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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 14 February 2026.

Sat 25/409:50

LHR

-

SEA

Nonstop9h 45m

British Airways

Wed 20/520:20

SEA

-

LHR

Nonstop9h 25m

British Airways

Deal found 12/2£458

Mon 27/409:50

LHR

-

SEA

Nonstop9h 45m

British Airways

Sun 3/513:35

SEA

-

LHR

Nonstop9h 15m

British Airways

Deal found 11/2£483

Wed 13/516:30

LHR

-

SEA

Nonstop9h 55m

British Airways

Sun 24/513:35

SEA

-

LHR

Nonstop9h 15m

British Airways

Deal found 12/2£505

Thu 2/709:50

LHR

-

SEA

Nonstop9h 45m

British Airways

Mon 13/713:35

SEA

-

LHR

Nonstop9h 15m

British Airways

Deal found 11/2£515

Fri 5/609:50

LHR

-

SEA

Nonstop9h 45m

British Airways

Fri 12/613:35

SEA

-

LHR

Nonstop9h 15m

British Airways

Deal found 13/2£523

Sun 7/609:50

LHR

-

SEA

Nonstop9h 45m

British Airways

Fri 12/613:35

SEA

-

LHR

Nonstop9h 15m

British Airways

Deal found 13/2£533

Fri 5/609:50

LHR

-

SEA

Nonstop9h 45m

British Airways

Sat 13/620:20

SEA

-

LHR

Nonstop9h 25m

British Airways

Deal found 13/2£534

Mon 13/409:50

LHR

-

SEA

Nonstop9h 45m

British Airways

Thu 23/420:20

SEA

-

LHR

Nonstop9h 25m

British Airways

Deal found 13/2£540

Sat 6/609:50

LHR

-

SEA

Nonstop9h 45m

British Airways

Fri 12/613:35

SEA

-

LHR

Nonstop9h 15m

British Airways

Deal found 13/2£546

Tue 14/409:50

LHR

-

SEA

Nonstop9h 45m

British Airways

Tue 28/420:20

SEA

-

LHR

Nonstop9h 25m

British Airways

Deal found 13/2£548

Sun 5/709:50

LHR

-

SEA

Nonstop9h 45m

British Airways

Fri 17/713:35

SEA

-

LHR

Nonstop9h 15m

British Airways

Deal found 11/2£550

Sat 6/609:50

LHR

-

SEA

Nonstop9h 45m

British Airways

Sat 13/620:20

SEA

-

LHR

Nonstop9h 25m

British Airways

Deal found 13/2£556

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

Tue 17/3

14:55-17:55

Nonstop10h 00m

Seattle/Tacoma Intl

Tue 24/3

14:25-07:00

Nonstop9h 35m

£582

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 14/4

09:50-11:35

Nonstop9h 45m

Seattle/Tacoma Intl

Wed 22/4

20:20-13:45

Nonstop9h 25m

£587

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 13/4

09:50-11:35

Nonstop9h 45m

Seattle/Tacoma Intl

Wed 22/4

13:35-06:50

Nonstop9h 15m

£587

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 12/8

16:30-18:25

Nonstop9h 55m

Seattle/Tacoma Intl

Wed 9/9

20:20-13:45

Nonstop9h 25m

£592

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 9/3

14:55-17:55

Nonstop10h 00m

Seattle/Tacoma Intl

Mon 23/3

19:50-12:20

Nonstop9h 30m

£597

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 15/4

09:50-11:35

Nonstop9h 45m

Seattle/Tacoma Intl

Sat 9/5

20:20-13:45

Nonstop9h 25m

£606

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 4/3

14:55-16:55

Nonstop10h 00m

Seattle/Tacoma Intl

Sun 8/3

19:50-12:20

Nonstop9h 30m

£623

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 14/4

17:45-20:04

Nonstop10h 19m

Seattle/Tacoma Intl

Thu 7/5

20:10-14:00

Nonstop9h 50m

£625

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 18/3

14:55-17:55

Nonstop10h 00m

Seattle/Tacoma Intl

Tue 24/3

14:25-07:00

Nonstop9h 35m

£627

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 29/6

17:00-18:45

Nonstop9h 45m

Seattle/Tacoma Intl

Mon 13/7

21:45-15:05

Nonstop9h 20m

£630

Flights are sorted by cheapest return flights first.

Deals found on 12/2

Showing 1-10 of 16 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

10.0

Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

7.7

Good

7.7

Good

Reviews

1 / 20

10.0

Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Virgin Atlantic

7.5

Good

7.7

Good

Reviews

1 / 20

10.0

Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

7.4

Good

7.7

Good

Reviews

1 / 20

10.0

Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

7.1

Good

7.7

Good

Reviews

1 / 20

10.0

Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

British Airways

6.7

Okay

7.7

Good

Reviews

1 / 20

10.0

Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 £1,154. If you're looking for a direct return flight to Seattle, you can expect to pay around £1,963.
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, February 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 £1,616.

See more FAQs

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