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C$ 237+ 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 25/2. Fares are subject to change and may not be available on all flights or dates of travel.
— SEA
25 Dec — 1 Jan1
1 adult
1 adult, Economy, 0 bags

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Enter your travel dates to find the best prices.

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 25 November 2025.

Thu 8/17:50 p.m.YYZ - SEA
Nonstop5h 26mAir Canada
Tue 3/28:10 a.m.SEA - YYZ
Nonstop4h 43mAir Canada
Deal found 24/11C$ 340
Tue 31/34:45 p.m.YYZ - SEA
Nonstop5h 20mAlaska Airlines
Tue 28/47:55 a.m.SEA - YYZ
Nonstop4h 40mAlaska Airlines
Deal found 24/11C$ 346
Thu 8/14:45 p.m.YYZ - SEA
Nonstop5h 32mAlaska Airlines
Sun 18/17:55 a.m.SEA - YYZ
Nonstop4h 40mAlaska Airlines
Deal found 24/11C$ 350
Thu 8/17:50 p.m.YYZ - SEA
Nonstop5h 26mAir Canada
Sun 11/18:10 a.m.SEA - YYZ
Nonstop4h 43mAir Canada
Deal found 23/11C$ 351
Sat 10/17:50 p.m.YYZ - SEA
Nonstop5h 26mAir Canada
Sat 31/18:10 a.m.SEA - YYZ
Nonstop4h 43mAir Canada
Deal found 24/11C$ 354
Mon 30/34:45 p.m.YYZ - SEA
Nonstop5h 20mAlaska Airlines
Tue 28/47:55 a.m.SEA - YYZ
Nonstop4h 40mAlaska Airlines
Deal found 24/11C$ 356
Thu 8/14:45 p.m.YYZ - SEA
Nonstop5h 32mAlaska Airlines
Wed 28/17:55 a.m.SEA - YYZ
Nonstop4h 40mAlaska Airlines
Deal found 24/11C$ 357
Thu 8/14:45 p.m.YYZ - SEA
Nonstop5h 32mAlaska Airlines
Fri 30/17:55 a.m.SEA - YYZ
Nonstop4h 40mAlaska Airlines
Deal found 24/11C$ 367
Fri 9/17:50 p.m.YYZ - SEA
Nonstop5h 26mAir Canada
Sun 18/18:10 a.m.SEA - YYZ
Nonstop4h 43mAir Canada
Deal found 24/11C$ 375
Wed 7/14:45 p.m.YYZ - SEA
Nonstop5h 32mAlaska Airlines
Wed 28/17:55 a.m.SEA - YYZ
Nonstop4h 40mAlaska Airlines
Deal found 24/11C$ 412
Wed 7/14:45 p.m.YYZ - SEA
Nonstop5h 32mAlaska Airlines
Thu 29/17:55 a.m.SEA - YYZ
Nonstop4h 40mAlaska Airlines
Deal found 24/11C$ 420
Fri 9/17:50 p.m.YYZ - SEA
Nonstop5h 26mAir Canada
Fri 16/18:10 a.m.SEA - YYZ
Nonstop4h 43mAir Canada
Deal found 24/11C$ 444

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 25 November 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

Tue 31/3

4:45 p.m.-7:05 p.m.

Nonstop5h 20m

Seattle/Tacoma Intl

Tue 28/4

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

Nonstop4h 40m

C$ 346

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Thu 8/1

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

Nonstop5h 26m

Seattle/Tacoma Intl

Sun 1/2

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

Nonstop4h 43m

C$ 351

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Wed 18/3

4:45 p.m.-7:05 p.m.

Nonstop5h 20m

Seattle/Tacoma Intl

Sun 22/3

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

Nonstop4h 40m

C$ 367

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Wed 7/1

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

Nonstop5h 32m

Seattle/Tacoma Intl

Tue 3/2

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

Nonstop4h 40m

C$ 412

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sun 29/3

4:45 p.m.-7:05 p.m.

Nonstop5h 20m

Seattle/Tacoma Intl

Tue 28/4

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

Nonstop4h 40m

C$ 483

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sat 17/1

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

Nonstop5h 26m

Seattle/Tacoma Intl

Sat 24/1

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

Nonstop4h 43m

C$ 488

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Thu 25/12

4:45 p.m.-7:11 p.m.

Nonstop5h 26m

Seattle/Tacoma Intl

Wed 31/12

8:00 a.m.-3:35 p.m.

Nonstop4h 35m

C$ 492

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Fri 13/3

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

Nonstop5h 26m

Seattle/Tacoma Intl

Fri 20/3

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

Nonstop4h 43m

C$ 508

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sun 7/12

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

Nonstop5h 33m

Seattle/Tacoma Intl

Thu 11/12

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

Nonstop4h 40m

C$ 526

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sun 29/3

4:45 p.m.-7:05 p.m.

Nonstop5h 20m

Seattle/Tacoma Intl

Mon 27/4

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

Nonstop4h 40m

C$ 547

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/11

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 25 November 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
11,340 reviews
Check prices

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

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
11,340 reviews
Alaska Airlines
8.0
Very good
11,340 reviews
Check prices

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

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
7,998 reviews
Alaska Airlines
8.0
Very good
11,340 reviews
Check prices

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

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
9,043 reviews
Alaska Airlines
8.0
Very good
11,340 reviews
Check prices

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

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
3,173 reviews
Alaska Airlines
8.0
Very good
11,340 reviews
Check prices

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

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
10,471 reviews
Alaska Airlines
8.0
Very good
11,340 reviews
Check prices

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

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.

Temperature and rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average temperature and rainfall totals by month.

SEA

Temperature

5 - 19 °C

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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$ 609. If you're looking for a direct round-trip flight to Seattle, you can expect to pay around C$ 918.

  • 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 2h 00m on average. The quickest direct flight to Seattle at this time departs from Vancouver Intl Airport (0h 55m), while the longest leaves from Toronto Pearson Intl Airport (5h 20m).

  • 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$ 1,199.

See more FAQs

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