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Cheap flights from London Stansted Airport to Washington from £304

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
STN — SEA
4 Jul — 11 Jul1
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 June 2026.

Thu 25/622:05
STN
-
SEA
3 stops43h 35m
Multiple Airlines
Thu 9/715:40
SEA
-
STN
2 stops22h 45m
Multiple Airlines
Deal found 1/6£543
Sat 27/622:00
STN
-
SEA
3 stops43h 40m
Multiple Airlines
Sun 5/715:40
SEA
-
STN
2 stops21h 25m
Multiple Airlines
Deal found 3/6£545
Fri 21/806:35
STN
-
SEA
3 stops22h 25m
Multiple Airlines
Fri 11/915:40
SEA
-
STN
2 stops21h 30m
Multiple Airlines
Deal found 2/6£547
Thu 16/706:30
STN
-
SEA
3 stops35h 10m
Multiple Airlines
Wed 29/715:40
SEA
-
STN
2 stops21h 50m
Multiple Airlines
Deal found 2/6£548
Mon 21/920:45
STN
-
SEA
3 stops32h 19m
Multiple Airlines
Sun 27/919:00
SEA
-
STN
2 stops20h 20m
Multiple Airlines
Deal found 3/6£551
Mon 7/911:35
STN
-
SEA
2 stops32h 10m
Multiple Airlines
Mon 21/919:00
SEA
-
STN
2 stops15h 50m
Multiple Airlines
Deal found 1/6£554
Fri 4/906:20
STN
-
SEA
3 stops22h 40m
Multiple Airlines
Fri 18/915:40
SEA
-
STN
2 stops25h 10m
Multiple Airlines
Deal found 1/6£555
Tue 25/808:30
STN
-
SEA
3 stops33h 10m
Multiple Airlines
Fri 11/915:40
SEA
-
STN
2 stops21h 30m
Multiple Airlines
Deal found 2/6£563
Mon 16/1108:05
STN
-
PDX
1 stop16h 55m
Multiple Airlines
Mon 30/1114:45
PDX
-
STN
2 stops16h 20m
Multiple Airlines
Deal found 30/5£728
Mon 24/822:25
STN
-
PDX
3 stops47h 25m
Multiple Airlines
Sun 30/819:05
PDX
-
STN
2 stops20h 15m
Multiple Airlines
Deal found 2/6£729
Fri 3/706:35
STN
-
PDX
3 stops39h 15m
Multiple Airlines
Tue 14/715:30
PDX
-
STN
2 stops23h 50m
Multiple Airlines
Deal found 2/6£731
Thu 2/722:00
STN
-
PDX
3 stops47h 50m
Multiple Airlines
Thu 9/713:05
PDX
-
STN
2 stops27h 25m
Multiple Airlines
Deal found 2/6£753

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 June 2026.

Round-trip from

£543

One-way from

£304

Popular in

July

Cheapest in

February

Average price

£591
25/6-9/7
  • 25/6-9/7
  • 5 total stops
  • 66h 20m total
  • London to Washington
Search Deals
22/9
  • 22/9
  • 3 total stops
  • 39h 20m total
  • London to Washington
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£52 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 June 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

Sun 27/9

17:35-17:20

1 stop31h 45m

Seattle/Tacoma Intl

Tue 13/10

19:15-16:40

1 stop37h 25m

£753

LondonSeattle

STN - SEA

STNSEA

London Stansted

Tue 18/8

06:30-09:40

3 stops35h 10m

Seattle/Tacoma Intl

Tue 22/12

14:35-18:50

2 stops20h 15m

£797

LondonSeattle

STN - SEA

STNSEA

London Stansted

Sat 26/9

17:45-17:20

1 stop31h 35m

Seattle/Tacoma Intl

Thu 22/10

19:15-09:55

1 stop30h 40m

£809

LondonSeattle

STN - SEA

STNSEA

London Stansted

Mon 14/9

10:50-17:20

1 stop38h 30m

Seattle/Tacoma Intl

Mon 21/9

19:15-22:10

1 stop18h 55m

£854

LondonPortland

STN - PDX

STNPDX

London Stansted

Fri 26/6

18:25-13:05

2 stops26h 40m

Portland

Mon 13/7

10:10-18:30

3 stops24h 20m

£1,141

LondonSeattle

STN - SEA

STNSEA

London Stansted

Tue 30/6

06:55-17:20

1 stop18h 25m

Seattle/Tacoma Intl

Thu 30/7

19:15-16:50

1 stop37h 35m

£1,159
Fastest return journey

LondonSeattle

STN - SEA

STNSEA

London Stansted

Tue 21/7

06:55-17:20

1 stop18h 25m

Seattle/Tacoma Intl

Mon 7/12

19:05-09:55

1 stop30h 50m

£1,204

LondonSeattle

STN - SEA

STNSEA

London Stansted

Tue 16/6

17:35-17:20

1 stop31h 45m

Seattle/Tacoma Intl

Wed 8/7

13:30-09:55

2 stops36h 25m

£1,235

LondonSeattle

STN - SEA

STNSEA

London Stansted

Mon 24/8

10:50-17:20

1 stop38h 30m

Seattle/Tacoma Intl

Tue 1/9

19:15-16:40

1 stop37h 25m

£1,253

LondonPortland

STN - PDX

STNPDX

London Stansted

Fri 3/7

06:55-22:25

2 stops23h 30m

Portland

Tue 14/7

13:14-16:40

2 stops43h 26m

£1,322

Flights are sorted by cheapest return flights first.

Deals found on 29/5

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 31h 45m. 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 LaGuardia flights
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Gatwick to Boston flights
Heathrow to Seattle flights
Stansted to LaGuardia flights
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Gatwick to Miami flights
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London City to Los Angeles flights
London City to Miami flights
Heathrow to George Bush Intcntl flights
Stansted to Miami flights
Heathrow to Tampa flights
Heathrow to Atlanta flights
London City to Boston flights
Gatwick to San Francisco flights
Luton to LaGuardia flights
Stansted to Boston flights
London City to San Francisco flights
Heathrow to Ontario flights
London City to Orlando flights
Stansted to San Francisco flights
Heathrow to Nashville flights
Luton to Miami flights
Luton to Boston flights
Gatwick to O'Hare Intl flights
Gatwick to Dallas/Fort Worth 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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