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

For as low as £657, Turkish Airlines can have you in London Stansted Airport from State of Washington in 37h 15m. There are 4778 mi between State of Washington and London Stansted Airport.

In terms of precipitation, rainfall in London Stansted Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Stansted Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Stansted Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of Washington to London Stansted Airport as you normally would.

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

Yes. In addition to deals on Washington to Stansted flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Washington to Stansted?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Stansted.

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

Yes. Cheapflights offers flight deals from Washington to Stansted by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£252+ Cheap Flights from Washington to London Stansted Airport

Cheap flight deals from Washington to Stansted

Enter your travel dates to find the best prices.

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Best

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Cheapest flights from Washington to Stansted
Explore the most affordable flight options available from Washington to Stansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 September 2026.

Fri 2/1015:55 -

1 stop21h 15m

Fri 9/1006:20 -

1 stop15h 25m

Deal found 20/9£582

Sun 25/1016:55 -

2 stops21h 40m

Mon 2/1106:45 -

2 stops18h 15m

Deal found 19/9£583

Thu 5/1117:50 -

2 stops20h 15m

Thu 19/1106:05 -

2 stops17h 50m

Deal found 20/9£584

Tue 6/1013:37 -

2 stops25h 43m

Tue 13/1011:35 -

1 stop13h 35m

Deal found 23/9£585

Thu 1/1005:50 -

2 stops29h 45m

Thu 8/1006:30 -

2 stops18h 29m

Deal found 20/9£587

Fri 13/1114:50 -

2 stops20h 10m

Thu 19/1117:00 -

3 stops28h 00m

Deal found 22/9£588

Mon 28/923:42 -

2 stops26h 08m

Tue 13/1011:35 -

1 stop13h 35m

Deal found 21/9£588

Sun 4/1023:42 -

2 stops26h 08m

Tue 20/1008:30 -

1 stop16h 40m

Deal found 23/9£591

Mon 19/1010:50 -

3 stops27h 35m

Thu 29/1009:50 -

2 stops35h 10m

Deal found 18/9£593

Sat 21/1107:45 -

3 stops26h 40m

Sat 28/1113:55 -

2 stops31h 05m

Deal found 18/9£594

Sun 4/1015:55 -

1 stop15h 45m

Sat 10/1005:55 -

1 stop15h 50m

Deal found 21/9£595

Fri 23/1005:50 -

2 stops29h 30m

Sun 1/1122:05 -

2 stops21h 55m

Deal found 19/9£598

Find flight deals from Washington to Stansted

Round-trip from	£583
One-way from	£252
Popular in	June
Cheapest in	January
Average price	£690

25/10-2/11
4 total stops
39h 55m total
Washington to London

Search Deals

1/12-31/12
2 total stops
20h 15m total
Washington to London

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (£104 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£17 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 Washington to London Stansted Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleLondon

SEA Seattle/Tacoma Intl - STN London Stansted

SEASTN

Seattle/Tacoma Intl

Sat 21/11

13:50-07:30

3 stops33h 40m

London Stansted

Wed 31/12

00:00-15:00

Nonstop0h 00m

£336

SeattleLondon

SEA Seattle/Tacoma Intl - STN London Stansted

SEASTN

Seattle/Tacoma Intl

Mon 28/12

19:05-09:55

1 stop30h 50m

London Stansted

Wed 31/12

00:00-15:00

Nonstop0h 00m

£434

SeattleLondon

SEA Seattle/Tacoma Intl - STN London Stansted

SEASTN

Seattle/Tacoma Intl

Thu 29/10

20:05-09:55

1 stop30h 50m

London Stansted

Wed 31/12

00:00-15:00

Nonstop0h 00m

£457

SeattleLondon

SEA Seattle/Tacoma Intl - STN London Stansted

SEASTN

Seattle/Tacoma Intl

Fri 26/2

19:05-16:20

1 stop37h 15m

London Stansted

Wed 31/12

00:00-15:00

Nonstop0h 00m

£459

SeattleLondon

SEA Seattle/Tacoma Intl - STN London Stansted

SEASTN

Seattle/Tacoma Intl

Sat 26/12

19:05-09:55

1 stop30h 50m

London Stansted

Wed 31/12

00:00-15:00

Nonstop0h 00m

£464

SeattleLondon

SEA Seattle/Tacoma Intl - STN London Stansted

SEASTN

Seattle/Tacoma Intl

Fri 1/1

19:05-09:55

1 stop30h 50m

London Stansted

Wed 31/12

00:00-15:00

Nonstop0h 00m

£514

Fastest return journey

SeattleLondon

SEA Seattle/Tacoma Intl - STN London Stansted

SEASTN

Seattle/Tacoma Intl

Tue 29/9

18:50-15:35

1 stop12h 45m

London Stansted

Wed 31/12

00:00-15:00

Nonstop0h 00m

£522

SeattleLondon

SEA Seattle/Tacoma Intl - STN London Stansted

SEASTN

Seattle/Tacoma Intl

Wed 30/9

18:50-15:35

1 stop12h 45m

London Stansted

Wed 31/12

00:00-15:00

Nonstop0h 00m

£522

SeattleLondon

SEA Seattle/Tacoma Intl - STN London Stansted

SEASTN

Seattle/Tacoma Intl

Tue 8/12

13:14-16:20

2 stops43h 06m

London Stansted

Wed 31/12

00:00-15:00

Nonstop0h 00m

£552

SeattleLondon

SEA Seattle/Tacoma Intl - STN London Stansted

SEASTN

Seattle/Tacoma Intl

Tue 19/1

19:05-09:55

1 stop30h 50m

London Stansted

Thu 28/1

10:55-17:10

1 stop38h 15m

£657

Flights are sorted by cheapest return flights first.

Deals found on 18/9

Showing 1-10 of 20 resultsSorted by cheapest first

Best time to book a flight from Washington to Stansted

Have a flexible travel schedule? Discover the best time to fly to Stansted from Washington with our price prediction graph.

SEA-STN

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 Washington to London Stansted Airport

USWA-STN

SEA-STN

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

Related info for your journey

How long is the flight from State of Washington to London Stansted Airport?
For as low as £657, Turkish Airlines can have you in London Stansted Airport from State of Washington in 37h 15m. There are 4778 mi between State of Washington and London Stansted Airport.
Can I find deals for flights from Washington to Stansted that include hotel bookings?
Yes. In addition to deals on Washington to Stansted flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Washington to Stansted?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Stansted.
Can I find deals for business class flights from Washington to Stansted?
Yes. Cheapflights offers flight deals from Washington to Stansted 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 Washington to London Stansted Airport from £252

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 Washington to Stansted

Cheapest flights from Washington to StanstedExplore the most affordable flight options available from Washington to Stansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 September 2026.

Explore the most affordable flight options available from Washington to Stansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 September 2026.

Best flights from Washington to StanstedDiscover carefully curated flight deals from Washington to Stansted that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 September 2026.

Discover carefully curated flight deals from Washington to Stansted that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 September 2026.

Last-minute flights from Washington to StanstedDiscover last-minute flight deals from Washington to Stansted. Data last updated 23 September 2026 and is based on user searches.

Discover last-minute flight deals from Washington to Stansted. Data last updated 23 September 2026 and is based on user searches.

One-way flights from Washington to StanstedSearch for one-way flight options from Washington to Stansted. Find affordable one-way fares based on user searches. Data last updated 23 September 2026.

Search for one-way flight options from Washington to Stansted. Find affordable one-way fares based on user searches. Data last updated 23 September 2026.

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Related info for your journey

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

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

How can I find direct flights from Washington to Stansted?

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

Travelling to a place near London Stansted Airport?

Browse thousands of different options on Cheapflights for your next trip

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Search flights from Washington to Stansted by cabin class

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Washington and Stansted flights

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Cheapest flights from Washington to Stansted
Explore the most affordable flight options available from Washington to Stansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 September 2026.

Best flights from Washington to Stansted
Discover carefully curated flight deals from Washington to Stansted that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 September 2026.

Last-minute flights from Washington to Stansted
Discover last-minute flight deals from Washington to Stansted. Data last updated 23 September 2026 and is based on user searches.

One-way flights from Washington to Stansted
Search for one-way flight options from Washington to Stansted. Find affordable one-way fares based on user searches. Data last updated 23 September 2026.