Direct flights to Seattle | Cheapflights

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Best

Last-minute

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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 21 May 2026.

Tue 22/96:45 p.m.

YYZ

-

SEA

Nonstop5h 19m

Air Canada

Thu 8/108:00 a.m.

SEA

-

YYZ

Nonstop4h 50m

Air Canada

Deal found 20/5C$ 481

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 18/5C$ 501

Tue 22/96:45 p.m.

YYZ

-

SEA

Nonstop5h 19m

Air Canada

Tue 27/107:45 a.m.

SEA

-

YYZ

Nonstop4h 40m

Air Canada

Deal found 18/5C$ 523

Sat 3/106:45 p.m.

YYZ

-

SEA

Nonstop5h 19m

Air Canada

Mon 5/108:00 a.m.

SEA

-

YYZ

Nonstop4h 50m

Air Canada

Deal found 20/5C$ 531

Sun 11/106:45 p.m.

YYZ

-

SEA

Nonstop5h 19m

Air Canada

Sat 17/108:00 a.m.

SEA

-

YYZ

Nonstop4h 50m

Air Canada

Deal found 20/5C$ 539

Mon 21/96:45 p.m.

YYZ

-

SEA

Nonstop5h 19m

Air Canada

Tue 29/98:00 a.m.

SEA

-

YYZ

Nonstop4h 50m

Air Canada

Deal found 16/5C$ 567

Fri 11/96:45 p.m.

YYZ

-

SEA

Nonstop5h 19m

Air Canada

Mon 21/98:00 a.m.

SEA

-

YYZ

Nonstop4h 50m

Air Canada

Deal found 20/5C$ 594

Thu 8/106:45 p.m.

YYZ

-

SEA

Nonstop5h 19m

Air Canada

Sat 17/108:00 a.m.

SEA

-

YYZ

Nonstop4h 50m

Air Canada

Deal found 19/5C$ 602

Sun 15/114:45 p.m.

YYZ

-

SEA

Nonstop5h 29m

Alaska Airlines

Sat 21/117:55 a.m.

SEA

-

YYZ

Nonstop4h 44m

Alaska Airlines

Deal found 18/5C$ 605

Wed 30/96:45 p.m.

YYZ

-

SEA

Nonstop5h 19m

Air Canada

Thu 19/117:45 a.m.

SEA

-

YYZ

Nonstop4h 40m

Air Canada

Deal found 16/5C$ 616

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

Sat 24/10

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

Nonstop5h 19m

Seattle/Tacoma Intl

Sun 1/11

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

Nonstop4h 40m

C$ 501

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sun 15/11

4:45 p.m.-7:14 p.m.

Nonstop5h 29m

Seattle/Tacoma Intl

Sat 21/11

7:55 a.m.-3:39 p.m.

Nonstop4h 44m

C$ 605

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Wed 30/9

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

Nonstop5h 18m

Seattle/Tacoma Intl

Thu 19/11

7:48 a.m.-3:35 p.m.

Nonstop4h 47m

C$ 607

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Wed 10/6

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

Nonstop5h 30m

Seattle/Tacoma Intl

Sat 4/7

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

Nonstop4h 45m

C$ 876

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Thu 20/8

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

Nonstop5h 22m

Seattle/Tacoma Intl

Sun 23/8

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

Nonstop4h 45m

C$ 906

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Fri 5/6

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

Nonstop5h 24m

Seattle/Tacoma Intl

Tue 9/6

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

Nonstop4h 46m

C$ 948

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Wed 8/7

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

Nonstop5h 30m

Seattle/Tacoma Intl

Wed 22/7

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

Nonstop4h 45m

C$ 956

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Tue 9/6

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

Nonstop5h 24m

Seattle/Tacoma Intl

Fri 12/6

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

Nonstop4h 45m

C$ 1,008

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Thu 4/6

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

Nonstop5h 23m

Seattle/Tacoma Intl

Tue 9/6

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

Nonstop4h 54m

C$ 1,029

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Wed 29/7

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

Nonstop5h 30m

Seattle/Tacoma Intl

Tue 4/8

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

Nonstop4h 45m

C$ 1,040

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/5

Showing 1-10 of 22 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$ 419. If you're looking for a direct round-trip flight to Seattle, you can expect to pay around C$ 1,023.
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 1h 59m on average. The quickest direct flight to Seattle at this time departs from Vancouver Intl Airport (0h 07m), while the longest leaves from Toronto Pearson Intl Airport (5h 18m).
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$ 1,018.

See more FAQs

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