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

As of July 2025, 6 flights take off from Seattle and land in Toronto each day. The most common flight departure time for this route is 7:00AM, with 66% of daily flights taking off at noon.

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

As of July 2025, there are 48 flights per week flying from Seattle to Toronto. The most common day of the week flights depart is Sat, with 17% of flights taking off on this day.

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

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

What airlines fly to Toronto?

Alaska Airlines, Air Canada and WestJet are the top three most popular airlines that fly to Toronto from Seattle according to our data. Alaska Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Toronto. Keep in mind that there are 5 different airlines that fly to Toronto on a routine basis, so you have a few additional options to choose from.

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

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

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

The number of operators available for flights from Seattle/Tacoma Intl Airport to Toronto is 5 as of July 2025.

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

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.

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

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

$90 Cheap Flights from Seattle to Toronto in 2025

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Cheap round-trip flights

1:15 pm - 12:31 amSEA-YYZ

8h 16m1 stop

12:00 pm - 8:29 pmYYZ-SEA

11h 29m2 stops

$215WestJet

Find Deal

vie., sep. 5 - vie., sep. 19

1:50 pm - 12:22 amSEA-YYZ

7h 32m1 stop

12:00 pm - 7:14 pmYYZ-SEA

10h 14m2 stops

$218WestJet

Find Deal

jue., sep. 11 - mar., sep. 16

1:15 pm - 12:31 amSEA-YYZ

8h 16m1 stop

1:30 pm - 7:14 pmYYZ-SEA

8h 44m1 stop

$220WestJet

Find Deal

vie., sep. 12 - mar., sep. 23

1:50 pm - 12:22 amSEA-YYZ

7h 32m1 stop

8:00 am - 2:16 pmYYZ-SEA

9h 16m1 stop

$221

Find Deal

jue., sep. 4 - jue., sep. 11

2:05 pm - 12:22 amSEA-YYZ

7h 17m1 stop

6:30 am - 12:59 pmYYZ-SEA

9h 29m1 stop

$222WestJet

Find Deal

mar., oct. 14 - mar., oct. 21

2:05 pm - 12:24 amSEA-YYZ

7h 19m1 stop

8:00 am - 12:59 pmYYZ-SEA

7h 59m1 stop

$225WestJet

Find Deal

lun., ago. 25 - mié., sep. 3

5:30 am - 6:36 pmSEA-YTZ

10h 06m2 stops

12:25 pm - 7:31 pmYTZ-SEA

10h 06m1 stop

$230Air Canada

Find Deal

jue., sep. 4 - jue., sep. 11

7:20 am - 7:46 pmSEA-YTZ

9h 26m1 stop

3:25 pm - 8:45 pmYTZ-SEA

8h 20m1 stop

$256Air Canada

Find Deal

lun., ago. 11 - lun., ago. 18

5:30 am - 6:36 pmSEA-YTZ

10h 06m2 stops

4:20 pm - 10:16 pmYTZ-SEA

8h 56m2 stops

$258Air Canada

Find Deal

jue., sep. 4 - jue., sep. 11

8:15 am - 3:58 pmSEA-YYZ

4h 43mnonstop

7:30 pm - 9:56 pmYYZ-SEA

5h 26mnonstop

$271Air Canada

Find Deal

vie., nov. 7 - vie., nov. 14

WestJet flights from Seattle to Toronto

Our best WestJet deals on Seattle to Toronto flight tickets

WestJet

Sep 5

SEA1:15 pmSeattle/Tacoma Intl

8h 16m

1 stop

YYZ12:31 amToronto Pearson Intl

Sep 19

YYZ12:00 pmToronto Pearson Intl

11h 29m

2 stops

SEA8:29 pmSeattle/Tacoma Intl

$215

Find similar

WestJet

Sep 11

SEA1:50 pmSeattle/Tacoma Intl

7h 32m

1 stop

YYZ12:22 amToronto Pearson Intl

Sep 16

YYZ12:00 pmToronto Pearson Intl

10h 14m

2 stops

SEA7:14 pmSeattle/Tacoma Intl

$218

Find similar

WestJet

Sep 12

SEA1:15 pmSeattle/Tacoma Intl

8h 16m

1 stop

YYZ12:31 amToronto Pearson Intl

Sep 23

YYZ1:30 pmToronto Pearson Intl

8h 44m

1 stop

SEA7:14 pmSeattle/Tacoma Intl

$220

Find similar

Air Canada flights from Seattle to Toronto

Our best Air Canada deals on Seattle to Toronto flight tickets

Air Canada

Sep 4

SEA5:30 amSeattle/Tacoma Intl

10h 06m

2 stops

YTZ6:36 pmToronto Island

Sep 11

YTZ12:25 pmToronto Island

10h 06m

1 stop

SEA7:31 pmSeattle/Tacoma Intl

$230

Find similar

Air Canada

Aug 11

SEA7:20 amSeattle/Tacoma Intl

9h 26m

1 stop

YTZ7:46 pmToronto Island

Aug 18

YTZ3:25 pmToronto Island

8h 20m

1 stop

SEA8:45 pmSeattle/Tacoma Intl

$256

Find similar

Air Canada

Sep 4

SEA5:30 amSeattle/Tacoma Intl

10h 06m

2 stops

YTZ6:36 pmToronto Island

Sep 11

YTZ4:20 pmToronto Island

8h 56m

2 stops

SEA10:16 pmSeattle/Tacoma Intl

$258

Find similar

How to get the cheapest flight ticket from Seattle to Toronto

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

Other information

What is the cheapest month to fly to Toronto?

The month of January is, on average, the cheapest month to fly to Toronto from Seattle, with most prices found around $282. If you are unable to visit Toronto during the month of January, then departing from Seattle during the month February is also very affordable. Most momondo users find prices during this month for around $286.

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

On average, the least expensive day to fly to Toronto from Seattle is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $542. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Toronto is Sunday, with ticket prices averaging around $673.

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

In the afternoon is the cheapest time of day to fly from Seattle to Toronto when you can find flight prices for as low as $283. Flying to Toronto in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Toronto are more costly in the morning, with an average ticket price of $619. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

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

You are more likely to see cheaper flights to Toronto from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Toronto for around $423 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Toronto from Seattle for as low as $292 on momondo.

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

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Toronto 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 flights?

You could potentially save up to 41% on your flight if you consider stops on a Seattle to Toronto flight.

How have Seattle to Toronto flight prices changed over time?

As of July 2025, prices for Seattle to Toronto flights are approximately 41% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Toronto

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

Estimated round-trip price

Cheap Seattle to Toronto (SEA to YTO) flight deals and tips

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

Best Price Found	$90
Fastest flight time	4h 43m
Direct flights	Every day
Airports in Toronto	4 airports

The best one-way flight to Toronto from Seattle in the past 72 hours is $90. The best round-trip flight deal from Seattle to Toronto found on momondo in the last 72 hours is $215.

The fastest flight from Seattle to Toronto takes 4h 43m

Direct flights go from Seattle to Toronto every day.

There are 4 airports near Toronto: Toronto Region of Waterloo Intl (YKF), Toronto Pearson Intl (YYZ), Toronto Island (YTZ), Hamilton (YHM)

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How far is Seattle/Tacoma Intl to Toronto by plane?
Seattle/Tacoma Intl and Toronto are 2065.1 mi apart from one another. By plane, this route typically takes 4h 43m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Toronto?
Prices for flights from Seattle/Tacoma Intl Airport to Toronto are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Toronto?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Toronto is 5 as of July 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Toronto?
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.
What documentation or ID do you need to fly to Toronto?
The travel and health documents you'll need for your trip to Toronto 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. 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?
Based on momondo bookings for flights between Seattle and Toronto, the leading plane model is Boeing 737 MAX 8, making up 37.36% of the total bookings. Other popular models include Airbus A220-300 with 27.84%, Boeing 737-900 Passenger/BBJ3 (winglets) with 7.95%, and Airbus A320-100/200 with 4.40%.
What is the most popular airline from Seattle to Toronto?
momondo data reveals that the most frequently booked airline on the route from Seattle to Toronto is Alaska Airlines, representing 54% of all bookings. The subsequent popular airlines are Air Canada at 20%, WestJet at 13%, and United Airlines at 8%.

Best airlines flying from Seattle to Toronto

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

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $135	Free Cancellation	Rating 7.1 9,725 reviews	Search Air Canada flights
United Airlines	PriceFrom $158	Free Cancellation	Rating 7.4 8,858 reviews	Search United Airlines flights
Delta	PriceFrom $182	Free Cancellation	Rating 8.0 7,956 reviews	Search Delta flights
WestJet	PriceFrom $237	Free Cancellation	Rating 7.2 2,939 reviews	Search WestJet flights
Alaska Airlines	PriceFrom $281	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights

Alaska Airlines Flights From Seattle to Toronto
Alaska Airlines flight deals from Seattle to Toronto start from $281 round-trip. Over the 5 Alaska Airlines flights for this route in a normal week, average airfare is usually $488 round-trip - but some users have found much cheaper deals with momondo.
United Airlines Flights From Seattle to Toronto
United Airlines is also a popular choice for this route. United Airlines flight deals for Seattle to Toronto start from as low as $158 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $414. United Airlines operates 11 flights to Toronto from Seattle in an average week. Users have rated it 7.4/10 across 8,858 reviews.

Why use momondo?

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

It is quick and easy to find Seattle to Toronto flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Toronto that suits you.

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

momondo does allow users to show only those flights to Toronto from Seattle which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight 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?

Yes. momondo can track prices for Seattle to Toronto flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Toronto 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 $90

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 9/11. 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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Big names and deals

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Filter for what you want

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Find the cheapest flights from Seattle to Toronto

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

WestJet flights from Seattle to Toronto

Our best WestJet deals on Seattle to Toronto flight tickets

Air Canada flights from Seattle to Toronto

Our best Air Canada deals on Seattle to Toronto flight tickets

See travel insights to Toronto from

How to get the cheapest flight ticket from Seattle to Toronto

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 month to fly to Toronto?

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

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

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

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

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

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

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Toronto 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 flights?

You could potentially save up to 41% on your flight if you consider stops on a Seattle to Toronto flight.

How have Seattle to Toronto flight prices changed over time?

As of July 2025, prices for Seattle to Toronto flights are approximately 41% cheaper when compared to flights at the same time last year.

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

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

What airlines fly to Toronto?

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

As of July 2025, 6 flights take off from Seattle and land in Toronto each day. The most common flight departure time for this route is 7:00AM, with 66% of daily flights taking off at noon.

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

As of July 2025, there are 48 flights per week flying from Seattle to Toronto. The most common day of the week flights depart is Sat, with 17% of flights taking off on this day.

When to book flights from Seattle to Toronto

Cheap Seattle to Toronto (SEA to YTO) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Toronto

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

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

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

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

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

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

What is the most popular airline from Seattle to Toronto?

Best airlines flying from Seattle to Toronto

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

Alaska Airlines Flights From Seattle to Toronto

United Airlines Flights From Seattle to 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 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 Canada

Fly into one of these airports located in Toronto

Airports listed have a maximum distance of 52.0 mi from Toronto