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Cheap flights from London Stansted Airport to Washington from £287

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 19/5. Fares are subject to change and may not be available on all flights or dates of travel.
STN — SEA
8 Jun — 15 Jun1
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 9 May 2026.

Thu 4/606:30
STN
-
SEA
1 stop18h 40m
Multiple Airlines
Thu 11/619:10
SEA
-
STN
1 stop20h 10m
Multiple Airlines
Deal found 5/5£523
Sun 14/606:35
STN
-
SEA
1 stop18h 35m
Multiple Airlines
Wed 24/619:10
SEA
-
STN
1 stop20h 10m
Multiple Airlines
Deal found 4/5£527
Sat 6/606:35
STN
-
SEA
1 stop18h 35m
Multiple Airlines
Sun 14/619:10
SEA
-
STN
1 stop19h 10m
Multiple Airlines
Deal found 5/5£529
Sat 30/516:15
STN
-
SEA
3 stops29h 30m
Multiple Airlines
Sun 7/615:55
SEA
-
STN
2 stops21h 25m
Multiple Airlines
Deal found 5/5£537
Sun 14/606:35
STN
-
SEA
1 stop18h 35m
Multiple Airlines
Thu 25/619:10
SEA
-
STN
1 stop20h 10m
Multiple Airlines
Deal found 4/5£539
Mon 1/608:30
STN
-
SEA
1 stop16h 40m
Multiple Airlines
Mon 8/619:10
SEA
-
STN
1 stop13h 55m
Multiple Airlines
Deal found 5/5£543
Fri 19/608:30
STN
-
SEA
1 stop16h 40m
Multiple Airlines
Fri 26/619:10
SEA
-
STN
1 stop20h 10m
Multiple Airlines
Deal found 5/5£548
Tue 12/506:30
STN
-
SEA
3 stops35h 10m
Multiple Airlines
Mon 25/515:40
SEA
-
STN
2 stops24h 40m
Multiple Airlines
Deal found 4/5£569
Thu 21/507:00
STN
-
SEA
2 stops18h 55m
Multiple Airlines
Thu 4/615:40
SEA
-
STN
2 stops23h 15m
Multiple Airlines
Deal found 7/5£573
Tue 9/608:30
STN
-
SEA
3 stops33h 10m
Multiple Airlines
Wed 15/715:40
SEA
-
STN
2 stops22h 25m
Multiple Airlines
Deal found 8/5£576
Wed 16/906:30
STN
-
PDX
3 stops35h 01m
Multiple Airlines
Wed 23/915:30
PDX
-
STN
2 stops23h 50m
Multiple Airlines
Deal found 6/5£677
Tue 1/906:30
STN
-
PDX
3 stops39h 20m
Multiple Airlines
Wed 30/915:30
PDX
-
STN
2 stops17h 00m
Multiple Airlines
Deal found 4/5£687

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 9 May 2026.

Round-trip from

£523

One-way from

£287

Popular in

July

Cheapest in

February

Average price

£545
4/6-11/6
  • 4/6-11/6
  • 2 total stops
  • 38h 50m total
  • London to Washington
Search Deals
19/5
  • 19/5
  • 3 total stops
  • 47h 50m total
  • London to Washington
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£49 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 May 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 9 May 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
Fastest return journey

LondonSeattle

STN - SEA

STNSEA

London Stansted

Tue 22/9

11:00-16:59

1 stop13h 59m

Seattle/Tacoma Intl

Sun 4/10

18:50-15:35

1 stop12h 45m

£650

LondonPortland

STN - PDX

STNPDX

London Stansted

Mon 22/6

22:00-13:50

3 stops47h 50m

Portland

Wed 8/7

10:10-20:30

3 stops26h 20m

£729

LondonSeattle

STN - SEA

STNSEA

London Stansted

Wed 10/6

17:45-17:15

1 stop31h 30m

Seattle/Tacoma Intl

Mon 15/6

19:10-16:50

1 stop37h 40m

£742

LondonSeattle

STN - SEA

STNSEA

London Stansted

Thu 5/11

17:20-18:05

1 stop32h 45m

Seattle/Tacoma Intl

Mon 9/11

19:00-22:15

1 stop19h 15m

£760

LondonSeattle

STN - SEA

STNSEA

London Stansted

Sat 26/9

10:50-17:15

1 stop38h 25m

Seattle/Tacoma Intl

Thu 22/10

19:10-09:55

1 stop30h 45m

£780

LondonSeattle

STN - SEA

STNSEA

London Stansted

Mon 21/9

10:50-17:15

1 stop38h 25m

Seattle/Tacoma Intl

Sat 3/10

19:10-09:55

1 stop30h 45m

£782

LondonSeattle

STN - SEA

STNSEA

London Stansted

Fri 11/9

17:35-10:40

1 stop25h 05m

Seattle/Tacoma Intl

Sat 26/9

19:10-09:55

1 stop30h 45m

£797

LondonPortland

STN - PDX

STNPDX

London Stansted

Mon 3/8

22:25-13:50

3 stops47h 25m

Portland

Fri 14/8

13:05-21:10

2 stops24h 05m

£812

LondonSeattle

STN - SEA

STNSEA

London Stansted

Thu 15/10

17:35-17:15

1 stop31h 40m

Seattle/Tacoma Intl

Thu 22/10

19:10-09:55

1 stop30h 45m

£889

LondonSeattle

STN - SEA

STNSEA

London Stansted

Fri 18/9

17:35-20:43

2 stops35h 08m

Seattle/Tacoma Intl

Sun 27/9

19:10-22:10

1 stop19h 00m

£936

Flights are sorted by cheapest return flights first.

Deals found on 4/5

Showing 1-10 of 36 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 Lufthansa and Turkish Airlines fly from London Stansted Airport to State of Washington in about 13h 59m. The time it takes to get you to your destination can typically vary by up to 17h 31m. London Stansted Airport and State of Washington are separated by a distance of 4778 mi. 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 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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Stansted to LaGuardia flights
Heathrow to Santa Ana 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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