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Portland

$171+ Cheap flights from Ontario to Portland, ME (PWM)

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — PWM
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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Cheap flight deals from Ontario to Portland

Keep the following information in mind while searching for Ontario to Portland flight deals. Data was last updated febrero 20, 2025.

Round-trip from

$287
(United Airlines)

One-way from

$171
(Delta)

Popular in

February

Cheapest in

September

Average price

$576
From Ontario to Portland
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One-way flight from Ontario to Portland
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Ontario to Portland

Cheapest flights from Ontario to Portland
Explore the most affordable flight options available from Ontario to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/20. 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.
vie. 3/289:00 amYYZ - PWM
1 stop12h 22mUnited Airlines
lun. 3/316:00 amPWM - YYZ
1 stop5h 44mUnited Airlines
Deal found 2/20$287
This American Airlines deal was found by Cheapflights users on 2/20. 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.
sáb. 3/2210:55 amYYZ - PWM
1 stop5h 45mAmerican Airlines
sáb. 3/295:25 amPWM - YYZ
1 stop6h 26mAmerican Airlines
Deal found 2/20$296
This Air Canada deal was found by Cheapflights users on 2/20. 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.
sáb. 3/2212:20 pmYYZ - PWM
2 stops10h 55mAir Canada
sáb. 3/296:10 amPWM - YYZ
2 stops14h 40mAir Canada
Deal found 2/20$348
This WestJet deal was found by Cheapflights users on 2/20. 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.
dom. 4/610:20 amYYZ - PWM
1 stop25h 49mWestJet
dom. 4/137:00 amPWM - YYZ
1 stop25h 55mWestJet
Deal found 2/20$380
This Delta deal was found by Cheapflights users on 2/19. 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.
sáb. 3/16:05 pmYYZ - PWM
1 stop6h 21mDelta
lun. 3/35:25 pmPWM - YYZ
1 stop6h 14mDelta
Deal found 2/19$409
This Delta deal was found by Cheapflights users on 2/20. 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.
vie. 3/286:00 amYUL - PWM
1 stop9h 49mDelta
lun. 3/316:15 amPWM - YUL
1 stop10h 13mDelta
Deal found 2/20$459
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/26:30 amYYZ - PWM
2 stops30h 31mMultiple Airlines
mié. 6/46:18 pmPWM - YYZ
2 stops28h 26mMultiple Airlines
Deal found 2/19$462
This Air Canada deal was found by Cheapflights users on 2/20. 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.
sáb. 3/2211:08 amYUL - PWM
1 stop12h 07mMultiple Airlines
sáb. 3/296:10 amPWM - YUL
1 stop9h 48mMultiple Airlines
Deal found 2/20$510
This American Airlines deal was found by Cheapflights users on 2/20. 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.
sáb. 3/2210:54 amYUL - PWM
2 stops11h 05mAmerican Airlines
sáb. 3/295:25 amPWM - YUL
2 stops17h 20mAmerican Airlines
Deal found 2/20$546
This CheapTicketsDeal deal was found by Cheapflights users on 2/20. 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 CheapTicketsDeal is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/285:23 pmYUL - PWM
1 stop25h 47mWestJet
lun. 3/316:15 amPWM - YUL
2 stops18h 24mWestJet
Deal found 2/20$597
This United Airlines deal was found by Cheapflights users on 2/20. 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.
lun. 3/34:10 pmYUL - PWM
1 stop7h 05mUnited Airlines
sáb. 3/83:55 pmPWM - YUL
1 stop5h 47mUnited Airlines
Deal found 2/20$776

Find flights from Ontario to Portland within your budget

Customize your flight search to find flights from Ontario to Portland 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 febrero 20, 2025.

Fly from

Ontario

Fly to

Portland

Route

Depart

Return

Price

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

vie. 3/28

9:00 am-9:22 pm

1 stop12h 22m

Portland

lun. 3/31

6:00 am-11:44 am

1 stop5h 44m

$287

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

sáb. 3/22

10:55 am-4:40 pm

1 stop5h 45m

Portland

sáb. 3/29

5:25 am-11:51 am

1 stop6h 26m

$296

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

sáb. 3/22

12:20 pm-11:15 pm

2 stops10h 55m

Portland

sáb. 3/29

6:10 am-8:50 pm

2 stops14h 40m

$348

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

dom. 4/6

10:20 am-12:09 pm

1 stop25h 49m

Portland

dom. 4/13

7:00 am-8:55 am

1 stop25h 55m

$380

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

lun. 6/2

7:45 am-5:36 pm

2 stops9h 51m

Portland

mié. 6/4

12:53 pm-11:47 pm

1 stop10h 54m

$426

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

vie. 3/28

6:00 am-3:49 pm

1 stop9h 49m

Portland

lun. 3/31

6:15 am-4:28 pm

1 stop10h 13m

$459

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

sáb. 3/22

11:08 am-11:15 pm

1 stop12h 07m

Portland

sáb. 3/29

6:10 am-3:58 pm

1 stop9h 48m

$510

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

sáb. 3/22

10:54 am-9:59 pm

2 stops11h 05m

Portland

sáb. 3/29

5:25 am-10:45 pm

2 stops17h 20m

$546

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

vie. 3/28

5:23 pm-7:10 pm

1 stop25h 47m

Portland

lun. 3/31

6:15 am-12:39 am

2 stops18h 24m

$597

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

lun. 3/3

4:10 pm-11:15 pm

1 stop7h 05m

Portland

sáb. 3/8

3:55 pm-9:42 pm

1 stop5h 47m

$776

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 16 results
1
2

Best time to book a flight from Ontario to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Ontario 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.

Travel insights for flights from Ontario to Portland

Get recent, data-driven insights about flights from Ontario to Portland including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Region of Ontario to Portland, Maine?

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Portland, Maine (average of $296). Flying from Region of Ontario to Portland, Maine in April is currently the most expensive (average of $498). 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 ON to PWM?

Find hourly flight availability from Ontario to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated febrero 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Portland, Maine as you normally would.

Rainfall in Portland by month

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

In terms of precipitation, rainfall in Portland, Maine ranges from 2.9 - 4.5 inches per month. November is typically the wettest month, when rainfall can reach 4.5 in. August is typically the driest time to visit Portland, Maine when rainfall is around 2.9 in.

Temperature in Portland by month

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

If weather is an important factor for your trip to Portland, Maine, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated febrero 20, 2025.
To help decide which airline to fly from Ontario to Portland, see what other customers have to say about Delta, United Airlines and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,765 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

WestJet
7.2
Good
2,801 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Canada
7.0
Good
8,748 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Ontario to Portland. 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 into for flights to Portland from Ontario?

    Portland (PWM) is the airport you will fly into if you book a flight from Ontario to Portland. It is only a 2.9 mi journey from Portland (PWM) to Portland’s city center.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $171. Users have also found prices from $295 and $298 on American Airlines and United Airlines, respectively.

  • What are the most popular routes from Region of Ontario to Portland, Maine?

    The most popular flight routes from Region of Ontario to Portland, Maine are Toronto Pearson Intl - Portland, Montreal Pierre Elliott Trudeau Intl - Portland and Ottawa - Portland.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Portland 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 Region of Ontario to Portland, Maine?

    Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Portland, Maine (average of $296). Flying from Region of Ontario to Portland, Maine in April is currently the most expensive (average of $498). 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
North Conway
Bath
Brunswick
Auburn
Conway
Lewiston

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Alternative routes for Ontario to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Boston flights
Toronto Island to Boston flights
Pierre Elliott Trudeau Intl to Boston flights
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Ottawa to Portland flights
Kamloops to Boston flights
Halifax to Portland flights
Québec City to Bangor flights
Pierre Elliott Trudeau Intl to Bangor flights
London to Boston flights
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Timmins to Boston flights
Thunder Bay to Boston flights
Calgary to Portland flights

Top airline flying from Ontario to Portland

Discover the top airline that operate flights from Ontario to Portland. 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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$243Average$482FlexibilityNo cancel feeOn-time71%
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