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£357+ Direct flights to Seattle

This is the cheapest price on a non-stop flight to Seattle found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
— SEA
27 Mar — 3 Apr1
1 adult
1 adult, Economy, 0 bags

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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 25 February 2026.

Thu 11/609:50
LHR
-
SEA
Nonstop9h 45m
British Airways
Thu 3/920:20
SEA
-
LHR
Nonstop9h 25m
British Airways
Deal found 24/2£487
Thu 11/609:50
LHR
-
SEA
Nonstop9h 45m
British Airways
Sat 5/913:35
SEA
-
LHR
Nonstop9h 15m
British Airways
Deal found 24/2£508
Fri 12/616:30
LHR
-
SEA
Nonstop9h 55m
British Airways
Thu 3/913:35
SEA
-
LHR
Nonstop9h 15m
British Airways
Deal found 24/2£508
Thu 11/609:50
LHR
-
SEA
Nonstop9h 45m
British Airways
Fri 4/913:35
SEA
-
LHR
Nonstop9h 15m
British Airways
Deal found 24/2£518
Sat 13/609:50
LHR
-
SEA
Nonstop9h 45m
British Airways
Thu 3/913:35
SEA
-
LHR
Nonstop9h 15m
British Airways
Deal found 24/2£536
Tue 14/409:50
LHR
-
SEA
Nonstop9h 45m
British Airways
Tue 28/413:35
SEA
-
LHR
Nonstop9h 15m
British Airways
Deal found 23/2£540
Wed 22/409:50
LHR
-
SEA
Nonstop9h 45m
British Airways
Wed 29/420:20
SEA
-
LHR
Nonstop9h 25m
British Airways
Deal found 24/2£541
Fri 12/616:30
LHR
-
SEA
Nonstop9h 55m
British Airways
Fri 4/920:20
SEA
-
LHR
Nonstop9h 25m
British Airways
Deal found 24/2£542

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.
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.

Cheapflights Fare Finder

 
Use the slider to find non-stop flights to Seattle within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 858,174 searches and data was last updated on 25 February 2026.
Use the filters below to find and compare direct flights to Seattle that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 17/6

09:50-11:35

Nonstop9h 45m

Seattle/Tacoma Intl

Tue 8/9

20:20-13:45

Nonstop9h 25m

£622

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sat 22/8

09:50-11:35

Nonstop9h 45m

Seattle/Tacoma Intl

Tue 8/9

20:20-13:45

Nonstop9h 25m

£651

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 25/6

17:45-20:01

Nonstop10h 16m

Seattle/Tacoma Intl

Sun 12/7

18:20-12:10

Nonstop9h 50m

£652

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 11/6

11:40-14:00

Nonstop10h 20m

Seattle/Tacoma Intl

Sun 5/7

18:20-12:10

Nonstop9h 50m

£653

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 15/4

09:50-11:35

Nonstop9h 45m

Seattle/Tacoma Intl

Sat 30/5

20:20-13:45

Nonstop9h 25m

£656

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 2/7

11:40-14:00

Nonstop10h 20m

Seattle/Tacoma Intl

Tue 14/7

21:50-15:35

Nonstop9h 45m

£659

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 9/6

17:45-20:01

Nonstop10h 16m

Seattle/Tacoma Intl

Mon 15/6

22:00-15:35

Nonstop9h 35m

£664

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 25/6

17:00-18:45

Nonstop9h 45m

Seattle/Tacoma Intl

Fri 17/7

21:45-15:05

Nonstop9h 20m

£684

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 15/6

09:50-11:35

Nonstop9h 45m

Seattle/Tacoma Intl

Sun 6/9

13:35-06:50

Nonstop9h 15m

£694

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sat 13/6

09:50-11:35

Nonstop9h 45m

Seattle/Tacoma Intl

Wed 9/9

20:20-13:45

Nonstop9h 25m

£724

Flights are sorted by cheapest return flights first.

Deals found on 22/2

Showing 1-10 of 22 results
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Reviews of airlines flying non-stop to Seattle

Get insights into the airlines that provide direct flights to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 25 February 2026.
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.
KLM
7.7
Good
1,460 reviews
Check prices

Boarding

7.8

Food

7.3

Crew

8.4

Comfort

7.6

Entertainment

7.1

Overall

7.7

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
KLM
7.7
Good
1,460 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Boarding

7.8

Food

7.3

Crew

8.4

Comfort

7.6

Entertainment

7.1

Overall

7.7

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
679 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Boarding

7.8

Food

7.3

Crew

8.4

Comfort

7.6

Entertainment

7.1

Overall

7.7

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
Air France
7.4
Good
1,537 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Boarding

7.8

Food

7.3

Crew

8.4

Comfort

7.6

Entertainment

7.1

Overall

7.7

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
Icelandair
7.1
Good
617 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Boarding

7.8

Food

7.3

Crew

8.4

Comfort

7.6

Entertainment

7.1

Overall

7.7

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
7,762 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Boarding

7.8

Food

7.3

Crew

8.4

Comfort

7.6

Entertainment

7.1

Overall

7.7

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

Find answers to frequently asked questions about direct flights to Seattle to unlock the best deals on Cheapflights.

  • How much are direct flights to Seattle?

    On average, a one-way direct flight to Seattle will cost users approximately £1,293. If you're looking for a direct return flight to Seattle, you can expect to pay around £2,260.

  • 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 £1,873.

See more FAQs

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