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Cheap flights from Seattle to Toronto from $239

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
9:18 pm - 11:19 amSEA  Seattle/Tacoma Intl-YTZ Toronto Island
11h 01m1 stop Newark
Multiple Airlines Logo
4:15 pm - 3:12 pmYTZ  Toronto Island-SEA Seattle/Tacoma Intl
25h 57m2 stops Washington, D.C. Dulles Intl Denver Intl
$566Multiple Airlines
Tue, Nov 10 - Sun, Nov 15
Multiple Airlines Logo
9:18 pm - 3:54 pmSEA  Seattle/Tacoma Intl-YTZ Toronto Island
15h 36m1 stop Newark
Multiple Airlines Logo
4:15 pm - 3:12 pmYTZ  Toronto Island-SEA Seattle/Tacoma Intl
25h 57m2 stops Washington, D.C. Dulles Intl Denver Intl
$567Multiple Airlines
Tue, Nov 3 - Sun, Nov 8
Multiple Airlines Logo
4:27 pm - 3:00 pmSEA  Seattle/Tacoma Intl-YTZ Toronto Island
19h 33m2 stops Denver Intl Chicago O'Hare Intl
Multiple Airlines Logo
9:50 am - 6:45 pmYTZ  Toronto Island-SEA Seattle/Tacoma Intl
11h 55m1 stop Newark
$582Multiple Airlines
Fri, Nov 6 - Sat, Nov 14
Multiple Airlines Logo
9:18 pm - 9:39 amSEA  Seattle/Tacoma Intl-YTZ Toronto Island
9h 21m1 stop Newark
Multiple Airlines Logo
9:50 am - 6:45 pmYTZ  Toronto Island-SEA Seattle/Tacoma Intl
11h 55m1 stop Newark
$588Multiple Airlines
Wed, Nov 11 - Wed, Nov 18
Multiple Airlines Logo
2:30 pm - 6:28 pmSEA  Seattle/Tacoma Intl-YTZ Toronto Island
24h 58m3 stops Calgary Winnipeg Ottawa
Multiple Airlines Logo
12:15 pm - 1:40 pmYTZ  Toronto Island-SEA Seattle/Tacoma Intl
28h 25m3 stops Ottawa Winnipeg Calgary
$599Multiple Airlines
Tue, Nov 24 - Tue, Dec 1
Multiple Airlines Logo
4:27 pm - 12:50 pmSEA  Seattle/Tacoma Intl-YTZ Toronto Island
41h 23m2 stops Denver Intl Washington, D.C. Reagan-National
Multiple Airlines Logo
12:10 pm - 6:45 pmYTZ  Toronto Island-SEA Seattle/Tacoma Intl
9h 35m1 stop Newark
$601Multiple Airlines
Fri, Nov 6 - Sat, Nov 14
Multiple Airlines Logo
9:18 pm - 3:54 pmSEA  Seattle/Tacoma Intl-YTZ Toronto Island
15h 36m1 stop Newark
Multiple Airlines Logo
9:50 am - 6:45 pmYTZ  Toronto Island-SEA Seattle/Tacoma Intl
11h 55m1 stop Newark
$603Multiple Airlines
Tue, Nov 3 - Sat, Nov 7
Multiple Airlines Logo
9:18 pm - 9:39 amSEA  Seattle/Tacoma Intl-YTZ Toronto Island
9h 21m1 stop Newark
Multiple Airlines Logo
12:10 pm - 11:00 pmYTZ  Toronto Island-SEA Seattle/Tacoma Intl
13h 50m2 stops Newark Portland
$604Multiple Airlines
Wed, Nov 11 - Wed, Nov 18
Multiple Airlines Logo
9:18 pm - 9:39 amSEA  Seattle/Tacoma Intl-YTZ Toronto Island
9h 21m1 stop Newark
Multiple Airlines Logo
12:10 pm - 6:45 pmYTZ  Toronto Island-SEA Seattle/Tacoma Intl
9h 35m1 stop Newark
$605Multiple Airlines
Tue, Nov 3 - Wed, Nov 4
Multiple Airlines Logo
6:00 am - 8:19 pmSEA  Seattle/Tacoma Intl-YTZ Toronto Island
11h 19m1 stop Newark
Multiple Airlines Logo
9:50 am - 6:45 pmYTZ  Toronto Island-SEA Seattle/Tacoma Intl
11h 55m1 stop Newark
$607Multiple Airlines
Tue, Nov 3 - Sat, Nov 7

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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 27
SEA8:40 amSeattle/Tacoma Intl
20h 12m
2 stops
YTZ7:52 amToronto Island
Oct 31
YTZ8:30 amToronto Island
16h 27m
2 stops
SEA9:57 pmSeattle/Tacoma Intl
$964
Air Canada
Oct 16
SEA7:15 pmSeattle/Tacoma Intl
9h 30m
2 stops
YTZ7:45 amToronto Island
Nov 14
YTZ6:15 pmToronto Island
23h 22m
2 stops
SEA2:37 pmSeattle/Tacoma Intl
$1,020

United Airlines flights from Seattle to Toronto Island Airport

Our best United Airlines deals on Seattle to Toronto Island Airport flight tickets
United Airlines
Oct 27
SEA4:39 pmSeattle/Tacoma Intl
21h 03m
2 stops
YTZ4:42 pmToronto Island
Oct 31
YTZ12:05 pmToronto Island
25h 35m
2 stops
SEA10:40 amSeattle/Tacoma Intl
$997
United Airlines
Oct 27
SEA8:09 amSeattle/Tacoma Intl
7h 48m
1 stop
YTZ6:57 pmToronto Island
Oct 31
YTZ12:05 pmToronto Island
9h 58m
1 stop
SEA7:03 pmSeattle/Tacoma Intl
$1,001
United Airlines
Oct 27
SEA6:00 amSeattle/Tacoma Intl
31h 42m
2 stops
YTZ4:42 pmToronto Island
Oct 31
YTZ3:20 pmToronto Island
26h 34m
2 stops
SEA2:54 pmSeattle/Tacoma Intl
$1,033

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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Price

Cheapest round-trip

SeattleToronto

SEA Seattle/Tacoma Intl - YTZ Toronto Island

SEAYTZ

Seattle/Tacoma Intl

Tue 11/10

9:18 pm-11:19 am

1 stop11h 01m

Toronto Island

Sun 11/15

4:15 pm-3:12 pm

2 stops25h 57m

$566

SeattleToronto

SEA Seattle/Tacoma Intl - YTZ Toronto Island

SEAYTZ

Seattle/Tacoma Intl

Tue 11/3

9:18 pm-3:54 pm

1 stop15h 36m

Toronto Island

Sun 11/8

4:15 pm-3:12 pm

2 stops25h 57m

$567

SeattleToronto

SEA Seattle/Tacoma Intl - YTZ Toronto Island

SEAYTZ

Seattle/Tacoma Intl

Fri 11/6

4:27 pm-3:00 pm

2 stops19h 33m

Toronto Island

Sat 11/14

9:50 am-6:45 pm

1 stop11h 55m

$582

SeattleToronto

SEA Seattle/Tacoma Intl - YTZ Toronto Island

SEAYTZ

Seattle/Tacoma Intl

Wed 11/11

9:18 pm-9:39 am

1 stop9h 21m

Toronto Island

Wed 11/18

9:50 am-6:45 pm

1 stop11h 55m

$588

SeattleToronto

SEA Seattle/Tacoma Intl - YTZ Toronto Island

SEAYTZ

Seattle/Tacoma Intl

Tue 11/24

2:30 pm-6:28 pm

3 stops24h 58m

Toronto Island

Tue 12/1

12:15 pm-1:40 pm

3 stops28h 25m

$599

SeattleToronto

SEA Seattle/Tacoma Intl - YTZ Toronto Island

SEAYTZ

Seattle/Tacoma Intl

Fri 11/6

4:27 pm-12:50 pm

2 stops41h 23m

Toronto Island

Sat 11/14

12:10 pm-6:45 pm

1 stop9h 35m

$601

SeattleToronto

SEA Seattle/Tacoma Intl - YTZ Toronto Island

SEAYTZ

Seattle/Tacoma Intl

Tue 11/3

9:18 pm-3:54 pm

1 stop15h 36m

Toronto Island

Sat 11/7

9:50 am-6:45 pm

1 stop11h 55m

$603

SeattleToronto

SEA Seattle/Tacoma Intl - YTZ Toronto Island

SEAYTZ

Seattle/Tacoma Intl

Wed 11/11

9:18 pm-9:39 am

1 stop9h 21m

Toronto Island

Wed 11/18

12:10 pm-11:00 pm

2 stops13h 50m

$604
Quickest round-trip

SeattleToronto

SEA Seattle/Tacoma Intl - YTZ Toronto Island

SEAYTZ

Seattle/Tacoma Intl

Tue 11/3

9:18 pm-9:39 am

1 stop9h 21m

Toronto Island

Wed 11/4

12:10 pm-6:45 pm

1 stop9h 35m

$605

SeattleToronto

SEA Seattle/Tacoma Intl - YTZ Toronto Island

SEAYTZ

Seattle/Tacoma Intl

Tue 11/3

6:00 am-8:19 pm

1 stop11h 19m

Toronto Island

Sat 11/7

9:50 am-6:45 pm

1 stop11h 55m

$607

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

$239

Fastest flight time

7h 26m

Direct flights

None
The best one-way flight to Toronto Island Airport from Seattle in the past 72 hours is $239. The best round-trip flight deal from Seattle to Toronto Island Airport found on momondo in the last 72 hours is $566.
The fastest flight from Seattle to Toronto Island Airport takes 7h 26m
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 7h 26m.

  • 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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