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Cheap flights from Seattle to Toronto from $187

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to Toronto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:41 pm - 6:00 pmSEA  Seattle/Tacoma Intl-YTZ Toronto Island
15h 19m1 stop Chicago O'Hare Intl
Multiple Airlines Logo
4:35 pm - 9:42 amYTZ  Toronto Island-SEA Seattle/Tacoma Intl
20h 07m1 stop Chicago O'Hare Intl
$419Multiple Airlines
Thu, Oct 22 - Tue, Oct 27
Multiple Airlines Logo
5:54 pm - 3:06 pmSEA  Seattle/Tacoma Intl-YTZ Toronto Island
18h 12m1 stop Chicago O'Hare Intl
Multiple Airlines Logo
4:35 pm - 11:26 pmYTZ  Toronto Island-SEA Seattle/Tacoma Intl
9h 51m1 stop Chicago O'Hare Intl
$420Multiple Airlines
Fri, Dec 4 - Tue, Dec 15
Multiple Airlines Logo
11:41 pm - 2:25 pmSEA  Seattle/Tacoma Intl-YTZ Toronto Island
11h 44m1 stop Chicago O'Hare Intl
Multiple Airlines Logo
1:45 pm - 8:37 amYTZ  Toronto Island-SEA Seattle/Tacoma Intl
21h 52m1 stop Chicago Midway
$421Multiple Airlines
Fri, Oct 16 - Thu, Oct 22
Multiple Airlines Logo
11:41 pm - 9:06 pmSEA  Seattle/Tacoma Intl-YTZ Toronto Island
18h 25m1 stop Chicago O'Hare Intl
Multiple Airlines Logo
10:35 am - 9:29 pmYTZ  Toronto Island-SEA Seattle/Tacoma Intl
13h 54m1 stop Chicago O'Hare Intl
$423Multiple Airlines
Thu, Oct 29 - Tue, Nov 3
Air Canada Logo
5:50 am - 6:20 pmSEA  Seattle/Tacoma Intl-YTZ Toronto Island
9h 30m2 stops Vancouver Intl Ottawa
Air Canada Logo
3:35 pm - 10:47 pmYTZ  Toronto Island-SEA Seattle/Tacoma Intl
10h 12m2 stops Ottawa Vancouver Intl
$451Air Canada
Sat, Oct 17 - Sat, Oct 24
Multiple Airlines Logo
3:56 pm - 12:55 pmSEA  Seattle/Tacoma Intl-YTZ Toronto Island
17h 59m1 stop Washington, D.C. Dulles Intl
Multiple Airlines Logo
10:35 am - 6:28 pmYTZ  Toronto Island-SEA Seattle/Tacoma Intl
10h 53m1 stop Chicago O'Hare Intl
$462Multiple Airlines
Wed, Oct 21 - Wed, Oct 28
Multiple Airlines Logo
5:32 pm - 4:00 pmSEA  Seattle/Tacoma Intl-YTZ Toronto Island
19h 28m1 stop Nashville Intl
Multiple Airlines Logo
4:35 pm - 9:42 amYTZ  Toronto Island-SEA Seattle/Tacoma Intl
20h 07m1 stop Chicago O'Hare Intl
$471Multiple Airlines
Tue, Oct 20 - Tue, Oct 27
Multiple Airlines Logo
12:58 am - 3:06 pmSEA  Seattle/Tacoma Intl-YTZ Toronto Island
11h 08m1 stop Chicago O'Hare Intl
Multiple Airlines Logo
10:35 am - 9:42 pmYTZ  Toronto Island-SEA Seattle/Tacoma Intl
14h 07m1 stop Chicago O'Hare Intl
$473Multiple Airlines
Fri, Dec 11 - Wed, Jan 20
Multiple Airlines Logo
5:54 pm - 3:06 pmSEA  Seattle/Tacoma Intl-YTZ Toronto Island
18h 12m1 stop Chicago O'Hare Intl
Multiple Airlines Logo
4:35 pm - 10:47 amYTZ  Toronto Island-SEA Seattle/Tacoma Intl
21h 12m1 stop Chicago O'Hare Intl
$473Multiple Airlines
Sat, Dec 5 - Sat, Jan 16
Multiple Airlines Logo
3:56 pm - 12:55 pmSEA  Seattle/Tacoma Intl-YTZ Toronto Island
17h 59m1 stop Washington, D.C. Dulles Intl
Multiple Airlines Logo
10:30 am - 6:45 pmYTZ  Toronto Island-SEA Seattle/Tacoma Intl
11h 15m2 stops Ottawa Calgary
$477Multiple Airlines
Fri, Oct 16 - Tue, Oct 20

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Air Canada flights from Seattle to Toronto Island Airport

Our best Air Canada deals on Seattle to Toronto Island Airport flight tickets
Air Canada
Oct 21
SEA5:50 amSeattle/Tacoma Intl
9h 30m
2 stops
YTZ6:20 pmToronto Island
Oct 28
YTZ8:30 pmToronto Island
21h 07m
2 stops
SEA2:37 pmSeattle/Tacoma Intl
$489
Air Canada
Oct 20
SEA5:50 amSeattle/Tacoma Intl
11h 00m
2 stops
YTZ7:50 pmToronto Island
Oct 27
YTZ8:30 pmToronto Island
21h 07m
2 stops
SEA2:37 pmSeattle/Tacoma Intl
$501
Air Canada
Oct 5
SEA3:00 pmSeattle/Tacoma Intl
13h 45m
2 stops
YTZ7:45 amToronto Island
Oct 6
YTZ3:35 pmToronto Island
10h 12m
2 stops
SEA10:47 pmSeattle/Tacoma Intl
$555

momondo Fare Finder

 
Use the filters below to find and compare flights from Seattle to Toronto Island Airport that are best for you.

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Route

Depart

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Price

Cheapest round-trip

SeattleToronto

SEA Seattle/Tacoma Intl - YTZ Toronto Island

SEAYTZ

Seattle/Tacoma Intl

Thu 10/22

11:41 pm-6:00 pm

1 stop15h 19m

Toronto Island

Tue 10/27

4:35 pm-9:42 am

1 stop20h 07m

$419

SeattleToronto

SEA Seattle/Tacoma Intl - YTZ Toronto Island

SEAYTZ

Seattle/Tacoma Intl

Fri 12/4

5:54 pm-3:06 pm

1 stop18h 12m

Toronto Island

Tue 12/15

4:35 pm-11:26 pm

1 stop9h 51m

$420

SeattleToronto

SEA Seattle/Tacoma Intl - YTZ Toronto Island

SEAYTZ

Seattle/Tacoma Intl

Fri 10/16

11:41 pm-2:25 pm

1 stop11h 44m

Toronto Island

Thu 10/22

1:45 pm-8:37 am

1 stop21h 52m

$421

SeattleToronto

SEA Seattle/Tacoma Intl - YTZ Toronto Island

SEAYTZ

Seattle/Tacoma Intl

Thu 10/29

11:41 pm-9:06 pm

1 stop18h 25m

Toronto Island

Tue 11/3

10:35 am-9:29 pm

1 stop13h 54m

$423
Quickest round-trip

SeattleToronto

SEA Seattle/Tacoma Intl - YTZ Toronto Island

SEAYTZ

Seattle/Tacoma Intl

Sat 10/17

5:50 am-6:20 pm

2 stops9h 30m

Toronto Island

Sat 10/24

3:35 pm-10:47 pm

2 stops10h 12m

$451

SeattleToronto

SEA Seattle/Tacoma Intl - YTZ Toronto Island

SEAYTZ

Seattle/Tacoma Intl

Wed 10/21

3:56 pm-12:55 pm

1 stop17h 59m

Toronto Island

Wed 10/28

10:35 am-6:28 pm

1 stop10h 53m

$462

SeattleToronto

SEA Seattle/Tacoma Intl - YTZ Toronto Island

SEAYTZ

Seattle/Tacoma Intl

Tue 10/20

5:32 pm-4:00 pm

1 stop19h 28m

Toronto Island

Tue 10/27

4:35 pm-9:42 am

1 stop20h 07m

$471

SeattleToronto

SEA Seattle/Tacoma Intl - YTZ Toronto Island

SEAYTZ

Seattle/Tacoma Intl

Fri 12/11

12:58 am-3:06 pm

1 stop11h 08m

Toronto Island

Wed 1/20

10:35 am-9:42 pm

1 stop14h 07m

$473

SeattleToronto

SEA Seattle/Tacoma Intl - YTZ Toronto Island

SEAYTZ

Seattle/Tacoma Intl

Sat 12/5

5:54 pm-3:06 pm

1 stop18h 12m

Toronto Island

Sat 1/16

4:35 pm-10:47 am

1 stop21h 12m

$473

SeattleToronto

SEA Seattle/Tacoma Intl - YTZ Toronto Island

SEAYTZ

Seattle/Tacoma Intl

Fri 10/16

3:56 pm-12:55 pm

1 stop17h 59m

Toronto Island

Tue 10/20

10:30 am-6:45 pm

2 stops11h 15m

$477

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

Can stopping save me money on Seattle to Toronto Island Airport flights?

You could potentially save up to 14% on your flight if you consider stops on a Seattle to Toronto Island Airport flight.

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

Best Price Found

$187

Fastest flight time

6h 41m

Direct flights

None
The best one-way flight to Toronto Island Airport from Seattle in the past 72 hours is $187. The best round-trip flight deal from Seattle to Toronto Island Airport found on momondo in the last 72 hours is $419.
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

Frequently asked questions about flying from Seattle to Toronto Island Airport

  • 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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