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?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 required for your trip to Toronto Island Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Toronto Island Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 184 Cheap Flights from Seattle to Toronto Island Airport (SEA-YTZ) in 2025

1 adult

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Find the cheapest flights from Seattle to Toronto (SEA-YTZ)

Round-trip

One-way

Last minute

Cheap round-trip flights

5:30 a.m. - 6:46 p.m.SEA-YTZ

10h 16m2 stops

4:10 p.m. - 10:26 p.m.YTZ-SEA

9h 16m2 stops

C$ 379Air Canada

Find Deal

Wed, 8 Oct - Wed, 15 Oct

7:15 a.m. - 7:49 p.m.SEA-YTZ

9h 34m1 stop

4:10 p.m. - 10:26 p.m.YTZ-SEA

9h 16m2 stops

C$ 388Air Canada

Find Deal

Wed, 8 Oct - Wed, 15 Oct

7:15 a.m. - 9:34 p.m.SEA-YTZ

11h 19m1 stop

12:25 p.m. - 7:31 p.m.YTZ-SEA

10h 06m1 stop

C$ 397Air Canada

Find Deal

Wed, 1 Oct - Thu, 2 Oct

5:30 a.m. - 6:46 p.m.SEA-YTZ

10h 16m2 stops

4:10 p.m. - 10:26 p.m.YTZ-SEA

9h 16m2 stops

C$ 431Air Canada

Find Deal

Wed, 8 Oct - Wed, 15 Oct

5:30 a.m. - 6:45 p.m.SEA-YTZ

10h 15m2 stops

12:25 p.m. - 7:31 p.m.YTZ-SEA

10h 06m1 stop

C$ 434Air Canada

Find Deal

Sat, 13 Sep - Wed, 24 Sep

7:15 a.m. - 7:49 p.m.SEA-YTZ

9h 34m1 stop

12:25 p.m. - 7:31 p.m.YTZ-SEA

10h 06m1 stop

C$ 441Air Canada

Find Deal

Mon, 15 Sep - Mon, 22 Sep

5:30 a.m. - 6:45 p.m.SEA-YTZ

10h 15m2 stops

12:25 p.m. - 7:31 p.m.YTZ-SEA

10h 06m1 stop

C$ 449Air Canada

Find Deal

Sat, 13 Sep - Thu, 25 Sep

5:55 p.m. - 12:17 p.m.SEA-YTZ

15h 22m1 stop

5:30 p.m. - 6:12 p.m.YTZ-SEA

27h 42m2 stops

C$ 459

Find Deal

Fri, 5 Sep - Wed, 17 Sep

5:30 a.m. - 8:41 p.m.SEA-YTZ

12h 11m2 stops

7:20 p.m. - 9:22 a.m.YTZ-SEA

17h 02m2 stops

C$ 467Air Canada

Find Deal

Sat, 13 Sep - Tue, 16 Sep

5:30 a.m. - 8:41 p.m.SEA-YTZ

12h 11m2 stops

3:35 p.m. - 12:59 p.m.YTZ-SEA

24h 24m3 stops

C$ 513

Find Deal

Wed, 8 Oct - Wed, 15 Oct

Air Canada flights from Seattle to Toronto Island Airport

Our best Air Canada deals on Seattle to Toronto Island Airport flight tickets

Air Canada

8 Oct

SEA5:30 a.m.Seattle/Tacoma Intl

10h 16m

2 stops

YTZ6:46 p.m.Toronto Island

15 Oct

YTZ4:10 p.m.Toronto Island

9h 16m

2 stops

SEA10:26 p.m.Seattle/Tacoma Intl

C$ 379

Find similar

Air Canada

8 Oct

SEA7:15 a.m.Seattle/Tacoma Intl

9h 34m

1 stop

YTZ7:49 p.m.Toronto Island

15 Oct

YTZ4:10 p.m.Toronto Island

9h 16m

2 stops

SEA10:26 p.m.Seattle/Tacoma Intl

C$ 388

Find similar

Air Canada

1 Oct

SEA7:15 a.m.Seattle/Tacoma Intl

11h 19m

1 stop

YTZ9:34 p.m.Toronto Island

2 Oct

YTZ12:25 p.m.Toronto Island

10h 06m

1 stop

SEA7:31 p.m.Seattle/Tacoma Intl

C$ 397

Find similar

momondo Fare Finder

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

Wed 8/10

5:30 a.m.-6:46 p.m.

2 stops10h 16m

Toronto Island

Wed 15/10

4:10 p.m.-10:26 p.m.

2 stops9h 16m

C$ 379

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Wed 8/10

7:15 a.m.-7:49 p.m.

1 stop9h 34m

Toronto Island

Wed 15/10

4:10 p.m.-10:26 p.m.

2 stops9h 16m

C$ 388

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Wed 1/10

7:15 a.m.-9:34 p.m.

1 stop11h 19m

Toronto Island

Thu 2/10

12:25 p.m.-7:31 p.m.

1 stop10h 06m

C$ 397

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Wed 8/10

5:30 a.m.-6:46 p.m.

2 stops10h 16m

Toronto Island

Wed 15/10

4:10 p.m.-10:26 p.m.

2 stops9h 16m

C$ 431

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Sat 13/9

5:30 a.m.-6:45 p.m.

2 stops10h 15m

Toronto Island

Wed 24/9

12:25 p.m.-7:31 p.m.

1 stop10h 06m

C$ 434

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Mon 15/9

7:15 a.m.-7:49 p.m.

1 stop9h 34m

Toronto Island

Mon 22/9

12:25 p.m.-7:31 p.m.

1 stop10h 06m

C$ 441

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Sat 13/9

5:30 a.m.-6:45 p.m.

2 stops10h 15m

Toronto Island

Thu 25/9

12:25 p.m.-7:31 p.m.

1 stop10h 06m

C$ 449

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Fri 5/9

5:55 p.m.-12:17 p.m.

1 stop15h 22m

Toronto Island

Wed 17/9

5:30 p.m.-6:12 p.m.

2 stops27h 42m

C$ 459

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Sat 13/9

5:30 a.m.-8:41 p.m.

2 stops12h 11m

Toronto Island

Tue 16/9

7:20 p.m.-9:22 a.m.

2 stops17h 02m

C$ 467

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Wed 8/10

5:30 a.m.-8:41 p.m.

2 stops12h 11m

Toronto Island

Wed 15/10

3:35 p.m.-12:59 p.m.

3 stops24h 24m

C$ 513

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Direct flights	None

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?
Toronto Island is 3323.2 km away from Seattle/Tacoma Intl. Flights usually cover this in 8h 20m, depending on flying conditions and air traffic around both airports.
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?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 required for your trip to Toronto Island Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Toronto Island Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Apsley

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 recognizable 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?

Flights from Seattle to Toronto with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Toronto from Seattle.

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

If you are not ready to book a flight from Seattle to Toronto now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Toronto and let you know when they change.

An easier way to manage your Toronto Island Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Seattle to Toronto from C$ 184

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 7/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Seattle to Toronto (SEA-YTZ)

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Air Canada flights from Seattle to Toronto Island Airport

Our best Air Canada deals on Seattle to Toronto Island Airport flight tickets

momondo Fare Finder

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

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

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

Direct flights

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

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

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

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

Travelling to a place near Toronto?

Why use momondo?

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

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

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

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

An easier way to manage your Toronto Island Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Toronto

Popular Cities in Canada

Popular flights according to clicks in the last 7 days on momondo