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Cheap flights from Washington to London Stansted Airport from £185

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STN
15 Jun — 22 Jun1
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 16 May 2026.

Tue 1/1219:00
SEA
-
STN
1 stop37h 20m
Turkish Airlines
Sun 6/1206:40
STN
-
SEA
1 stop18h 25m
Turkish Airlines
Deal found 12/5£654
Tue 18/815:40
SEA
-
STN
2 stops20h 55m
Multiple Airlines
Tue 25/806:30
STN
-
SEA
2 stops35h 10m
Multiple Airlines
Deal found 13/5£663
Tue 1/919:10
SEA
-
STN
1 stop18h 10m
Multiple Airlines
Tue 8/920:15
STN
-
SEA
2 stops28h 55m
Multiple Airlines
Deal found 13/5£664
Mon 1/615:40
SEA
-
STN
2 stops24h 40m
Multiple Airlines
Sat 6/608:05
STN
-
SEA
2 stops33h 35m
Multiple Airlines
Deal found 13/5£665
Sat 5/923:25
SEA
-
STN
2 stops16h 40m
Multiple Airlines
Tue 15/912:45
STN
-
SEA
2 stops15h 55m
Multiple Airlines
Deal found 12/5£666
Fri 29/519:00
SEA
-
STN
2 stops21h 50m
Multiple Airlines
Fri 12/606:50
STN
-
SEA
2 stops21h 50m
Multiple Airlines
Deal found 12/5£666
Fri 18/919:15
SEA
-
STN
1 stop37h 25m
Turkish Airlines
Mon 21/910:50
STN
-
SEA
1 stop38h 30m
Turkish Airlines
Deal found 13/5£667
Mon 8/615:40
SEA
-
STN
2 stops19h 10m
Multiple Airlines
Sun 14/613:15
STN
-
SEA
2 stops30h 30m
Multiple Airlines
Deal found 13/5£668
Sun 6/919:15
SEA
-
STN
1 stop18h 55m
Turkish Airlines
Fri 18/917:35
STN
-
SEA
1 stop31h 45m
Turkish Airlines
Deal found 11/5£669
Wed 9/919:15
SEA
-
STN
1 stop30h 40m
Turkish Airlines
Wed 23/906:55
STN
-
SEA
1 stop18h 25m
Turkish Airlines
Deal found 12/5£669
Fri 5/619:00
SEA
-
STN
2 stops21h 50m
Multiple Airlines
Sat 20/606:35
STN
-
SEA
3 stops35h 05m
Multiple Airlines
Deal found 12/5£671
Tue 26/515:55
SEA
-
STN
1 stop14h 40m
Multiple Airlines
Tue 9/607:10
STN
-
SEA
1 stop14h 35m
Multiple Airlines
Deal found 12/5£672

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 16 May 2026.

Round-trip from

£663

One-way from

£185

Popular in

June

Cheapest in

January

Average price

£679
18/8-25/8
  • 18/8-25/8
  • 4 total stops
  • 56h 05m total
  • Washington to London
Search Deals
15/10
  • 15/10
  • 2 total stops
  • 40h 35m total
  • Washington to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£111 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 16 May 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 19/9

19:15-09:55

1 stop30h 40m

London Stansted

Wed 23/9

17:45-17:20

1 stop31h 35m

£690

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 1/10

19:15-09:55

1 stop30h 40m

London Stansted

Sat 24/10

17:45-18:05

1 stop32h 20m

£758

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 2/6

19:10-16:40

1 stop37h 30m

London Stansted

Sun 7/6

17:35-17:15

1 stop31h 40m

£786

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 19/10

19:15-09:55

1 stop30h 40m

London Stansted

Wed 28/10

10:50-23:21

2 stops43h 31m

£792

PortlandLondon

PDX - STN

PDXSTN

Portland

Sun 5/7

14:30-21:45

2 stops23h 15m

London Stansted

Fri 17/7

06:35-09:31

3 stops34h 56m

£805

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 16/8

19:15-16:40

1 stop37h 25m

London Stansted

Tue 25/8

06:55-17:20

1 stop18h 25m

£831

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 20/8

19:15-16:50

1 stop37h 35m

London Stansted

Sun 30/8

17:35-17:20

1 stop31h 45m

£861

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 14/9

19:15-22:10

1 stop18h 55m

London Stansted

Thu 24/9

17:35-22:29

2 stops36h 54m

£875

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 21/7

19:15-16:40

1 stop37h 25m

London Stansted

Wed 12/8

06:55-17:20

1 stop18h 25m

£885

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 29/6

12:35-22:10

1 stop25h 35m

London Stansted

Sun 12/7

17:35-17:20

1 stop31h 45m

£915

Flights are sorted by cheapest return flights first.

Deals found on 13/5

Showing 1-10 of 36 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 £758, 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
Milton Keynes
Hounslow
Croydon
Wembley
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Ipswich
Southend-on-Sea
Guildford
Southall
Chelmsford

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