Direct flights to Seattle | Cheapflights

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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 21 December 2025.

Mon 4/516:30LHR - SEA

Nonstop9h 55mAmerican Airlines

Fri 8/513:35SEA - LHR

Nonstop9h 15mAmerican Airlines

Deal found 21/12£445

Fri 16/112:20LHR - SEA

Nonstop10h 29mAir France

Mon 19/118:25SEA - LHR

Nonstop9h 30mAir France

Deal found 20/12£448

Thu 8/114:30LHR - SEA

Nonstop10h 05mKLM

Thu 15/118:25SEA - LHR

Nonstop9h 30mKLM

Deal found 19/12£448

Sat 14/214:55LHR - SEA

Nonstop10h 00mBritish Airways

Tue 24/213:25SEA - LHR

Nonstop9h 35mBritish Airways

Deal found 19/12£451

Fri 10/409:50LHR - SEA

Nonstop9h 45mFinnair

Mon 20/413:35SEA - LHR

Nonstop9h 15mFinnair

Deal found 19/12£454

Sat 17/115:05LHR - SEA

Nonstop10h 05mKLM

Sat 24/118:25SEA - LHR

Nonstop9h 30mKLM

Deal found 20/12£457

Thu 11/616:30LHR - SEA

Nonstop9h 55mAmerican Airlines

Tue 16/613:35SEA - LHR

Nonstop9h 15mAmerican Airlines

Deal found 19/12£461

Thu 8/114:30LHR - SEA

Nonstop10h 05mMultiple Airlines

Thu 15/118:25SEA - LHR

Nonstop9h 30mMultiple Airlines

Deal found 21/12£463

Thu 22/114:55LHR - SEA

Nonstop10h 00mBritish Airways

Mon 26/118:50SEA - LHR

Nonstop9h 30mBritish Airways

Deal found 20/12£466

Thu 14/517:25LHR - SEA

Nonstop10h 20mDelta

Fri 22/515:35SEA - LHR

Nonstop9h 25mDelta

Deal found 19/12£469

Thu 19/214:55LHR - SEA

Nonstop10h 00mBritish Airways

Sun 22/218:50SEA - LHR

Nonstop9h 30mBritish Airways

Deal found 19/12£471

Sat 30/509:50LHR - SEA

Nonstop9h 45mAmerican Airlines

Sat 13/613:35SEA - LHR

Nonstop9h 15mAmerican Airlines

Deal found 19/12£475

Best flights to Seattle
Discover carefully curated flight deals to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 December 2025.

Wed 18/214:55LHR - SEA

Nonstop10h 00mFinnair

Mon 23/218:50SEA - LHR

Nonstop9h 30mFinnair

Deal found 21/12£448

Sat 21/209:25LHR - SEA

Nonstop10h 05mBritish Airways

Mon 23/218:50SEA - LHR

Nonstop9h 30mBritish Airways

Deal found 21/12£451

Sat 17/115:05LHR - SEA

Nonstop10h 05mKLM

Sat 24/118:25SEA - LHR

Nonstop9h 30mKLM

Deal found 20/12£457

Sun 18/112:20LHR - SEA

Nonstop10h 29mDelta

Sun 25/116:45SEA - LHR

Nonstop9h 45mDelta

Deal found 20/12£457

Thu 8/114:30LHR - SEA

Nonstop10h 05mMultiple Airlines

Thu 15/118:25SEA - LHR

Nonstop9h 30mMultiple Airlines

Deal found 20/12£463

Sat 21/209:25LHR - SEA

Nonstop10h 05mBritish Airways

Thu 26/218:50SEA - LHR

Nonstop9h 30mBritish Airways

Deal found 21/12£451

Thu 29/112:20LHR - SEA

Nonstop10h 29mKLM

Sat 14/218:25SEA - LHR

Nonstop9h 30mKLM

Deal found 20/12£457

Mon 6/409:50LHR - SEA

Nonstop9h 45mBritish Airways

Sun 19/420:20SEA - LHR

Nonstop9h 25mBritish Airways

Deal found 20/12£457

Mon 6/409:50LHR - SEA

Nonstop9h 45mBritish Airways

Sat 18/413:35SEA - LHR

Nonstop9h 15mBritish Airways

Deal found 20/12£463

Thu 22/114:55LHR - SEA

Nonstop10h 00mBritish Airways

Mon 26/118:50SEA - LHR

Nonstop9h 30mBritish Airways

Deal found 19/12£466

Last-minute flights to Seattle
Discover last-minute flight deals to Seattle. Data last updated 21 December 2025 and is based on user searches.

Sat 27/1209:25LHR - SEA

Nonstop10h 05mAmerican Airlines

Wed 30/920:20SEA - LHR

Nonstop9h 25mAmerican Airlines

Deal found 20/12£664

Sat 27/1212:20LHR - SEA

Nonstop10h 38mDelta

Tue 29/915:35SEA - LHR

Nonstop9h 25mDelta

Deal found 20/12£674

Sun 28/1212:20LHR - SEA

Nonstop10h 38mVirgin Atlantic

Thu 1/1020:10SEA - LHR

Nonstop9h 50mVirgin Atlantic

Deal found 20/12£684

Sat 27/1215:05LHR - SEA

Nonstop10h 05mDelta

Sun 4/1015:35SEA - LHR

Nonstop9h 25mDelta

Deal found 20/12£705

Tue 30/1209:25LHR - SEA

Nonstop10h 05mBritish Airways

Wed 30/913:35SEA - LHR

Nonstop9h 15mBritish Airways

Deal found 20/12£708

Sun 28/1212:20LHR - SEA

Nonstop10h 38mKLM

Wed 30/920:25SEA - LHR

Nonstop9h 50mKLM

Deal found 20/12£715

Sun 28/1212:20LHR - SEA

Nonstop10h 38mDelta

Sat 3/1020:25SEA - LHR

Nonstop9h 50mDelta

Deal found 20/12£745

Mon 29/1214:55LHR - SEA

Nonstop10h 00mBritish Airways

Mon 28/920:20SEA - LHR

Nonstop9h 25mBritish Airways

Deal found 20/12£768

Fri 26/1209:25LHR - SEA

Nonstop10h 05mBritish Airways

Wed 30/913:35SEA - LHR

Nonstop9h 15mBritish Airways

Deal found 20/12£797

Sat 27/1209:25LHR - SEA

Nonstop10h 05mBritish Airways

Wed 7/118:50SEA - LHR

Nonstop9h 30mBritish Airways

Deal found 20/12£848

Mon 29/1214:55LHR - SEA

Nonstop10h 00mAmerican Airlines

Tue 6/118:50SEA - LHR

Nonstop9h 30mAmerican Airlines

Deal found 20/12£890

Sat 27/1209:25LHR - SEA

Nonstop10h 05mAmerican Airlines

Tue 6/118:50SEA - LHR

Nonstop9h 30mAmerican Airlines

Deal found 20/12£920

One-way flights to Seattle
Search for one-way flight options to Seattle. Find affordable one-way fares based on user searches. Data last updated 21 December 2025.

Tue 20/112:20LHR - SEA

Nonstop10h 29mScandinavian Airlines

Deal found 21/12£401

Wed 14/112:20LHR - SEA

Nonstop10h 29mScandinavian Airlines

Deal found 21/12£412

Fri 27/214:55LHR - SEA

Nonstop10h 00mBritish Airways

Deal found 20/12£417

Sat 21/209:25LHR - SEA

Nonstop10h 05mAmerican Airlines

Deal found 21/12£419

Thu 7/509:50LHR - SEA

Nonstop9h 45mFinnair

Deal found 21/12£421

Mon 19/112:20LHR - SEA

Nonstop10h 29mScandinavian Airlines

Deal found 19/12£422

Mon 6/409:50LHR - SEA

Nonstop9h 45mBritish Airways

Deal found 20/12£425

Thu 19/214:55LHR - SEA

Nonstop10h 00mFinnair

Deal found 20/12£425

Fri 27/209:25LHR - SEA

Nonstop10h 05mFinnair

Deal found 21/12£427

Sat 28/209:25LHR - SEA

Nonstop10h 05mFinnair

Deal found 21/12£428

Sat 31/112:20LHR - SEA

Nonstop10h 29mScandinavian Airlines

Deal found 20/12£431

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.

Fly from

Route

Depart

Return

Price

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 18/2

14:55-16:55

Nonstop10h 00m

Seattle/Tacoma Intl

Mon 23/2

18:50-12:20

Nonstop9h 30m

£448

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 6/4

09:50-11:35

Nonstop9h 45m

Seattle/Tacoma Intl

Sun 19/4

20:20-13:45

Nonstop9h 25m

£457

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sat 17/1

15:05-17:10

Nonstop10h 05m

Seattle/Tacoma Intl

Sat 24/1

18:25-11:55

Nonstop9h 30m

£457

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sun 18/1

12:20-14:49

Nonstop10h 29m

Seattle/Tacoma Intl

Sun 25/1

16:45-10:30

Nonstop9h 45m

£457

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 29/1

12:20-14:49

Nonstop10h 29m

Seattle/Tacoma Intl

Sat 14/2

18:25-11:55

Nonstop9h 30m

£457

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 8/1

14:30-16:35

Nonstop10h 05m

Seattle/Tacoma Intl

Thu 15/1

18:25-11:55

Nonstop9h 30m

£463

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 6/4

09:50-11:35

Nonstop9h 45m

Seattle/Tacoma Intl

Sat 18/4

13:35-06:50

Nonstop9h 15m

£463

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 22/1

14:55-16:55

Nonstop10h 00m

Seattle/Tacoma Intl

Mon 26/1

18:50-12:20

Nonstop9h 30m

£466

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sat 10/1

15:05-17:10

Nonstop10h 05m

Seattle/Tacoma Intl

Sat 28/3

20:35-14:05

Nonstop9h 30m

£468

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 14/5

17:25-19:45

Nonstop10h 20m

Seattle/Tacoma Intl

Fri 22/5

15:35-09:00

Nonstop9h 25m

£469

Flights are sorted by cheapest return flights first.

Deals found on 19/12

Showing 1-10 of 21 results

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.

7.7

Good

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

7.7

Good

7.7

Good

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Virgin Atlantic

7.5

Good

7.7

Good

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

7.4

Good

7.7

Good

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

7.0

Good

7.7

Good

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

British Airways

6.7

Okay

7.7

Good

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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 £1,376. If you're looking for a direct return flight to Seattle, you can expect to pay around £2,660.
Which airlines fly direct to Seattle?
At the moment, Virgin Atlantic, British Airways, Icelandair, KLM, Air France, Aer Lingus, Lufthansa, Finnair, United Airlines, 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 £2,018.

See more FAQs

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