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 14 February 2026.

Wed 29/44:55 p.m.

YYZ

-

SEA

Nonstop5h 28m

Alaska Airlines

Tue 2/67:59 a.m.

SEA

-

YYZ

Nonstop4h 46m

Alaska Airlines

Deal found 11/2C$ 279

Sat 28/24:45 p.m.

YYZ

-

SEA

Nonstop5h 33m

Alaska Airlines

Wed 4/37:55 a.m.

SEA

-

YYZ

Nonstop4h 40m

Alaska Airlines

Deal found 14/2C$ 280

Mon 9/37:50 p.m.

YYZ

-

SEA

Nonstop5h 26m

Air Canada

Fri 13/38:00 a.m.

SEA

-

YYZ

Nonstop4h 43m

Air Canada

Deal found 14/2C$ 282

Tue 10/34:45 p.m.

YYZ

-

SEA

Nonstop5h 33m

Alaska Airlines

Thu 12/37:55 a.m.

SEA

-

YYZ

Nonstop4h 40m

Alaska Airlines

Deal found 12/2C$ 319

Mon 9/37:50 p.m.

YYZ

-

SEA

Nonstop5h 26m

Multiple Airlines

Mon 16/37:55 a.m.

SEA

-

YYZ

Nonstop4h 40m

Multiple Airlines

Deal found 14/2C$ 335

Mon 9/34:45 p.m.

YYZ

-

SEA

Nonstop5h 33m

Alaska Airlines

Mon 16/37:55 a.m.

SEA

-

YYZ

Nonstop4h 40m

Alaska Airlines

Deal found 14/2C$ 339

Fri 27/27:50 p.m.

YYZ

-

SEA

Nonstop5h 26m

Air Canada

Mon 9/38:00 a.m.

SEA

-

YYZ

Nonstop4h 43m

Air Canada

Deal found 13/2C$ 346

Mon 13/47:30 p.m.

YYZ

-

SEA

Nonstop5h 23m

Air Canada

Tue 28/48:00 a.m.

SEA

-

YYZ

Nonstop4h 54m

Air Canada

Deal found 11/2C$ 349

Tue 19/56:45 p.m.

YYZ

-

SEA

Nonstop5h 23m

Air Canada

Thu 30/78:00 a.m.

SEA

-

YYZ

Nonstop4h 45m

Air Canada

Deal found 14/2C$ 350

Wed 8/44:55 p.m.

YYZ

-

SEA

Nonstop5h 30m

Alaska Airlines

Sat 18/48:05 a.m.

SEA

-

YYZ

Nonstop4h 40m

Alaska Airlines

Deal found 11/2C$ 355

Wed 1/44:55 p.m.

YYZ

-

SEA

Nonstop5h 30m

Alaska Airlines

Thu 23/47:55 a.m.

SEA

-

YYZ

Nonstop4h 50m

Alaska Airlines

Deal found 13/2C$ 357

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

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Tue 3/3

4:45 p.m.-7:18 p.m.

Nonstop5h 33m

Seattle/Tacoma Intl

Tue 10/3

7:55 a.m.-3:35 p.m.

Nonstop4h 40m

C$ 279

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sat 28/2

4:45 p.m.-7:18 p.m.

Nonstop5h 33m

Seattle/Tacoma Intl

Wed 4/3

7:55 a.m.-3:35 p.m.

Nonstop4h 40m

C$ 280

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sat 28/2

4:45 p.m.-7:18 p.m.

Nonstop5h 33m

Seattle/Tacoma Intl

Sat 7/3

7:55 a.m.-3:35 p.m.

Nonstop4h 40m

C$ 280

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Wed 29/4

4:55 p.m.-7:23 p.m.

Nonstop5h 28m

Seattle/Tacoma Intl

Tue 5/5

7:55 a.m.-3:45 p.m.

Nonstop4h 50m

C$ 280

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Tue 17/3

4:45 p.m.-7:18 p.m.

Nonstop5h 33m

Seattle/Tacoma Intl

Tue 24/3

7:55 a.m.-3:35 p.m.

Nonstop4h 40m

C$ 282

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Tue 24/3

4:45 p.m.-7:15 p.m.

Nonstop5h 30m

Seattle/Tacoma Intl

Sun 19/4

8:05 a.m.-3:45 p.m.

Nonstop4h 40m

C$ 282

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Wed 4/3

4:45 p.m.-7:18 p.m.

Nonstop5h 33m

Seattle/Tacoma Intl

Wed 11/3

7:55 a.m.-3:35 p.m.

Nonstop4h 40m

C$ 282

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Wed 29/4

4:55 p.m.-7:23 p.m.

Nonstop5h 28m

Seattle/Tacoma Intl

Wed 27/5

7:59 a.m.-3:45 p.m.

Nonstop4h 46m

C$ 282

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Tue 10/3

4:45 p.m.-7:18 p.m.

Nonstop5h 33m

Seattle/Tacoma Intl

Thu 12/3

7:55 a.m.-3:35 p.m.

Nonstop4h 40m

C$ 319

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Tue 14/4

4:55 p.m.-7:25 p.m.

Nonstop5h 30m

Seattle/Tacoma Intl

Sun 19/4

8:05 a.m.-3:45 p.m.

Nonstop4h 40m

C$ 355

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/2

Showing 1-10 of 20 results

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

8.0

Very good

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Alaska Airlines

8.0

Very good

Alaska Airlines

8.0

Very good

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

7.9

Good

Alaska Airlines

8.0

Very good

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

United Airlines

7.4

Good

Alaska Airlines

8.0

Very good

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

7.2

Good

Alaska Airlines

8.0

Very good

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

7.1

Good

Alaska Airlines

8.0

Very good

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

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$ 517. If you're looking for a direct round-trip flight to Seattle, you can expect to pay around C$ 1,145.
Which airlines fly direct to Seattle?
At the moment, Alaska Airlines, Air Canada, WestJet, United Airlines, Hawaiian 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 2h 57m on average. The quickest direct flight to Seattle at this time departs from Vancouver Intl Airport (0h 55m), while the longest leaves from Montreal Pierre Elliott Trudeau Intl Airport (8h 50m).
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, October 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 Vancouver Intl Airport. A round-trip direct flight from Vancouver Intl Airport to Seattle typically costs around C$ 787.

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