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 20 February 2026.

Wed 11/34:45 p.m.

YYZ

-

SEA

Nonstop5h 33m

Alaska Airlines

Wed 25/37:55 a.m.

SEA

-

YYZ

Nonstop4h 40m

Alaska Airlines

Deal found 18/2C$ 304

Mon 16/34:45 p.m.

YYZ

-

SEA

Nonstop5h 33m

Alaska Airlines

Tue 24/37:55 a.m.

SEA

-

YYZ

Nonstop4h 40m

Alaska Airlines

Deal found 18/2C$ 315

Tue 24/34:45 p.m.

YYZ

-

SEA

Nonstop5h 30m

Alaska Airlines

Fri 27/37:55 a.m.

SEA

-

YYZ

Nonstop4h 40m

Alaska Airlines

Deal found 16/2C$ 316

Mon 23/34:45 p.m.

YYZ

-

SEA

Nonstop5h 30m

Alaska Airlines

Fri 27/37:55 a.m.

SEA

-

YYZ

Nonstop4h 40m

Alaska Airlines

Deal found 19/2C$ 326

Mon 16/34:45 p.m.

YYZ

-

SEA

Nonstop5h 33m

Alaska Airlines

Thu 26/37:55 a.m.

SEA

-

YYZ

Nonstop4h 40m

Alaska Airlines

Deal found 18/2C$ 327

Mon 16/34:45 p.m.

YYZ

-

SEA

Nonstop5h 33m

Multiple Airlines

Tue 24/38:00 a.m.

SEA

-

YYZ

Nonstop4h 43m

Multiple Airlines

Deal found 17/2C$ 335

Tue 17/37:50 p.m.

YYZ

-

SEA

Nonstop5h 26m

Air Canada

Tue 24/38:00 a.m.

SEA

-

YYZ

Nonstop4h 43m

Air Canada

Deal found 17/2C$ 341

Tue 10/37:50 p.m.

YYZ

-

SEA

Nonstop5h 26m

Air Canada

Thu 12/38:00 a.m.

SEA

-

YYZ

Nonstop4h 43m

Air Canada

Deal found 17/2C$ 350

Fri 20/34:45 p.m.

YYZ

-

SEA

Nonstop5h 30m

Alaska Airlines

Tue 31/38:09 a.m.

SEA

-

YYZ

Nonstop4h 36m

Alaska Airlines

Deal found 19/2C$ 367

Wed 8/44:55 p.m.

YYZ

-

SEA

Nonstop5h 30m

Alaska Airlines

Tue 14/48:05 a.m.

SEA

-

YYZ

Nonstop4h 40m

Alaska Airlines

Deal found 18/2C$ 368

Tue 21/44:55 p.m.

YYZ

-

SEA

Nonstop5h 30m

Alaska Airlines

Wed 29/47:55 a.m.

SEA

-

YYZ

Nonstop4h 50m

Alaska Airlines

Deal found 17/2C$ 370

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

Wed 11/3

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

Nonstop5h 33m

Seattle/Tacoma Intl

Wed 25/3

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

Nonstop4h 40m

C$ 304

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Wed 18/3

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

Nonstop5h 30m

Seattle/Tacoma Intl

Wed 25/3

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

Nonstop4h 40m

C$ 304

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Mon 16/3

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$ 315

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Tue 24/3

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

Nonstop5h 30m

Seattle/Tacoma Intl

Fri 27/3

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

Nonstop4h 40m

C$ 316

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Tue 10/3

7:50 p.m.-10:16 p.m.

Nonstop5h 26m

Seattle/Tacoma Intl

Thu 12/3

8:00 a.m.-3:43 p.m.

Nonstop4h 43m

C$ 350

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Tue 21/4

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

Nonstop5h 30m

Seattle/Tacoma Intl

Tue 28/4

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

Nonstop4h 50m

C$ 367

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Tue 10/3

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

Nonstop5h 33m

Seattle/Tacoma Intl

Sun 29/3

8:09 a.m.-3:45 p.m.

Nonstop4h 36m

C$ 370

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sat 30/5

4:55 p.m.-7:19 p.m.

Nonstop5h 24m

Seattle/Tacoma Intl

Sat 6/6

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

Nonstop4h 46m

C$ 379

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Thu 12/3

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

Nonstop5h 33m

Seattle/Tacoma Intl

Thu 26/3

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

Nonstop4h 40m

C$ 379

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Thu 2/4

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

Nonstop5h 30m

Seattle/Tacoma Intl

Tue 7/4

8:09 a.m.-3:45 p.m.

Nonstop4h 36m

C$ 381

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/2

Showing 1-10 of 22 results

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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$ 538. If you're looking for a direct round-trip flight to Seattle, you can expect to pay around C$ 1,290.
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 3h 01m 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 (9h 14m).
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$ 874.

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