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 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.

In terms of precipitation, rainfall in State of Washington ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit State of Washington when rainfall is around 18.0 mm.

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

What is the cheapest time of day to fly from STN to WA?

When flying from London Stansted Airport to State of Washington, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

£391+ Cheap Flights from London Stansted Airport to Washington

Cheap flight deals from Stansted to Washington

Enter your travel dates to find the best prices.

Cheapest

Best

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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 27 September 2026.

Tue 10/1107:15 -

2 stops17h 45m

Tue 17/1114:35 -

2 stops21h 40m

Deal found 26/9£482

Mon 9/1108:10 -

2 stops16h 50m

Mon 16/1114:35 -

2 stops19h 25m

Deal found 25/9£487

Wed 25/1107:15 -

2 stops17h 45m

Sun 29/1114:35 -

2 stops23h 35m

Deal found 23/9£501

Mon 23/1108:10 -

2 stops16h 50m

Mon 7/1214:35 -

2 stops19h 25m

Deal found 23/9£509

Sat 7/1107:55 -

2 stops17h 05m

Mon 23/1114:35 -

2 stops19h 25m

Deal found 23/9£513

Wed 7/1006:30 -

2 stops19h 25m

Sat 17/1015:40 -

2 stops23h 40m

Deal found 25/9£519

Mon 7/1206:35 -

2 stops18h 25m

Thu 10/1214:35 -

2 stops24h 40m

Deal found 24/9£524

Fri 16/1006:50 -

2 stops21h 50m

Sun 25/1016:55 -

2 stops22h 05m

Deal found 25/9£531

Sat 21/1106:15 -

2 stops18h 45m

Fri 27/1114:35 -

2 stops21h 25m

Deal found 26/9£544

Thu 8/1016:25 -

2 stops31h 35m

Tue 13/1018:05 -

2 stops21h 54m

Deal found 23/9£569

Wed 18/1118:50 -

2 stops30h 10m

Thu 3/1214:35 -

2 stops23h 20m

Deal found 24/9£580

Fri 9/1006:35 -

1 stop18h 35m

Tue 13/1019:10 -

1 stop18h 10m

Deal found 24/9£580

Find flight deals from Stansted to Washington

Round-trip from	£482
One-way from	£391
Popular in	August
Cheapest in	February
Average price	£559

10/11-17/11
4 total stops
39h 25m total
London to Washington

Search Deals

1/12-31/12
3 total stops
56h 06m total
London to Washington

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (£30 potential increase over avg. return price).

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 September 2026

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Cheapflights Fare Finder

Use the filters below to find and compare flights from London Stansted Airport to Washington that are best for you.

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Price

Cheapest return flight

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Tue 6/10

06:30-18:45

2 stops20h 15m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£411

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Mon 9/11

08:05-17:00

1 stop16h 55m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£451

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Wed 30/12

06:15-21:56

2 stops23h 41m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£491

Fastest return journey

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Wed 4/11

08:15-17:00

2 stops16h 45m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£555

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Sat 3/10

21:40-13:45

1 stop24h 05m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£630

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Sat 13/2

17:20-22:45

2 stops37h 25m

Seattle/Tacoma Intl

Thu 18/2

11:00-16:20

2 stops45h 20m

£734

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Tue 10/11

17:20-17:10

1 stop31h 50m

Seattle/Tacoma Intl

Tue 17/11

10:50-16:20

2 stops45h 30m

£756

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Tue 27/10

17:20-15:32

2 stops29h 12m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£756

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Mon 5/10

10:50-22:56

2 stops44h 06m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£759

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Thu 29/10

10:55-15:32

2 stops35h 37m

Seattle/Tacoma Intl

Thu 19/11

19:05-16:20

1 stop37h 15m

£760

Flights are sorted by cheapest return flights first.

Deals found on 26/9

Showing 1-10 of 21 resultsSorted by cheapest first

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.

STN-SEA

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

STN-USWA

STN-SEA

No data available for this route at this time. Please check back soon.

Related info for your journey

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 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.

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Cheap flights from London Stansted Airport to Washington from £391

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Stansted to Washington

Cheapest flights from Stansted to WashingtonExplore 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 27 September 2026.

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 27 September 2026.

Best flights from Stansted to WashingtonDiscover carefully curated flight deals from Stansted to Washington that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 September 2026.

Discover carefully curated flight deals from Stansted to Washington that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 September 2026.

Last-minute flights from Stansted to WashingtonDiscover last-minute flight deals from Stansted to Washington. Data last updated 27 September 2026 and is based on user searches.

Discover last-minute flight deals from Stansted to Washington. Data last updated 27 September 2026 and is based on user searches.

One-way flights from Stansted to WashingtonSearch for one-way flight options from Stansted to Washington. Find affordable one-way fares based on user searches. Data last updated 27 September 2026.

Search for one-way flight options from Stansted to Washington. Find affordable one-way fares based on user searches. Data last updated 27 September 2026.

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Best time to book a flight from Stansted to Washington

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Related info for your journey

How long is the flight from London Stansted Airport to State of Washington?

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

How can I find direct flights from Stansted to Washington?

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

Browse thousands of different options on Cheapflights for your next trip

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Stansted and Washington flights

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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 27 September 2026.

Best flights from Stansted to Washington
Discover carefully curated flight deals from Stansted to Washington that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 September 2026.

Last-minute flights from Stansted to Washington
Discover last-minute flight deals from Stansted to Washington. Data last updated 27 September 2026 and is based on user searches.

One-way flights from Stansted to Washington
Search for one-way flight options from Stansted to Washington. Find affordable one-way fares based on user searches. Data last updated 27 September 2026.