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Cheap flights from Ontario to Portland, ME from C$ 375

YYZ — PWM
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Portland

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Portland

Sat 5/1210:00 a.m. -
1 stop9h 12m
Tue 8/126:00 a.m. -
1 stop7h 43m
Deal found 3/11C$ 666
Tue 15/1212:55 p.m. -
1 stop10h 29m
Tue 22/127:44 p.m. -
1 stop13h 30m
Deal found 31/10C$ 684
Fri 18/129:44 a.m. -
1 stop6h 02m
Fri 25/126:00 a.m. -
1 stop11h 49m
Deal found 3/11C$ 713
Sat 5/125:11 p.m. -
1 stop5h 35m
Tue 8/125:00 a.m. -
2 stops10h 45m
Deal found 3/11C$ 724
Thu 17/1210:53 a.m. -
1 stop11h 52m
Thu 24/123:38 p.m. -
1 stop7h 48m
Deal found 1/11C$ 727
Wed 16/1212:00 p.m. -
2 stops11h 24m
Wed 23/126:00 a.m. -
1 stop7h 43m
Deal found 1/11C$ 789
Thu 12/112:57 p.m. -
1 stop8h 24m
Mon 16/117:35 p.m. -
1 stop4h 17m
Deal found 2/11C$ 808
Sat 28/118:35 a.m. -
1 stop5h 41m
Sat 5/127:00 a.m. -
1 stop6h 43m
Deal found 31/10C$ 819
Tue 22/127:44 p.m. -
1 stop4h 15m
Wed 30/126:00 a.m. -
1 stop5h 48m
Deal found 1/11C$ 878
Sat 19/127:44 p.m. -
1 stop4h 15m
Wed 30/127:44 p.m. -
1 stop13h 30m
Deal found 1/11C$ 889
Thu 5/119:44 a.m. -
1 stop13h 37m
Thu 12/118:49 a.m. -
1 stop11h 10m
Deal found 31/10C$ 916

Find flight deals from Ontario to Portland

Round-trip from

C$ 628

One-way from

C$ 375

Popular in

June

Cheapest in

August

Average price

C$ 764
Delta
  • Delta
  • 9/1-12/1
  • 2 total stops
  • 22h 15m total
  • Ontario to Portland
Search Deals
Delta
  • Delta
  • 17/11-31/12
  • 1 total stop
  • 6h 11m total
  • Ontario to Portland
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 199 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Ontario to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Wed 18/11

7:43 a.m.-1:26 p.m.

1 stop5h 43m

Portland

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 375

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Mon 23/11

3:35 p.m.-9:51 p.m.

1 stop6h 16m

Portland

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 376

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Mon 16/11

6:30 a.m.-4:24 p.m.

2 stops33h 54m

Portland

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 385

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Fri 18/12

6:00 a.m.-3:20 p.m.

1 stop9h 20m

Portland

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 392

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Thu 17/12

6:00 a.m.-3:20 p.m.

1 stop9h 20m

Portland

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 392

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Mon 16/11

10:30 a.m.-11:21 p.m.

1 stop12h 51m

Portland

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 392

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Mon 23/11

2:25 p.m.-9:08 a.m.

3 stops42h 43m

Portland

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 506

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Sun 29/11

10:30 a.m.-11:21 p.m.

1 stop12h 51m

Portland

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 597

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Sat 9/1

7:50 a.m.-9:10 p.m.

1 stop13h 20m

Portland

Tue 12/1

11:38 a.m.-8:33 p.m.

1 stop8h 55m

C$ 628

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Sat 9/1

6:40 p.m.-9:04 a.m.

1 stop14h 24m

Portland

Tue 12/1

7:10 a.m.-11:48 a.m.

1 stop4h 38m

C$ 666

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 20 resultsSorted by cheapest first
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

Cheapflights Insights

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

No data available for this route at this time. Please check back soon.

Related info for your journey

  • 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.

  • How long is the flight from Region of Ontario to Portland, Maine?

    A quick flight from Region of Ontario to Portland, Maine can take about 13h 20m. Delta provides one of the quickest options available for as low as C$ 628. The distance between Region of Ontario and Portland, Maine is about 748 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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

Travelling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Conway
North Conway

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Ontario to Portland

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 491AverageC$ 867FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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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?

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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.

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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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