HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Toronto

$116+ 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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YTO
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$287
(United Airlines)

One-way from

$116
(United Airlines)

Popular in

May

Cheapest in

September

Average price

$542
Provider with most accurate pricing for Portland-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Toronto (YTO) flights.
Search Deals
From Portland to Toronto (YTO)
Search Deals
One-way flight from Portland to Toronto (YTO)
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($124 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 24, 2025.

This United Airlines deal was found by Cheapflights users on 4/23. 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 5/304:04 pmPWM - YYZ
1 stop6h 19mUnited Airlines
Sun 6/112:45 pmYYZ - PWM
1 stop11h 12mUnited Airlines
Deal found 4/23$287
This Delta deal was found by Cheapflights users on 4/23. 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 5/206:35 amPWM - YYZ
1 stop4h 45mDelta
Tue 5/276:49 pmYYZ - PWM
1 stop4h 32mDelta
Deal found 4/23$317
This Air Canada deal was found by Cheapflights users on 4/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/304:04 pmPWM - YYZ
1 stop6h 19mAir Canada
Sun 6/18:10 amYYZ - PWM
2 stops15h 18mAir Canada
Deal found 4/23$381
This American Airlines deal was found by Cheapflights users on 4/24. 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.
Mon 5/125:50 amPWM - YYZ
1 stop6h 05mAmerican Airlines
Fri 5/165:29 pmYYZ - PWM
1 stop6h 26mAmerican Airlines
Deal found 4/24$384
This United deal was found by Cheapflights users on 4/23. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/216:00 amPWM - YYZ
1 stop7h 47mMultiple Airlines
Fri 7/259:10 pmYYZ - PWM
1 stop21h 03mMultiple Airlines
Deal found 4/23$519
This Justfly.com deal was found by Cheapflights users on 4/23. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/215:00 pmPWM - YYZ
1 stop5h 55mWestJet
Fri 7/256:00 amYYZ - PWM
1 stop10h 19mWestJet
Deal found 4/23$579

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 April 24, 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

Fri 5/30

4:04 pm-10:23 pm

1 stop6h 19m

Toronto Pearson Intl

Sun 6/1

12:45 pm-11:57 pm

1 stop11h 12m

$287

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Tue 5/20

6:35 am-11:20 am

1 stop4h 45m

Toronto Pearson Intl

Tue 5/27

6:49 pm-11:21 pm

1 stop4h 32m

$317

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Fri 5/30

4:04 pm-10:23 pm

1 stop6h 19m

Toronto Pearson Intl

Sun 6/1

8:10 am-11:28 pm

2 stops15h 18m

$381

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Mon 5/12

5:50 am-11:55 am

1 stop6h 05m

Toronto Pearson Intl

Fri 5/16

5:29 pm-11:55 pm

1 stop6h 26m

$384

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Mon 7/21

6:00 am-1:47 pm

1 stop7h 47m

Toronto Pearson Intl

Fri 7/25

9:10 pm-6:13 pm

1 stop21h 03m

$519

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Mon 7/21

5:00 pm-10:55 pm

1 stop5h 55m

Toronto Pearson Intl

Fri 7/25

6:00 am-4:19 pm

1 stop10h 19m

$579

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Sat 6/7

7:09 pm-10:04 am

1 stop14h 55m

$116

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Wed 5/7

6:00 am-2:33 pm

2 stops8h 33m

$121

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Tue 6/10

6:20 am-4:54 pm

2 stops10h 34m

$151

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Tue 8/12

1:53 pm-10:52 pm

1 stop8h 59m

$164

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 11 results
1
2

Compare providers for flights from Portland to Toronto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Toronto in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland, Maine-Toronto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Toronto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Toronto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-Toronto flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-Toronto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 July is currently the most expensive (average of $359). 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 April 24, 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.

Rainfall in Toronto by month

Plan your trip to Toronto by taking into account the average rainfall totals by month.

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.

Temperature in Toronto by month

Plan your trip to Toronto by taking into account the average temperature totals by month.

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).

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 April 24, 2025.
Read reviews from past customers who have flown Delta, United Airlines and American Airlines from Portland to Toronto. 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
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,816 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,192 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 United Airlines. Our recent data shows that you can find tickets from as low as $287 on this airline. Additional options worth looking into are Delta and Air Canada, starting at $317 and $381 round-trip. United Airlines is currently priced 31% below the average price you’ll pay for this route.

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

    $116 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on American Airlines and Air Canada, with prices starting from $121 and $151, 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 July is currently the most expensive (average of $359). 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$247Average$379FlexibilityNo cancel feeOn-time71%

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.