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Stansted

$262+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STN
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheap 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 septiembre 11, 2025.

Round-trip from

$520
(Mytrip)

One-way from

$262
(Mytrip)

Popular in

June

Cheapest in

October

Average price

$696
From Seattle/Tacoma Intl to London Stansted
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One-way flight from Seattle/Tacoma Intl to London Stansted
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Highest demand for flights based on searches. 15% potential increase in price ($139 potential increase over avg. RT price).
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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 September 2025
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Find 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 septiembre 11, 2025.

This Mytrip deal was found by Cheapflights users on 9/8. 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.
mar. 9/307:15 amSEA - STN
2 stops28h 10mMultiple Airlines
lun. 10/64:35 pmSTN - SEA
3 stops34h 01mMultiple Airlines
Deal found 9/8$520
This Mytrip deal was found by Cheapflights users on 9/11. 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.
lun. 10/63:45 pmSEA - STN
2 stops18h 35mMultiple Airlines
dom. 10/198:15 amSTN - SEA
2 stops20h 25mMultiple Airlines
Deal found 9/11$521
This Mytrip deal was found by Cheapflights users on 9/10. 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.
mar. 10/147:35 pmSEA - STN
1 stop14h 35mMultiple Airlines
mié. 10/228:15 amSTN - SEA
1 stop17h 35mMultiple Airlines
Deal found 9/10$522
This KAYAK deal was found by Cheapflights users on 9/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/246:50 pmSEA - STN
1 stop16h 10mLufthansa
mar. 9/307:50 pmSTN - SEA
1 stop29h 09mLufthansa
Deal found 9/11$532
This Mytrip deal was found by Cheapflights users on 9/9. 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.
lun. 9/297:15 amSEA - STN
2 stops19h 25mMultiple Airlines
mar. 10/72:50 pmSTN - SEA
3 stops35h 46mMultiple Airlines
Deal found 9/9$533
This Mytrip deal was found by Cheapflights users on 9/11. 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.
mié. 10/83:45 pmSEA - STN
2 stops21h 10mMultiple Airlines
mié. 10/158:15 amSTN - SEA
2 stops17h 35mMultiple Airlines
Deal found 9/11$534
This Mytrip deal was found by Cheapflights users on 9/10. 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.
mar. 10/73:45 pmSEA - STN
2 stops14h 35mMultiple Airlines
lun. 10/138:15 amSTN - SEA
2 stops17h 35mMultiple Airlines
Deal found 9/10$535
This Mytrip deal was found by Cheapflights users on 9/10. 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.
dom. 10/123:45 pmSEA - STN
2 stops17h 10mMultiple Airlines
jue. 10/169:20 amSTN - SEA
2 stops16h 30mMultiple Airlines
Deal found 9/10$537
This Mytrip deal was found by Cheapflights users on 9/8. 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.
vie. 10/243:45 pmSEA - STN
2 stops21h 35mMultiple Airlines
vie. 10/316:30 amSTN - SEA
2 stops18h 30mMultiple Airlines
Deal found 9/8$541
This Mytrip deal was found by Cheapflights users on 9/8. 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.
mar. 9/237:15 amSEA - STN
2 stops28h 10mMultiple Airlines
mié. 10/17:30 amSTN - SEA
2 stops17h 29mMultiple Airlines
Deal found 9/8$542

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 septiembre 11, 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

mié. 10/8

3:45 pm-8:55 pm

2 stops21h 10m

London Stansted

mié. 10/15

8:15 am-5:50 pm

2 stops17h 35m

$534

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

mar. 10/14

3:45 pm-2:20 pm

2 stops14h 35m

London Stansted

mié. 10/22

8:15 am-5:50 pm

2 stops17h 35m

$535

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

dom. 10/26

8:15 am-11:05 am

2 stops19h 50m

London Stansted

lun. 11/3

8:30 am-12:10 pm

2 stops35h 40m

$546

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

lun. 10/6

5:30 am-12:25 pm

3 stops22h 55m

London Stansted

lun. 10/13

10:30 am-11:55 am

2 stops33h 25m

$550

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

dom. 10/26

8:15 am-11:05 am

2 stops19h 50m

London Stansted

dom. 11/2

9:45 pm-7:16 pm

3 stops29h 31m

$555

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

lun. 10/13

3:45 pm-4:15 pm

2 stops16h 30m

London Stansted

mié. 10/22

9:55 am-8:40 pm

2 stops18h 45m

$559

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

mié. 10/8

5:30 am-4:55 pm

3 stops27h 25m

London Stansted

mié. 10/22

10:10 pm-9:45 pm

2 stops31h 35m

$563

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

jue. 10/9

5:30 am-2:20 pm

2 stops24h 50m

London Stansted

jue. 10/16

10:55 pm-10:31 pm

2 stops31h 36m

$568

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

mié. 11/19

8:05 pm-10:50 pm

1 stop18h 45m

London Stansted

mié. 12/3

6:30 am-6:20 pm

1 stop19h 50m

$577

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

mié. 9/24

7:15 am-11:50 am

2 stops20h 35m

London Stansted

dom. 9/28

8:00 pm-11:55 am

2 stops23h 55m

$582

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 22 results
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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
Hounslow
Hayes
Thornton Heath
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Wembley
Folkestone
Chichester
Arundel

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