal found 1/24$598

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 January 26, 2026.

Most accurate provider

Ovago
2 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$558
(Mytrip)

One-way from

$380
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$650
Provider with most accurate pricing for Seattle/Tacoma Intl-London Stansted flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-London Stansted flights.
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From Seattle/Tacoma Intl to London Stansted
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One-way flight from Seattle/Tacoma Intl to London Stansted
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($137 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 26, 2026.
Use the filters below to find and compare flights from Seattle to London Stansted Airport that are best for you.

Fly from

Seattle

Fly to

Stansted

Route

Depart

Return

Price

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 2/22

2:35 pm-10:10 pm

2 stops23h 35m

London Stansted

Sat 3/7

5:20 pm-5:00 pm

2 stops31h 40m

$558

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 2/26

2:00 pm-6:00 pm

2 stops20h 00m

London Stansted

Sun 3/1

7:00 pm-12:10 pm

2 stops25h 10m

$597

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 4/14

5:50 am-11:40 am

3 stops21h 50m

London Stansted

Mon 4/20

5:20 pm-12:20 pm

2 stops27h 00m

$607

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 4/14

3:40 pm-10:40 pm

2 stops23h 00m

London Stansted

Wed 4/29

10:00 pm-1:08 pm

3 stops47h 08m

$644

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 3/17

3:35 pm-8:25 pm

2 stops21h 50m

London Stansted

Tue 4/14

6:30 am-9:51 pm

2 stops23h 21m

$653

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 3/2

2:00 pm-4:55 pm

2 stops18h 55m

London Stansted

Sun 3/8

9:40 pm-1:10 pm

2 stops22h 30m

$653

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Fri 2/20

8:00 am-2:50 pm

2 stops22h 50m

London Stansted

Fri 2/27

9:45 pm-12:10 pm

2 stops22h 25m

$656

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 4/22

3:40 pm-8:30 pm

2 stops20h 50m

London Stansted

Sun 5/3

8:30 am-6:30 pm

3 stops42h 00m

$663

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sat 4/4

7:10 pm-9:55 am

1 stop30h 45m

London Stansted

Fri 4/10

6:15 am-5:15 pm

1 stop19h 00m

$744

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 2/2

2:35 pm-2:30 pm

2 stops15h 55m

London Stansted

Wed 2/4

9:05 pm-3:40 pm

2 stops26h 35m

$746

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Showing 1-10 of 20 results
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2

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 January.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy2 starsTrust Score*2 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 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 90-95% 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 AranGrant the most. AranGrant 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.

  • 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
Hounslow
Southend-on-Sea
Harrow
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Eastbourne
Sutton

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