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Cheap flights from Washington to London Stansted Airport from £191

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STN
27 Feb — 6 Mar1
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 28 January 2026.

Thu 16/415:40
SEA
-
STN
2 stops19h 55m
Multiple Airlines
Tue 21/406:30
STN
-
SEA
2 stops22h 10m
Multiple Airlines
Deal found 27/1£396
Wed 11/316:10
SEA
-
STN
2 stops19h 00m
Multiple Airlines
Wed 18/316:20
STN
-
SEA
2 stops27h 50m
Multiple Airlines
Deal found 27/1£409
Sun 8/214:35
SEA
-
STN
2 stops14h 45m
Multiple Airlines
Thu 12/206:30
STN
-
SEA
2 stops18h 30m
Multiple Airlines
Deal found 27/1£411
Mon 23/214:35
SEA
-
STN
2 stops15h 45m
Multiple Airlines
Mon 2/308:30
STN
-
SEA
2 stops16h 30m
Multiple Airlines
Deal found 25/1£412
Thu 26/214:35
SEA
-
STN
2 stops22h 45m
Multiple Airlines
Wed 11/306:30
STN
-
SEA
2 stops18h 30m
Multiple Airlines
Deal found 27/1£414
Fri 27/214:35
SEA
-
STN
2 stops18h 00m
Multiple Airlines
Mon 9/306:30
STN
-
SEA
2 stops18h 30m
Multiple Airlines
Deal found 26/1£414
Mon 23/214:35
SEA
-
STN
2 stops22h 45m
Multiple Airlines
Mon 9/308:30
STN
-
SEA
2 stops16h 30m
Multiple Airlines
Deal found 26/1£416
Mon 2/314:35
SEA
-
STN
2 stops15h 55m
Multiple Airlines
Sat 7/306:30
STN
-
SEA
3 stops34h 05m
Multiple Airlines
Deal found 27/1£417
Sun 22/215:10
SEA
-
STN
2 stops25h 40m
Multiple Airlines
Mon 2/319:50
STN
-
SEA
2 stops24h 20m
Multiple Airlines
Deal found 26/1£426
Wed 25/315:35
SEA
-
STN
2 stops21h 00m
Multiple Airlines
Tue 14/406:30
STN
-
SEA
2 stops19h 25m
Multiple Airlines
Deal found 27/1£432
Mon 6/415:30
PDX
-
STN
2 stops23h 20m
Multiple Airlines
Fri 10/408:05
STN
-
PDX
2 stops17h 55m
Multiple Airlines
Deal found 26/1£452
Thu 16/415:30
PDX
-
STN
2 stops23h 50m
Multiple Airlines
Fri 24/406:30
STN
-
PDX
2 stops19h 30m
Multiple Airlines
Deal found 27/1£457

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 28 January 2026.

Round-trip from

£396

One-way from

£191

Popular in

June

Cheapest in

October

Average price

£473
16/4-21/4
  • 16/4-21/4
  • 4 total stops
  • 42h 05m total
  • Washington to London
Search Deals
20/4
  • 20/4
  • 2 total stops
  • 17h 20m total
  • Washington to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£72 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 28 January 2026.
Use the filters below to find and compare flights from Washington to London Stansted Airport that are best for you.

Fly from

Washington

Fly to

Stansted

Route

Depart

Return

Price

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 23/4

15:40-22:45

2 stops23h 05m

London Stansted

Sun 26/4

06:35-09:33

3 stops34h 58m

£454

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 25/2

14:35-15:20

2 stops16h 45m

London Stansted

Wed 4/3

08:30-17:00

2 stops16h 30m

£490

PortlandLondon

PDX - STN

PDXSTN

Portland

Mon 16/3

15:45-14:20

2 stops15h 35m

London Stansted

Mon 23/3

08:30-18:00

2 stops16h 30m

£491

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 26/4

19:00-23:50

2 stops20h 50m

London Stansted

Thu 30/4

06:30-21:51

2 stops23h 21m

£514

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 21/4

19:10-16:50

1 stop37h 40m

London Stansted

Sun 26/4

06:15-17:15

1 stop19h 00m

£550

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 23/4

19:10-16:50

1 stop37h 40m

London Stansted

Sun 26/4

06:15-17:15

1 stop19h 00m

£550

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 29/4

19:10-22:10

1 stop19h 00m

London Stansted

Sat 9/5

17:45-17:15

1 stop31h 30m

£557

PortlandLondon

PDX - STN

PDXSTN

Portland

Thu 16/4

15:30-19:35

2 stops20h 05m

London Stansted

Fri 24/4

22:50-13:50

3 stops47h 00m

£592

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 26/3

20:00-09:50

1 stop30h 50m

London Stansted

Sun 12/4

17:45-17:15

1 stop31h 30m

£595

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 23/2

20:05-18:20

1 stop14h 15m

London Stansted

Mon 9/3

13:30-19:20

1 stop12h 50m

£603

Flights are sorted by cheapest return flights first.

Deals found on 25/1

Showing 1-10 of 39 results
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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 £550, Turkish Airlines can have you in London Stansted Airport from State of Washington in 37h 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
Luton
Croydon
Wembley
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Watford
Colchester
Guildford
Chelmsford
Bedford
Crawley
Kingston upon Thames
Eastbourne
Romford
Ipswich

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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 London City flights
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Los Angeles to Stansted flights
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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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