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 10 November 2026.

Sat 5/126:25 p.m. -

Nonstop5h 34m

Tue 5/17:45 a.m. -

Nonstop4h 40m

Deal found 9/11C$ 505

Fri 4/126:25 p.m. -

Nonstop5h 34m

Tue 8/127:45 a.m. -

Nonstop4h 40m

Deal found 8/11C$ 507

Fri 11/126:25 p.m. -

Nonstop5h 34m

Mon 14/127:45 a.m. -

Nonstop4h 40m

Deal found 8/11C$ 525

Thu 24/125:15 p.m. -

Nonstop5h 58m

Tue 29/128:33 a.m. -

Nonstop4h 32m

Deal found 9/11C$ 535

Thu 3/125:15 p.m. -

Nonstop5h 41m

Fri 8/18:29 a.m. -

Nonstop4h 36m

Deal found 9/11C$ 539

Mon 7/126:25 p.m. -

Nonstop5h 34m

Sun 13/127:45 a.m. -

Nonstop4h 40m

Deal found 7/11C$ 543

Thu 10/125:15 p.m. -

Nonstop5h 41m

Sun 13/128:33 a.m. -

Nonstop4h 32m

Deal found 9/11C$ 567

Mon 21/125:15 p.m. -

Nonstop5h 58m

Sat 9/18:29 a.m. -

Nonstop4h 36m

Deal found 5/11C$ 573

Thu 24/125:15 p.m. -

Nonstop5h 58m

Fri 1/18:33 a.m. -

Nonstop4h 32m

Deal found 8/11C$ 578

Sat 19/126:25 p.m. -

Nonstop5h 34m

Sat 26/127:45 a.m. -

Nonstop4h 40m

Deal found 8/11C$ 587

Wed 13/16:25 p.m. -

Nonstop5h 34m

Sat 16/17:45 a.m. -

Nonstop4h 40m

Deal found 6/11C$ 590

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.

YTO-SEA

YYZ-SEA

Estimated round-trip 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 round-trip

TorontoSeattle

YYZ Toronto Pearson Intl - SEA Seattle/Tacoma Intl

YYZSEA

Toronto Pearson Intl

Sun 17/1

6:25 p.m.-8:59 p.m.

Nonstop5h 34m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 332

TorontoSeattle

YYZ Toronto Pearson Intl - SEA Seattle/Tacoma Intl

YYZSEA

Toronto Pearson Intl

Wed 27/1

6:25 p.m.-8:59 p.m.

Nonstop5h 34m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 334

Quickest round-trip

TorontoSeattle

YYZ Toronto Pearson Intl - SEA Seattle/Tacoma Intl

YYZSEA

Toronto Pearson Intl

Sat 27/3

5:15 p.m.-7:43 p.m.

Nonstop5h 28m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 360

TorontoSeattle

YYZ Toronto Pearson Intl - SEA Seattle/Tacoma Intl

YYZSEA

Toronto Pearson Intl

Mon 29/3

4:45 p.m.-7:13 p.m.

Nonstop5h 28m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 364

TorontoSeattle

YYZ Toronto Pearson Intl - SEA Seattle/Tacoma Intl

YYZSEA

Toronto Pearson Intl

Wed 24/3

5:15 p.m.-7:43 p.m.

Nonstop5h 28m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 368

TorontoSeattle

YYZ Toronto Pearson Intl - SEA Seattle/Tacoma Intl

YYZSEA

Toronto Pearson Intl

Fri 26/3

5:15 p.m.-7:43 p.m.

Nonstop5h 28m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 368

TorontoSeattle

YYZ Toronto Pearson Intl - SEA Seattle/Tacoma Intl

YYZSEA

Toronto Pearson Intl

Sun 28/3

4:45 p.m.-7:13 p.m.

Nonstop5h 28m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 368

TorontoSeattle

YYZ Toronto Pearson Intl - SEA Seattle/Tacoma Intl

YYZSEA

Toronto Pearson Intl

Sat 19/12

5:15 p.m.-8:13 p.m.

Nonstop5h 58m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 381

TorontoSeattle

YYZ Toronto Pearson Intl - SEA Seattle/Tacoma Intl

YYZSEA

Toronto Pearson Intl

Tue 1/12

5:15 p.m.-7:56 p.m.

Nonstop5h 41m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 401

TorontoSeattle

YYZ Toronto Pearson Intl - SEA Seattle/Tacoma Intl

YYZSEA

Toronto Pearson Intl

Tue 15/12

5:15 p.m.-7:56 p.m.

Nonstop5h 41m

Seattle/Tacoma Intl

Tue 19/1

8:29 a.m.-4:05 p.m.

Nonstop4h 36m

C$ 505

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/11

Showing 1-10 of 18 resultsSorted by cheapest first

1

2

Reviews of airlines flying non-stop to Seattle

Check out reviews from past customers who have flown Alaska Airlines,Delta, andUnited Airlines 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.

Alaska Airlines

7.9

Good

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2026

LHR - SEA

It's my first time flying with Alaska Airlines. All in all it was very good. Excellent crew and the meal was really good .. best mashed potato!! Black point: not waking me up for breakfast. Having departed late from London and arriving in Seattle late at night, it would have been nice to have found a meal on the table when i woke up. Although the crew was very lovely, kind and helpful, I did find it a little regimented in their approach. Also the constant interruptions announcing what we were eating next and unnecessary announcements.

Alaska Airlines

7.9

Good

Alaska Airlines

7.9

Good

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2026

LHR - SEA

It's my first time flying with Alaska Airlines. All in all it was very good. Excellent crew and the meal was really good .. best mashed potato!! Black point: not waking me up for breakfast. Having departed late from London and arriving in Seattle late at night, it would have been nice to have found a meal on the table when i woke up. Although the crew was very lovely, kind and helpful, I did find it a little regimented in their approach. Also the constant interruptions announcing what we were eating next and unnecessary announcements.

7.8

Good

Alaska Airlines

7.9

Good

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2026

LHR - SEA

It's my first time flying with Alaska Airlines. All in all it was very good. Excellent crew and the meal was really good .. best mashed potato!! Black point: not waking me up for breakfast. Having departed late from London and arriving in Seattle late at night, it would have been nice to have found a meal on the table when i woke up. Although the crew was very lovely, kind and helpful, I did find it a little regimented in their approach. Also the constant interruptions announcing what we were eating next and unnecessary announcements.

United Airlines

7.3

Good

Alaska Airlines

7.9

Good

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2026

LHR - SEA

It's my first time flying with Alaska Airlines. All in all it was very good. Excellent crew and the meal was really good .. best mashed potato!! Black point: not waking me up for breakfast. Having departed late from London and arriving in Seattle late at night, it would have been nice to have found a meal on the table when i woke up. Although the crew was very lovely, kind and helpful, I did find it a little regimented in their approach. Also the constant interruptions announcing what we were eating next and unnecessary announcements.

7.2

Good

Alaska Airlines

7.9

Good

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2026

LHR - SEA

It's my first time flying with Alaska Airlines. All in all it was very good. Excellent crew and the meal was really good .. best mashed potato!! Black point: not waking me up for breakfast. Having departed late from London and arriving in Seattle late at night, it would have been nice to have found a meal on the table when i woke up. Although the crew was very lovely, kind and helpful, I did find it a little regimented in their approach. Also the constant interruptions announcing what we were eating next and unnecessary announcements.

7.1

Good

Alaska Airlines

7.9

Good

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2026

LHR - SEA

It's my first time flying with Alaska Airlines. All in all it was very good. Excellent crew and the meal was really good .. best mashed potato!! Black point: not waking me up for breakfast. Having departed late from London and arriving in Seattle late at night, it would have been nice to have found a meal on the table when i woke up. Although the crew was very lovely, kind and helpful, I did find it a little regimented in their approach. Also the constant interruptions announcing what we were eating next and unnecessary announcements.

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 C$ 391. If you're looking for a direct round-trip flight to Seattle, you can expect to pay around C$ 913.
Which airlines fly direct to Seattle?
At the moment, Alaska Airlines, Air Canada, WestJet, United Airlines, Harbour Air Seaplanes, Delta offer direct flights to Seattle. Alaska Airlines 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 3h 19m on average. The quickest direct flight to Seattle at this time departs from Kelowna (1h 15m), while the longest leaves from Toronto Pearson Intl Airport (5h 23m).
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, April is worth consideration, as prices are usually at their lowest, on average. November 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 Toronto Pearson Intl Airport. A round-trip direct flight from Toronto Pearson Intl Airport to Seattle typically costs around C$ 913.

See more FAQs

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