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 26 December 2025.

Mon 13/411:40LHR - SEA

Nonstop10h 20mVirgin Atlantic

Sun 26/418:20SEA - LHR

Nonstop9h 50mVirgin Atlantic

Deal found 26/12£412

Fri 6/212:20LHR - SEA

Nonstop10h 25mVirgin Atlantic

Mon 16/216:55SEA - LHR

Nonstop9h 35mVirgin Atlantic

Deal found 25/12£413

Mon 12/114:30LHR - SEA

Nonstop10h 05mDelta

Sat 28/216:55SEA - LHR

Nonstop9h 35mDelta

Deal found 24/12£425

Thu 22/112:20LHR - SEA

Nonstop10h 29mDelta

Thu 29/118:25SEA - LHR

Nonstop9h 30mDelta

Deal found 25/12£427

Sun 25/112:20LHR - SEA

Nonstop10h 29mDelta

Wed 11/216:55SEA - LHR

Nonstop9h 35mDelta

Deal found 25/12£428

Tue 19/509:50LHR - SEA

Nonstop9h 45mBritish Airways

Fri 5/613:35SEA - LHR

Nonstop9h 15mBritish Airways

Deal found 25/12£430

Wed 8/409:50LHR - SEA

Nonstop9h 45mAmerican Airlines

Thu 16/413:35SEA - LHR

Nonstop9h 15mAmerican Airlines

Deal found 25/12£433

Thu 8/114:30LHR - SEA

Nonstop10h 05mKLM

Wed 4/316:45SEA - LHR

Nonstop9h 45mKLM

Deal found 24/12£435

Fri 27/212:20LHR - SEA

Nonstop10h 25mVirgin Atlantic

Sat 14/319:25SEA - LHR

Nonstop9h 30mVirgin Atlantic

Deal found 25/12£436

Mon 12/114:30LHR - SEA

Nonstop10h 05mKLM

Mon 26/118:25SEA - LHR

Nonstop9h 30mKLM

Deal found 24/12£437

Mon 19/114:30LHR - SEA

Nonstop10h 05mDelta

Fri 30/116:45SEA - LHR

Nonstop9h 45mDelta

Deal found 25/12£438

Fri 10/409:50LHR - SEA

Nonstop9h 45mBritish Airways

Mon 20/413:35SEA - LHR

Nonstop9h 15mBritish Airways

Deal found 24/12£440

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 26 December 2025.

Mon 19/112:20LHR - SEA

Nonstop10h 29mDelta

Fri 30/116:45SEA - LHR

Nonstop9h 45mDelta

Deal found 25/12£427

Fri 23/112:20LHR - SEA

Nonstop10h 29mKLM

Wed 28/116:45SEA - LHR

Nonstop9h 45mKLM

Deal found 25/12£427

Fri 20/209:25LHR - SEA

Nonstop10h 05mBritish Airways

Thu 26/218:50SEA - LHR

Nonstop9h 30mBritish Airways

Deal found 25/12£452

Fri 23/112:20LHR - SEA

Nonstop10h 29mDelta

Thu 29/116:45SEA - LHR

Nonstop9h 45mDelta

Deal found 25/12£427

Fri 23/112:20LHR - SEA

Nonstop10h 29mKLM

Tue 27/118:25SEA - LHR

Nonstop9h 30mKLM

Deal found 25/12£427

Thu 26/214:55LHR - SEA

Nonstop10h 00mBritish Airways

Mon 2/318:50SEA - LHR

Nonstop9h 30mBritish Airways

Deal found 25/12£452

Sat 24/115:05LHR - SEA

Nonstop10h 05mDelta

Tue 27/116:45SEA - LHR

Nonstop9h 45mDelta

Deal found 25/12£427

Thu 22/112:20LHR - SEA

Nonstop10h 29mKLM

Tue 27/118:25SEA - LHR

Nonstop9h 30mKLM

Deal found 25/12£427

Sat 24/112:20LHR - SEA

Nonstop10h 29mDelta

Wed 28/116:45SEA - LHR

Nonstop9h 45mDelta

Deal found 25/12£427

Sun 8/212:20LHR - SEA

Nonstop10h 25mDelta

Sun 15/216:55SEA - LHR

Nonstop9h 35mDelta

Deal found 24/12£457

Fri 23/112:20LHR - SEA

Nonstop10h 29mDelta

Sun 25/116:45SEA - LHR

Nonstop9h 45mDelta

Deal found 25/12£458

Last-minute flights to Seattle
Discover last-minute flight deals to Seattle. Data last updated 26 December 2025 and is based on user searches.

Thu 1/114:45LHR - SEA

Nonstop10h 05mVirgin Atlantic

Wed 14/116:45SEA - LHR

Nonstop9h 45mVirgin Atlantic

Deal found 25/12£829

Thu 1/114:45LHR - SEA

Nonstop10h 05mKLM

Thu 1/1020:10SEA - LHR

Nonstop9h 50mKLM

Deal found 25/12£941

Wed 31/1214:55LHR - SEA

Nonstop10h 00mFinnair

Tue 6/118:50SEA - LHR

Nonstop9h 30mFinnair

Deal found 26/12£999

Thu 1/114:45LHR - SEA

Nonstop10h 05mDelta

Thu 1/1020:10SEA - LHR

Nonstop9h 50mDelta

Deal found 26/12£1,268

Wed 31/1214:55LHR - SEA

Nonstop10h 00mFinnair

Mon 5/118:50SEA - LHR

Nonstop9h 30mFinnair

Deal found 26/12£1,279

Wed 31/1214:55LHR - SEA

Nonstop10h 00mBritish Airways

Sun 4/118:50SEA - LHR

Nonstop9h 30mBritish Airways

Deal found 26/12£1,283

Thu 1/114:45LHR - SEA

Nonstop10h 05mDelta

Wed 7/116:45SEA - LHR

Nonstop9h 45mDelta

Deal found 26/12£1,374

Thu 1/114:45LHR - SEA

Nonstop10h 05mDelta

Mon 5/118:25SEA - LHR

Nonstop9h 30mDelta

Deal found 26/12£1,419

Wed 31/1212:20LHR - SEA

Nonstop10h 38mDelta

Sat 3/119:20SEA - LHR

Nonstop9h 45mDelta

Deal found 26/12£1,478

Thu 1/114:45LHR - SEA

Nonstop10h 05mDelta

Sun 4/116:45SEA - LHR

Nonstop9h 45mDelta

Deal found 26/12£1,481

Thu 1/114:45LHR - SEA

Nonstop10h 05mDelta

Sat 3/119:20SEA - LHR

Nonstop9h 45mDelta

Deal found 26/12£1,482

Wed 31/1212:20LHR - SEA

Nonstop10h 38mDelta

Fri 2/116:45SEA - LHR

Nonstop9h 45mDelta

Deal found 26/12£1,507

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 26 December 2025.

Tue 24/209:25LHR - SEA

Nonstop10h 05mFinnair

Deal found 25/12£384

Mon 26/112:20LHR - SEA

Nonstop10h 29mScandinavian Airlines

Deal found 25/12£401

Wed 11/212:20LHR - SEA

Nonstop10h 25mScandinavian Airlines

Deal found 26/12£415

Thu 26/214:55LHR - SEA

Nonstop10h 00mAmerican Airlines

Deal found 25/12£418

Fri 27/214:55LHR - SEA

Nonstop10h 00mBritish Airways

Deal found 25/12£420

Tue 24/309:25LHR - SEA

Nonstop10h 05mFinnair

Deal found 25/12£421

Fri 20/209:25LHR - SEA

Nonstop10h 05mFinnair

Deal found 26/12£426

Tue 24/309:25LHR - SEA

Nonstop10h 05mBritish Airways

Deal found 26/12£428

Sat 24/112:20LHR - SEA

Nonstop10h 29mScandinavian Airlines

Deal found 25/12£431

Sat 31/112:20LHR - SEA

Nonstop10h 29mScandinavian Airlines

Deal found 25/12£433

Sun 8/314:55LHR - SEA

Nonstop10h 00mFinnair

Deal found 25/12£434

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

Mon 19/1

12:20-14:49

Nonstop10h 29m

Seattle/Tacoma Intl

Sun 25/1

16:45-10:30

Nonstop9h 45m

£427

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Fri 23/1

12:20-14:49

Nonstop10h 29m

Seattle/Tacoma Intl

Tue 27/1

18:25-11:55

Nonstop9h 30m

£427

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Fri 23/1

12:20-14:49

Nonstop10h 29m

Seattle/Tacoma Intl

Thu 29/1

16:45-10:30

Nonstop9h 45m

£427

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 22/1

12:20-14:49

Nonstop10h 29m

Seattle/Tacoma Intl

Wed 28/1

16:45-10:30

Nonstop9h 45m

£427

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sat 24/1

15:05-17:10

Nonstop10h 05m

Seattle/Tacoma Intl

Tue 27/1

16:45-10:30

Nonstop9h 45m

£427

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 22/1

12:20-14:49

Nonstop10h 29m

Seattle/Tacoma Intl

Tue 27/1

18:25-11:55

Nonstop9h 30m

£427

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 22/1

12:20-14:49

Nonstop10h 29m

Seattle/Tacoma Intl

Tue 27/1

16:45-10:30

Nonstop9h 45m

£427

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sat 24/1

12:20-14:49

Nonstop10h 29m

Seattle/Tacoma Intl

Wed 28/1

16:45-10:30

Nonstop9h 45m

£427

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 19/1

14:30-16:35

Nonstop10h 05m

Seattle/Tacoma Intl

Fri 30/1

16:45-10:30

Nonstop9h 45m

£438

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 24/3

09:25-12:30

Nonstop10h 05m

Seattle/Tacoma Intl

Mon 30/3

13:35-06:50

Nonstop9h 15m

£441

Flights are sorted by cheapest return flights first.

Deals found on 25/12

Showing 1-10 of 22 results

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2

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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 £1,364. If you're looking for a direct return flight to Seattle, you can expect to pay around £2,636.
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 £2,000.

See more FAQs

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