Question 1

Which is the best airline for flights from Seattle to Toronto, Alaska Airlines or Delta?

Accepted Answer

The two airlines most popular with KAYAK users for flights from Seattle to Toronto are Alaska Airlines and Delta. With an average price for the route of $497 and an overall rating of 7.9, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $526 and an overall rating of 7.8.

Question 2

How long does a flight from Seattle to Toronto take?

Accepted Answer

Nonstop flights from Seattle generally make it to Toronto in 4h 34m. The flying distance between the two cities is 2,065 miles.

Question 3

How many flights are there between Seattle and Toronto per day?

Accepted Answer

Each day, there are 2 nonstop flights that take off from Seattle and land in Toronto, with an average flight time of 4h 42m. The most common departure time is 7:00 am and most flights take off in the morning. Each week, there are 14 flights and there are the same amount of flights each day (2).

Question 4

How many flights are there between Seattle and Toronto per day?

Accepted Answer

Each day, there are 2 nonstop flights that take off from Seattle and land in Toronto, with an average flight time of 4h 42m. The most common departure time is 7:00 am and most flights take off in the morning. Each week, there are 14 flights and there are the same amount of flights each day (2).

Question 5

What is the cheapest flight from Seattle to Toronto?

Accepted Answer

In the last 5 days, the lowest price for a flight from Seattle to Toronto was $186 for a one-way ticket and $375 for a round-trip.

Question 6

Do I need a passport to fly between Seattle and Toronto?

Accepted Answer

Yes

Question 7

What’s the cheapest day of the week to fly from Seattle to Toronto?

Accepted Answer

If your flying dates are flexible, you should consider flying to Toronto on a Tuesday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Seattle to Toronto. For your return ticket, we recommend flying on a Thursday and avoiding Mondays for the best deals.

Question 8

What’s the cheapest day of the week to fly from Seattle to Toronto?

Accepted Answer

If your flying dates are flexible, you should consider flying to Toronto on a Tuesday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Seattle to Toronto. For your return ticket, we recommend flying on a Thursday and avoiding Mondays for the best deals.

Question 9

Which airports will I be using when flying from Seattle to Toronto?

Accepted Answer

When flying out of Seattle you will be using Seattle/Tacoma Intl. You will be landing at one of these airports: Toronto Region of Waterloo Intl, Toronto Island, or Toronto Pearson Intl.

Question 10

What’s the earliest departure time from Seattle to Toronto?

Accepted Answer

Early birds can take the earliest flight from Seattle at 7:52 am and will be landing in Toronto at 3:45 pm.

Question 11

What’s the latest departure time from Seattle to Toronto?

Accepted Answer

If you prefer to fly at night, the latest flight from Seattle to Toronto jets off at 11:00 am and lands at 6:39 pm.

Question 12

Which airlines fly non-stop between Seattle and Toronto?

Accepted Answer

There are 3 airlines that fly nonstop from Seattle to Toronto. They are: Air Canada, Alaska Airlines and United Airlines. The cheapest price of all airlines flying this route was found with Air Canada at $132 for a round-trip flight. On average, the best prices for this route can be found at Air Canada.

Question 13

Which airlines fly non-stop between Seattle and Toronto?

Accepted Answer

There are 3 airlines that fly nonstop from Seattle to Toronto. They are: Air Canada, Alaska Airlines and United Airlines. The cheapest price of all airlines flying this route was found with Air Canada at $132 for a round-trip flight. On average, the best prices for this route can be found at Air Canada.

Question 14

Which airlines offer Wi-Fi service onboard planes from Seattle to Toronto?

Accepted Answer

All the following airlines offer inflight Wi-Fi service on the Seattle to Toronto flight route: Air Canada, Alaska Airlines, Air France, Lufthansa, United Airlines, and Virgin Atlantic.

Question 15

Which aircraft models fly most regularly from Seattle to Toronto?

Accepted Answer

The Airbus A220-300 is the aircraft model that flies most regularly on the Seattle to Toronto flight route.

Question 16

Which airline alliances offer flights from Seattle to Toronto?

Accepted Answer

SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between Seattle and Toronto, with SkyTeam being the most commonly used for this route.

Question 17

On which days can I fly direct from Seattle to Toronto?

Accepted Answer

There are nonstop flights from Seattle to Toronto on a daily basis.

Question 18

What is the cheapest month to fly from Seattle to Toronto?

Accepted Answer

The cheapest month for flights from Seattle to Toronto is January, where tickets cost $258 (return) on average. On the other hand, the most expensive months are July and August, where the average cost of round-trip tickets is $594 and $516 respectively.

Question 19

What is the cheapest month to fly from Seattle to Toronto?

Accepted Answer

The cheapest month for flights from Seattle to Toronto is January, where tickets cost $258 (return) on average. On the other hand, the most expensive months are July and August, where the average cost of round-trip tickets is $594 and $516 respectively.

Question 20

How does KAYAK find such low prices on flights from Seattle to Toronto?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Toronto.

Question 21

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Toronto?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Toronto from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

Question 22

What is the Hacker Fare option on flights from Seattle to Toronto?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Toronto with an airline and back to Seattle with another airline.

Question 23

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Toronto?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Toronto from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Question 24

What is the cheapest layover airport when flying from Seattle to Toronto?

Accepted Answer

Flights via Toronto (YYZ) offer the most affordable fares, with an average round-trip price of $272.

Question 25

What is the most popular layover airport when flying from Seattle to Toronto?

Accepted Answer

Calgary (YYC) is the top choice – 78% of KAYAK users who clicked on 1-stop flights from Seattle to Toronto picked an itinerary connecting there.

Question 26

Which layover airport has the quickest connection when flying from Seattle to Toronto?

Accepted Answer

If you prefer a quick connection, Detroit (DTW) often has the shortest layovers from Seattle to Toronto, with an average of 1h 05m.

Question 27

Which layover airport offers the shortest total travel time from Seattle to Toronto?

Accepted Answer

Consider flying via Detroit (DTW) for the shortest journey. The average one-way travel time for flights connecting there is 6h 59m.

Question 28

Which cabin class options are there for flights between Seattle and Toronto?

Accepted Answer

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 29

Which cabin class options are there for flights between Seattle and Toronto?

Accepted Answer

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 30

Which airlines provide the cheapest flights from Seattle to Toronto?

Accepted Answer

In the past 5 days, the cheapest round-trip tickets from Seattle to Toronto were found on WestJet ($375) and Air Canada ($417).

Question 31

Which airlines provide the cheapest flights from Seattle to Toronto?

Accepted Answer

In the past 5 days, the cheapest round-trip tickets from Seattle to Toronto were found on WestJet ($375) and Air Canada ($417).

Question 32

What is the cheapest Seattle to Toronto flight route?

Accepted Answer

The cheapest return flight from Seattle to Toronto costs $390 on the route between Seattle (SEA) and Toronto Pearson Intl Airport (YYZ). It is also the most popular route.

Question 33

What is the cheapest Seattle to Toronto flight route?

Accepted Answer

The cheapest return flight from Seattle to Toronto costs $390 on the route between Seattle (SEA) and Toronto Pearson Intl Airport (YYZ). It is also the most popular route.

Question 34

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

Accepted Answer

To get a below average price on the flight from Seattle to Toronto, you should book around 3 weeks before departure, which saves you about 55% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

Question 35

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

Accepted Answer

To get a below average price on the flight from Seattle to Toronto, you should book around 3 weeks before departure, which saves you about 55% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

Question 36

Can I save money by flying with a layover from Seattle to Toronto?

Accepted Answer

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $505 on average.

Question 37

Can I save money by flying with a layover from Seattle to Toronto?

Accepted Answer

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $505 on average.

Question 38

How much is a round-trip flight from Seattle to Toronto?

Accepted Answer

Flight prices are below average for this route right now.Flights to Toronto from Seattle usually cost between $401 and $715 in September.
The lowest price found in the past 5 days was $375 on WestJet (Sep 29-Oct 17).

Question 39

What are the most popular airlines flying to Toronto?

Accepted Answer

The most popular airline among KAYAK users flying to Toronto is Alaska Airlines, followed by WestJet and Air Canada.

Low season	February
High season	October
Cheapest flight	$186

SEA - YTO

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Everything you should know

Cheap Flights from Seattle to Toronto (SEA-YTO)

Recent round-trip flight deals from Seattle to Toronto

Recent one-way flight deals from Seattle to Toronto

Recent last minute flight deals from Seattle to Toronto

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KAYAK's insights & trends for Seattle to Toronto flights

How much is a round-trip flight from Seattle to Toronto?

What is the cheapest Seattle to Toronto flight route?

What’s the cheapest day of the week to fly from Seattle to Toronto?

What is the cheapest month to fly from Seattle to Toronto?

Can I save money by flying with a layover from Seattle to Toronto?

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

Which airlines provide the cheapest flights from Seattle to Toronto?

Which airlines fly non-stop between Seattle and Toronto?

What is the most popular layover airport when flying from Seattle to Toronto?

What is the cheapest layover airport when flying from Seattle to Toronto?

Which layover airport offers the shortest total travel time from Seattle to Toronto?

Which layover airport has the quickest connection when flying from Seattle to Toronto?

Which cabin class options are there for flights between Seattle and Toronto?

How many flights are there between Seattle and Toronto per day?

How long does a flight from Seattle to Toronto take?

What’s the earliest departure time from Seattle to Toronto?

What’s the latest departure time from Seattle to Toronto?

Expert advice for your flight from Seattle to Toronto

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