Find flights
When to book
FAQs

Cheap flights from London Stansted Airport to Washington from £274

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 16/5. Fares are subject to change and may not be available on all flights or dates of travel.
STN — SEA
25 Apr — 2 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Stansted to Washington

Enter your travel dates to find the best prices.

Cheapest flights from Stansted to Washington
Explore the most affordable flight options available from Stansted to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 March 2026.

Thu 23/408:15
STN
-
SEA
2 stops17h 40m
Multiple Airlines
Wed 6/515:40
SEA
-
STN
2 stops16h 50m
Multiple Airlines
Deal found 24/3£449
Wed 22/406:30
STN
-
SEA
2 stops22h 10m
Multiple Airlines
Sun 26/415:40
SEA
-
STN
2 stops17h 10m
Multiple Airlines
Deal found 21/3£450
Tue 21/410:45
STN
-
SEA
2 stops17h 55m
Multiple Airlines
Tue 28/415:40
SEA
-
STN
2 stops24h 30m
Multiple Airlines
Deal found 22/3£450
Thu 16/406:30
STN
-
SEA
2 stops19h 25m
Multiple Airlines
Wed 29/415:40
SEA
-
STN
2 stops17h 55m
Multiple Airlines
Deal found 22/3£454
Tue 28/422:00
STN
-
SEA
3 stops31h 53m
Multiple Airlines
Mon 4/515:40
SEA
-
STN
2 stops19h 35m
Multiple Airlines
Deal found 23/3£458
Thu 7/506:30
STN
-
SEA
1 stop18h 40m
Multiple Airlines
Thu 14/519:10
SEA
-
STN
1 stop19h 15m
Multiple Airlines
Deal found 23/3£497
Fri 10/422:50
STN
-
SEA
3 stops47h 29m
Multiple Airlines
Fri 1/519:00
SEA
-
STN
2 stops21h 50m
Multiple Airlines
Deal found 25/3£500
Mon 27/406:30
STN
-
SEA
3 stops35h 10m
Multiple Airlines
Wed 6/519:00
SEA
-
STN
3 stops19h 40m
Multiple Airlines
Deal found 23/3£503
Thu 28/506:30
STN
-
SEA
1 stop18h 40m
Multiple Airlines
Mon 8/619:10
SEA
-
STN
1 stop13h 55m
Multiple Airlines
Deal found 23/3£503
Tue 14/406:30
STN
-
PDX
3 stops34h 40m
Multiple Airlines
Tue 21/415:30
PDX
-
STN
3 stops24h 20m
Multiple Airlines
Deal found 23/3£541
Tue 21/406:30
STN
-
PDX
3 stops34h 40m
Multiple Airlines
Tue 28/415:30
PDX
-
STN
2 stops24h 40m
Multiple Airlines
Deal found 24/3£553
Mon 25/522:45
STN
-
PDX
3 stops42h 45m
Multiple Airlines
Sun 31/513:05
PDX
-
STN
2 stops22h 50m
Multiple Airlines
Deal found 25/3£578

Find flight deals from Stansted to Washington

Keep the following information in mind while searching for Stansted to Washington flight deals. Data was last updated 26 March 2026.

Round-trip from

£449

One-way from

£274

Popular in

July

Cheapest in

February

Average price

£539
23/4-6/5
  • 23/4-6/5
  • 4 total stops
  • 34h 30m total
  • London to Washington
Search Deals
16/5
  • 16/5
  • 2 total stops
  • 50h 45m total
  • London to Washington
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£56 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Stansted to Washington 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 858,174 searches. Data last updated 26 March 2026.
Use the filters below to find and compare flights from London Stansted Airport to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonPortland

STN - PDX

STNPDX

London Stansted

Mon 25/5

22:45-09:30

3 stops42h 45m

Portland

Sun 31/5

13:05-19:55

2 stops22h 50m

£578

LondonPortland

STN - PDX

STNPDX

London Stansted

Mon 4/5

22:45-13:50

3 stops47h 05m

Portland

Mon 18/5

15:30-18:50

3 stops19h 20m

£661

LondonSeattle

STN - SEA

STNSEA

London Stansted

Tue 16/6

06:55-17:15

1 stop18h 20m

Seattle/Tacoma Intl

Thu 16/7

19:10-09:55

1 stop30h 45m

£720

LondonSeattle

STN - SEA

STNSEA

London Stansted

Wed 6/5

06:55-17:15

1 stop18h 20m

Seattle/Tacoma Intl

Sun 10/5

19:10-16:40

1 stop37h 30m

£727
Fastest return journey

LondonSeattle

STN - SEA

STNSEA

London Stansted

Wed 29/4

06:55-17:15

1 stop18h 20m

Seattle/Tacoma Intl

Wed 3/6

19:10-22:10

1 stop19h 00m

£746

LondonSeattle

STN - SEA

STNSEA

London Stansted

Sat 16/5

17:45-17:15

1 stop31h 30m

Seattle/Tacoma Intl

Mon 3/8

12:35-16:40

1 stop20h 05m

£763

LondonSeattle

STN - SEA

STNSEA

London Stansted

Tue 2/6

06:55-17:15

1 stop18h 20m

Seattle/Tacoma Intl

Sun 12/7

19:10-22:10

1 stop19h 00m

£780

LondonSeattle

STN - SEA

STNSEA

London Stansted

Tue 9/6

17:35-17:15

1 stop31h 40m

Seattle/Tacoma Intl

Thu 25/6

12:35-16:40

1 stop20h 05m

£799

LondonSeattle

STN - SEA

STNSEA

London Stansted

Sat 6/6

17:45-17:15

1 stop31h 30m

Seattle/Tacoma Intl

Thu 25/6

12:35-16:40

1 stop20h 05m

£809

LondonSeattle

STN - SEA

STNSEA

London Stansted

Tue 14/4

17:35-20:57

2 stops35h 22m

Seattle/Tacoma Intl

Tue 21/4

19:10-16:40

1 stop37h 30m

£833

Flights are sorted by cheapest return flights first.

Deals found on 22/3

Showing 1-10 of 41 resultsSorted by cheapest first
1
2
3
...
5

Best time to book a flight from Stansted to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Stansted with our price prediction graph.
Estimated return 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 London Stansted Airport to Washington
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 Stansted to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London Stansted Airport to State of Washington?

    Airlines like Turkish Airlines fly from London Stansted Airport to State of Washington in about 18h 20m. The time it takes to get you to your destination can typically vary by up to . London Stansted Airport and State of Washington are separated by a distance of 4778 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Stansted to Washington 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

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 Stansted to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Heathrow to LaGuardia flights
Gatwick to John F Kennedy Intl flights
Heathrow to Los Angeles flights
Heathrow to Orlando flights
Stansted to John F Kennedy Intl flights
London City to John F Kennedy Intl flights
Gatwick to Newark flights
Heathrow to Miami flights
Gatwick to LaGuardia flights
Luton to John F Kennedy Intl flights
Heathrow to Boston flights
Stansted to Newark flights
Luton to Newark flights
Heathrow to San Francisco flights
Heathrow to Las Vegas flights
Gatwick to Orlando flights
Heathrow to O'Hare Intl flights
Heathrow to Dulles Intl flights
London City to Newark flights
Heathrow to Seattle flights
Gatwick to Los Angeles flights
Stansted to Los Angeles flights
Heathrow to Dallas/Fort Worth flights
Gatwick to Boston flights
London City to Los Angeles flights
Heathrow to Baltimore flights
Stansted to Orlando flights
Gatwick to Miami flights
Heathrow to Hobby flights
Heathrow to Atlanta flights
Stansted to Miami flights
Heathrow to Ontario flights
London City to Miami flights
Heathrow to Tampa flights
Luton to Los Angeles flights
Heathrow to Denver flights
Heathrow to Nashville flights
London City to Orlando flights
Heathrow to George Bush Intcntl flights
Stansted to Boston flights
London City to Boston flights
Gatwick to San Francisco flights
Stansted to San Francisco flights
Stansted to LaGuardia flights
London City to San Francisco flights
Heathrow to Philadelphia flights
Gatwick to Dulles Intl flights
Stansted to Dulles Intl flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Stansted to Washington?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Stansted to Washington. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Stansted to Washington?

Cheapflights simply makes it quick and affordable to book flights from Stansted to Washington by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Stansted to Washington with no change fees?

Yes, we can. To see specific flights from Stansted to Washington with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Stansted to Washington become cheaper?

Not ready to book yet? You can track prices for flights from Stansted to Washington on Cheapflights with our Price Alert feature and get notified when better prices are available.

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.