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$165+ Cheap flights from Portland, ME (PWM) to Toronto (YTO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YTO
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Portland to Toronto

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Toronto (YTO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 31, 2025.

Round-trip from

$426
(Delta)

One-way from

$165
(Delta)

Popular in

June

Cheapest in

March

Average price

$561
From Portland to Toronto (YTO)
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One-way flight from Portland to Toronto (YTO)
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Highest demand for flights based on searches. 12% potential increase in price ($73 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Portland to Toronto

Cheapest flights from Portland to Toronto
Explore the most affordable flight options available from Portland to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/307:00 amPWM - YYZ
1 stop9h 10mDelta
Sat 9/66:04 amYYZ - PWM
1 stop7h 52mDelta
Deal found 7/31$426
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/159:46 amPWM - YYZ
1 stop12h 54mMultiple Airlines
Mon 9/227:45 amYYZ - PWM
2 stops9h 40mMultiple Airlines
Deal found 7/31$463
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/127:05 amPWM - YYZ
1 stop11h 25mAmerican Airlines
Fri 9/197:15 pmYYZ - PWM
1 stop16h 11mAmerican Airlines
Deal found 7/30$481
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/35:45 amPWM - YYZ
1 stop10h 12mUnited Airlines
Mon 10/67:25 amYYZ - PWM
2 stops10h 58mUnited Airlines
Deal found 7/30$574
This WestJet deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1411:45 amPWM - YYZ
2 stops28h 07mWestJet
Sun 9/216:15 amYYZ - PWM
1 stop16h 48mWestJet
Deal found 7/31$886

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Toronto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Portland to Toronto that are best for you.

Fly from

Portland

Fly to

Toronto

Route

Depart

Return

Price

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Sat 8/30

7:00 am-4:10 pm

1 stop9h 10m

Toronto Pearson Intl

Sat 9/6

6:04 am-1:56 pm

1 stop7h 52m

$426

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Mon 9/15

9:46 am-10:40 pm

1 stop12h 54m

Toronto Pearson Intl

Mon 9/22

7:45 am-5:25 pm

2 stops9h 40m

$463

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Fri 9/12

7:05 am-6:30 pm

1 stop11h 25m

Toronto Pearson Intl

Fri 9/19

7:15 pm-11:26 am

1 stop16h 11m

$481

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Fri 10/3

5:45 am-3:57 pm

1 stop10h 12m

Toronto Pearson Intl

Mon 10/6

7:25 am-6:23 pm

2 stops10h 58m

$574

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Sun 9/14

11:45 am-3:52 pm

2 stops28h 07m

Toronto Pearson Intl

Sun 9/21

6:15 am-11:03 pm

1 stop16h 48m

$886

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Sat 9/13

2:41 pm-10:59 pm

1 stop8h 18m

$165

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Wed 9/24

4:41 pm-2:05 pm

2 stops21h 24m

$231

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Sat 8/23

6:00 am-10:14 pm

2 stops16h 14m

$251

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Sun 9/7

1:02 pm-11:03 pm

1 stop10h 01m

$271

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Mon 8/11

11:45 am-12:24 am

2 stops12h 39m

$547

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Portland to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from Portland, Maine to Toronto?

Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Toronto (average of $243). Flying from Portland, Maine to Toronto in August is currently the most expensive (average of $348). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Portland to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

One of the essential ways to save on airfare from Portland, Maine to Toronto is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 9% on airfare.

How much does it cost to fly round-trip from Portland, Maine to Toronto?

Reviews of airlines servicing Toronto

Get insights into the airlines that provide service to Toronto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Toronto. Reviews last updated July 31, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Portland to Toronto have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,978 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Portland to Toronto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Toronto?

    Portland (PWM) is the airport you will fly out of if you book a flight from Portland to Toronto. You should not have trouble finding flights to Toronto from Portland; the airport handles an average of 0 outbound flights to Toronto per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Portland airport to Toronto. It is only a 2.9 mi journey to Portland (PWM) from Portland’s city center.

  • What are the cheapest airlines flying from Portland, Maine to Toronto round-trip?

    Our cheapest airline available from Portland, Maine to Toronto is Delta. Our recent data shows that you can find tickets from as low as $426 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $481 and $574 round-trip. Delta is currently priced 15% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Portland, Maine to Toronto one-way?

    $165 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $251 and $271, respectively.

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

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

  • How can I find direct flights from Portland to Toronto?

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

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

    Yes. Cheapflights offers flight deals from Portland 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.

  • What is the cheapest month to book a flight from Portland, Maine to Toronto?

    Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Toronto (average of $243). Flying from Portland, Maine to Toronto in August is currently the most expensive (average of $348). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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.

Top airline flying from Portland to Toronto

Discover the top airline that operate flights from Portland to Toronto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$247Average$413FlexibilityNo cancel feeOn-time71%

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