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Cheap flights from Seattle to Toronto from $95

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Toronto departing on 2/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to Toronto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
5:45 am - 6:10 pm
SEA
-
YTZ
9h 25m2 stops
Air Canada Logo
8:50 am - 10:51 pm
YTZ
-
SEA
17h 01m2 stops
$259Air Canada
Tue, Feb 17 - Tue, Feb 24
Air Canada Logo
8:00 pm - 9:42 am
SEA
-
YTZ
10h 42m2 stops
Air Canada Logo
12:30 pm - 9:15 am
YTZ
-
SEA
23h 45m2 stops
$260Air Canada
Thu, Jan 22 - Wed, Jan 28
Air Canada Logo
8:00 pm - 9:42 am
SEA
-
YTZ
10h 42m2 stops
Air Canada Logo
12:30 pm - 9:15 am
YTZ
-
SEA
23h 45m2 stops
$275Air Canada
Thu, Jan 22 - Wed, Jan 28
Multiple Airlines Logo
11:05 pm - 5:43 pm
SEA
-
YTZ
15h 38m2 stops
Multiple Airlines Logo
9:20 am - 6:22 pm
YTZ
-
SEA
12h 02m1 stop
$299Multiple Airlines
Tue, Feb 3 - Tue, Feb 10
Multiple Airlines Logo
10:09 am - 10:10 pm
SEA
-
YTZ
9h 01m1 stop
Multiple Airlines Logo
7:00 am - 6:49 pm
YTZ
-
SEA
14h 49m2 stops
$350Multiple Airlines
Tue, Feb 3 - Thu, Feb 5
Air Canada Logo
7:15 am - 7:52 pm
SEA
-
YTZ
9h 37m1 stop
Air Canada Logo
12:30 pm - 7:37 pm
YTZ
-
SEA
10h 07m1 stop
$351Air Canada
Sun, May 10 - Wed, May 13
Multiple Airlines Logo
10:09 am - 10:35 am
SEA
-
YTZ
21h 26m1 stop
Multiple Airlines Logo
7:00 am - 8:16 am
YTZ
-
SEA
28h 16m2 stops
$357Multiple Airlines
Tue, Feb 17 - Tue, Feb 24
Multiple Airlines Logo
11:55 am - 5:43 pm
SEA
-
YTZ
26h 48m3 stops
Multiple Airlines Logo
2:00 pm - 10:22 am
YTZ
-
SEA
23h 22m3 stops
$358Multiple Airlines
Mon, Jan 19 - Thu, Jan 22
Multiple Airlines Logo
8:00 pm - 8:50 pm
SEA
-
YTZ
21h 50m2 stops
Multiple Airlines Logo
7:00 am - 7:16 pm
YTZ
-
SEA
15h 16m2 stops
$374Multiple Airlines
Sun, Feb 22 - Sun, Mar 1
Multiple Airlines Logo
11:08 pm - 7:50 pm
SEA
-
YTZ
17h 42m2 stops
Multiple Airlines Logo
1:30 pm - 10:54 pm
YTZ
-
SEA
12h 24m1 stop
$376Multiple Airlines
Sun, Feb 22 - Sun, Mar 1

Air Canada flights from Seattle to Toronto Island Airport

Our best Air Canada deals on Seattle to Toronto Island Airport flight tickets
Air Canada
Feb 17
SEA5:45 amSeattle/Tacoma Intl
9h 25m
2 stops
YTZ6:10 pmToronto Island
Feb 24
YTZ8:50 amToronto Island
17h 01m
2 stops
SEA10:51 pmSeattle/Tacoma Intl
$259
Air Canada
Jan 22
SEA8:00 pmSeattle/Tacoma Intl
10h 42m
2 stops
YTZ9:42 amToronto Island
Jan 28
YTZ12:30 pmToronto Island
23h 45m
2 stops
SEA9:15 amSeattle/Tacoma Intl
$260
Air Canada
Jan 22
SEA8:00 pmSeattle/Tacoma Intl
10h 42m
2 stops
YTZ9:42 amToronto Island
Jan 28
YTZ12:30 pmToronto Island
23h 45m
2 stops
SEA9:15 amSeattle/Tacoma Intl
$275

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Toronto Island Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 8, 2026.
Use the filters below to find and compare flights from Seattle to Toronto Island Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Tue 2/17

5:45 am-6:10 pm

2 stops9h 25m

Toronto Island

Tue 2/24

8:50 am-10:51 pm

2 stops17h 01m

$259

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Thu 1/22

8:00 pm-9:42 am

2 stops10h 42m

Toronto Island

Wed 1/28

12:30 pm-9:15 am

2 stops23h 45m

$260

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Thu 1/22

8:00 pm-9:42 am

2 stops10h 42m

Toronto Island

Wed 1/28

12:30 pm-9:15 am

2 stops23h 45m

$275

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Tue 2/3

11:05 pm-5:43 pm

2 stops15h 38m

Toronto Island

Tue 2/10

9:20 am-6:22 pm

1 stop12h 02m

$299

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Tue 2/3

10:09 am-10:10 pm

1 stop9h 01m

Toronto Island

Thu 2/5

7:00 am-6:49 pm

2 stops14h 49m

$350

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Sun 5/10

7:15 am-7:52 pm

1 stop9h 37m

Toronto Island

Wed 5/13

12:30 pm-7:37 pm

1 stop10h 07m

$351

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Tue 2/17

10:09 am-10:35 am

1 stop21h 26m

Toronto Island

Tue 2/24

7:00 am-8:16 am

2 stops28h 16m

$357

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Mon 1/19

11:55 am-5:43 pm

3 stops26h 48m

Toronto Island

Thu 1/22

2:00 pm-10:22 am

3 stops23h 22m

$358

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Sun 2/22

8:00 pm-8:50 pm

2 stops21h 50m

Toronto Island

Sun 3/1

7:00 am-7:16 pm

2 stops15h 16m

$374

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Sun 2/22

11:08 pm-7:50 pm

2 stops17h 42m

Toronto Island

Sun 3/1

1:30 pm-10:54 pm

1 stop12h 24m

$376

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Toronto from

How to get the cheapest flight ticket from Seattle to Toronto Island Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Seattle/Tacoma Intl to Toronto Island?

Air Canada is the most popular carrier operating from Seattle/Tacoma Intl to Toronto Island

When to book flights from Seattle to Toronto Island Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Toronto Island Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Toronto Island Airport (SEA to YTZ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Toronto Island Airport

Fastest flight time

6h 41m

Direct flights

None
The fastest flight from Seattle to Toronto Island Airport takes 6h 41m
There are no direct flights from Seattle to Toronto Island Airport. There are no popular flight routes from Seattle to Toronto Island Airport.
Search flight deals

  • How far is Seattle/Tacoma Intl to Toronto Island by plane?

    A flight from Seattle/Tacoma Intl to Toronto Island will travel around 2064.9 mi. In terms of flight time, this usually takes a little over 6h 41m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Toronto Island Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Toronto Island Airport are updated daily.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Toronto Island Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Toronto Island Airport.

  • What documentation or ID do you need to fly to Toronto Island Airport?

    The travel and health documents you'll need for your trip to Toronto Island Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Toronto Island Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Toronto?

Finding the right flight to Toronto from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Toronto quick and easy, saving you time and money.

Can I find flights from Seattle to Toronto with flexible booking policies on momondo?

All flight searches from Seattle to Toronto on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Toronto?

momondo provides multiple filters to help you find the best flight to Toronto from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Seattle to Toronto right now. Can momondo alert me if prices change?

Price alerts on flights to Toronto from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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