Which layover airport offers the lowest fares from Seattle to Toronto Pearson Intl Airport?

Flights via Calgary (YYC) offer the lowest average round-trip price of $383.

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

WestJet and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Toronto Pearson Intl

Which layover airport has the shortest connection time from Seattle to Toronto Pearson Intl Airport?

Vancouver (YVR) has the shortest average layover time for this route: 1h 20m.

What airlines fly to Toronto Pearson Intl Airport?

Alaska Airlines, Air Canada and WestJet are the top three most popular airlines that fly to Toronto Pearson Intl Airport from Seattle according to our data. Alaska Airlines is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Toronto Pearson Intl Airport. Keep in mind that there are 5 different airlines that fly to Toronto Pearson Intl Airport on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from Seattle to Toronto Pearson Intl Airport?

Flights connecting via Vancouver (YVR) have the shortest average one-way travel time: 6h 58m.

Which airport is the most popular layover for flights between Seattle and Toronto Pearson Intl Airport?

Calgary (YYC) was the most common stop: 80% of momondo users choosing 1-stop flights on this route connected there.

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

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

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Toronto Pearson Intl Airport?

There are 5 operators available for flights from Seattle/Tacoma Intl Airport to Toronto Pearson Intl Airport as of December 2025.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Toronto Pearson Intl 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 Pearson Intl Airport.

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

The travel and health documents you'll need for your trip to Toronto Pearson Intl 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 Pearson Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$102 Cheap Flights from Seattle to Toronto Pearson Intl Airport in 2025/26

Q: How many flights depart from Seattle to Toronto Pearson Intl Airport on average per day?

As of December 2025, there are 5 flights per day flying from Seattle to Toronto Pearson Intl Airport. The most common time of day flights depart is 8:00AM, with 100% of flights taking off at noon.

Q: How many flights depart from Seattle to Toronto Pearson Intl Airport on average per week?

As of December 2025, there are 40 flights per week flying from Seattle to Toronto Pearson Intl Airport. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Seattle to Toronto

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:10 am - 3:53 pm

SEA

YYZ

4h 43mnonstop

7:50 pm - 10:16 pm

YYZ

SEA

5h 26mnonstop

$247Air Canada

Mon, Jan 12 - Fri, Jan 16

9:55 am - 10:41 pm

SEA

YYZ

9h 46m2 stops

10:35 pm - 9:15 am

YYZ

SEA

13h 40m1 stop

$248Air Canada

Mon, Jan 19 - Thu, Jan 22

5:50 am - 8:30 pm

SEA

YYZ

11h 40m2 stops

7:50 pm - 10:16 pm

YYZ

SEA

5h 26mnonstop

$250Air Canada

Fri, Jan 16 - Sat, Jan 17

8:00 pm - 5:59 am

SEA

YYZ

6h 59m1 stop

8:15 am - 2:31 pm

YYZ

SEA

9h 16m2 stops

$252Air Canada

Mon, Jan 12 - Sat, Jan 17

8:00 pm - 5:59 am

SEA

YYZ

6h 59m1 stop

7:50 pm - 10:16 pm

YYZ

SEA

5h 26mnonstop

$253Air Canada

Mon, Jan 12 - Sun, Jan 18

8:10 pm - 7:36 pm

SEA

YYZ

20h 26m2 stops

4:55 pm - 7:23 pm

YYZ

SEA

5h 28mnonstop

$254Multiple Airlines

Tue, Mar 31 - Thu, Apr 23

7:55 am - 3:35 pm

SEA

YYZ

4h 40mnonstop

4:45 pm - 7:17 pm

YYZ

SEA

5h 32mnonstop

$255Alaska Airlines

Tue, Jan 13 - Wed, Jan 21

3:10 pm - 6:13 am

SEA

YYZ

12h 03m1 stop

8:00 am - 1:08 pm

YYZ

SEA

8h 08m1 stop

$256WestJet

Thu, Apr 23 - Sun, Apr 26

3:40 pm - 5:38 am

SEA

YYZ

10h 58m2 stops

8:15 am - 2:31 pm

YYZ

SEA

9h 16m2 stops

$257Air Canada

Sun, Jan 11 - Sat, Jan 17

9:02 pm - 7:36 pm

SEA

YYZ

19h 34m2 stops

10:00 am - 8:10 pm

YYZ

SEA

13h 10m1 stop

$258Multiple Airlines

Mon, Jan 12 - Sun, Jan 25

Alaska Airlines flights from Seattle to Toronto Pearson Intl Airport

Our best Alaska Airlines deals on Seattle to Toronto Pearson Intl Airport flight tickets

Alaska Airlines

Jan 13

SEA7:55 amSeattle/Tacoma Intl

4h 40m

YYZ3:35 pmToronto Pearson Intl

Jan 21

YYZ4:45 pmToronto Pearson Intl

5h 32m

SEA7:17 pmSeattle/Tacoma Intl

$255

Find similar

Alaska Airlines

Jan 13

SEA7:55 amSeattle/Tacoma Intl

4h 40m

YYZ3:35 pmToronto Pearson Intl

Jan 16

YYZ4:45 pmToronto Pearson Intl

5h 32m

SEA7:17 pmSeattle/Tacoma Intl

$260

Find similar

Alaska Airlines

Apr 13

SEA7:55 amSeattle/Tacoma Intl

4h 40m

YYZ3:35 pmToronto Pearson Intl

May 6

YYZ4:45 pmToronto Pearson Intl

5h 20m

SEA7:05 pmSeattle/Tacoma Intl

$269

Find similar

WestJet flights from Seattle to Toronto Pearson Intl Airport

Our best WestJet deals on Seattle to Toronto Pearson Intl Airport flight tickets

WestJet

Apr 23

SEA3:10 pmSeattle/Tacoma Intl

12h 03m

1 stop

YYZ6:13 amToronto Pearson Intl

Apr 26

YYZ6:30 amToronto Pearson Intl

9h 38m

1 stop

SEA1:08 pmSeattle/Tacoma Intl

$256

Find similar

WestJet

Jan 22

SEA3:10 pmSeattle/Tacoma Intl

12h 48m

2 stops

YYZ6:58 amToronto Pearson Intl

Jan 25

YYZ10:15 pmToronto Pearson Intl

15h 07m

2 stops

SEA10:22 amSeattle/Tacoma Intl

$267

Find similar

WestJet

May 13

SEA7:05 amSeattle/Tacoma Intl

10h 55m

2 stops

YYZ9:00 pmToronto Pearson Intl

May 19

YYZ7:00 pmToronto Pearson Intl

21h 08m

2 stops

SEA1:08 pmSeattle/Tacoma Intl

$274

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Mon 1/12

8:10 am-3:53 pm

Nonstop4h 43m

Toronto Pearson Intl

Fri 1/16

7:50 pm-10:16 pm

Nonstop5h 26m

$247

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Mon 1/19

9:55 am-10:41 pm

2 stops9h 46m

Toronto Pearson Intl

Thu 1/22

10:35 pm-9:15 am

1 stop13h 40m

$248

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Fri 1/16

5:50 am-8:30 pm

2 stops11h 40m

Toronto Pearson Intl

Sat 1/17

7:50 pm-10:16 pm

Nonstop5h 26m

$250

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Mon 1/12

8:00 pm-5:59 am

1 stop6h 59m

Toronto Pearson Intl

Sat 1/17

8:15 am-2:31 pm

2 stops9h 16m

$252

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Mon 1/12

8:00 pm-5:59 am

1 stop6h 59m

Toronto Pearson Intl

Sun 1/18

7:50 pm-10:16 pm

Nonstop5h 26m

$253

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Tue 3/31

8:10 pm-7:36 pm

2 stops20h 26m

Toronto Pearson Intl

Thu 4/23

4:55 pm-7:23 pm

Nonstop5h 28m

$254

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Tue 1/13

7:55 am-3:35 pm

Nonstop4h 40m

Toronto Pearson Intl

Wed 1/21

4:45 pm-7:17 pm

Nonstop5h 32m

$255

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Thu 4/23

3:10 pm-6:13 am

1 stop12h 03m

Toronto Pearson Intl

Sun 4/26

8:00 am-1:08 pm

1 stop8h 08m

$256

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Sun 1/11

3:40 pm-5:38 am

2 stops10h 58m

Toronto Pearson Intl

Sat 1/17

8:15 am-2:31 pm

2 stops9h 16m

$257

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Mon 1/12

9:02 pm-7:36 pm

2 stops19h 34m

Toronto Pearson Intl

Sun 1/25

10:00 am-8:10 pm

1 stop13h 10m

$258

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 Pearson Intl 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

Prices

Airlines

Layovers

Other information

What is the cheapest month to fly to Toronto Pearson Intl Airport?

The cheapest month to fly to Toronto Pearson Intl Airport from Seattle is in January. Flight prices, which tend to average around $274, are often lower during this time because this is during the off-season. If you don’t want to visit Toronto Pearson Intl Airport in January, then you should wait until March to fly from Seattle, when ticket prices are also cheap, with an average price of $322.

What is the cheapest day to depart on your flight to Toronto Pearson Intl Airport?

The cheapest day to depart from Seattle to Toronto Pearson Intl Airport is on a Tuesday when prices can be found for as low as $531. The most expensive day to fly to Toronto Pearson Intl Airport is Saturday, with ticket prices averaging around $714.

What is the cheapest time of day to depart on your flight to Toronto Pearson Intl Airport?

Flying to Toronto Pearson Intl Airport from Seattle in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $284 when looking at flights departing in the afternoon. Flights in the morning are often more expensive with an average ticket price of $611.

What is the cheapest Seattle/Tacoma Intl to Toronto Pearson Intl flight route?

Fly from Seattle/Tacoma Intl to Toronto Pearson Intl for the best Seattle/Tacoma Intl - Toronto Pearson Intl flight prices

How far in advance should I book a flight to Toronto Pearson Intl Airport?

You are more likely to see cheaper flights to Toronto Pearson Intl Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Toronto Pearson Intl Airport for around $408 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Toronto Pearson Intl Airport from Seattle for as low as $292 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Toronto Pearson Intl flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Toronto Pearson Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

No. A direct flight is the cheapest option for a flight between Seattle to Toronto Pearson Intl Airport.

How have Seattle to Toronto Pearson Intl Airport flight prices changed over time?

As of December 2025, prices for Seattle to Toronto Pearson Intl Airport flights are approximately 42% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Toronto Pearson Intl Airport

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

Estimated round-trip price

Cheap Seattle to Toronto Pearson Intl Airport (SEA to YYZ) flight deals and tips

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

Best Price Found	$128
Fastest flight time	4h 35m
Direct flights	Every day

The best one-way flight to Toronto Pearson Intl Airport from Seattle in the past 72 hours is $128. The best round-trip flight deal from Seattle to Toronto Pearson Intl Airport found on momondo in the last 72 hours is $323.

The fastest flight from Seattle to Toronto Pearson Intl Airport takes 4h 35m

Direct flights go from Seattle to Toronto Pearson Intl Airport every day.

Search flight deals

How far is Seattle/Tacoma Intl to Toronto Pearson Intl by plane?
Seattle/Tacoma Intl and Toronto Pearson Intl are 2053.4 mi apart from one another. Flights usually cover this in 4h 35m, 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 Pearson Intl Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Toronto Pearson Intl Airport are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Toronto Pearson Intl Airport?
There are 5 operators available for flights from Seattle/Tacoma Intl Airport to Toronto Pearson Intl Airport as of December 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Toronto Pearson Intl 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 Pearson Intl Airport.
What documentation or ID do you need to fly to Toronto Pearson Intl Airport?
The travel and health documents you'll need for your trip to Toronto Pearson Intl 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 Pearson Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Toronto Pearson Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from Seattle to Toronto Pearson Intl Airport is Airbus A220-300, representing 64.27% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 6.60%, Boeing 737 MAX 8 at 4.08%, and Airbus A330-200 at 3.30%.
What is the most popular airline from Seattle to Toronto Pearson Intl Airport?
Based on momondo bookings for flights between Seattle and Toronto Pearson Intl Airport, the leading airline is Alaska Airlines, making up 56% of the total bookings. Other popular airlines include Air Canada with 17%, WestJet with 12%, and Delta with 8%.

Best airlines flying from Seattle to Toronto Pearson Intl Airport

Compare and see reviews for airlines that fly from Seattle to Toronto Pearson Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $151	Free Cancellation	Rating 7.1 10,551 reviews	Search Air Canada flights
United Airlines	PriceFrom $173	Free Cancellation	Rating 7.4 9,109 reviews	Search United Airlines flights
Delta	PriceFrom $182	Free Cancellation	Rating 7.9 8,015 reviews	Search Delta flights
WestJet	PriceFrom $226	Free Cancellation	Rating 7.2 3,216 reviews	Search WestJet flights
Alaska Airlines	PriceFrom $253	Free Cancellation	Rating 8.0 11,517 reviews	Search Alaska Airlines flights

Alaska Airlines Flights From Seattle to Toronto Pearson Intl Airport
Alaska Airlines operates around 4 flights from Seattle to Toronto Pearson Intl Airport every week. The average price of these flights found in the last 72 hours has been $451, but momondo users have found Alaska Airlines deals from Seattle to Toronto Pearson Intl Airport from as low as $253 round-trip. Alaska Airlines has been scored 8.0/10 in 11,513 reviews.
United Airlines Flights From Seattle to Toronto Pearson Intl Airport
The best United Airlines deal for Seattle to Toronto Pearson Intl Airport flight tickets found on momondo in the last 72 hours was $173, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at $380 round-trip. United Airlines operates 7 flights out of Seattle into Toronto Pearson Intl Airport in an average week, so prices vary by time and availability. 9,106 United Airlines reviews by users on momondo have scored the airline at 7.4/10.

Niagara Falls

Mississauga

Niagara-on-the-Lake

Brampton

Markham

Vaughan

Richmond Hill

Oakville

Kitchener

Barrie

Cambridge

Guelph

Burlington

Peterborough

Whitby

Collingwood

Milton

Orillia

Stratford

St. Catharines

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Toronto. momondo saves you time and could save you money on your trip.

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?

Once all potential Seattle to Toronto flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Seattle to Toronto flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Toronto Pearson Intl 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Thu 1/22

Thu 1/29

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Toronto

Popular cities in Canada

Flights to Montreal Pierre Elliott Trudeau Intl Airportfrom $158

Flights to Toronto Island Airportfrom $134

Flights to Vancouver Intl Airport

Flights to Toronto Region of Waterloo Intl Airportfrom $186

Cheap flights from Seattle to Toronto from $101

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 2/3. 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 and deals

Big names and 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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Alaska Airlines flights from Seattle to Toronto Pearson Intl Airport

Our best Alaska Airlines deals on Seattle to Toronto Pearson Intl Airport flight tickets

WestJet flights from Seattle to Toronto Pearson Intl Airport

Our best WestJet deals on Seattle to Toronto Pearson Intl Airport flight tickets

momondo Fare Finder

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

See travel insights to Toronto from

How to get the cheapest flight ticket from Seattle to Toronto Pearson Intl Airport

What is the cheapest month to fly to Toronto Pearson Intl Airport?

What is the cheapest day to depart on your flight to Toronto Pearson Intl Airport?

The cheapest day to depart from Seattle to Toronto Pearson Intl Airport is on a Tuesday when prices can be found for as low as $531. The most expensive day to fly to Toronto Pearson Intl Airport is Saturday, with ticket prices averaging around $714.

What is the cheapest time of day to depart on your flight to Toronto Pearson Intl Airport?

Flying to Toronto Pearson Intl Airport from Seattle in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $284 when looking at flights departing in the afternoon. Flights in the morning are often more expensive with an average ticket price of $611.

What is the cheapest Seattle/Tacoma Intl to Toronto Pearson Intl flight route?

Fly from Seattle/Tacoma Intl to Toronto Pearson Intl for the best Seattle/Tacoma Intl - Toronto Pearson Intl flight prices

How far in advance should I book a flight to Toronto Pearson Intl Airport?

What cabin class options are available on Seattle/Tacoma Intl to Toronto Pearson Intl flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Toronto Pearson Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

No. A direct flight is the cheapest option for a flight between Seattle to Toronto Pearson Intl Airport.

How have Seattle to Toronto Pearson Intl Airport flight prices changed over time?

As of December 2025, prices for Seattle to Toronto Pearson Intl Airport flights are approximately 42% cheaper when compared to flights at the same time last year.

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

WestJet and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Toronto Pearson Intl

What airlines fly to Toronto Pearson Intl Airport?

Which airport is the most popular layover for flights between Seattle and Toronto Pearson Intl Airport?

Calgary (YYC) was the most common stop: 80% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Seattle to Toronto Pearson Intl Airport?

Flights via Calgary (YYC) offer the lowest average round-trip price of $383.

Which layover airport has the shortest travel time from Seattle to Toronto Pearson Intl Airport?

Flights connecting via Vancouver (YVR) have the shortest average one-way travel time: 6h 58m.

Which layover airport has the shortest connection time from Seattle to Toronto Pearson Intl Airport?

Vancouver (YVR) has the shortest average layover time for this route: 1h 20m.

How many flights depart from Seattle to Toronto Pearson Intl Airport on average per day?

As of December 2025, there are 5 flights per day flying from Seattle to Toronto Pearson Intl Airport. The most common time of day flights depart is 8:00AM, with 100% of flights taking off at noon.

How many flights depart from Seattle to Toronto Pearson Intl Airport on average per week?

As of December 2025, there are 40 flights per week flying from Seattle to Toronto Pearson Intl Airport. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

When to book flights from Seattle to Toronto Pearson Intl Airport

Cheap Seattle to Toronto Pearson Intl Airport (SEA to YYZ) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

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

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

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Toronto Pearson Intl Airport?

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

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

What is the most popular plane model from Seattle to Toronto Pearson Intl Airport?

What is the most popular airline from Seattle to Toronto Pearson Intl Airport?

Best airlines flying from Seattle to Toronto Pearson Intl Airport

Compare and see reviews for airlines that fly from Seattle to Toronto Pearson Intl Airport with momondo

Alaska Airlines Flights From Seattle to Toronto Pearson Intl Airport

United Airlines Flights From Seattle to Toronto Pearson Intl Airport

Traveling 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 Pearson Intl 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