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Cheap flights from Washington to London Stansted Airport from £225

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 22/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STN
7 May — 14 May1
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 7 April 2026.

Mon 4/519:00
SEA
-
STN
2 stops15h 50m
Multiple Airlines
Mon 11/508:15
STN
-
SEA
2 stops20h 25m
Multiple Airlines
Deal found 6/4£485
Thu 16/419:00
SEA
-
STN
2 stops21h 30m
Multiple Airlines
Thu 23/407:20
STN
-
SEA
2 stops18h 35m
Multiple Airlines
Deal found 4/4£488
Wed 6/519:00
SEA
-
STN
2 stops18h 40m
Multiple Airlines
Wed 13/515:00
STN
-
SEA
2 stops34h 55m
Multiple Airlines
Deal found 3/4£490
Tue 21/415:40
SEA
-
STN
3 stops24h 10m
Multiple Airlines
Sat 9/506:35
STN
-
SEA
3 stops35h 05m
Multiple Airlines
Deal found 6/4£491
Thu 16/419:00
SEA
-
STN
2 stops21h 30m
Multiple Airlines
Wed 22/415:00
STN
-
SEA
2 stops34h 55m
Multiple Airlines
Deal found 2/4£492
Fri 5/619:00
SEA
-
STN
2 stops17h 30m
Multiple Airlines
Fri 12/606:40
STN
-
SEA
2 stops22h 00m
Multiple Airlines
Deal found 5/4£497
Thu 7/515:40
SEA
-
STN
2 stops24h 50m
Multiple Airlines
Wed 20/522:45
STN
-
SEA
3 stops30h 23m
Multiple Airlines
Deal found 7/4£498
Thu 30/419:00
SEA
-
STN
2 stops21h 30m
Multiple Airlines
Thu 7/506:30
STN
-
SEA
3 stops35h 10m
Multiple Airlines
Deal found 2/4£500
Mon 4/515:40
SEA
-
STN
2 stops19h 35m
Multiple Airlines
Wed 20/508:30
STN
-
SEA
3 stops33h 10m
Multiple Airlines
Deal found 4/4£503
Mon 20/415:40
SEA
-
STN
2 stops24h 40m
Multiple Airlines
Tue 28/406:30
STN
-
SEA
3 stops35h 10m
Multiple Airlines
Deal found 5/4£503
Mon 20/413:05
PDX
-
STN
2 stops21h 45m
Multiple Airlines
Thu 30/422:05
STN
-
PDX
2 stops21h 05m
Multiple Airlines
Deal found 5/4£560
Mon 4/513:05
PDX
-
STN
2 stops27h 15m
Multiple Airlines
Wed 20/508:30
STN
-
PDX
3 stops33h 00m
Multiple Airlines
Deal found 6/4£624

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 7 April 2026.

Round-trip from

£485

One-way from

£225

Popular in

June

Cheapest in

January

Average price

£534
4/5-11/5
  • 4/5-11/5
  • 4 total stops
  • 36h 15m total
  • Washington to London
Search Deals
22/5
  • 22/5
  • 2 total stops
  • 21h 45m total
  • Washington to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£90 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 7 April 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

Wed 23/9

19:10-09:55

1 stop30h 45m

London Stansted

Sun 4/10

06:55-17:15

1 stop18h 20m

£619

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 20/4

19:10-22:10

1 stop19h 00m

London Stansted

Tue 28/4

17:35-20:57

2 stops35h 22m

£700

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 19/8

13:19-22:10

2 stops24h 51m

London Stansted

Wed 2/9

10:50-10:40

1 stop31h 50m

£767

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 18/8

19:10-16:40

1 stop37h 30m

London Stansted

Tue 25/8

17:35-20:43

2 stops35h 08m

£795

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sat 26/9

19:10-09:55

1 stop30h 45m

London Stansted

Fri 16/10

17:35-22:29

2 stops36h 54m

£809

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 29/7

19:10-16:40

1 stop37h 30m

London Stansted

Wed 19/8

06:55-17:15

1 stop18h 20m

£818

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sat 2/5

11:39-09:55

2 stops38h 16m

London Stansted

Tue 12/5

17:35-21:06

2 stops35h 31m

£850

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Tue 19/5

08:38-16:50

2 stops24h 12m

London Stansted

Sat 6/6

10:50-17:15

1 stop38h 25m

£870

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 12/8

19:10-16:40

1 stop37h 30m

London Stansted

Tue 18/8

17:35-20:43

2 stops35h 08m

£893

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 1/6

19:10-09:55

1 stop30h 45m

London Stansted

Mon 8/6

10:50-17:15

1 stop38h 25m

£906

Flights are sorted by cheapest return flights first.

Deals found on 2/4

Showing 1-10 of 44 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 £619, 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
Wembley
Croydon
Hounslow
Gatwick
Luton
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Chelmsford
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford

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 Gatwick flights
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O'Hare Intl to Stansted flights
Reagan-National to Gatwick flights
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O'Hare Intl to London City flights
Los Angeles 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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