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Cheap flights from Ontario to Portland, ME from C$ 220

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 20/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — PWM
27 Dec — 3 Jan1
1 adult

Cheap flight deals from Ontario to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (CAON) to Portland (PWM). 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 22 December 2024.

Round-trip from

C$ 358

One-way from

C$ 220
United Airlines
  • United Airlines
  • 14/1-14/1
  • 2 total stops
  • 11h 26m total
  • Ontario to Portland
American Airlines
  • American Airlines
  • 20/1
  • 1 total stop
  • 14h 59m total
  • Ontario to Portland

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 22 December 2024.

Tue 24/127:15 a.m.YYZ - PWM
1 stop9h 53mMultiple Airlines
Tue 31/128:01 p.m.PWM - YYZ
1 stop15h 44mMultiple Airlines
Deal found 22/12C$ 602
Wed 25/127:35 a.m.YYZ - PWM
1 stop4h 50mAmerican Airlines
Tue 31/126:00 a.m.PWM - YYZ
1 stop11h 29mAmerican Airlines
Deal found 22/12C$ 688
Tue 24/121:00 p.m.YYZ - PWM
1 stop23h 17mWestJet
Fri 27/125:05 a.m.PWM - YYZ
1 stop17h 36mWestJet
Deal found 21/12C$ 822
Tue 24/1212:20 p.m.YYZ - PWM
2 stops11h 00mUnited Airlines
Tue 31/127:30 a.m.PWM - YYZ
1 stop9h 16mUnited Airlines
Deal found 22/12C$ 825

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 629,999 searches. Data last updated 22 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

Tue 14/1

8:00 a.m.-2:42 p.m.

1 stop6h 42m

Portland

Tue 14/1

6:05 p.m.-10:49 p.m.

1 stop4h 44m

C$ 358

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

Wed 5/2

6:00 a.m.-2:22 p.m.

1 stop8h 22m

Portland

Wed 12/2

3:04 p.m.-10:52 p.m.

1 stop7h 48m

C$ 374

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

Wed 5/2

12:20 p.m.-10:30 p.m.

2 stops10h 10m

Portland

Wed 12/2

6:00 a.m.-12:37 p.m.

1 stop6h 37m

C$ 392

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

Tue 14/1

7:35 a.m.-12:10 p.m.

1 stop4h 35m

Portland

Tue 14/1

2:24 p.m.-9:32 p.m.

2 stops7h 08m

C$ 547

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

Thu 1/5

7:50 p.m.-11:14 p.m.

1 stop27h 24m

Portland

Thu 8/5

5:00 a.m.-7:09 p.m.

1 stop14h 09m

C$ 599

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Tue 4/2

6:45 a.m.-11:10 p.m.

2 stops16h 25m

Portland

Tue 11/2

6:00 a.m.-12:39 a.m.

2 stops18h 39m

C$ 628

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Tue 4/2

10:54 a.m.-11:57 p.m.

2 stops13h 03m

Portland

Tue 11/2

4:50 p.m.-10:10 a.m.

2 stops17h 20m

C$ 657

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Tue 4/2

11:08 a.m.-4:52 p.m.

1 stop5h 44m

Portland

Tue 11/2

6:05 p.m.-8:32 a.m.

1 stop14h 27m

C$ 717

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Tue 4/2

6:00 a.m.-11:19 a.m.

1 stop5h 19m

Portland

Tue 11/2

12:01 p.m.-9:03 p.m.

1 stop9h 02m

C$ 723

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Tue 4/2

6:45 a.m.-11:20 a.m.

3 stops28h 35m

Portland

Tue 11/2

12:01 p.m.-12:39 a.m.

2 stops12h 38m

C$ 733

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/12

Showing 1-10 of 16 results
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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 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 22 December 2024.

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 73.0 - 115.0 mm per month. November is typically the wettest month, when rainfall can reach 115.0 mm. August is typically the driest time to visit Portland, Maine when rainfall is around 73.0 mm.

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 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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 22 December 2024.
To help decide which airline to fly from Ontario to Portland, see what other customers have to say about Delta, Air Canada 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.
8.0
Very good
8,594 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.6

Food

7.3

Reviews

1 / 10

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

8.0
Very good
8,594 reviews
8.0
Very good
8,594 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.6

Food

7.3

Reviews

1 / 10

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

7.4
Good
9,028 reviews
8.0
Very good
8,594 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.6

Food

7.3

Reviews

1 / 10

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

7.3
Good
2,812 reviews
8.0
Very good
8,594 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.6

Food

7.3

Reviews

1 / 10

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

7.2
Good
10,000 reviews
8.0
Very good
8,594 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.6

Food

7.3

Reviews

1 / 10

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

7.0
Good
8,413 reviews
8.0
Very good
8,594 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.6

Food

7.3

Reviews

1 / 10

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?

    For a flight from Ontario to Portland, you will be flying into Portland. Portland (PWM) is just 4.7 km from the centre of the city.

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

    The cheapest airlines for a one-way flight from Region of Ontario to Portland, Maine are American Airlines (C$ 220), United Airlines (C$ 224), and Delta (C$ 375).

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Ontario to Portland

Discover the top 3 airlines 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 629,999 searches. Data last updated 22 December 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 340AverageC$ 586FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 398AverageC$ 594FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 458AverageC$ 651FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Portland?

When you search for this flight from Ontario to Portland, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Portland?

Cheapflights simply makes it quick and affordable to book flights from Ontario to Portland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ontario to Portland with no change fees?

Yes! Cheapflights helps users easily find flights from Ontario to Portland with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Portland become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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