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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 15 May 2026.

Thu 1/106:45 p.m.

YYZ

-

SEA

Nonstop5h 19m

Air Canada

Mon 5/108:00 a.m.

SEA

-

YYZ

Nonstop4h 50m

Air Canada

Deal found 13/5C$ 539

Fri 25/96:45 p.m.

YYZ

-

SEA

Nonstop5h 19m

Air Canada

Sat 3/108:00 a.m.

SEA

-

YYZ

Nonstop4h 50m

Air Canada

Deal found 11/5C$ 542

Tue 6/106:45 p.m.

YYZ

-

SEA

Nonstop5h 19m

Air Canada

Sun 18/108:00 a.m.

SEA

-

YYZ

Nonstop4h 50m

Air Canada

Deal found 12/5C$ 562

Wed 30/94:55 p.m.

YYZ

-

SEA

Nonstop5h 18m

Alaska Airlines

Thu 19/117:48 a.m.

SEA

-

YYZ

Nonstop4h 47m

Alaska Airlines

Deal found 14/5C$ 605

Wed 7/104:55 p.m.

YYZ

-

SEA

Nonstop5h 31m

Alaska Airlines

Sat 17/108:00 a.m.

SEA

-

YYZ

Nonstop4h 45m

Alaska Airlines

Deal found 12/5C$ 606

Thu 10/96:45 p.m.

YYZ

-

SEA

Nonstop5h 19m

Air Canada

Thu 17/98:00 a.m.

SEA

-

YYZ

Nonstop4h 50m

Air Canada

Deal found 12/5C$ 608

Thu 28/56:45 p.m.

YYZ

-

SEA

Nonstop5h 23m

Air Canada

Wed 3/68:00 a.m.

SEA

-

YYZ

Nonstop4h 54m

Air Canada

Deal found 10/5C$ 610

Fri 5/66:45 p.m.

YYZ

-

SEA

Nonstop5h 23m

Air Canada

Tue 9/68:00 a.m.

SEA

-

YYZ

Nonstop4h 54m

Air Canada

Deal found 11/5C$ 617

Wed 30/96:45 p.m.

YYZ

-

SEA

Nonstop5h 19m

Air Canada

Thu 19/118:10 a.m.

SEA

-

YYZ

Nonstop4h 43m

Air Canada

Deal found 12/5C$ 636

Sat 26/96:45 p.m.

YYZ

-

SEA

Nonstop5h 19m

Air Canada

Sun 27/98:00 a.m.

SEA

-

YYZ

Nonstop4h 50m

Air Canada

Deal found 10/5C$ 658

Thu 8/104:55 p.m.

YYZ

-

SEA

Nonstop5h 31m

Alaska Airlines

Wed 14/108:00 a.m.

SEA

-

YYZ

Nonstop4h 45m

Alaska Airlines

Deal found 12/5C$ 662

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

Quickest round-trip

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Wed 30/9

6:45 p.m.-9:04 p.m.

Nonstop5h 19m

Seattle/Tacoma Intl

Wed 18/11

7:45 a.m.-3:25 p.m.

Nonstop4h 40m

C$ 499

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Tue 2/6

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

Nonstop5h 24m

Seattle/Tacoma Intl

Fri 5/6

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

Nonstop4h 46m

C$ 808

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sat 5/9

4:55 p.m.-7:13 p.m.

Nonstop5h 18m

Seattle/Tacoma Intl

Tue 8/9

7:49 a.m.-3:45 p.m.

Nonstop4h 56m

C$ 812

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Thu 28/5

6:45 p.m.-9:08 p.m.

Nonstop5h 23m

Seattle/Tacoma Intl

Wed 3/6

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

Nonstop4h 54m

C$ 815

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Tue 26/5

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

Nonstop5h 24m

Seattle/Tacoma Intl

Wed 10/6

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

Nonstop4h 45m

C$ 887

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Fri 10/7

6:45 p.m.-9:07 p.m.

Nonstop5h 22m

Seattle/Tacoma Intl

Tue 14/7

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

Nonstop4h 45m

C$ 938

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Tue 2/6

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

Nonstop5h 24m

Seattle/Tacoma Intl

Sat 4/7

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

Nonstop4h 45m

C$ 955

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Wed 22/7

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

Nonstop5h 30m

Seattle/Tacoma Intl

Sun 26/7

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

Nonstop4h 45m

C$ 956

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Fri 26/6

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

Nonstop5h 30m

Seattle/Tacoma Intl

Mon 29/6

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

Nonstop4h 45m

C$ 959

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Fri 10/7

6:45 p.m.-9:07 p.m.

Nonstop5h 22m

Seattle/Tacoma Intl

Mon 13/7

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

Nonstop4h 45m

C$ 1,019

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 21 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

8.0

Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Alaska Airlines

7.9

Good

Alaska Airlines

7.9

Good

Reviews

1 / 20

8.0

Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

7.9

Good

Alaska Airlines

7.9

Good

Reviews

1 / 20

8.0

Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

United Airlines

7.4

Good

Alaska Airlines

7.9

Good

Reviews

1 / 20

8.0

Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

7.2

Good

Alaska Airlines

7.9

Good

Reviews

1 / 20

8.0

Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

7.1

Good

Alaska Airlines

7.9

Good

Reviews

1 / 20

8.0

Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

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$ 475. If you're looking for a direct round-trip flight to Seattle, you can expect to pay around C$ 961.
Which airlines fly direct to Seattle?
At the moment, Alaska Airlines, Air Canada, WestJet, United Airlines, Harbour Air Seaplanes, Hawaiian Airlines 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 Calgary. A round-trip direct flight from Calgary to Seattle typically costs around C$ 973.

See more FAQs

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