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Cheap flights from Washington to London Stansted Airport from £170

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STN
20 Aug — 27 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Washington to Stansted

Enter your travel dates to find the best prices.

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 21 July 2026.

Mon 17/819:00
SEA
-
STN
2 stops21h 20m
Multiple Airlines
Wed 26/806:30
STN
-
SEA
3 stops44h 15m
Multiple Airlines
Deal found 20/7£486
Fri 25/915:55
SEA
-
STN
1 stop15h 30m
Multiple Airlines
Sat 3/1008:35
STN
-
SEA
1 stop13h 10m
Multiple Airlines
Deal found 17/7£488
Tue 8/923:08
SEA
-
STN
2 stops34h 02m
Multiple Airlines
Tue 15/907:10
STN
-
SEA
1 stop14h 35m
Multiple Airlines
Deal found 18/7£503
Fri 18/915:55
SEA
-
STN
1 stop15h 30m
Multiple Airlines
Sat 26/908:35
STN
-
SEA
1 stop13h 10m
Multiple Airlines
Deal found 16/7£504
Sun 13/915:55
SEA
-
STN
1 stop17h 20m
Multiple Airlines
Sun 20/907:05
STN
-
SEA
1 stop14h 40m
Multiple Airlines
Deal found 17/7£506
Thu 20/819:00
SEA
-
STN
2 stops21h 30m
Multiple Airlines
Wed 26/806:30
STN
-
SEA
3 stops46h 30m
Multiple Airlines
Deal found 19/7£512
Sun 6/915:55
SEA
-
STN
1 stop15h 45m
Multiple Airlines
Tue 22/907:10
STN
-
SEA
1 stop14h 35m
Multiple Airlines
Deal found 16/7£512
Tue 18/823:25
SEA
-
STN
2 stops16h 45m
Multiple Airlines
Tue 25/822:00
STN
-
SEA
3 stops43h 40m
Multiple Airlines
Deal found 19/7£520
Sun 23/819:00
SEA
-
STN
2 stops20h 20m
Multiple Airlines
Thu 27/822:05
STN
-
SEA
3 stops43h 35m
Multiple Airlines
Deal found 18/7£521
Tue 15/907:16
SEA
-
STN
2 stops19h 49m
Multiple Airlines
Tue 22/907:10
STN
-
SEA
1 stop14h 35m
Multiple Airlines
Deal found 20/7£522
Thu 15/1015:30
PDX
-
STN
2 stops25h 00m
Multiple Airlines
Mon 2/1108:05
STN
-
PDX
1 stop16h 55m
Multiple Airlines
Deal found 18/7£645
Sat 22/815:30
PDX
-
STN
2 stops23h 35m
Multiple Airlines
Sun 30/819:45
STN
-
PDX
3 stops45h 46m
Multiple Airlines
Deal found 17/7£651

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 21 July 2026.

Round-trip from

£486

One-way from

£170

Popular in

June

Cheapest in

January

Average price

£766
17/8-26/8
  • 17/8-26/8
  • 5 total stops
  • 65h 35m total
  • Washington to London
Search Deals
14/10
  • 14/10
  • 2 total stops
  • 35h 15m total
  • Washington to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£125 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 21 July 2026.
Use the filters below to find and compare flights from Washington to London Stansted Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 14/10

19:15-09:55

1 stop30h 40m

London Stansted

Wed 21/10

17:45-17:20

1 stop31h 35m

£653

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 13/9

19:15-16:40

1 stop37h 25m

London Stansted

Wed 25/11

10:55-17:10

1 stop38h 15m

£654

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 24/11

19:05-16:20

1 stop37h 15m

London Stansted

Tue 8/12

17:20-17:10

1 stop31h 50m

£654

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 18/10

19:15-22:10

1 stop18h 55m

London Stansted

Wed 28/10

10:55-18:10

1 stop38h 15m

£654
Fastest return journey

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 24/9

18:50-17:10

1 stop14h 20m

London Stansted

Wed 30/9

11:00-16:59

1 stop13h 59m

£677

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Fri 9/10

19:15-22:10

1 stop18h 55m

London Stansted

Tue 13/10

17:35-17:20

1 stop31h 45m

£684

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 18/11

19:05-09:55

1 stop30h 50m

London Stansted

Wed 2/12

10:55-17:10

1 stop38h 15m

£691

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 13/1

19:05-16:20

1 stop37h 15m

London Stansted

Sun 24/1

17:20-17:10

1 stop31h 50m

£697

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 20/10

19:15-16:40

1 stop37h 25m

London Stansted

Thu 29/10

17:20-18:10

1 stop31h 50m

£705

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 19/10

19:15-22:10

1 stop18h 55m

London Stansted

Sat 31/10

17:20-19:10

1 stop32h 50m

£749

Flights are sorted by cheapest return flights first.

Deals found on 16/7

Showing 1-10 of 38 resultsSorted by cheapest first
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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 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 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.

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

    For as low as £653, Turkish Airlines can have you in London Stansted Airport from State of Washington in 30h 40m. There are 4778 mi between State of Washington and London Stansted Airport.

  • 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 holiday 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.

See more FAQs

Travelling to a place near London Stansted Airport?

Book flights to London Stansted Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Slough
Ilford
Hayes
Croydon
Colchester
Brentford
Eastbourne
Watford
Southend-on-Sea
Kingston upon Thames
Southall
Aylesbury
Dover
Romford
Enfield

Browse thousands of different options on Cheapflights for your next trip

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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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Newark to Luton flights
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Dulles Intl to London City flights
Denver to Heathrow flights
Boston to London City flights
Philadelphia to Heathrow flights
Baltimore to Gatwick flights
Boston to Stansted flights
Los Angeles to Gatwick flights
George Bush Intcntl to Heathrow flights
Reagan-National to Gatwick flights
O'Hare Intl to Gatwick flights
Orlando to Gatwick flights
San Francisco to Gatwick flights
Los Angeles to Stansted flights
O'Hare Intl to Stansted flights
Sky Harbor Intl to Heathrow flights
San Francisco to London City flights
Raleigh to Heathrow flights
O'Hare Intl to London City flights
Detroit to Heathrow flights
Tampa to Heathrow flights
Seattle to Gatwick flights
Dallas/Fort Worth to Gatwick flights

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Washington to Stansted flexibly with Cheapflights today.

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

Yes, Cheapflights offers price alerts on Washington to Stansted flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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