How long is the flight from London Stansted Airport to Seattle?

For as low as £746, Turkish Airlines can have you in Seattle from London Stansted Airport in 37h 08m. The distance from London Stansted Airport to Seattle is about 4778 mi.

In terms of precipitation, rainfall in Seattle 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 Seattle when rainfall is around 18.0 mm.

If weather is an important factor for your trip to Seattle, 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 SEA?

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

What airport do you fly into for flights to Seattle from London Stansted?

Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from London Stansted. On average, Seattle/Tacoma Intl has 0 inbound flights from London Stansted per day from 0 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

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

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

How can I find direct flights from Stansted to Seattle?

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

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

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

£389+ Cheap Flights from London Stansted Airport to Seattle

Cheap flight deals from Stansted to Seattle

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Stansted to Seattle
Explore the most affordable flight options available from Stansted to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 November 2026.

Wed 25/1107:15 -

2 stops17h 45m

Sun 29/1114:35 -

2 stops24h 10m

Deal found 9/11£528

Fri 20/1122:20 -

2 stops26h 40m

Sun 29/1114:35 -

2 stops21h 50m

Deal found 8/11£593

Sat 14/1107:55 -

2 stops17h 05m

Fri 27/1114:35 -

2 stops16h 40m

Deal found 8/11£603

Thu 3/1207:20 -

2 stops17h 40m

Mon 7/1214:35 -

2 stops16h 30m

Deal found 7/11£614

Thu 3/1207:20 -

2 stops17h 40m

Wed 13/114:35 -

2 stops18h 25m

Deal found 9/11£618

Mon 23/1117:30 -

2 stops31h 30m

Sun 6/1214:35 -

2 stops17h 05m

Deal found 5/11£622

Tue 24/1120:50 -

2 stops23h 10m

Sun 29/1107:45 -

2 stops18h 40m

Deal found 10/11£629

Thu 12/1106:25 -

2 stops17h 30m

Sun 15/1115:00 -

2 stops19h 15m

Deal found 7/11£629

Find flight deals from Stansted to Seattle

Round-trip from	£453
One-way from	£389
Popular in	August
Cheapest in	February
Average price	£492

15/1-22/1
4 total stops
37h 35m total
London to Seattle

Search Deals

14/12-31/12
3 total stops
56h 32m total
London to Seattle

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (£37 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 November 2026

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Wed 3/2

10:55-16:03

2 stops37h 08m

Seattle/Tacoma Intl

Wed 3/3

19:05-16:20

1 stop37h 15m

£746

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Wed 9/12

10:55-22:43

2 stops43h 48m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£755

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Thu 26/11

17:20-23:20

2 stops38h 00m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£755

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Sun 31/1

17:20-20:48

2 stops35h 28m

Seattle/Tacoma Intl

Sat 6/2

10:52-09:55

2 stops39h 03m

£765

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Wed 25/11

10:55-17:10

1 stop38h 15m

Seattle/Tacoma Intl

Wed 13/1

10:52-09:55

2 stops39h 03m

£776

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Sun 22/11

10:55-17:10

1 stop38h 15m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£787

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Tue 5/1

17:20-22:57

2 stops37h 37m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£788

Fastest return journey

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Sun 29/11

17:20-17:10

1 stop31h 50m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£791

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Fri 27/11

10:55-17:10

1 stop38h 15m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£794

LondonSeattle

STN London Stansted - SEA Seattle/Tacoma Intl

STNSEA

London Stansted

Wed 10/3

10:55-17:10

1 stop38h 15m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£797

Flights are sorted by cheapest return flights first.

Deals found on 7/11

Showing 1-10 of 21 resultsSorted by cheapest first

Best time to book a flight from Stansted to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle 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.

Related info for your journey

What airport do you fly into for flights to Seattle from London Stansted?
Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from London Stansted. On average, Seattle/Tacoma Intl has 0 inbound flights from London Stansted per day from 0 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.
How long is the flight from London Stansted Airport to Seattle?
For as low as £746, Turkish Airlines can have you in Seattle from London Stansted Airport in 37h 08m. The distance from London Stansted Airport to Seattle is about 4778 mi.
Can I find deals for flights from Stansted to Seattle that include hotel bookings?
Yes. In addition to deals on Stansted to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Stansted to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to Seattle.
Can I find deals for business class flights from Stansted to Seattle?
Yes. Cheapflights offers flight deals from Stansted to Seattle 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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How does Cheapflights help users find flights from Stansted to Seattle?

Cheapflights helps you search for flights from Stansted to Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Stansted to Seattle?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Seattle from Stansted.

Can Cheapflights find flights from Stansted to Seattle with no change fees?

Certainly. Search results for flights to Seattle from Stansted shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Stansted to Seattle become cheaper?

Yes, Cheapflights offers price alerts on Stansted to Seattle flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from London Stansted Airport to Seattle from £389

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Stansted to Seattle

Cheapest flights from Stansted to SeattleExplore the most affordable flight options available from Stansted to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 November 2026.

Explore the most affordable flight options available from Stansted to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 November 2026.

Best flights from Stansted to SeattleDiscover carefully curated flight deals from Stansted to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 November 2026.

Discover carefully curated flight deals from Stansted to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 November 2026.

Last-minute flights from Stansted to SeattleDiscover last-minute flight deals from Stansted to Seattle. Data last updated 10 November 2026 and is based on user searches.

Discover last-minute flight deals from Stansted to Seattle. Data last updated 10 November 2026 and is based on user searches.

One-way flights from Stansted to SeattleSearch for one-way flight options from Stansted to Seattle. Find affordable one-way fares based on user searches. Data last updated 10 November 2026.

Search for one-way flight options from Stansted to Seattle. Find affordable one-way fares based on user searches. Data last updated 10 November 2026.

Find flight deals from Stansted to Seattle

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

Best time to book a flight from Stansted to Seattle

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

Related info for your journey

What airport do you fly into for flights to Seattle from London Stansted?

How long is the flight from London Stansted Airport to Seattle?

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

How can I find direct flights from Stansted to Seattle?

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

Travelling to a place near Seattle?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Stansted to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Seattle by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Washington

Book a non-stop flight to one of these other cities located in Washington.

Search flights from Stansted to Seattle by cabin class

Find flights from Stansted to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Stansted and Seattle flights

Browse other Stansted and Seattle flight options. Last updated on 10 November 2026.

Other flights from Stansted

Browse through other flights departing from Stansted. Flights are based on user searches made on Cheapflights and were last updated on 10 November 2026.

Popular flight searches

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Other flights to Seattle

Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 10 November 2026.

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How does Cheapflights help users find flights from Stansted to Seattle?

Why should you use Cheapflights to find cheap flight tickets from Stansted to Seattle?

Can Cheapflights find flights from Stansted to Seattle with no change fees?

Can Cheapflights notify me if prices for flights from Stansted to Seattle become cheaper?

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Cheapest flights from Stansted to Seattle
Explore the most affordable flight options available from Stansted to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 November 2026.

Best flights from Stansted to Seattle
Discover carefully curated flight deals from Stansted to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 November 2026.

Last-minute flights from Stansted to Seattle
Discover last-minute flight deals from Stansted to Seattle. Data last updated 10 November 2026 and is based on user searches.

One-way flights from Stansted to Seattle
Search for one-way flight options from Stansted to Seattle. Find affordable one-way fares based on user searches. Data last updated 10 November 2026.