HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Toronto

$137+ 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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YTO
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Toronto with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 September 17, 2025.

Round-trip from

$313
(Kiwi.com)

One-way from

$137
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$557
From Portland to Toronto (YTO)
Search Deals
One-way flight from Portland to Toronto (YTO)
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

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 September 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Thu 10/305:40 pmPWM - YYZ
1 stop21h 14mMultiple Airlines
Thu 11/67:35 amYYZ - PWM
1 stop9h 25mMultiple Airlines
Deal found 9/15$313
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Wed 11/1911:16 amPWM - YYZ
1 stop12h 55mMultiple Airlines
Fri 11/2112:50 pmYYZ - PWM
1 stop21h 46mMultiple Airlines
Deal found 9/17$398
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 11/18:50 amPWM - YYZ
1 stop9h 45mAmerican Airlines
Sat 11/810:57 amYYZ - PWM
1 stop10h 50mAmerican Airlines
Deal found 9/15$411
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 10/281:05 pmPWM - YYZ
1 stop9h 57mAmerican Airlines
Sat 11/110:59 amYYZ - PWM
1 stop10h 22mAmerican Airlines
Deal found 9/15$415
This Delta deal was found by Cheapflights users on 9/15. 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.
Fri 10/176:50 amPWM - YYZ
1 stop10h 33mDelta
Thu 10/2312:10 pmYYZ - PWM
1 stop11h 55mDelta
Deal found 9/15$416
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/37:05 amPWM - YYZ
1 stop11h 25mAmerican Airlines
Tue 10/77:29 amYYZ - PWM
1 stop12h 45mAmerican Airlines
Deal found 9/15$427
This Delta deal was found by Cheapflights users on 9/15. 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.
Tue 10/72:38 pmPWM - YYZ
1 stop8h 27mDelta
Mon 10/136:00 amYYZ - PWM
1 stop18h 05mDelta
Deal found 9/15$451
This Delta deal was found by Cheapflights users on 9/15. 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.
Thu 11/132:30 pmPWM - YYZ
1 stop8h 20mDelta
Mon 11/1712:08 pmYYZ - PWM
2 stops11h 11mDelta
Deal found 9/15$463
This Delta deal was found by Cheapflights users on 9/15. 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.
Sun 10/126:50 amPWM - YYZ
1 stop16h 15mDelta
Sun 10/196:04 amYYZ - PWM
1 stop17h 05mDelta
Deal found 9/15$467

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 September 17, 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

Thu 1/29

12:01 pm-11:49 pm

1 stop11h 48m

Toronto Pearson Intl

Sun 2/1

8:00 pm-9:07 am

1 stop13h 07m

$336

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Wed 11/19

11:16 am-12:11 am

1 stop12h 55m

Toronto Pearson Intl

Fri 11/21

12:50 pm-10:36 am

1 stop21h 46m

$398

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Sat 11/1

8:50 am-6:35 pm

1 stop9h 45m

Toronto Pearson Intl

Sat 11/8

10:57 am-9:47 pm

1 stop10h 50m

$411

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Thu 11/13

2:30 pm-10:50 pm

1 stop8h 20m

Toronto Pearson Intl

Mon 11/17

2:10 pm-11:19 pm

1 stop9h 09m

$416

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Wed 10/8

5:42 am-1:40 pm

1 stop7h 58m

Toronto Pearson Intl

Wed 10/15

6:00 am-1:58 pm

1 stop7h 58m

$416

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Fri 10/17

6:50 am-5:23 pm

1 stop10h 33m

Toronto Pearson Intl

Thu 10/23

12:10 pm-12:05 am

1 stop11h 55m

$416

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Wed 10/8

5:42 am-1:40 pm

1 stop7h 58m

Toronto Pearson Intl

Tue 10/14

6:00 am-12:05 am

1 stop18h 05m

$416

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Thu 10/16

6:50 am-5:23 pm

1 stop10h 33m

Toronto Pearson Intl

Wed 10/22

2:30 pm-11:09 pm

1 stop8h 39m

$451

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Tue 10/7

2:38 pm-11:05 pm

1 stop8h 27m

Toronto Pearson Intl

Wed 10/15

6:00 am-1:58 pm

1 stop7h 58m

$451

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Tue 10/7

2:38 pm-11:05 pm

1 stop8h 27m

Toronto Pearson Intl

Tue 10/14

6:00 am-12:05 am

1 stop18h 05m

$451

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 15 results
1
2

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 September 17, 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 September 17, 2025.
See what other customers who have flown with 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.
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Crew

8.0

Food

6.4

Overall

7.2

Entertainment

6.9

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Crew

8.0

Food

6.4

Overall

7.2

Entertainment

6.9

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

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 0 airlines have flights from the Portland airport to Toronto. It is only a 2.9 mi journey to Portland (PWM) from Portland’s city center.

  • How long is the flight from Portland, Maine to Toronto?

    American Airlines and Delta can get you from Portland, Maine to Toronto in just under 8h 20m. Your travel time can differ by up to 1h 25m. The distance from Portland, Maine to Toronto is about 465 mi. This flight may include one or multiple stops.

  • 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.