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Stansted

$341+ 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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STN
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This Mytrip deal was found by Cheapflights users on 12/10. 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.
Thu 12/118:10 amSEA - STN
3 stops29h 30mMultiple Airlines
Wed 12/246:20 amSTN - SEA
2 stops17h 20mMultiple Airlines
Deal found 12/10$1,073
This Mytrip deal was found by Cheapflights users on 12/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/158:10 amSEA - STN
3 stops30h 30mMultiple Airlines
Mon 12/226:00 pmSTN - SEA
2 stops26h 10mMultiple Airlines
Deal found 12/9$1,107
This Mytrip deal was found by Cheapflights users on 12/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:10 amSEA - STN
3 stops31h 05mMultiple Airlines
Mon 1/124:30 pmSTN - SEA
3 stops37h 46mMultiple Airlines
Deal found 12/9$1,144
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Fri 12/268:05 pmSEA - STN
1 stop14h 15mMultiple Airlines
Fri 1/2310:05 pmSTN - SEA
2 stops25h 35mMultiple Airlines
Deal found 12/10$1,209
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
Mon 12/228:05 pmSEA - STN
1 stop14h 15mMultiple Airlines
Sun 2/89:35 amSTN - SEA
2 stops42h 20mMultiple Airlines
Deal found 12/9$1,212
This Mytrip deal was found by Cheapflights users on 12/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/910:05 amSEA - STN
3 stops26h 25mMultiple Airlines
Sat 12/136:35 pmSTN - SEA
2 stops30h 30mMultiple Airlines
Deal found 12/9$1,234
This Mytrip deal was found by Cheapflights users on 12/8. 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 12/118:10 amSEA - STN
3 stops31h 25mMultiple Airlines
Thu 12/186:05 pmSTN - SEA
2 stops26h 05mMultiple Airlines
Deal found 12/8$1,366
This Mytrip deal was found by Cheapflights users on 12/8. 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 12/168:10 amSEA - STN
2 stops17h 40mMultiple Airlines
Wed 12/246:20 amSTN - SEA
2 stops17h 20mMultiple Airlines
Deal found 12/8$1,391
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Sun 12/148:05 pmSEA - STN
1 stop12h 30mMultiple Airlines
Fri 12/198:00 pmSTN - SEA
2 stops53h 05mMultiple Airlines
Deal found 12/10$1,432

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 December 12, 2025.

Most accurate provider

AranGrant
2 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$583
(Mytrip)

One-way from

$341
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$967
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
Search Deals
One-way flight from Seattle/Tacoma Intl to London Stansted
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($141 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 December 2025
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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 December 12, 2025.
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 1/18

2:35 pm-4:35 pm

2 stops18h 00m

London Stansted

Sun 1/25

8:30 am-5:00 pm

2 stops16h 30m

$593

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 3/29

6:45 pm-11:20 pm

1 stop20h 35m

London Stansted

Sun 4/5

6:30 am-4:59 pm

1 stop18h 29m

$647

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 1/14

2:35 pm-9:05 pm

2 stops22h 30m

London Stansted

Sun 1/18

8:30 am-5:00 pm

2 stops16h 30m

$687

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 3/25

8:00 pm-10:15 pm

1 stop19h 15m

London Stansted

Wed 4/8

5:45 pm-5:15 pm

1 stop31h 30m

$719

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 4/1

7:10 pm-10:10 pm

1 stop19h 00m

London Stansted

Thu 4/30

5:45 pm-5:15 pm

1 stop31h 30m

$751

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 3/26

8:00 pm-9:50 am

1 stop30h 50m

London Stansted

Sun 4/12

5:45 pm-5:15 pm

1 stop31h 30m

$753

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 4/22

7:10 pm-10:15 am

1 stop31h 05m

London Stansted

Thu 4/30

5:45 pm-5:15 pm

1 stop31h 30m

$765

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 4/12

7:10 pm-10:10 pm

1 stop19h 00m

London Stansted

Fri 4/24

5:45 pm-5:15 pm

1 stop31h 30m

$768

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 4/6

7:10 pm-4:50 pm

1 stop37h 40m

London Stansted

Thu 5/7

5:45 pm-5:15 pm

1 stop31h 30m

$769

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 4/19

7:10 pm-10:10 pm

1 stop19h 00m

London Stansted

Thu 4/30

5:45 pm-5:15 pm

1 stop31h 30m

$772

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 22 results
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2
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  • Most accurate provider: When it comes to deals on Seattle-London Stansted Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Seattle-London Stansted Airport flight deals on Cheapflights vs. AranGrant 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.

  • 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 19h 15m. 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
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Wembley
Folkestone
Eastbourne

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