When is the best time to book a flight to Seattle?

The best time to book flights to Seattle is 54 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What airport do you fly into for flights to Seattle?

For a flight to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Booking flights from London to Seattle/Tacoma Intl should be relatively easy as there are 15 daily flights from 15 different airlines.

Can I find cheaper flights to Seattle if I am willing to have stopovers?

Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Seattle on Cheapflights that require 1 or 2 stops for potential cost savings.

What is the best airline to fly to Seattle?

Based on reviews from Cheapflights users, Lufthansa is rated the highest out of the airlines that fly to Seattle.

What is the cheapest airport to fly to in Seattle?

Seattle/Tacoma Intl is currently the cheapest airport to fly to in Seattle. One-way flights to Seattle/Tacoma Intl typically cost £21, while return flights cost around £50.

How much is a return flight to Seattle?

A return flight to Seattle will typically cost around £100, however they can be found for as little as £50.

Where does the fastest flight to Seattle depart from?

For those looking to save time traveling to Seattle, London offers the quickest one-way flight (9 hours 45 minutes).

Does Seattle/Tacoma Intl have car hire?

Yes. Those touching down at Seattle/Tacoma Intl can take advantage of the car hire services offered upon their arrival.

Are there hotels close to Seattle/Tacoma Intl?

Yes. Seattle/Tacoma Intl has hotels nearby for those requiring accommodations. Seatac Inn is the closest property to Seattle/Tacoma Intl (0.0 mi away from Seattle/Tacoma Intl).

What are the most popular airlines that fly to Seattle?

The most popular airlines flying from London to Seattle are Virgin Atlantic, British Airways and Icelandair.

How long is the flight to Seattle?

On average, a flight from London to Seattle takes 14 hours 13 minutes. Flights to Seattle from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

Weekly flight availability to Seattle

The most flights from London to Seattle are scheduled on a Monday (21 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (10 on average).

What are the cheapest airlines that fly to Seattle?

The cheapest airlines flying from London to Seattle are Lufthansa, Icelandair and Iberia.

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).

Cheap Flights to Seattle from £329

Flights to Seattle in 2026

Return from	£446
One-way from	£329
Popular in	July
Cheapest in	February
Average price	£531
Good round-trip deal	£664 or less
Good one-way deal	£507 or less

Icelandair
23/4-3/5
2 total stops
25h 05m total
London to Seattle

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21/5
2 total stops
20h 49m total
London to Seattle

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Highest demand for flights based on searches. 12% potential increase in price (£76 potential increase over avg. return price).

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Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).

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Average for return flights in April 2026

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Price to beat on a round-trip flight from London to Seattle/Tacoma Intl.

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Price to beat on a one-way flight from London to Seattle/Tacoma Intl.

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Find flight deals to Seattle

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights to Seattle
Explore the most affordable flight options available to Seattle. Find the lowest fares based on data from user searches, with prices last updated on 1 April 2026.

Thu 23/413:05

LHR

SEA

1 stop12h 50m

Icelandair

Sun 3/515:40

SEA

LHR

1 stop12h 15m

Icelandair

Deal found 27/3£446

Tue 21/413:05

LHR

SEA

1 stop15h 35m

Icelandair

Sun 3/515:40

SEA

LHR

1 stop12h 15m

Icelandair

Deal found 27/3£446

Fri 22/509:50

LHR

SEA

Nonstop9h 45m

British Airways

Wed 24/613:30

SEA

LHR

Nonstop9h 15m

British Airways

Deal found 29/3£456

Mon 27/406:30

STN

SEA

3 stops35h 10m

Multiple Airlines

Mon 4/515:40

SEA

STN

2 stops19h 35m

Multiple Airlines

Deal found 30/3£458

Wed 22/413:05

LHR

SEA

1 stop15h 35m

Icelandair

Tue 5/515:40

SEA

LHR

1 stop12h 15m

Icelandair

Deal found 27/3£458

Thu 1/1016:30

LHR

SEA

Nonstop9h 55m

British Airways

Mon 12/1020:20

SEA

LHR

Nonstop9h 25m

British Airways

Deal found 30/3£465

Tue 21/409:50

LHR

SEA

Nonstop9h 45m

British Airways

Mon 4/513:30

SEA

LHR

Nonstop9h 15m

British Airways

Deal found 27/3£466

Mon 13/408:30

STN

SEA

3 stops37h 49m

Multiple Airlines

Sun 26/415:40

SEA

STN

2 stops20h 15m

Multiple Airlines

Deal found 30/3£470

Tue 21/413:05

LHR

SEA

1 stop15h 35m

Icelandair

Sat 9/515:40

SEA

LHR

1 stop12h 15m

Icelandair

Deal found 27/3£470

Wed 22/413:05

LHR

SEA

1 stop15h 35m

Icelandair

Fri 8/515:40

SEA

LHR

1 stop12h 15m

Icelandair

Deal found 27/3£477

Mon 13/421:25

LHR

SEA

1 stop31h 15m

Icelandair

Sun 26/415:40

SEA

LHR

1 stop12h 15m

Icelandair

Deal found 30/3£480

Thu 23/410:25

LGW

SEA

1 stop13h 35m

Condor

Mon 27/418:10

SEA

LGW

1 stop16h 40m

Condor

Deal found 31/3£484

Best flights to Seattle
Discover carefully curated flight deals to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 April 2026.

Fri 1/506:20

LTN

SEA

3 stops35h 20m

Multiple Airlines

Mon 4/515:40

SEA

LTN

3 stops25h 30m

Multiple Airlines

Deal found 29/3£518

Wed 6/515:40

LGW

SEA

1 stop13h 00m

Icelandair

Sun 10/519:00

SEA

LGW

1 stop11h 40m

Icelandair

Deal found 31/3£530

Thu 14/506:30

LHR

SEA

1 stop13h 12m

Delta

Thu 28/520:10

SEA

LHR

Nonstop9h 50m

Delta

Deal found 31/3£586

Tue 25/806:15

LHR

SEA

2 stops21h 47m

British Airways

Sun 6/913:32

SEA

LHR

1 stop34h 33m

British Airways

Deal found 31/3£612

Thu 28/510:25

LGW

SEA

2 stops21h 30m

Virgin Atlantic

Thu 4/613:30

SEA

LGW

1 stop11h 55m

Virgin Atlantic

Deal found 28/3£618

Thu 11/609:20

LCY

SEA

1 stop15h 04m

KLM

Sun 5/713:45

SEA

LCY

1 stop11h 45m

KLM

Deal found 30/3£621

Thu 3/919:30

LHR

SEA

1 stop26h 15m

Scandinavian Airlines

Thu 17/909:50

SEA

LHR

2 stops22h 10m

Scandinavian Airlines

Deal found 28/3£637

Mon 4/510:50

STN

SEA

1 stop38h 25m

Turkish Airlines

Fri 8/519:10

SEA

STN

1 stop30h 45m

Turkish Airlines

Deal found 28/3£713

Mon 13/408:15

LTN

SEA

1 stop16h 55m

Multiple Airlines

Sun 26/419:10

SEA

LTN

1 stop12h 15m

Multiple Airlines

Deal found 31/3£524

Wed 6/515:40

LGW

SEA

1 stop13h 00m

Icelandair

Sun 10/519:00

SEA

LGW

1 stop11h 40m

Icelandair

Deal found 29/3£530

Wed 6/515:40

LGW

SEA

1 stop13h 00m

Icelandair

Sun 10/519:00

SEA

LGW

1 stop11h 40m

Icelandair

Deal found 27/3£532

Thu 14/509:55

LHR

SEA

1 stop14h 35m

Delta

Tue 2/622:05

SEA

LHR

Nonstop9h 30m

Delta

Deal found 31/3£586

Mon 13/407:15

LTN

SEA

2 stops16h 55m

Multiple Airlines

Sun 26/417:40

SEA

LTN

2 stops16h 45m

Multiple Airlines

Deal found 28/3£557

Thu 28/509:20

LCY

SEA

1 stop15h 10m

Virgin Atlantic

Thu 4/613:55

SEA

LCY

1 stop19h 25m

Virgin Atlantic

Deal found 28/3£624

Mon 20/410:00

LCY

SEA

1 stop14h 30m

KLM

Tue 28/413:40

SEA

LCY

1 stop11h 50m

KLM

Deal found 1/4£636

Fri 15/506:40

LHR

SEA

2 stops24h 00m

Scandinavian Airlines

Tue 15/915:55

SEA

LHR

2 stops21h 40m

Scandinavian Airlines

Deal found 27/3£641

Fri 12/606:30

LHR

SEA

1 stop13h 07m

Delta

Mon 22/622:05

SEA

LHR

Nonstop9h 30m

Delta

Deal found 31/3£613

Mon 13/407:15

LTN

SEA

2 stops16h 55m

Multiple Airlines

Sun 26/417:40

SEA

LTN

2 stops16h 45m

Multiple Airlines

Deal found 28/3£561

Thu 13/810:25

LGW

SEA

2 stops21h 57m

Virgin Atlantic

Tue 25/813:30

SEA

LGW

1 stop18h 30m

Virgin Atlantic

Deal found 31/3£635

Wed 6/517:45

STN

SEA

1 stop31h 30m

Turkish Airlines

Sun 10/519:10

SEA

STN

1 stop19h 00m

Turkish Airlines

Deal found 30/3£732

Fri 15/515:40

LGW

SEA

1 stop13h 00m

Icelandair

Thu 17/919:00

SEA

LGW

1 stop11h 40m

Icelandair

Deal found 27/3£619

Sat 16/511:40

LHR

SEA

Nonstop10h 20m

Delta

Thu 28/520:10

SEA

LHR

Nonstop9h 50m

Delta

Deal found 31/3£620

Fri 10/717:45

LHR

SEA

Nonstop10h 18m

Virgin Atlantic

Fri 17/705:20

SEA

LHR

1 stop17h 50m

Virgin Atlantic

Deal found 29/3£642

Thu 11/609:20

LCY

SEA

1 stop15h 04m

KLM

Tue 16/613:55

SEA

LCY

1 stop11h 35m

KLM

Deal found 28/3£722

Wed 6/506:55

STN

SEA

1 stop18h 20m

Turkish Airlines

Sun 10/519:10

SEA

STN

1 stop19h 00m

Turkish Airlines

Deal found 27/3£735

Fri 1/506:20

LTN

SEA

3 stops35h 20m

Multiple Airlines

Mon 4/519:00

SEA

LTN

2 stops19h 05m

Multiple Airlines

Deal found 29/3£614

Thu 9/706:30

LHR

SEA

1 stop13h 03m

Delta

Tue 21/717:51

SEA

LHR

1 stop15h 39m

Delta

Deal found 30/3£635

Wed 29/717:00

LGW

SEA

1 stop26h 15m

Virgin Atlantic

Tue 11/813:30

SEA

LGW

1 stop18h 30m

Virgin Atlantic

Deal found 31/3£673

Fri 15/506:55

STN

SEA

1 stop18h 20m

Turkish Airlines

Mon 3/812:35

SEA

STN

1 stop37h 20m

Turkish Airlines

Deal found 28/3£769

Sun 17/506:30

LHR

SEA

1 stop18h 00m

Delta

Fri 29/521:45

SEA

LHR

Nonstop9h 50m

Delta

Deal found 31/3£637

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Flights to Seattle in 2026

Find the latest flights to Seattle in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 1 April 2026.

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One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals to Seattle

Cheapest flights to Seattle
Explore the most affordable flight options available to Seattle. Find the lowest fares based on data from user searches, with prices last updated on 1 April 2026.

Explore the most affordable flight options available to Seattle. Find the lowest fares based on data from user searches, with prices last updated on 1 April 2026.

Best flights to Seattle
Discover carefully curated flight deals to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 April 2026.

Discover carefully curated flight deals to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 April 2026.

Direct flights to Seattle
Explore direct flight options to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 April 2026.

Explore direct flight options to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 April 2026.

Last-minute flights to Seattle
Discover last-minute flight deals to Seattle. Data last updated 1 April 2026 and is based on user searches.

Discover last-minute flight deals to Seattle. Data last updated 1 April 2026 and is based on user searches.

One-way flights to Seattle
Search for one-way flight options to Seattle. Find affordable one-way fares based on user searches. Data last updated 1 April 2026.

Search for one-way flight options to Seattle. Find affordable one-way fares based on user searches. Data last updated 1 April 2026.

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Flights to Seattle in 2026

Find the latest flights to Seattle in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 1 April 2026.

Return from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals to Seattle

Cheapest flights to SeattleExplore the most affordable flight options available to Seattle. Find the lowest fares based on data from user searches, with prices last updated on 1 April 2026.

Explore the most affordable flight options available to Seattle. Find the lowest fares based on data from user searches, with prices last updated on 1 April 2026.

Best flights to SeattleDiscover carefully curated flight deals to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 April 2026.

Discover carefully curated flight deals to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 April 2026.

Direct flights to SeattleExplore direct flight options to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 April 2026.

Explore direct flight options to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 April 2026.

Last-minute flights to SeattleDiscover last-minute flight deals to Seattle. Data last updated 1 April 2026 and is based on user searches.

Discover last-minute flight deals to Seattle. Data last updated 1 April 2026 and is based on user searches.

One-way flights to SeattleSearch for one-way flight options to Seattle. Find affordable one-way fares based on user searches. Data last updated 1 April 2026.

Search for one-way flight options to Seattle. Find affordable one-way fares based on user searches. Data last updated 1 April 2026.

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Book with Flexibility

Travel Smart

Cheapest flights to Seattle
Explore the most affordable flight options available to Seattle. Find the lowest fares based on data from user searches, with prices last updated on 1 April 2026.

Best flights to Seattle
Discover carefully curated flight deals to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 April 2026.

Direct flights to Seattle
Explore direct flight options to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 April 2026.

Last-minute flights to Seattle
Discover last-minute flight deals to Seattle. Data last updated 1 April 2026 and is based on user searches.

One-way flights to Seattle
Search for one-way flight options to Seattle. Find affordable one-way fares based on user searches. Data last updated 1 April 2026.