Direct flights to Seattle | Cheapflights

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Best

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 20 February 2026.

Fri 8/509:50

LHR

-

SEA

Nonstop9h 45m

British Airways

Mon 1/620:20

SEA

-

LHR

Nonstop9h 25m

British Airways

Deal found 16/2£476

Wed 13/509:50

LHR

-

SEA

Nonstop9h 45m

British Airways

Sat 30/520:20

SEA

-

LHR

Nonstop9h 25m

British Airways

Deal found 16/2£487

Tue 12/516:30

LHR

-

SEA

Nonstop9h 55m

British Airways

Mon 1/613:35

SEA

-

LHR

Nonstop9h 15m

British Airways

Deal found 16/2£488

Sat 9/509:50

LHR

-

SEA

Nonstop9h 45m

British Airways

Mon 1/613:35

SEA

-

LHR

Nonstop9h 15m

British Airways

Deal found 16/2£490

Sun 10/509:50

LHR

-

SEA

Nonstop9h 45m

British Airways

Sun 31/513:35

SEA

-

LHR

Nonstop9h 15m

British Airways

Deal found 16/2£493

Fri 8/516:30

LHR

-

SEA

Nonstop9h 55m

British Airways

Wed 3/620:20

SEA

-

LHR

Nonstop9h 25m

British Airways

Deal found 16/2£496

Fri 8/509:50

LHR

-

SEA

Nonstop9h 45m

British Airways

Sun 31/513:35

SEA

-

LHR

Nonstop9h 15m

British Airways

Deal found 16/2£498

Thu 14/509:50

LHR

-

SEA

Nonstop9h 45m

British Airways

Sat 30/520:20

SEA

-

LHR

Nonstop9h 25m

British Airways

Deal found 16/2£509

Sun 10/516:30

LHR

-

SEA

Nonstop9h 55m

British Airways

Tue 2/620:20

SEA

-

LHR

Nonstop9h 25m

British Airways

Deal found 16/2£510

Sat 9/509:50

LHR

-

SEA

Nonstop9h 45m

British Airways

Sun 31/520:20

SEA

-

LHR

Nonstop9h 25m

British Airways

Deal found 16/2£512

Sun 10/516:30

LHR

-

SEA

Nonstop9h 55m

British Airways

Sat 30/520:20

SEA

-

LHR

Nonstop9h 25m

British Airways

Deal found 16/2£544

Wed 15/409:50

LHR

-

SEA

Nonstop9h 45m

British Airways

Wed 29/413:35

SEA

-

LHR

Nonstop9h 15m

British Airways

Deal found 16/2£547

Best time to book a flight to Seattle

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

LON-SEA

LHR-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.

Fly from

Route

Depart

Return

Price

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 6/5

09:50-11:35

Nonstop9h 45m

Seattle/Tacoma Intl

Thu 21/5

20:20-13:45

Nonstop9h 25m

£558

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 13/4

09:50-11:35

Nonstop9h 45m

Seattle/Tacoma Intl

Mon 27/4

20:20-13:45

Nonstop9h 25m

£591

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 30/4

09:50-11:35

Nonstop9h 45m

Seattle/Tacoma Intl

Tue 19/5

13:35-06:50

Nonstop9h 15m

£612

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 8/4

16:30-18:25

Nonstop9h 55m

Seattle/Tacoma Intl

Mon 27/4

20:20-13:45

Nonstop9h 25m

£614

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 11/5

09:50-11:35

Nonstop9h 45m

Seattle/Tacoma Intl

Tue 2/6

20:20-13:45

Nonstop9h 25m

£620

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 13/5

09:50-11:35

Nonstop9h 45m

Seattle/Tacoma Intl

Tue 2/6

20:20-13:45

Nonstop9h 25m

£620

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 13/5

09:50-11:35

Nonstop9h 45m

Seattle/Tacoma Intl

Mon 1/6

20:20-13:45

Nonstop9h 25m

£620

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 19/3

14:55-17:55

Nonstop10h 00m

Seattle/Tacoma Intl

Mon 23/3

19:50-12:20

Nonstop9h 30m

£623

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 15/4

09:50-11:35

Nonstop9h 45m

£378

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 20/4

09:50-11:35

Nonstop9h 45m

£381

Flights are sorted by cheapest return flights first.

Deals found on 16/2

Showing 1-10 of 17 results

1

2

Reviews of airlines flying non-stop to Seattle

Check out reviews from past customers who have flown KLM, Virgin Atlantic, andAir France to the United States to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

7.7

Good

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

7.7

Good

7.7

Good

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Virgin Atlantic

7.5

Good

7.7

Good

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

7.4

Good

7.7

Good

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

7.1

Good

7.7

Good

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

British Airways

6.7

Okay

7.7

Good

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

FAQ about direct flights to Seattle

How much are direct flights to Seattle?
On average, a one-way direct flight to Seattle will cost users approximately £1,327. If you're looking for a direct return flight to Seattle, you can expect to pay around £2,243.
Which airlines fly direct to Seattle?
At the moment, Virgin Atlantic, British Airways, KLM, Air France, Finnair, Aer Lingus, Delta, American Airlines, Lufthansa, Iberia offer direct flights to Seattle. Virgin Atlantic is currently the most popular airline that flies direct to Seattle.
How long is a direct flight to Seattle?
While the flight duration depends heavily on the origin, travellers can expect non-stop flights to Seattle to last approximately 9h 45m on average. The quickest direct flight to Seattle at this time departs from London Heathrow Airport (9h 45m), while the longest leaves from London Heathrow Airport (9h 45m).
What is the best time of year to fly direct to Seattle?
If you're seeking the lowest price on a direct flight to Seattle, January is worth consideration, as prices are usually at their lowest, on average. January may be most appealing to users looking for the quietest time to visit Seattle, when demand is typically at its lowest.
What is the most popular direct flight origin to Seattle?
Currently, the most popular direct flight origin to Seattle is London Heathrow Airport. A return direct flight from London Heathrow Airport to Seattle typically costs around £1,877.

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