Direct flights to Seattle | Cheapflights

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Cheapest

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 22 May 2026.

Tue 17/1112:20

LHR

-

SEA

Nonstop10h 25m

Air France

Tue 8/1216:48

SEA

-

LHR

Nonstop9h 42m

Air France

Deal found 18/5£533

Thu 12/1112:20

LHR

-

SEA

Nonstop10h 25m

Air France

Mon 23/1116:48

SEA

-

LHR

Nonstop9h 42m

Air France

Deal found 18/5£536

Thu 1/1011:40

LHR

-

SEA

Nonstop10h 20m

Air France

Mon 30/1116:48

SEA

-

LHR

Nonstop9h 42m

Air France

Deal found 22/5£542

Fri 6/1112:20

LHR

-

SEA

Nonstop10h 25m

Air France

Mon 16/1116:48

SEA

-

LHR

Nonstop9h 42m

Air France

Deal found 18/5£550

Sun 6/909:50

LHR

-

SEA

Nonstop9h 45m

British Airways

Sat 12/920:20

SEA

-

LHR

Nonstop9h 25m

British Airways

Deal found 20/5£552

Mon 12/1016:30

LHR

-

SEA

Nonstop9h 55m

British Airways

Tue 1/1218:50

SEA

-

LHR

Nonstop9h 30m

British Airways

Deal found 22/5£558

Fri 6/1112:20

LHR

-

SEA

Nonstop10h 25m

Air France

Fri 13/1116:48

SEA

-

LHR

Nonstop9h 42m

Air France

Deal found 20/5£564

Sun 21/618:30

LHR

-

SEA

Nonstop10h 12m

Virgin Atlantic

Sun 5/718:20

SEA

-

LHR

Nonstop9h 50m

Virgin Atlantic

Deal found 20/5£572

Fri 13/1114:55

LHR

-

SEA

Nonstop10h 00m

British Airways

Thu 19/1113:25

SEA

-

LHR

Nonstop9h 35m

British Airways

Deal found 19/5£575

Sun 8/1112:20

LHR

-

SEA

Nonstop10h 25m

Virgin Atlantic

Sat 21/1116:48

SEA

-

LHR

Nonstop9h 42m

Virgin Atlantic

Deal found 18/5£579

Fri 6/1114:55

LHR

-

SEA

Nonstop10h 00m

Iberia

Mon 16/1118:50

SEA

-

LHR

Nonstop9h 30m

Iberia

Deal found 18/5£583

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

Cheapest return flight

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 21/7

17:45-20:03

Nonstop10h 18m

Seattle/Tacoma Intl

Mon 7/12

16:48-10:30

Nonstop9h 42m

£604

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sat 26/9

17:45-20:13

Nonstop10h 28m

Seattle/Tacoma Intl

Thu 22/10

21:50-15:35

Nonstop9h 45m

£621

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sat 3/10

17:00-18:55

Nonstop9h 55m

Seattle/Tacoma Intl

Thu 29/10

19:55-12:20

Nonstop9h 25m

£626

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 18/6

17:00-18:45

Nonstop9h 45m

Seattle/Tacoma Intl

Sat 27/6

21:45-15:05

Nonstop9h 20m

£634

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sat 3/10

17:00-18:55

Nonstop9h 55m

Seattle/Tacoma Intl

Fri 30/10

19:55-12:20

Nonstop9h 25m

£655

Fastest return journey

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 3/9

09:50-11:35

Nonstop9h 45m

Seattle/Tacoma Intl

Sat 12/9

13:30-06:45

Nonstop9h 15m

£657

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 28/7

09:50-11:35

Nonstop9h 45m

Seattle/Tacoma Intl

Mon 3/8

20:20-13:45

Nonstop9h 25m

£657

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 17/6

17:00-18:45

Nonstop9h 45m

Seattle/Tacoma Intl

Mon 29/6

21:45-15:05

Nonstop9h 20m

£663

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 16/6

17:00-18:45

Nonstop9h 45m

Seattle/Tacoma Intl

Mon 29/6

21:45-15:05

Nonstop9h 20m

£663

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 14/9

17:00-18:55

Nonstop9h 55m

Seattle/Tacoma Intl

Mon 21/9

21:45-15:05

Nonstop9h 20m

£666

Flights are sorted by cheapest return flights first.

Deals found on 19/5

Showing 1-10 of 23 resultsSorted by cheapest first

1

2

3

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.

7.8

Good

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

7.8

Good

7.8

Good

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Virgin Atlantic

7.5

Good

7.8

Good

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

7.4

Good

7.8

Good

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

7.0

Good

7.8

Good

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

British Airways

6.7

Okay

7.8

Good

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 £1,250. If you're looking for a direct return flight to Seattle, you can expect to pay around £2,801.
Which airlines fly direct to Seattle?
At the moment, Virgin Atlantic, British Airways, KLM, Air France, Alaska Airlines, Aer Lingus, American Airlines, Finnair, Delta 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 £2,025.

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