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Cheap flights from Washington to London Stansted Airport from £183

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STN
17 Jul — 24 Jul1
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 17 June 2026.

Thu 20/823:25
SEA
-
STN
2 stops17h 05m
Multiple Airlines
Wed 2/907:00
STN
-
SEA
2 stops18h 55m
Multiple Airlines
Deal found 17/6£645
Mon 10/810:45
SEA
-
STN
3 stops27h 40m
Multiple Airlines
Thu 13/822:05
STN
-
SEA
3 stops43h 35m
Multiple Airlines
Deal found 15/6£650
Wed 2/915:40
SEA
-
STN
2 stops17h 30m
Multiple Airlines
Wed 9/907:00
STN
-
SEA
2 stops18h 55m
Multiple Airlines
Deal found 13/6£651
Thu 1/1019:15
SEA
-
STN
1 stop30h 40m
Turkish Airlines
Tue 6/1017:35
STN
-
SEA
1 stop31h 45m
Turkish Airlines
Deal found 13/6£652
Tue 11/819:00
SEA
-
STN
2 stops21h 10m
Multiple Airlines
Tue 18/807:10
STN
-
SEA
2 stops18h 45m
Multiple Airlines
Deal found 14/6£653
Sun 9/817:40
SEA
-
STN
2 stops21h 50m
Multiple Airlines
Sun 23/818:30
STN
-
SEA
2 stops29h 40m
Multiple Airlines
Deal found 16/6£654
Wed 16/919:15
SEA
-
STN
1 stop37h 25m
Turkish Airlines
Wed 23/917:45
STN
-
SEA
1 stop31h 35m
Turkish Airlines
Deal found 12/6£654
Tue 24/1119:05
SEA
-
STN
1 stop37h 15m
Turkish Airlines
Tue 8/1217:20
STN
-
SEA
1 stop31h 50m
Turkish Airlines
Deal found 15/6£655
Thu 30/715:40
SEA
-
STN
2 stops22h 55m
Multiple Airlines
Thu 6/806:05
STN
-
SEA
3 stops22h 55m
Multiple Airlines
Deal found 14/6£657
Sun 2/818:50
SEA
-
STN
2 stops20h 30m
Multiple Airlines
Sun 9/807:05
STN
-
SEA
3 stops23h 37m
Multiple Airlines
Deal found 16/6£659
Fri 21/815:40
SEA
-
STN
2 stops15h 45m
Multiple Airlines
Mon 24/819:15
STN
-
SEA
2 stops24h 30m
Multiple Airlines
Deal found 16/6£660
Mon 17/818:10
SEA
-
STN
2 stops17h 40m
Multiple Airlines
Mon 24/807:15
STN
-
SEA
2 stops16h 55m
Multiple Airlines
Deal found 14/6£662

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 17 June 2026.

Round-trip from

£649

One-way from

£183

Popular in

June

Cheapest in

January

Average price

£869
6/9-12/9
  • 6/9-12/9
  • 4 total stops
  • 37h 35m total
  • Washington to London
Search Deals
5/10
  • 5/10
  • 2 total stops
  • 19h 20m total
  • Washington to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£124 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 17 June 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

Sat 28/11

19:05-09:55

1 stop30h 50m

London Stansted

Fri 11/12

10:55-17:10

1 stop38h 15m

£684

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Fri 18/9

19:15-22:10

1 stop18h 55m

London Stansted

Mon 21/9

10:50-17:20

1 stop38h 30m

£729

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 1/11

20:05-16:20

1 stop36h 15m

London Stansted

Sat 5/12

10:55-17:10

1 stop38h 15m

£749

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 13/9

19:15-16:40

1 stop37h 25m

London Stansted

Sat 19/9

10:50-17:20

1 stop38h 30m

£764
Fastest return journey

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Fri 3/7

19:15-22:10

1 stop18h 55m

London Stansted

Fri 10/7

10:50-10:40

1 stop31h 50m

£784

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 9/9

19:15-16:40

1 stop37h 25m

London Stansted

Mon 14/9

10:50-17:20

1 stop38h 30m

£818

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Fri 7/8

19:15-16:40

1 stop37h 25m

London Stansted

Thu 13/8

17:35-17:20

1 stop31h 45m

£826

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 22/11

19:05-16:20

1 stop37h 15m

London Stansted

Sun 29/11

17:20-17:10

1 stop31h 50m

£835

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 2/8

19:15-16:40

1 stop37h 25m

London Stansted

Fri 14/8

10:50-10:40

1 stop31h 50m

£846

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 6/8

19:15-09:55

1 stop30h 40m

London Stansted

Thu 20/8

17:35-17:20

1 stop31h 45m

£854

Flights are sorted by cheapest return flights first.

Deals found on 16/6

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 £684, Turkish Airlines can have you in London Stansted Airport from State of Washington in 30h 50m. 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
Wembley
Luton
Gatwick
Croydon
Slough
Ilford
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Watford
Guildford
Romford
Ipswich
Borehamwood
Folkestone
Southall

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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Boston to Gatwick flights
Newark to London City flights
Orlando to Heathrow flights
Atlanta to Heathrow flights
Dulles Intl to Gatwick flights
Reagan-National to Heathrow flights
Miami to Heathrow flights
Hobby to Heathrow flights
Dulles Intl to London City flights
Boston to London City flights
LaGuardia to Stansted flights
Philadelphia to Heathrow flights
Boston to Stansted flights
Baltimore to Gatwick flights
Reagan-National to Gatwick flights
Los Angeles to Gatwick flights
Denver to Heathrow flights
Los Angeles to Stansted flights
George Bush Intcntl to Heathrow flights
O'Hare Intl to Gatwick flights
Los Angeles to London City flights
San Francisco to Gatwick flights
O'Hare Intl to Stansted flights
O'Hare Intl to London City flights
Sky Harbor Intl to Heathrow flights
San Francisco to London City flights
Charlotte to Heathrow flights
San Francisco to Stansted 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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