Direct flights to Seattle | Cheapflights

Find flight deals to Seattle

Enter your travel dates to find the best prices.

Cheapest

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 7 March 2026.

Sun 5/47:30 p.m.

YYZ

-

SEA

Nonstop5h 23m

Air Canada

Tue 14/48:00 a.m.

SEA

-

YYZ

Nonstop4h 54m

Air Canada

Deal found 4/3C$ 300

Sun 5/47:30 p.m.

YYZ

-

SEA

Nonstop5h 23m

Multiple Airlines

Tue 14/48:05 a.m.

SEA

-

YYZ

Nonstop4h 40m

Multiple Airlines

Deal found 4/3C$ 344

Thu 2/44:55 p.m.

YYZ

-

SEA

Nonstop5h 30m

Alaska Airlines

Sun 19/48:05 a.m.

SEA

-

YYZ

Nonstop4h 40m

Alaska Airlines

Deal found 2/3C$ 360

Tue 14/44:55 p.m.

YYZ

-

SEA

Nonstop5h 30m

Alaska Airlines

Wed 22/47:55 a.m.

SEA

-

YYZ

Nonstop4h 50m

Alaska Airlines

Deal found 3/3C$ 361

Sat 4/47:30 p.m.

YYZ

-

SEA

Nonstop5h 23m

Air Canada

Tue 7/48:00 a.m.

SEA

-

YYZ

Nonstop4h 54m

Air Canada

Deal found 4/3C$ 371

Tue 14/47:30 p.m.

YYZ

-

SEA

Nonstop5h 23m

Air Canada

Thu 16/48:00 a.m.

SEA

-

YYZ

Nonstop4h 54m

Air Canada

Deal found 3/3C$ 372

Thu 7/56:45 p.m.

YYZ

-

SEA

Nonstop5h 23m

Air Canada

Tue 12/58:00 a.m.

SEA

-

YYZ

Nonstop4h 50m

Air Canada

Deal found 6/3C$ 402

Thu 16/47:30 p.m.

YYZ

-

SEA

Nonstop5h 23m

Air Canada

Wed 29/48:00 a.m.

SEA

-

YYZ

Nonstop4h 54m

Air Canada

Deal found 5/3C$ 404

Fri 17/47:30 p.m.

YYZ

-

SEA

Nonstop5h 23m

Air Canada

Wed 22/48:00 a.m.

SEA

-

YYZ

Nonstop4h 54m

Air Canada

Deal found 5/3C$ 416

Mon 30/34:55 p.m.

YYZ

-

SEA

Nonstop5h 30m

Alaska Airlines

Sun 19/48:05 a.m.

SEA

-

YYZ

Nonstop4h 40m

Alaska Airlines

Deal found 2/3C$ 420

Tue 19/56:45 p.m.

YYZ

-

SEA

Nonstop5h 23m

Air Canada

Tue 28/78:00 a.m.

SEA

-

YYZ

Nonstop4h 45m

Air Canada

Deal found 4/3C$ 423

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

Fri 24/4

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

Nonstop5h 28m

Seattle/Tacoma Intl

Sat 2/5

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

Nonstop4h 50m

C$ 429

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Thu 9/4

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

Nonstop5h 30m

Seattle/Tacoma Intl

Mon 13/4

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

Nonstop4h 40m

C$ 489

Quickest round-trip

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Wed 1/4

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

Nonstop5h 30m

Seattle/Tacoma Intl

Wed 8/4

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

Nonstop4h 36m

C$ 496

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Tue 31/3

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

Nonstop5h 30m

Seattle/Tacoma Intl

Tue 14/4

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

Nonstop4h 40m

C$ 496

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Mon 30/3

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

Nonstop5h 30m

Seattle/Tacoma Intl

Mon 6/4

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

Nonstop4h 36m

C$ 548

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Thu 7/5

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

Nonstop5h 28m

Seattle/Tacoma Intl

Sat 16/5

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

Nonstop4h 46m

C$ 548

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Thu 26/3

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

Nonstop5h 30m

Seattle/Tacoma Intl

Wed 1/4

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

Nonstop4h 36m

C$ 548

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Fri 8/5

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

Nonstop5h 28m

Seattle/Tacoma Intl

Fri 15/5

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

Nonstop4h 46m

C$ 551

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sat 23/5

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

Nonstop5h 24m

Seattle/Tacoma Intl

Tue 28/7

8:00 a.m.-3:45 p.m.

Nonstop4h 45m

C$ 568

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sat 23/5

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

Nonstop5h 24m

Seattle/Tacoma Intl

Fri 29/5

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

Nonstop4h 46m

C$ 588

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 19 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

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$ 483. If you're looking for a direct round-trip flight to Seattle, you can expect to pay around C$ 937.
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 51m on average. The quickest direct flight to Seattle at this time departs from Victoria (0h 53m), while the longest leaves from Montreal Pierre Elliott Trudeau Intl Airport (7h 52m).
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$ 430.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Popular United States destinations

Popular North America destinations

Popular Seattle routes

Airlines

United States origins

Direct flights to United States

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.