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Cheap flights from London Stansted Airport to Washington from £383

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
STN — SEA
12 Sep — 19 Sep1
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 13 August 2026.

Tue 1/912:45 -
2 stops31h 00m
Tue 15/919:00 -
2 stops21h 10m
Deal found 11/8£462
Fri 23/1015:10 -
2 stops34h 45m
Sun 1/1114:35 -
2 stops18h 20m
Deal found 10/8£473
Thu 8/1017:35 -
2 stops35h 05m
Sun 18/1019:00 -
2 stops20h 20m
Deal found 9/8£481
Wed 2/920:00 -
2 stops23h 45m
Tue 8/919:00 -
2 stops21h 10m
Deal found 11/8£483
Mon 28/911:10 -
3 stops34h 35m
Tue 6/1015:55 -
2 stops23h 25m
Deal found 9/8£507
Tue 22/911:00 -
1 stop13h 59m
Tue 29/918:50 -
1 stop12h 45m
Deal found 8/8£511
Wed 30/915:00 -
2 stops34h 55m
Tue 6/1019:00 -
2 stops21h 10m
Deal found 10/8£514
Tue 29/911:00 -
1 stop13h 59m
Tue 6/1018:50 -
1 stop12h 45m
Deal found 8/8£525
Thu 29/1007:20 -
2 stops17h 40m
Sun 1/1114:35 -
2 stops18h 20m
Deal found 10/8£535
Mon 28/916:25 -
1 stop32h 34m
Tue 6/1018:50 -
1 stop12h 45m
Deal found 9/8£535
Sat 5/906:35 -
3 stops39h 15m
Sat 3/1015:30 -
2 stops23h 35m
Deal found 11/8£654
Fri 4/922:50 -
3 stops47h 00m
Mon 21/915:30 -
2 stops22h 55m
Deal found 12/8£655

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 13 August 2026.

Round-trip from

£462

One-way from

£383

Popular in

December

Cheapest in

February

Average price

£619
1/9-15/9
  • 1/9-15/9
  • 4 total stops
  • 52h 10m total
  • London to Washington
Search Deals
18/9
  • 18/9
  • 3 total stops
  • 53h 11m total
  • London to Washington
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 13 August 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 London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Mon 5/10

10:50-17:20

1 stop38h 30m

Seattle/Tacoma Intl

Wed 21/10

10:42-09:55

2 stops39h 13m

£727

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Thu 1/10

17:35-22:56

2 stops37h 21m

Seattle/Tacoma Intl

Mon 30/11

19:05-09:55

1 stop30h 50m

£731

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Tue 27/10

17:20-15:32

2 stops29h 12m

Seattle/Tacoma Intl

Sun 8/11

19:05-16:20

1 stop37h 15m

£760

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Wed 7/10

17:45-17:20

1 stop31h 35m

Seattle/Tacoma Intl

Sun 11/10

19:15-16:40

1 stop37h 25m

£794

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Sat 26/9

17:45-22:56

2 stops37h 11m

Seattle/Tacoma Intl

Thu 22/10

10:42-09:55

2 stops39h 13m

£797

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Thu 29/10

17:20-18:10

1 stop31h 50m

Seattle/Tacoma Intl

Fri 6/11

20:05-09:55

1 stop29h 50m

£813

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Mon 2/11

10:55-18:10

1 stop39h 15m

Seattle/Tacoma Intl

Fri 6/11

20:05-09:55

1 stop29h 50m

£813

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Fri 25/9

17:35-22:56

2 stops37h 21m

Seattle/Tacoma Intl

Fri 2/10

10:42-09:55

2 stops39h 13m

£842

LondonPortland

STN London Stansted - PDX Portland

STNPDX

London Stansted

Wed 30/9

09:55-17:55

2 stops16h 00m

Portland

Tue 6/10

10:10-14:35

3 stops20h 25m

£908

LondonPortland

STN London Stansted - PDX Portland

STNPDX

London Stansted

Sat 14/11

19:40-11:20

2 stops23h 40m

Portland

Wed 25/11

13:20-17:30

2 stops20h 10m

£917

Flights are sorted by cheapest return flights first.

Deals found on 10/8

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 38h 30m. 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 4778 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.
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Gatwick to Orlando flights
Heathrow to Dulles Intl flights
Heathrow to O'Hare Intl flights
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Stansted to Orlando flights
Gatwick to Miami flights
Heathrow to Baltimore flights
Heathrow to Atlanta flights
Heathrow to Seattle flights
Gatwick to Los Angeles flights
Stansted to Miami flights
London City to Miami flights
London City to Orlando flights
London City to Los Angeles flights
Heathrow to George Bush Intcntl flights
Heathrow to Tampa flights
Stansted to Los Angeles flights
Gatwick to Boston flights
Luton to Miami flights
London City to Boston flights
Gatwick to San Francisco flights
Luton to Los Angeles flights
Heathrow to Ontario flights
London City to San Francisco flights
Heathrow to Nashville flights
Luton to Orlando flights
Gatwick to Dulles Intl flights
Heathrow to Reagan-National flights
Gatwick to Las Vegas flights
Gatwick to Dallas/Fort Worth flights
London City to Dulles 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.

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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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