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Cheap flights from London Stansted Airport to Washington from £297

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
20 May — 27 May1
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 20 April 2026.

Thu 21/506:30
STN
-
SEA
3 stops44h 15m
Multiple Airlines
Mon 14/919:00
SEA
-
STN
2 stops21h 20m
Multiple Airlines
Deal found 19/4£516
Sat 2/506:35
STN
-
SEA
3 stops35h 05m
Multiple Airlines
Tue 5/515:40
SEA
-
STN
3 stops22h 20m
Multiple Airlines
Deal found 16/4£518
Thu 21/506:30
STN
-
SEA
3 stops35h 10m
Multiple Airlines
Mon 7/915:40
SEA
-
STN
2 stops22h 45m
Multiple Airlines
Deal found 19/4£519
Mon 1/622:45
STN
-
SEA
2 stops30h 23m
Multiple Airlines
Mon 8/615:40
SEA
-
STN
2 stops24h 40m
Multiple Airlines
Deal found 17/4£521
Thu 21/506:30
STN
-
SEA
3 stops35h 10m
Multiple Airlines
Tue 15/915:40
SEA
-
STN
2 stops20h 55m
Multiple Airlines
Deal found 19/4£522
Mon 4/506:30
STN
-
SEA
3 stops35h 10m
Multiple Airlines
Fri 8/519:00
SEA
-
STN
2 stops21h 50m
Multiple Airlines
Deal found 16/4£524
Mon 1/606:30
STN
-
SEA
1 stop18h 40m
Multiple Airlines
Thu 18/619:10
SEA
-
STN
1 stop19h 15m
Multiple Airlines
Deal found 20/4£527
Tue 19/506:30
STN
-
SEA
2 stops20h 15m
Multiple Airlines
Mon 25/515:40
SEA
-
STN
2 stops19h 35m
Multiple Airlines
Deal found 20/4£528
Thu 21/506:30
STN
-
SEA
3 stops35h 10m
Multiple Airlines
Thu 17/915:40
SEA
-
STN
2 stops23h 15m
Multiple Airlines
Deal found 19/4£533
Wed 20/522:00
STN
-
PDX
3 stops47h 50m
Multiple Airlines
Wed 27/514:30
PDX
-
STN
2 stops24h 20m
Multiple Airlines
Deal found 20/4£642
Mon 1/622:45
STN
-
PDX
3 stops47h 05m
Multiple Airlines
Fri 5/619:05
PDX
-
STN
2 stops21h 45m
Multiple Airlines
Deal found 18/4£677
Thu 7/506:30
STN
-
PDX
3 stops39h 20m
Multiple Airlines
Wed 20/513:05
PDX
-
STN
2 stops24h 35m
Multiple Airlines
Deal found 19/4£703

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 20 April 2026.

Round-trip from

£516

One-way from

£297

Popular in

July

Cheapest in

February

Average price

£539
21/5-14/9
  • 21/5-14/9
  • 5 total stops
  • 65h 35m total
  • London to Washington
Search Deals
19/5
  • 19/5
  • 2 total stops
  • 47h 50m total
  • London to Washington
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£51 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 April 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 20 April 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

Fri 29/5

06:20-13:45

1 stop15h 25m

Seattle/Tacoma Intl

Fri 12/6

15:55-12:40

1 stop12h 45m

£732

LondonSeattle

STN - SEA

STNSEA

London Stansted

Wed 15/7

20:15-11:55

2 stops23h 40m

Seattle/Tacoma Intl

Tue 28/7

08:00-19:50

3 stops27h 50m

£751

LondonSeattle

STN - SEA

STNSEA

London Stansted

Mon 4/5

10:50-17:15

1 stop38h 25m

Seattle/Tacoma Intl

Fri 8/5

19:10-09:55

1 stop30h 45m

£788

LondonSeattle

STN - SEA

STNSEA

London Stansted

Sat 16/5

10:50-17:15

1 stop38h 25m

Seattle/Tacoma Intl

Mon 3/8

19:10-16:50

1 stop37h 40m

£789

LondonPortland

STN - PDX

STNPDX

London Stansted

Wed 3/6

22:45-13:50

3 stops47h 05m

Portland

Wed 15/7

14:30-12:45

2 stops14h 15m

£826

LondonSeattle

STN - SEA

STNSEA

London Stansted

Wed 24/6

06:55-17:15

1 stop18h 20m

Seattle/Tacoma Intl

Wed 22/7

13:30-09:55

2 stops36h 25m

£890

LondonSeattle

STN - SEA

STNSEA

London Stansted

Mon 18/5

10:50-17:15

1 stop38h 25m

Seattle/Tacoma Intl

Mon 1/6

19:10-09:55

1 stop30h 45m

£967

LondonSeattle

STN - SEA

STNSEA

London Stansted

Wed 27/5

10:50-17:15

1 stop38h 25m

Seattle/Tacoma Intl

Fri 5/6

08:45-16:50

2 stops24h 05m

£974

LondonSeattle

STN - SEA

STNSEA

London Stansted

Thu 11/6

17:35-17:15

1 stop31h 40m

Seattle/Tacoma Intl

Sun 14/6

19:10-22:10

1 stop19h 00m

£1,014

LondonSeattle

STN - SEA

STNSEA

London Stansted

Fri 10/7

06:40-10:40

1 stop36h 00m

Seattle/Tacoma Intl

Sun 12/7

19:10-16:40

1 stop37h 30m

£1,027

Flights are sorted by cheapest return flights first.

Deals found on 18/4

Showing 1-10 of 35 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 25m. 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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London City to John F Kennedy Intl flights
Gatwick to LaGuardia flights
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Gatwick to Orlando flights
Heathrow to O'Hare Intl flights
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Gatwick to Los Angeles flights
Stansted to Los Angeles flights
Heathrow to Seattle flights
Heathrow to Hobby flights
London City to Los Angeles flights
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Gatwick to Miami flights
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Stansted to Miami flights
Heathrow to Atlanta flights
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London City to Miami flights
London City to Boston flights
Luton to Miami flights
Gatwick to San Francisco flights
Heathrow to Ontario flights
Luton to Los Angeles flights
Heathrow to Tampa flights
Stansted to San Francisco flights
Stansted to Boston flights
Stansted to LaGuardia flights
London City to San Francisco flights
Heathrow to Denver flights
Heathrow to Nashville flights
Gatwick to Dulles Intl flights
Heathrow to Midway 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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