What are the cheapest airlines to fly from Mesa to Toronto one-way?

To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $97. Air Transat flights start at $120 while deals on United Airlines start at $132 one-way.

Weekly flight availability from Mesa to Toronto

The most flights from MS9 to YTO are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

In terms of precipitation, rainfall in Toronto ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Toronto when rainfall is around 2.0 in.

If weather is an important factor for your trip to Toronto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

What are the most popular routes from Mesa to Toronto?

The most popular flight routes from Mesa to Toronto are Phoenix Sky Harbor Intl - Toronto Pearson Intl, Phoenix Sky Harbor Intl - Toronto Island and Phoenix Sky Harbor Intl - Hamilton.

What are the cheapest flights from Mesa to Toronto?

Looking at all options, your cheapest flight can be booked for $163. While the most popular route (Phoenix Sky Harbor Intl - Toronto Pearson Intl) can be booked for $289 on average, our data indicates $1,844 when flying from Mesa to Toronto.

What are the most reliable airlines from Mesa to Toronto?

No one likes to see their flight delayed. When booking a flight from Mesa to Toronto consider choosing Air Canada (80%), Air Canada Rouge (80%) or Lufthansa (80%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Mesa to Toronto?

When booking a flight from Mesa to Toronto, you may want to consider flying on Porter Airlines, Air Canada or Delta as they are the most popular for this route.

Can I find deals for flights from Mesa to Toronto that include hotel bookings?

Yes. In addition to deals on Mesa to Toronto flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Mesa to Toronto?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Mesa to Toronto.

Can I find deals for business class flights from Mesa to Toronto?

Yes. Cheapflights offers flight deals from Mesa to Toronto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Find Cheap Flights from Mesa to Toronto

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Cheapflights Tip: The best prices from Mesa to Toronto are usually found in March or June, booked 50 days in advance, depart on a Thursday or Tuesday and return on a Monday

Find flight deals from Mesa to Toronto

Popular in	January
Cheapest in	March
Average price	$477

Highest demand for flights based on searches. 16% potential increase in price ($93 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).

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Average for round-trip flights in September 2026

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Everything you need to know about your flight from Mesa to Toronto

Prices

Airlines

What is the cheapest time of day to fly from MS9 to YTO?

When flying from Mesa to Toronto, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 49% versus a flight in the morning.

Reviews of airlines servicing Toronto

Read through reviews of airlines operating flights from Mesa to Toronto, such as Porter Airlines,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Porter Airlines

8.0

Very good

464 reviews

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Porter Airlines

8.0

Very good

464 reviews

Porter Airlines

8.0

Very good

464 reviews

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Delta

7.8

Good

8,599 reviews

Porter Airlines

8.0

Very good

464 reviews

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

United Airlines

7.4

Good

10,237 reviews

Porter Airlines

8.0

Very good

464 reviews

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

WestJet

7.2

Good

3,448 reviews

Porter Airlines

8.0

Very good

464 reviews

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Air Canada

7.1

Good

11,682 reviews

Porter Airlines

8.0

Very good

464 reviews

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Related info for your journey

What are the cheapest airlines to fly from Mesa to Toronto one-way?
To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $97. Air Transat flights start at $120 while deals on United Airlines start at $132 one-way.
What are the most popular routes from Mesa to Toronto?
The most popular flight routes from Mesa to Toronto are Phoenix Sky Harbor Intl - Toronto Pearson Intl, Phoenix Sky Harbor Intl - Toronto Island and Phoenix Sky Harbor Intl - Hamilton.
What are the most reliable airlines from Mesa to Toronto?
No one likes to see their flight delayed. When booking a flight from Mesa to Toronto consider choosing Air Canada (80%), Air Canada Rouge (80%) or Lufthansa (80%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Mesa to Toronto?
Looking at all options, your cheapest flight can be booked for $163. While the most popular route (Phoenix Sky Harbor Intl - Toronto Pearson Intl) can be booked for $289 on average, our data indicates $1,844 when flying from Mesa to Toronto.
Can I find deals for flights from Mesa to Toronto that include hotel bookings?
Yes. In addition to deals on Mesa to Toronto flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Mesa to Toronto?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Mesa to Toronto.
Can I find deals for business class flights from Mesa to Toronto?
Yes. Cheapflights offers flight deals from Mesa to Toronto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top 8 airlines flying from Mesa to Toronto

Airline	Cheapest	Average	Flexibility	On-time
Porter Airlines	Cheapest$154	Average$385	FlexibilityNo cancel fee	On-time52%
United Airlines	Cheapest$156	Average$399	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$161	Average$305	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$186	Average$486	FlexibilityNo cancel fee	On-time67%
WestJet	Cheapest$193	Average$327	FlexibilityNo cancel fee	On-time60%
Air Transat	Cheapest$197	Average$400	FlexibilityNo cancel fee	On-time50%
Qatar Airways	Cheapest$276	Average$322	FlexibilityNo cancel fee	On-time68%
American Airlines	Cheapest$344	Average$535	FlexibilityNo cancel fee	On-time71%

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Cheap flights from Mesa, AZ to Toronto (YTO)

Find cheap flights from Mesa to Toronto with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Mesa to Toronto

Popular in

Cheapest in

Average price

Cheapflights Insights

What is the cheapest time of day to fly from MS9 to YTO?

When flying from Mesa to Toronto, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 49% versus a flight in the morning.

Weekly flight availability from Mesa to Toronto

The most flights from MS9 to YTO are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Toronto

Read through reviews of airlines operating flights from Mesa to Toronto, such as Porter Airlines,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What are the cheapest airlines to fly from Mesa to Toronto one-way?

What are the most popular routes from Mesa to Toronto?

What are the most reliable airlines from Mesa to Toronto?

What are the cheapest flights from Mesa to Toronto?

Can I find deals for flights from Mesa to Toronto that include hotel bookings?

How can I find direct flights from Mesa to Toronto?

Can I find deals for business class flights from Mesa to Toronto?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Mesa to Toronto

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Toronto by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Mesa to Toronto by cabin class

Find flights from Mesa to Toronto, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Mesa and Toronto flights

Browse other Mesa and Toronto flight options. Last updated on September 25, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Other flights to Toronto

Explore flights to Toronto departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 25, 2026.

Top 8 airlines flying from Mesa to Toronto

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