Stansted

$234+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STN
Feb 28 — Mar 71
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Cheap 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 January 29, 2026.

This Mytrip deal was found by Cheapflights users on 1/28. 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.
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 1/28$543
This Mytrip deal was found by Cheapflights users on 1/27. 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 4/163:40 pm
SEA
-
STN
2 stops19h 55m
Multiple Airlines
Tue 4/216:30 am
STN
-
SEA
2 stops22h 10m
Multiple Airlines
Deal found 1/27$544
This Mytrip deal was found by Cheapflights users on 1/28. 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.
Wed 4/13:40 pm
SEA
-
STN
2 stops19h 50m
Multiple Airlines
Wed 4/88:30 am
STN
-
SEA
2 stops17h 25m
Multiple Airlines
Deal found 1/28$548
This Mytrip deal was found by Cheapflights users on 1/28. 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.
Wed 4/293:40 pm
SEA
-
STN
2 stops22h 00m
Multiple Airlines
Mon 5/1111:35 am
STN
-
SEA
2 stops17h 05m
Multiple Airlines
Deal found 1/28$549
This Mytrip deal was found by Cheapflights users on 1/28. 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.
Wed 3/114:10 pm
SEA
-
STN
2 stops23h 30m
Multiple Airlines
Tue 3/176:05 pm
STN
-
SEA
2 stops27h 15m
Multiple Airlines
Deal found 1/28$554
This Mytrip deal was found by Cheapflights users on 1/28. 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.
Fri 5/17:00 pm
SEA
-
STN
2 stops21h 50m
Multiple Airlines
Sun 5/105:55 am
STN
-
SEA
2 stops22h 45m
Multiple Airlines
Deal found 1/28$559
This Mytrip deal was found by Cheapflights users on 1/27. 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 3/114:10 pm
SEA
-
STN
2 stops19h 00m
Multiple Airlines
Wed 3/184:20 pm
STN
-
SEA
2 stops27h 50m
Multiple Airlines
Deal found 1/27$562
This Mytrip deal was found by Cheapflights users on 1/27. 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 2/82:35 pm
SEA
-
STN
2 stops14h 45m
Multiple Airlines
Thu 2/126:30 am
STN
-
SEA
2 stops18h 30m
Multiple Airlines
Deal found 1/27$565
This Mytrip deal was found by Cheapflights users on 1/27. 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 2/262:35 pm
SEA
-
STN
2 stops22h 45m
Multiple Airlines
Wed 3/116:30 am
STN
-
SEA
2 stops18h 30m
Multiple Airlines
Deal found 1/27$568
This Mytrip deal was found by Cheapflights users on 1/26. 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 stops22h 45m
Multiple Airlines
Mon 3/98:30 am
STN
-
SEA
2 stops16h 30m
Multiple Airlines
Deal found 1/26$572
This Mytrip deal was found by Cheapflights users on 1/27. 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 3/22:35 pm
SEA
-
STN
2 stops15h 55m
Multiple Airlines
Sat 3/76:30 am
STN
-
SEA
3 stops34h 05m
Multiple Airlines
Deal found 1/27$573
This Mytrip deal was found by Cheapflights users on 1/29. 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.
Tue 3/32:35 pm
SEA
-
STN
2 stops21h 50m
Multiple Airlines
Mon 3/99:45 pm
STN
-
SEA
3 stops32h 12m
Multiple Airlines
Deal found 1/29$576

Find flight deals from Washington to Stansted

Keep the following information in mind while searching for Washington to Stansted flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$543
(Mytrip)

One-way from

$234
(Trip.com)

Popular in

June

Cheapest in

October

Average price

$650
Provider with most accurate pricing for Seattle/Tacoma Intl-London (LON) flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-London (LON) flights.
From Washington to London Stansted
One-way flight from Washington to London Stansted
Highest demand for flights based on searches. 15% potential increase in price ($137 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
Average for round-trip flights in January 2026

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 January 29, 2026.
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

Wed 4/29

3:40 pm-9:40 pm

2 stops22h 00m

London Stansted

Mon 5/11

11:35 am-8:40 pm

2 stops17h 05m

$549

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Fri 5/1

7:00 pm-12:50 am

2 stops21h 50m

London Stansted

Sun 5/10

5:55 am-8:40 pm

2 stops22h 45m

$559

PortlandLondon

PDX - STN

PDXSTN

Portland

Tue 4/7

3:30 pm-10:40 pm

2 stops23h 10m

London Stansted

Mon 4/13

10:45 pm-9:15 am

3 stops42h 30m

$615

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 3/11

4:10 pm-7:40 pm

2 stops20h 30m

London Stansted

Thu 3/19

9:10 am-1:10 pm

2 stops35h 00m

$628

PortlandLondon

PDX - STN

PDXSTN

Portland

Thu 4/16

3:30 pm-11:20 pm

2 stops23h 50m

London Stansted

Fri 4/24

6:30 am-6:00 pm

2 stops19h 30m

$628

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 5/14

3:40 pm-10:25 pm

2 stops22h 45m

London Stansted

Thu 5/21

6:30 am-8:40 pm

2 stops22h 10m

$645

PortlandLondon

PDX - STN

PDXSTN

Portland

Thu 4/23

3:30 pm-10:45 pm

2 stops23h 15m

London Stansted

Mon 4/27

10:45 pm-12:44 am

3 stops33h 59m

$660

PortlandLondon

PDX - STN

PDXSTN

Portland

Mon 3/16

3:45 pm-2:20 pm

2 stops15h 35m

London Stansted

Mon 3/23

8:30 am-6:00 pm

2 stops16h 30m

$675

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Fri 5/1

7:00 pm-8:30 pm

2 stops17h 30m

London Stansted

Mon 5/11

6:30 am-9:40 am

3 stops35h 10m

$707

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 4/22

7:10 pm-10:10 pm

1 stop19h 00m

London Stansted

Wed 5/6

6:15 am-5:15 pm

1 stop19h 00m

$733

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 41 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
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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Alternative routes for Washington to Stansted

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