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Stansted

$351+ Cheap flights from Washington 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STN
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Washington to Stansted

Cheapest flights from Washington to Stansted
Explore the most affordable flight options available from Washington to Stansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Mytrip deal was found by Cheapflights users on 10/29. 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 11/132:35 pmSEA - STN
2 stops24h 45mMultiple Airlines
Tue 11/186:30 amSTN - SEA
2 stops18h 30mMultiple Airlines
Deal found 10/29$529
This Mytrip deal was found by Cheapflights users on 10/30. 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.
Sat 12/62:35 pmSEA - STN
2 stops21h 30mMultiple Airlines
Sun 12/146:10 amSTN - SEA
2 stops18h 50mMultiple Airlines
Deal found 10/30$530
This Mytrip deal was found by Cheapflights users on 10/30. 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 11/38:05 pmSEA - STN
1 stop14h 15mMultiple Airlines
Wed 11/56:30 amSTN - SEA
1 stop15h 40mMultiple Airlines
Deal found 10/30$536
This Mytrip deal was found by Cheapflights users on 10/29. 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 11/132:35 pmSEA - STN
2 stops16h 15mMultiple Airlines
Thu 11/276:30 amSTN - SEA
2 stops18h 30mMultiple Airlines
Deal found 10/29$538
This Mytrip deal was found by Cheapflights users on 10/29. 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 12/33:10 pmSEA - STN
2 stops21h 55mMultiple Airlines
Tue 12/99:45 pmSTN - SEA
3 stops29h 31mMultiple Airlines
Deal found 10/29$550
This Mytrip deal was found by Cheapflights users on 10/30. 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 11/53:10 pmSEA - STN
2 stops23h 40mMultiple Airlines
Tue 11/189:45 pmSTN - SEA
3 stops29h 31mMultiple Airlines
Deal found 10/30$552
This Mytrip deal was found by Cheapflights users on 10/30. 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 11/275:50 amSEA - STN
3 stops26h 15mMultiple Airlines
Thu 12/119:20 pmSTN - SEA
2 stops22h 50mMultiple Airlines
Deal found 10/30$560
This Mytrip deal was found by Cheapflights users on 10/30. 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 11/1710:05 amSEA - STN
3 stops24h 15mMultiple Airlines
Tue 11/259:45 pmSTN - SEA
3 stops29h 31mMultiple Airlines
Deal found 10/30$563
This Mytrip deal was found by Cheapflights users on 10/28. 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 12/42:45 pmPDX - STN
2 stops24h 35mMultiple Airlines
Mon 12/88:30 amSTN - PDX
2 stops16h 30mMultiple Airlines
Deal found 10/28$564
This Mytrip deal was found by Cheapflights users on 10/30. 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 11/272:00 pmSEA - STN
2 stops18h 05mMultiple Airlines
Wed 12/38:55 pmSTN - SEA
2 stops23h 15mMultiple Airlines
Deal found 10/30$576
This Mytrip deal was found by Cheapflights users on 10/29. 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 11/1210:05 amSEA - STN
3 stops23h 45mMultiple Airlines
Wed 11/196:45 pmSTN - SEA
2 stops25h 25mMultiple Airlines
Deal found 10/29$583
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/288:05 pmSEA - STN
1 stop12h 30mMultiple Airlines
Wed 12/36:30 amSTN - SEA
1 stop19h 50mMultiple Airlines
Deal found 10/30$591

Cheap flight deals from Washington to Stansted

Keep the following information in mind while searching for Washington to Stansted flight deals. Data was last updated October 30, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$529
(Mytrip)

One-way from

$351
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$663
Provider with most accurate pricing for Seattle/Tacoma Intl-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-London (LON) flights.
Search Deals
From Washington to London Stansted
Search Deals
One-way flight from Washington to London Stansted
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($134 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 October 30, 2025.
Use the filters below to find and compare flights from Washington to London Stansted Airport that are best for you.

Fly from

Washington

Fly to

Stansted

Route

Depart

Return

Price

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 11/13

2:35 pm-11:20 pm

2 stops24h 45m

London Stansted

Thu 11/27

6:30 am-5:00 pm

2 stops18h 30m

$540

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 1/11

8:35 am-4:15 pm

2 stops23h 40m

London Stansted

Tue 1/20

8:25 pm-11:42 pm

2 stops35h 17m

$545

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 11/5

3:10 pm-10:50 pm

2 stops23h 40m

London Stansted

Tue 11/18

9:45 pm-7:16 pm

3 stops29h 31m

$552

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 11/17

10:05 am-6:20 pm

3 stops24h 15m

London Stansted

Tue 11/25

9:45 pm-7:16 pm

3 stops29h 31m

$563

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 11/27

5:50 am-5:35 pm

3 stops27h 45m

London Stansted

Wed 12/3

8:55 pm-12:10 pm

2 stops23h 15m

$563

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 11/12

10:05 am-5:50 pm

3 stops23h 45m

London Stansted

Wed 11/19

6:45 pm-12:10 pm

2 stops25h 25m

$583

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Fri 11/14

8:10 am-6:20 pm

2 stops26h 10m

London Stansted

Thu 11/20

4:30 pm-7:16 pm

3 stops34h 46m

$599

PortlandLondon

PDX - STN

PDXSTN

Portland

Thu 12/4

2:45 pm-11:10 pm

2 stops24h 25m

London Stansted

Fri 12/12

6:10 am-5:00 pm

2 stops18h 50m

$614

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 11/9

8:10 am-2:50 pm

2 stops22h 40m

London Stansted

Sun 11/16

8:30 am-12:10 pm

2 stops35h 40m

$643

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Fri 12/5

10:05 am-8:05 pm

3 stops26h 00m

London Stansted

Fri 12/12

9:45 pm-10:16 pm

2 stops32h 31m

$656

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 40 results
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Best time to book a flight from Washington to Stansted

Have a flexible travel schedule? Discover the best time to fly to Stansted from Washington 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.

Cheapflights Insights

Everything you need to know about your flight from Washington to London Stansted Airport
No data available for this route at this time. Please check back soon.

Related info for your journey

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington 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.

Traveling to a place near London Stansted Airport?

Book flights to London Stansted Airport if you plan to visit one of these locations
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone
Eastbourne
Sutton

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Alternative routes for Washington to Stansted

See prices for flight routes from nearby airports that may be better suited for you.
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