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Cheap flights from Washington to London Stansted Airport from £197

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 16/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STN
16 Mar — 23 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 14 February 2026.

Mon 13/415:40
SEA
-
STN
2 stops20h 10m
Multiple Airlines
Mon 20/407:15
STN
-
SEA
2 stops21h 25m
Multiple Airlines
Deal found 11/2£404
Mon 20/405:40
SEA
-
STN
3 stops32h 45m
Multiple Airlines
Sun 26/418:55
STN
-
SEA
2 stops25h 25m
Multiple Airlines
Deal found 11/2£405
Mon 20/405:40
SEA
-
STN
3 stops25h 05m
Multiple Airlines
Tue 28/407:55
STN
-
SEA
3 stops22h 55m
Multiple Airlines
Deal found 11/2£406
Sat 18/419:00
SEA
-
STN
2 stops21h 05m
Multiple Airlines
Sat 25/405:55
STN
-
SEA
2 stops22h 45m
Multiple Airlines
Deal found 12/2£407
Mon 13/415:40
SEA
-
STN
2 stops22h 45m
Multiple Airlines
Wed 22/422:45
STN
-
SEA
3 stops42h 48m
Multiple Airlines
Deal found 10/2£410
Sun 19/415:40
SEA
-
STN
2 stops19h 55m
Multiple Airlines
Tue 28/407:15
STN
-
SEA
2 stops21h 25m
Multiple Airlines
Deal found 10/2£414
Wed 22/415:40
SEA
-
STN
2 stops21h 50m
Multiple Airlines
Mon 27/406:40
STN
-
SEA
2 stops22h 00m
Multiple Airlines
Deal found 10/2£423
Fri 24/419:00
SEA
-
STN
2 stops17h 30m
Multiple Airlines
Tue 28/406:30
STN
-
SEA
2 stops23h 23m
Multiple Airlines
Deal found 10/2£429
Mon 9/308:00
SEA
-
STN
3 stops31h 40m
Multiple Airlines
Mon 16/318:00
STN
-
SEA
2 stops26h 10m
Multiple Airlines
Deal found 10/2£431
Tue 19/515:30
PDX
-
STN
2 stops24h 40m
Multiple Airlines
Wed 3/607:00
STN
-
PDX
2 stops18h 55m
Multiple Airlines
Deal found 10/2£442
Fri 1/510:10
PDX
-
STN
2 stops23h 25m
Multiple Airlines
Thu 14/522:00
STN
-
PDX
2 stops29h 05m
Multiple Airlines
Deal found 12/2£449
Thu 16/415:30
PDX
-
STN
2 stops25h 00m
Multiple Airlines
Mon 4/522:45
STN
-
PDX
3 stops47h 05m
Multiple Airlines
Deal found 10/2£514

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 14 February 2026.

Round-trip from

£404

One-way from

£197

Popular in

June

Cheapest in

January

Average price

£502
13/4-20/4
  • 13/4-20/4
  • 4 total stops
  • 41h 35m total
  • Washington to London
Search Deals
16/4
  • 16/4
  • 2 total stops
  • 37h 25m total
  • Washington to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£71 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 14 February 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

PortlandLondon

PDX - STN

PDXSTN

Portland

Tue 19/5

15:30-00:10

2 stops24h 40m

London Stansted

Wed 3/6

07:00-17:55

2 stops18h 55m

£442

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 21/4

19:00-22:40

2 stops19h 40m

London Stansted

Tue 5/5

06:30-21:08

2 stops22h 38m

£494

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sat 4/4

19:10-09:55

1 stop30h 45m

London Stansted

Tue 14/4

06:15-17:15

1 stop19h 00m

£541

PortlandLondon

PDX - STN

PDXSTN

Portland

Fri 8/5

10:10-19:20

2 stops25h 10m

London Stansted

Fri 15/5

22:00-19:05

2 stops29h 05m

£548

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 1/4

19:10-22:10

1 stop19h 00m

London Stansted

Tue 5/5

06:15-17:15

1 stop19h 00m

£555

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 20/4

19:10-16:50

1 stop37h 40m

London Stansted

Thu 7/5

17:45-17:15

1 stop31h 30m

£555

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 23/3

20:00-22:15

1 stop19h 15m

London Stansted

Wed 8/4

06:15-17:15

1 stop19h 00m

£558

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 30/4

19:10-16:50

1 stop37h 40m

London Stansted

Thu 14/5

17:45-17:15

1 stop31h 30m

£592

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 30/4

19:10-09:55

1 stop30h 45m

London Stansted

Fri 15/5

06:15-17:15

1 stop19h 00m

£592

PortlandLondon

PDX - STN

PDXSTN

Portland

Sat 11/4

15:30-00:25

2 stops24h 55m

London Stansted

Mon 27/4

11:10-18:00

2 stops14h 50m

£597

Flights are sorted by cheapest return flights first.

Deals found on 10/2

Showing 1-10 of 40 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 £541, Turkish Airlines can have you in London Stansted Airport from State of Washington in 30h 45m. 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
Croydon
Luton
Wembley
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames
Ipswich
Bedford
Romford

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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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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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