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Cheap flights from Washington to London Stansted Airport from £161

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
10 Apr — 17 Apr1
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 11 March 2026.

Thu 30/419:00
SEA
-
STN
2 stops21h 30m
Multiple Airlines
Sun 10/507:05
STN
-
SEA
2 stops16h 55m
Multiple Airlines
Deal found 8/3£434
Tue 7/408:00
SEA
-
STN
2 stops22h 35m
Multiple Airlines
Tue 14/407:10
STN
-
SEA
3 stops23h 43m
Multiple Airlines
Deal found 8/3£436
Mon 13/415:40
SEA
-
STN
2 stops22h 45m
Multiple Airlines
Mon 27/412:00
STN
-
SEA
2 stops16h 40m
Multiple Airlines
Deal found 10/3£440
Fri 17/419:00
SEA
-
STN
2 stops17h 30m
Multiple Airlines
Mon 27/419:15
STN
-
SEA
2 stops28h 45m
Multiple Airlines
Deal found 8/3£440
Wed 22/415:40
SEA
-
STN
2 stops22h 25m
Multiple Airlines
Wed 29/406:25
STN
-
SEA
2 stops19h 30m
Multiple Airlines
Deal found 8/3£445
Mon 27/415:40
SEA
-
STN
2 stops19h 35m
Multiple Airlines
Tue 12/506:30
STN
-
SEA
3 stops47h 50m
Multiple Airlines
Deal found 6/3£447
Tue 5/519:00
SEA
-
STN
2 stops21h 10m
Multiple Airlines
Tue 2/607:10
STN
-
SEA
2 stops16h 50m
Multiple Airlines
Deal found 7/3£448
Thu 23/419:00
SEA
-
STN
2 stops21h 30m
Multiple Airlines
Thu 30/407:20
STN
-
SEA
3 stops23h 38m
Multiple Airlines
Deal found 8/3£461
Mon 20/415:30
PDX
-
STN
2 stops24h 50m
Multiple Airlines
Tue 28/406:30
STN
-
PDX
3 stops44h 00m
Multiple Airlines
Deal found 7/3£463
Tue 21/415:40
SEA
-
STN
2 stops24h 30m
Multiple Airlines
Tue 28/407:05
STN
-
SEA
2 stops16h 55m
Multiple Airlines
Deal found 6/3£465
Tue 21/415:30
PDX
-
STN
2 stops24h 40m
Multiple Airlines
Tue 28/406:30
STN
-
PDX
3 stops44h 00m
Multiple Airlines
Deal found 7/3£466
Sat 2/519:00
SEA
-
STN
2 stops21h 05m
Multiple Airlines
Fri 15/506:20
STN
-
SEA
2 stops17h 40m
Multiple Airlines
Deal found 6/3£469

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 11 March 2026.

Round-trip from

£433

One-way from

£161

Popular in

June

Cheapest in

October

Average price

£512
5/5-12/5
  • 5/5-12/5
  • 4 total stops
  • 38h 00m total
  • Washington to London
Search Deals
20/4
  • 20/4
  • 2 total stops
  • 24h 50m total
  • Washington to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£69 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 11 March 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

Mon 20/4

19:10-22:10

1 stop19h 00m

London Stansted

Mon 27/4

10:50-17:15

1 stop38h 25m

£589

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Fri 24/4

19:10-22:10

1 stop19h 00m

London Stansted

Mon 27/4

10:50-17:15

1 stop38h 25m

£648

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 27/4

19:10-16:50

1 stop37h 40m

London Stansted

Tue 12/5

17:35-21:06

2 stops35h 31m

£684

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 6/9

19:10-22:10

1 stop19h 00m

London Stansted

Fri 18/9

17:35-22:42

2 stops37h 07m

£717

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 16/8

19:10-22:10

1 stop19h 00m

London Stansted

Tue 25/8

17:35-20:43

2 stops35h 08m

£819

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 12/4

19:10-16:40

1 stop37h 30m

London Stansted

Thu 23/4

17:35-20:57

2 stops35h 22m

£834

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 2/4

19:10-16:50

1 stop37h 40m

London Stansted

Tue 5/5

17:35-21:06

2 stops35h 31m

£842

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 19/8

13:19-09:55

2 stops36h 36m

London Stansted

Wed 2/9

10:50-10:40

1 stop31h 50m

£847

PortlandLondon

PDX - STN

PDXSTN

Portland

Wed 22/4

13:39-22:10

2 stops24h 31m

London Stansted

Wed 29/4

06:55-22:53

2 stops23h 58m

£908

PortlandLondon

PDX - STN

PDXSTN

Portland

Tue 12/5

13:37-16:40

2 stops43h 03m

London Stansted

Sun 17/5

06:55-21:28

2 stops22h 33m

£908

Flights are sorted by cheapest return flights first.

Deals found on 8/3

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 £589, Turkish Airlines can have you in London Stansted Airport from State of Washington in 19h. 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
Wembley
Croydon
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Chelmsford
Eastbourne
Ipswich
Bedford
Romford
Southend-on-Sea

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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Newark to Stansted flights
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Newark to London City flights
Orlando to Heathrow flights
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Hobby to Heathrow flights
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Miami to Heathrow flights
Dulles Intl to Gatwick flights
Boston to Stansted flights
Denver to Heathrow flights
Reagan-National to Heathrow flights
Dulles Intl to London City flights
George Bush Intcntl to Heathrow flights
Baltimore to Gatwick flights
Los Angeles to Stansted flights
Reagan-National to Gatwick flights
Los Angeles to Gatwick flights
Philadelphia to Heathrow flights
LaGuardia to Stansted flights
O'Hare Intl to Gatwick flights
Los Angeles to London City flights
O'Hare Intl to London City flights
Minneapolis to Heathrow flights
O'Hare Intl to Stansted flights
Tampa to Heathrow flights
Austin to Heathrow flights
San Francisco to Gatwick flights
Seattle to Gatwick flights
Raleigh to Heathrow flights
Detroit to Heathrow 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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