Direct flights to Seattle | Cheapflights

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Best

Last-minute

One-way

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 23 March 2026.

Sat 2/54:55 p.m.

YYZ

-

SEA

Nonstop5h 28m

Multiple Airlines

Sat 9/58:00 a.m.

SEA

-

YYZ

Nonstop4h 50m

Multiple Airlines

Deal found 21/3C$ 333

Thu 23/47:30 p.m.

YYZ

-

SEA

Nonstop5h 23m

Air Canada

Wed 29/48:00 a.m.

SEA

-

YYZ

Nonstop4h 54m

Air Canada

Deal found 19/3C$ 343

Tue 14/47:30 p.m.

YYZ

-

SEA

Nonstop5h 23m

Air Canada

Tue 21/48:00 a.m.

SEA

-

YYZ

Nonstop4h 54m

Air Canada

Deal found 19/3C$ 348

Tue 14/47:30 p.m.

YYZ

-

SEA

Nonstop5h 23m

Air Canada

Thu 23/48:00 a.m.

SEA

-

YYZ

Nonstop4h 54m

Air Canada

Deal found 19/3C$ 359

Tue 21/44:55 p.m.

YYZ

-

SEA

Nonstop5h 30m

Alaska Airlines

Sat 25/47:55 a.m.

SEA

-

YYZ

Nonstop4h 50m

Alaska Airlines

Deal found 21/3C$ 403

Thu 23/44:55 p.m.

YYZ

-

SEA

Nonstop5h 28m

Alaska Airlines

Sat 9/57:55 a.m.

SEA

-

YYZ

Nonstop4h 50m

Alaska Airlines

Deal found 20/3C$ 414

Thu 9/44:55 p.m.

YYZ

-

SEA

Nonstop5h 30m

Alaska Airlines

Sat 25/47:55 a.m.

SEA

-

YYZ

Nonstop4h 50m

Alaska Airlines

Deal found 19/3C$ 418

Thu 7/54:55 p.m.

YYZ

-

SEA

Nonstop5h 28m

Alaska Airlines

Sun 10/57:55 a.m.

SEA

-

YYZ

Nonstop4h 50m

Alaska Airlines

Deal found 22/3C$ 429

Thu 16/44:55 p.m.

YYZ

-

SEA

Nonstop5h 30m

Alaska Airlines

Sun 19/48:05 a.m.

SEA

-

YYZ

Nonstop4h 40m

Alaska Airlines

Deal found 20/3C$ 431

Sat 2/56:45 p.m.

YYZ

-

SEA

Nonstop5h 23m

Air Canada

Sat 9/58:00 a.m.

SEA

-

YYZ

Nonstop4h 50m

Air Canada

Deal found 22/3C$ 436

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 - SEA

YYZSEA

Toronto Pearson Intl

Tue 21/4

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

Nonstop5h 30m

Seattle/Tacoma Intl

Wed 6/5

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

Nonstop4h 50m

C$ 403

Quickest round-trip

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Thu 16/4

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$ 431

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Mon 20/4

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

Nonstop5h 30m

Seattle/Tacoma Intl

Wed 22/4

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

Nonstop4h 50m

C$ 509

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Wed 22/4

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

Nonstop5h 28m

Seattle/Tacoma Intl

Thu 23/4

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

Nonstop4h 50m

C$ 532

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Fri 17/4

7:30 p.m.-9:53 p.m.

Nonstop5h 23m

Seattle/Tacoma Intl

Tue 21/4

8:00 a.m.-3:54 p.m.

Nonstop4h 54m

C$ 621

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Thu 28/5

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

Nonstop5h 24m

Seattle/Tacoma Intl

Sun 31/5

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

Nonstop4h 46m

C$ 638

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Fri 22/5

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

Nonstop5h 24m

Seattle/Tacoma Intl

Sun 31/5

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

Nonstop4h 46m

C$ 638

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Fri 10/4

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

Nonstop5h 30m

Seattle/Tacoma Intl

Mon 27/4

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

Nonstop4h 50m

C$ 675

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sat 9/5

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

Nonstop5h 28m

Seattle/Tacoma Intl

Sun 17/5

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

Nonstop4h 46m

C$ 675

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Wed 22/4

7:30 p.m.-9:53 p.m.

Nonstop5h 23m

Seattle/Tacoma Intl

Thu 23/4

8:00 a.m.-3:54 p.m.

Nonstop4h 54m

C$ 713

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/3

Showing 1-10 of 23 resultsSorted by cheapest first

1

2

3

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,Dec 2025

SJC - SEA

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

Alaska Airlines

7.9

Good

Alaska Airlines

7.9

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

7.9

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

7.9

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

7.9

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

7.9

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$ 442. 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, Hawaiian Airlines, Delta, Harbour Air Seaplanes 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 00m on average. The quickest direct flight to Seattle at this time departs from Victoria (0h 53m), while the longest leaves from Toronto Pearson Intl Airport (5h 19m).
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 Toronto Pearson Intl Airport. A round-trip direct flight from Toronto Pearson Intl Airport to Seattle typically costs around C$ 466.

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