Direct flights to Seattle | Cheapflights

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Best

Last-minute

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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 2 February 2026.

Tue 17/212:20

LHR

-

SEA

Nonstop10h 25m

Virgin Atlantic

Tue 24/216:55

SEA

-

LHR

Nonstop9h 35m

Virgin Atlantic

Deal found 1/2£374

Wed 4/312:20

LHR

-

SEA

Nonstop10h 25m

Virgin Atlantic

Wed 18/317:40

SEA

-

LHR

Nonstop9h 50m

Virgin Atlantic

Deal found 31/1£375

Wed 18/312:20

LHR

-

SEA

Nonstop10h 20m

Virgin Atlantic

Wed 25/317:40

SEA

-

LHR

Nonstop9h 50m

Virgin Atlantic

Deal found 1/2£379

Mon 2/312:20

LHR

-

SEA

Nonstop10h 25m

Virgin Atlantic

Tue 17/319:25

SEA

-

LHR

Nonstop9h 30m

Virgin Atlantic

Deal found 31/1£380

Mon 15/609:50

LHR

-

SEA

Nonstop9h 45m

British Airways

Tue 8/920:20

SEA

-

LHR

Nonstop9h 25m

British Airways

Deal found 31/1£386

Mon 4/517:45

LHR

-

SEA

Nonstop10h 26m

Virgin Atlantic

Mon 11/521:45

SEA

-

LHR

Nonstop9h 50m

Virgin Atlantic

Deal found 31/1£387

Tue 24/214:30

LHR

-

SEA

Nonstop10h 05m

KLM

Tue 3/316:45

SEA

-

LHR

Nonstop9h 45m

KLM

Deal found 1/2£388

Tue 10/312:20

LHR

-

SEA

Nonstop10h 20m

KLM

Tue 17/319:25

SEA

-

LHR

Nonstop9h 30m

KLM

Deal found 31/1£390

Wed 4/312:20

LHR

-

SEA

Nonstop10h 25m

KLM

Wed 18/317:40

SEA

-

LHR

Nonstop9h 50m

KLM

Deal found 2/2£391

Tue 17/314:30

LHR

-

SEA

Nonstop10h 05m

Virgin Atlantic

Tue 24/319:25

SEA

-

LHR

Nonstop9h 30m

Virgin Atlantic

Deal found 31/1£393

Wed 25/212:20

LHR

-

SEA

Nonstop10h 25m

Delta

Wed 11/317:40

SEA

-

LHR

Nonstop9h 50m

Delta

Deal found 1/2£397

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 10/3

12:20-15:40

Nonstop10h 20m

Seattle/Tacoma Intl

Tue 17/3

19:25-11:55

Nonstop9h 30m

£390

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 4/3

12:20-14:45

Nonstop10h 25m

Seattle/Tacoma Intl

Wed 18/3

17:40-10:30

Nonstop9h 50m

£391

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 17/2

12:20-14:45

Nonstop10h 25m

Seattle/Tacoma Intl

Thu 26/2

18:25-11:55

Nonstop9h 30m

£397

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 16/2

12:20-14:45

Nonstop10h 25m

Seattle/Tacoma Intl

Mon 2/3

18:25-11:55

Nonstop9h 30m

£397

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 16/2

12:20-14:45

Nonstop10h 25m

Seattle/Tacoma Intl

Mon 2/3

18:25-11:55

Nonstop9h 30m

£397

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 25/2

12:20-14:45

Nonstop10h 25m

Seattle/Tacoma Intl

Wed 11/3

17:40-10:30

Nonstop9h 50m

£397

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 18/2

12:20-14:45

Nonstop10h 25m

Seattle/Tacoma Intl

Mon 23/2

16:55-10:30

Nonstop9h 35m

£397

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 18/2

12:20-14:45

Nonstop10h 25m

Seattle/Tacoma Intl

Thu 26/2

18:25-11:55

Nonstop9h 30m

£397

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 17/2

12:20-14:45

Nonstop10h 25m

Seattle/Tacoma Intl

Wed 25/2

16:55-10:30

Nonstop9h 35m

£397

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 2/3

12:20-14:45

Nonstop10h 25m

Seattle/Tacoma Intl

Mon 16/3

19:25-11:55

Nonstop9h 30m

£397

Flights are sorted by cheapest return flights first.

Deals found on 1/2

Showing 1-10 of 19 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 £1,327. If you're looking for a direct return flight to Seattle, you can expect to pay around £1,953.
Which airlines fly direct to Seattle?
At the moment, Virgin Atlantic, British Airways, KLM, Air France, Finnair, Aer Lingus, Delta, Iberia, Lufthansa, American Airlines 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 £1,685.

See more FAQs

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