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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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STN
3 Jul — 10 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 3 June 2026.

Sun 25/1015:35
SEA
-
STN
2 stops18h 55m
Multiple Airlines
Sat 31/1016:00
STN
-
SEA
2 stops31h 35m
Multiple Airlines
Deal found 2/6£659
Wed 7/1015:40
SEA
-
STN
2 stops22h 00m
Multiple Airlines
Sun 18/1017:40
STN
-
SEA
2 stops30h 30m
Multiple Airlines
Deal found 1/6£659
Wed 19/819:00
SEA
-
STN
2 stops18h 40m
Multiple Airlines
Tue 25/808:30
STN
-
SEA
3 stops33h 10m
Multiple Airlines
Deal found 2/6£660
Sun 16/815:40
SEA
-
STN
2 stops23h 40m
Multiple Airlines
Wed 19/806:30
STN
-
SEA
3 stops35h 10m
Multiple Airlines
Deal found 1/6£662
Thu 17/919:15
SEA
-
STN
1 stop30h 40m
Turkish Airlines
Fri 25/906:55
STN
-
SEA
1 stop18h 25m
Turkish Airlines
Deal found 31/5£664
Fri 9/1015:40
SEA
-
STN
2 stops20h 50m
Multiple Airlines
Mon 19/1008:30
STN
-
SEA
3 stops22h 12m
Multiple Airlines
Deal found 31/5£665
Wed 21/1019:15
SEA
-
STN
1 stop18h 55m
Turkish Airlines
Wed 11/1110:55
STN
-
SEA
1 stop38h 15m
Turkish Airlines
Deal found 1/6£665
Sat 22/819:00
SEA
-
STN
2 stops18h 40m
Multiple Airlines
Sat 29/807:25
STN
-
SEA
2 stops21h 15m
Multiple Airlines
Deal found 29/5£666
Tue 7/719:00
SEA
-
STN
2 stops21h 10m
Multiple Airlines
Tue 21/706:30
STN
-
SEA
3 stops35h 10m
Multiple Airlines
Deal found 30/5£667
Tue 18/819:15
SEA
-
STN
1 stop37h 25m
Turkish Airlines
Wed 30/910:50
STN
-
SEA
1 stop38h 30m
Turkish Airlines
Deal found 29/5£668
Wed 29/708:00
SEA
-
STN
3 stops30h 05m
Multiple Airlines
Wed 26/822:45
STN
-
SEA
3 stops42h 55m
Multiple Airlines
Deal found 1/6£668
Sun 27/918:50
SEA
-
STN
1 stop12h 45m
Lufthansa
Wed 7/1011:00
STN
-
SEA
1 stop13h 59m
Lufthansa
Deal found 1/6£669

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 3 June 2026.

Round-trip from

£659

One-way from

£183

Popular in

June

Cheapest in

January

Average price

£844
25/10-31/10
  • 25/10-31/10
  • 4 total stops
  • 50h 30m 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 (£114 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 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 3 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

Tue 18/8

19:15-16:40

1 stop37h 25m

London Stansted

Wed 30/9

10:50-17:20

1 stop38h 30m

£668

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

£727

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 3/8

19:15-09:55

1 stop30h 40m

London Stansted

Wed 19/8

06:55-17:20

1 stop18h 25m

£814

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 3/8

19:15-09:55

1 stop30h 40m

London Stansted

Tue 11/8

17:35-17:20

1 stop31h 45m

£814

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 24/11

19:05-16:20

1 stop37h 15m

London Stansted

Tue 8/12

17:20-22:29

2 stops37h 09m

£817

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

£875

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 6/7

19:15-22:10

1 stop18h 55m

London Stansted

Fri 17/7

10:50-10:40

1 stop31h 50m

£878

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 21/6

19:15-16:40

1 stop37h 25m

London Stansted

Sun 28/6

10:50-10:40

1 stop31h 50m

£893

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 5/7

19:15-16:40

1 stop37h 25m

London Stansted

Sat 11/7

17:45-17:20

1 stop31h 35m

£923

PortlandLondon

PDX - STN

PDXSTN

Portland

Thu 24/9

09:00-09:55

2 stops40h 55m

London Stansted

Fri 2/10

06:55-22:01

2 stops23h 06m

£1,022

Flights are sorted by cheapest return flights first.

Deals found on 29/5

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 £668, Turkish Airlines can have you in London Stansted Airport from State of Washington in 37h 25m. 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
Ilford
Slough
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Watford
Ipswich
Romford
Guildford
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.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
Newark to Gatwick flights
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LaGuardia to Gatwick flights
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O'Hare Intl to Heathrow flights
Dallas/Fort Worth to Heathrow flights
Boston to Gatwick flights
Newark to Stansted flights
Newark to Luton flights
Seattle to Heathrow flights
Newark to London City flights
LaGuardia to Stansted flights
Orlando to Heathrow flights
Hobby to Heathrow flights
Atlanta to Heathrow flights
Reagan-National to Heathrow flights
Boston to London City flights
Dulles Intl to Gatwick flights
Boston to Stansted flights
Miami to Heathrow flights
Denver to Heathrow flights
George Bush Intcntl to Heathrow flights
Los Angeles to Gatwick flights
Los Angeles to Stansted flights
Dulles Intl to London City flights
Baltimore to Gatwick flights
Philadelphia to Heathrow flights
Reagan-National to Gatwick flights
San Francisco to Gatwick flights
O'Hare Intl to Gatwick flights
Los Angeles to London City flights
Orlando to Gatwick flights
San Francisco to Stansted flights
O'Hare Intl to London City flights
O'Hare Intl to Stansted flights
San Francisco to London City flights
Charlotte to Heathrow flights
Austin to Heathrow flights
Seattle 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.

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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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