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C$ 243+ Direct flights to Seattle

This is the cheapest price on a non-stop flight to Seattle found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
— SEA
3 Jan — 10 Jan1
1 adult
1 adult, Economy, 0 bags

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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 4 December 2025.

Thu 12/24:45 p.m.YYZ - SEA
Nonstop5h 33mAlaska Airlines
Sun 15/27:55 a.m.SEA - YYZ
Nonstop4h 40mAlaska Airlines
Deal found 3/12C$ 285
Sun 18/14:45 p.m.YYZ - SEA
Nonstop5h 32mAlaska Airlines
Sun 25/17:55 a.m.SEA - YYZ
Nonstop4h 40mAlaska Airlines
Deal found 4/12C$ 286
Sat 21/27:50 p.m.YYZ - SEA
Nonstop5h 26mAir Canada
Thu 26/28:10 a.m.SEA - YYZ
Nonstop4h 43mAir Canada
Deal found 2/12C$ 293
Fri 16/17:50 p.m.YYZ - SEA
Nonstop5h 26mAir Canada
Wed 21/18:10 a.m.SEA - YYZ
Nonstop4h 43mAir Canada
Deal found 2/12C$ 300
Wed 28/17:50 p.m.YYZ - SEA
Nonstop5h 26mAir Canada
Tue 10/28:10 a.m.SEA - YYZ
Nonstop4h 43mAir Canada
Deal found 3/12C$ 303
Mon 9/27:50 p.m.YYZ - SEA
Nonstop5h 26mAir Canada
Thu 19/28:10 a.m.SEA - YYZ
Nonstop4h 43mAir Canada
Deal found 3/12C$ 314
Thu 26/24:45 p.m.YYZ - SEA
Nonstop5h 33mAlaska Airlines
Mon 2/37:55 a.m.SEA - YYZ
Nonstop4h 40mAlaska Airlines
Deal found 2/12C$ 324
Sat 14/24:45 p.m.YYZ - SEA
Nonstop5h 33mAlaska Airlines
Mon 16/27:55 a.m.SEA - YYZ
Nonstop4h 40mAlaska Airlines
Deal found 3/12C$ 334
Thu 12/24:45 p.m.YYZ - SEA
Nonstop5h 33mAlaska Airlines
Mon 16/27:55 a.m.SEA - YYZ
Nonstop4h 40mAlaska Airlines
Deal found 3/12C$ 345
Mon 12/14:45 p.m.YYZ - SEA
Nonstop5h 32mAlaska Airlines
Wed 14/17:55 a.m.SEA - YYZ
Nonstop4h 40mAlaska Airlines
Deal found 4/12C$ 346
Fri 13/24:45 p.m.YYZ - SEA
Nonstop5h 33mAlaska Airlines
Mon 16/27:55 a.m.SEA - YYZ
Nonstop4h 40mAlaska Airlines
Deal found 3/12C$ 352

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.
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.

Cheapflights Fare Finder

 
Use the slider to find non-stop flights to Seattle within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 629,999 searches and data was last updated on 4 December 2025.
Use the filters below to find and compare direct flights to Seattle that are best for you.

Fly from

Toronto

Route

Depart

Return

Price

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Mon 9/2

4:45 p.m.-7:17 p.m.

Nonstop5h 32m

Seattle/Tacoma Intl

Thu 19/2

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

Nonstop4h 40m

C$ 286

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sun 18/1

4:45 p.m.-7:17 p.m.

Nonstop5h 32m

Seattle/Tacoma Intl

Sun 25/1

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

Nonstop4h 40m

C$ 286

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sat 14/3

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

Nonstop5h 26m

Seattle/Tacoma Intl

Wed 25/3

8:10 a.m.-3:53 p.m.

Nonstop4h 43m

C$ 308

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sat 14/3

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

Nonstop5h 26m

Seattle/Tacoma Intl

Thu 19/3

8:10 a.m.-3:53 p.m.

Nonstop4h 43m

C$ 308

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Mon 16/3

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

Nonstop5h 26m

Seattle/Tacoma Intl

Wed 25/3

8:10 a.m.-3:53 p.m.

Nonstop4h 43m

C$ 314

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Thu 26/2

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

Nonstop5h 33m

Seattle/Tacoma Intl

Mon 2/3

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

Nonstop4h 40m

C$ 314

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Mon 16/3

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

Nonstop5h 26m

Seattle/Tacoma Intl

Tue 24/3

8:10 a.m.-3:53 p.m.

Nonstop4h 43m

C$ 314

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Mon 16/3

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

Nonstop5h 26m

Seattle/Tacoma Intl

Thu 19/3

8:10 a.m.-3:53 p.m.

Nonstop4h 43m

C$ 314

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Mon 12/1

4:45 p.m.-7:17 p.m.

Nonstop5h 32m

Seattle/Tacoma Intl

Wed 14/1

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

Nonstop4h 40m

C$ 346

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Mon 16/3

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

Nonstop5h 26m

Seattle/Tacoma Intl

Sat 21/3

8:10 a.m.-3:53 p.m.

Nonstop4h 43m

C$ 349

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 24 results
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Reviews of airlines flying non-stop to Seattle

Get insights into the airlines that provide direct flights to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 4 December 2025.
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
11,396 reviews
Check prices

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Alaska Airlines
8.0
Very good
11,396 reviews
Alaska Airlines
8.0
Very good
11,396 reviews
Check prices

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Delta
7.9
Good
8,011 reviews
Alaska Airlines
8.0
Very good
11,396 reviews
Check prices

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
United Airlines
7.4
Good
9,063 reviews
Alaska Airlines
8.0
Very good
11,396 reviews
Check prices

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
WestJet
7.2
Good
3,191 reviews
Alaska Airlines
8.0
Very good
11,396 reviews
Check prices

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Air Canada
7.1
Good
10,500 reviews
Alaska Airlines
8.0
Very good
11,396 reviews
Check prices

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.

FAQ about direct flights to Seattle

Find answers to frequently asked questions about direct flights to Seattle to unlock the best deals on Cheapflights.

  • How much are direct flights to Seattle?

    On average, a one-way direct flight to Seattle will cost users approximately C$ 443. If you're looking for a direct round-trip flight to Seattle, you can expect to pay around C$ 922.

  • Which airlines fly direct to Seattle?

    At the moment, WestJet, Air Canada, Alaska Airlines, United Airlines, Delta, Hawaiian Airlines, American Airlines, Harbour Air Seaplanes offer direct flights to Seattle. WestJet 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 1h 59m 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, 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$ 1,011.

See more FAQs

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