HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Stansted

$345+ 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STN
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington to Stansted with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 December 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/158:05 pmSEA - STN
1 stop27h 45mMultiple Airlines
Mon 2/912:00 pmSTN - SEA
2 stops41h 28mMultiple Airlines
Deal found 12/14$949
This Mytrip deal was found by Cheapflights users on 12/15. 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 12/268:05 pmSEA - STN
1 stop16h 00mMultiple Airlines
Mon 1/125:15 pmSTN - SEA
3 stops37h 01mMultiple Airlines
Deal found 12/15$1,086
This Mytrip deal was found by Cheapflights users on 12/14. 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 12/252:35 pmSEA - STN
2 stops25h 05mMultiple Airlines
Sun 1/116:15 amSTN - SEA
3 stops40h 05mMultiple Airlines
Deal found 12/14$1,141
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 stop16h 00mMultiple Airlines
Fri 1/236:55 pmSTN - SEA
2 stops32h 22mMultiple Airlines
Deal found 12/15$1,145
This Mytrip deal was found by Cheapflights users on 12/14. 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 12/298:05 pmSEA - STN
1 stop16h 50mMultiple Airlines
Sun 1/186:15 amSTN - SEA
2 stops24h 01mMultiple Airlines
Deal found 12/14$1,200
This Mytrip deal was found by Cheapflights users on 12/16. 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 12/305:40 pmSEA - STN
2 stops16h 45mMultiple Airlines
Tue 1/65:55 amSTN - SEA
2 stops17h 45mMultiple Airlines
Deal found 12/16$1,377
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 12/158:05 pmSEA - STN
1 stop27h 45mMultiple Airlines
Tue 12/3012:35 pmSTN - SEA
2 stops55h 05mMultiple Airlines
Deal found 12/15$1,400
This Mytrip deal was found by Cheapflights users on 12/14. 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 12/252:35 pmSEA - STN
2 stops25h 05mMultiple Airlines
Sat 1/106:40 amSTN - SEA
2 stops17h 00mMultiple Airlines
Deal found 12/14$1,439
This Mytrip deal was found by Cheapflights users on 12/13. 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 12/1810:05 amSEA - STN
3 stops25h 00mMultiple Airlines
Wed 12/246:30 amSTN - SEA
2 stops23h 46mMultiple Airlines
Deal found 12/13$1,472
This Mytrip deal was found by Cheapflights users on 12/16. 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 12/199:50 amPDX - STN
3 stops29h 55mMultiple Airlines
Fri 1/2312:50 pmSTN - PDX
3 stops33h 50mMultiple Airlines
Deal found 12/16$1,840
This Mytrip deal was found by Cheapflights users on 12/14. 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 12/152:45 pmPDX - STN
2 stops15h 45mMultiple Airlines
Fri 12/196:10 amSTN - PDX
2 stops18h 50mMultiple Airlines
Deal found 12/14$1,887

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 December 16, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$579
(Mytrip)

One-way from

$345
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$986
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 ($139 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 16, 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

Sat 2/21

2:35 pm-10:20 pm

2 stops23h 45m

London Stansted

Sat 2/28

5:55 am-5:00 pm

2 stops19h 05m

$579

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sat 1/31

2:00 pm-11:35 pm

2 stops25h 35m

London Stansted

Sat 2/7

4:20 pm-1:20 pm

2 stops29h 00m

$585

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Fri 1/23

3:10 pm-8:35 pm

3 stops21h 25m

London Stansted

Sat 1/31

9:00 pm-1:20 pm

2 stops24h 20m

$589

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 3/4

5:50 am-6:00 pm

3 stops28h 10m

London Stansted

Tue 3/17

7:40 am-9:31 am

3 stops32h 51m

$592

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 1/11

3:10 pm-12:50 am

2 stops25h 40m

London Stansted

Sun 1/18

6:15 am-10:06 pm

3 stops23h 51m

$595

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 1/12

2:35 pm-3:45 pm

2 stops17h 10m

London Stansted

Mon 1/26

7:35 am-5:00 pm

2 stops17h 25m

$596

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 1/18

5:50 am-1:30 pm

3 stops23h 40m

London Stansted

Sun 1/25

9:35 am-12:10 pm

2 stops34h 35m

$602

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 2/5

2:00 pm-12:40 am

2 stops26h 40m

London Stansted

Sat 2/14

9:00 pm-10:51 pm

3 stops33h 51m

$603

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Fri 2/13

8:10 am-1:10 pm

2 stops21h 00m

London Stansted

Sat 2/21

6:10 am-10:16 pm

2 stops24h 06m

$605

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 1/25

5:50 am-7:30 pm

3 stops29h 40m

London Stansted

Sun 2/1

2:55 pm-12:10 pm

2 stops29h 15m

$616

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 37 results
1
2
3
4

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
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Wembley
Folkestone
Eastbourne

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Stansted

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
LaGuardia to Heathrow flights
John F Kennedy Intl to London City flights
Boston to Heathrow flights
John F Kennedy Intl to Gatwick flights
Newark to Gatwick flights
Los Angeles to Heathrow flights
Dulles Intl to Heathrow flights
John F Kennedy Intl to Stansted flights
LaGuardia to Gatwick flights
O'Hare Intl to Heathrow flights
San Francisco to Heathrow flights
Baltimore to Heathrow flights
Seattle to Heathrow flights
John F Kennedy Intl to Luton flights
Dallas/Fort Worth to Heathrow flights
Newark to London City flights
Boston to Gatwick flights
Atlanta to Heathrow flights
Hobby to Heathrow flights
Newark to Stansted flights
Miami to Heathrow flights
Orlando to Heathrow flights
Newark to Luton flights
Boston to London City flights
Reagan-National to Heathrow flights
Dulles Intl to Gatwick flights
Denver to Heathrow flights
Minneapolis to Heathrow flights
Philadelphia to Heathrow flights
Los Angeles to Gatwick flights
Dulles Intl to London City flights
Los Angeles to London City flights
O'Hare Intl to Gatwick flights
George Bush Intcntl to Heathrow flights
San Francisco to Gatwick flights
O'Hare Intl to London City flights
Baltimore to Gatwick flights
Boston to Stansted flights
Tampa to Heathrow flights
Dulles Intl to Stansted flights
Reagan-National to Gatwick flights
Orlando to Gatwick flights
San Francisco to London City flights
Austin to Heathrow flights
Detroit to Heathrow flights
Charlotte to Heathrow flights
Raleigh to Heathrow flights
Sky Harbor Intl to Heathrow flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.