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Cheap flights from Washington to London Stansted Airport from £214

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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STN
20 May — 27 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 20 April 2026.

Thu 4/619:00
SEA
-
STN
2 stops19h 55m
Multiple Airlines
Thu 11/607:00
STN
-
SEA
2 stops18h 55m
Multiple Airlines
Deal found 20/4£504
Mon 4/515:40
SEA
-
STN
2 stops24h 40m
Multiple Airlines
Mon 11/522:45
STN
-
SEA
3 stops42h 55m
Multiple Airlines
Deal found 20/4£504
Wed 29/419:00
SEA
-
STN
2 stops16h 45m
Multiple Airlines
Wed 6/506:30
STN
-
SEA
3 stops35h 10m
Multiple Airlines
Deal found 16/4£505
Mon 8/615:40
SEA
-
STN
2 stops24h 40m
Multiple Airlines
Wed 17/622:00
STN
-
SEA
3 stops31h 07m
Multiple Airlines
Deal found 17/4£507
Tue 21/415:40
SEA
-
STN
2 stops24h 30m
Multiple Airlines
Thu 30/406:30
STN
-
SEA
3 stops35h 10m
Multiple Airlines
Deal found 15/4£511
Mon 4/515:40
SEA
-
STN
2 stops19h 10m
Multiple Airlines
Wed 6/506:30
STN
-
SEA
3 stops35h 10m
Multiple Airlines
Deal found 17/4£512
Thu 30/419:00
SEA
-
STN
2 stops21h 30m
Multiple Airlines
Mon 4/506:30
STN
-
SEA
3 stops35h 10m
Multiple Airlines
Deal found 16/4£515
Fri 5/615:40
SEA
-
STN
2 stops25h 10m
Multiple Airlines
Fri 12/606:35
STN
-
SEA
3 stops35h 33m
Multiple Airlines
Deal found 16/4£521
Tue 5/515:40
SEA
-
STN
2 stops24h 30m
Multiple Airlines
Wed 20/522:45
STN
-
SEA
3 stops42h 55m
Multiple Airlines
Deal found 16/4£524
Mon 27/415:40
SEA
-
STN
2 stops19h 35m
Multiple Airlines
Wed 6/506:30
STN
-
SEA
2 stops22h 38m
Multiple Airlines
Deal found 15/4£525
Sun 7/619:05
PDX
-
STN
2 stops20h 15m
Multiple Airlines
Mon 22/608:15
STN
-
PDX
2 stops35h 30m
Multiple Airlines
Deal found 17/4£553
Tue 21/415:30
PDX
-
STN
2 stops24h 40m
Multiple Airlines
Wed 29/407:00
STN
-
PDX
2 stops19h 00m
Multiple Airlines
Deal found 15/4£554

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 20 April 2026.

Round-trip from

£504

One-way from

£214

Popular in

June

Cheapest in

January

Average price

£524
4/6-11/6
  • 4/6-11/6
  • 4 total stops
  • 38h 50m total
  • Washington to London
Search Deals
9/8
  • 9/8
  • 2 total stops
  • 32h 40m total
  • Washington to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£91 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 20 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

Fri 18/9

19:10-09:55

1 stop30h 45m

London Stansted

Sat 26/9

17:45-17:15

1 stop31h 30m

£660

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sat 15/8

19:10-09:55

1 stop30h 45m

London Stansted

Sat 19/9

17:45-17:15

1 stop31h 30m

£696
Fastest return journey

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 17/9

18:50-16:10

1 stop13h 20m

London Stansted

Tue 29/9

11:00-16:59

1 stop13h 59m

£705

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Thu 14/5

08:38-16:40

2 stops24h 02m

London Stansted

Tue 19/5

06:55-17:15

1 stop18h 20m

£749

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 13/5

13:21-09:55

2 stops36h 34m

London Stansted

Wed 20/5

06:55-17:15

1 stop18h 20m

£780

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sat 1/8

12:35-16:40

1 stop20h 05m

London Stansted

Tue 1/9

06:55-17:15

1 stop18h 20m

£800

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 13/5

13:21-09:55

2 stops36h 34m

London Stansted

Tue 19/5

06:55-17:15

1 stop18h 20m

£854

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Sun 27/9

19:10-16:40

1 stop37h 30m

London Stansted

Thu 1/10

17:35-17:15

1 stop31h 40m

£860

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 13/5

13:21-09:55

2 stops36h 34m

London Stansted

Tue 3/11

06:40-18:05

1 stop19h 25m

£896

PortlandLondon

PDX - STN

PDXSTN

Portland

Wed 9/9

13:14-16:40

2 stops43h 26m

London Stansted

Wed 23/9

06:55-22:01

2 stops23h 06m

£919

Flights are sorted by cheapest return flights first.

Deals found on 15/4

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 £705, Turkish Airlines can have you in London Stansted Airport from State of Washington in 13h 20m. There are 4778 mi between State of Washington and London Stansted Airport. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford
Chelmsford

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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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Minneapolis to Heathrow 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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