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Cheap flights from London Stansted Airport to Washington from £274

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
STN — SEA
3 Aug — 10 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Stansted to Washington

Enter your travel dates to find the best prices.

Cheapest flights from Stansted to Washington
Explore the most affordable flight options available from Stansted to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2026.

Wed 19/806:30
STN
-
SEA
3 stops35h 10m
Multiple Airlines
Sun 30/815:40
SEA
-
STN
2 stops23h 45m
Multiple Airlines
Deal found 29/6£467
Sat 5/905:55
STN
-
SEA
2 stops22h 45m
Multiple Airlines
Sat 19/919:00
SEA
-
STN
2 stops21h 05m
Multiple Airlines
Deal found 29/6£473
Thu 24/921:00
STN
-
SEA
2 stops27h 00m
Multiple Airlines
Sat 10/1018:00
SEA
-
STN
2 stops20h 35m
Multiple Airlines
Deal found 29/6£489
Thu 3/907:00
STN
-
SEA
2 stops21h 40m
Multiple Airlines
Thu 10/915:40
SEA
-
STN
2 stops23h 15m
Multiple Airlines
Deal found 2/7£491
Wed 7/1018:20
STN
-
SEA
2 stops29h 40m
Multiple Airlines
Thu 15/1018:05
SEA
-
STN
2 stops18h 55m
Multiple Airlines
Deal found 2/7£501
Wed 26/819:40
STN
-
SEA
3 stops33h 20m
Multiple Airlines
Mon 31/819:00
SEA
-
STN
2 stops19h 50m
Multiple Airlines
Deal found 1/7£502
Sat 3/1019:15
STN
-
SEA
2 stops28h 25m
Multiple Airlines
Sun 11/1017:40
SEA
-
STN
2 stops23h 05m
Multiple Airlines
Deal found 3/7£511
Fri 4/920:25
STN
-
SEA
2 stops23h 20m
Multiple Airlines
Sun 6/919:00
SEA
-
STN
2 stops20h 20m
Multiple Airlines
Deal found 30/6£516
Thu 1/1013:15
STN
-
SEA
2 stops32h 30m
Multiple Airlines
Sun 11/1015:55
SEA
-
STN
3 stops22h 25m
Multiple Airlines
Deal found 30/6£520
Thu 13/806:30
STN
-
SEA
3 stops35h 10m
Multiple Airlines
Sat 29/815:40
SEA
-
STN
2 stops23h 25m
Multiple Airlines
Deal found 29/6£525
Mon 24/812:00
STN
-
PDX
2 stops31h 45m
Multiple Airlines
Fri 28/819:05
PDX
-
STN
2 stops21h 45m
Multiple Airlines
Deal found 2/7£704
Tue 11/808:00
STN
-
PDX
3 stops33h 31m
Multiple Airlines
Tue 18/815:30
PDX
-
STN
2 stops21h 05m
Multiple Airlines
Deal found 1/7£711

Find flight deals from Stansted to Washington

Keep the following information in mind while searching for Stansted to Washington flight deals. Data was last updated 4 July 2026.

Round-trip from

£467

One-way from

£274

Popular in

July

Cheapest in

February

Average price

£645
19/8-30/8
  • 19/8-30/8
  • 5 total stops
  • 58h 55m total
  • London to Washington
Search Deals
9/9
  • 9/9
  • 3 total stops
  • 54h 20m total
  • London to Washington
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£47 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Stansted to Washington 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 4 July 2026.
Use the filters below to find and compare flights from London Stansted Airport to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSeattle

STN - SEA

STNSEA

London Stansted

Thu 17/9

06:30-17:55

2 stops19h 25m

Seattle/Tacoma Intl

Wed 30/9

15:40-21:20

2 stops21h 40m

£609

LondonSeattle

STN - SEA

STNSEA

London Stansted

Tue 22/9

06:30-18:45

2 stops20h 15m

Seattle/Tacoma Intl

Mon 1/3

14:35-17:50

2 stops19h 15m

£609

LondonPortland

STN - PDX

STNPDX

London Stansted

Mon 24/8

12:00-11:45

2 stops31h 45m

Portland

Thu 27/8

15:30-22:55

2 stops23h 25m

£714

LondonSeattle

STN - SEA

STNSEA

London Stansted

Wed 14/10

06:55-17:20

1 stop18h 25m

Seattle/Tacoma Intl

Wed 21/10

10:42-22:10

2 stops27h 28m

£725

LondonSeattle

STN - SEA

STNSEA

London Stansted

Fri 25/9

17:35-22:56

2 stops37h 21m

Seattle/Tacoma Intl

Mon 5/10

10:42-22:10

2 stops27h 28m

£730

LondonSeattle

STN - SEA

STNSEA

London Stansted

Thu 17/9

17:35-22:45

2 stops37h 10m

Seattle/Tacoma Intl

Wed 30/9

19:15-22:10

1 stop18h 55m

£733

LondonSeattle

STN - SEA

STNSEA

London Stansted

Wed 16/9

10:50-17:20

1 stop38h 30m

Seattle/Tacoma Intl

Mon 21/9

19:15-22:10

1 stop18h 55m

£811

LondonSeattle

STN - SEA

STNSEA

London Stansted

Sat 26/9

17:45-22:56

2 stops37h 11m

Seattle/Tacoma Intl

Thu 22/10

19:15-16:50

1 stop37h 35m

£829
Fastest return journey

LondonPortland

STN - PDX

STNPDX

London Stansted

Mon 26/10

06:30-18:00

2 stops18h 30m

Portland

Tue 10/11

14:45-18:50

2 stops20h 05m

£859

LondonPortland

STN - PDX

STNPDX

London Stansted

Thu 17/9

17:35-23:15

2 stops37h 40m

Portland

Wed 30/9

13:03-09:55

2 stops36h 52m

£1,283

Flights are sorted by cheapest return flights first.

Deals found on 4/7

Showing 1-10 of 37 resultsSorted by cheapest first
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Best time to book a flight from Stansted to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Stansted 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 London Stansted Airport to Washington
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 Stansted to Washington. 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 London Stansted Airport to State of Washington?

    Airlines like Turkish Airlines fly from London Stansted Airport to State of Washington in about 37h 40m. The time it takes to get you to your destination can typically vary by up to . London Stansted Airport and State of Washington are separated by a distance of 4893 mi.

  • Can I find deals for flights from Stansted to Washington that include hotel bookings?

    Yes. In addition to deals on Stansted to Washington flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Stansted to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to Washington.

  • Can I find deals for business class flights from Stansted to Washington?

    Yes. Cheapflights offers flight deals from Stansted to Washington 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

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Alternative routes for Stansted to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Newark flights
Heathrow to John F Kennedy Intl flights
Gatwick to John F Kennedy Intl flights
Stansted to John F Kennedy Intl flights
Heathrow to LaGuardia flights
London City to John F Kennedy Intl flights
Gatwick to Newark flights
Gatwick to LaGuardia flights
Heathrow to Orlando flights
Heathrow to Miami flights
Heathrow to Los Angeles flights
Luton to John F Kennedy Intl flights
Stansted to Newark flights
Luton to Newark flights
Heathrow to Dallas/Fort Worth flights
London City to Newark flights
Heathrow to O'Hare Intl flights
Heathrow to Boston flights
Heathrow to Dulles Intl flights
Gatwick to Miami flights
Heathrow to San Francisco flights
Stansted to Miami flights
Gatwick to Los Angeles flights
London City to Miami flights
Gatwick to Orlando flights
Heathrow to Las Vegas flights
Heathrow to Hobby flights
Stansted to Los Angeles flights
London City to Los Angeles flights
Heathrow to Baltimore flights
Stansted to Orlando flights
Gatwick to Boston flights
Heathrow to Seattle flights
Heathrow to Tampa flights
Heathrow to George Bush Intcntl flights
Luton to Miami flights
London City to Orlando flights
Stansted to Boston flights
Gatwick to Dulles Intl flights
Heathrow to Atlanta flights
Heathrow to Ontario flights
Gatwick to O'Hare Intl flights
Gatwick to Dallas/Fort Worth flights
London City to Boston flights
Heathrow to Midway flights
Luton to Los Angeles flights
Heathrow to Nashville flights
Stansted to Dulles Intl flights
Gatwick to San Francisco flights
Stansted to O'Hare Intl flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Stansted to Washington?

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Why should you use Cheapflights to find cheap flight tickets from Stansted to Washington?

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Can Cheapflights find flights from Stansted to Washington with no change fees?

Yes, we can. To see specific flights from Stansted to Washington with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Stansted to Washington become cheaper?

Not ready to book yet? You can track prices for flights from Stansted to Washington on Cheapflights with our Price Alert feature and get notified when better prices are available.

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