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Cheap flights from Ontario to Portland from C$ 281

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Portland departing on 14/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:30 a.m. - 9:37 p.m.
YYZ
-
PWM
11h 07m2 stops
American Airlines Logo
5:30 a.m. - 4:35 p.m.
PWM
-
YYZ
11h 05m1 stop
C$ 551American Airlines
Sat, 31 Jan - Sat, 7 Feb
Delta Logo
6:00 a.m. - 1:45 p.m.
YYZ
-
PWM
7h 45m1 stop
Delta Logo
2:35 p.m. - 10:56 p.m.
PWM
-
YYZ
8h 21m1 stop
C$ 554Delta
Thu, 8 Jan - Mon, 12 Jan
American Airlines Logo
10:30 a.m. - 9:37 p.m.
YYZ
-
PWM
11h 07m2 stops
American Airlines Logo
5:30 a.m. - 5:28 p.m.
PWM
-
YYZ
11h 58m2 stops
C$ 559American Airlines
Sat, 31 Jan - Sat, 7 Feb
American Airlines Logo
10:59 a.m. - 11:43 p.m.
YYZ
-
PWM
12h 44m1 stop
American Airlines Logo
5:20 a.m. - 4:35 p.m.
PWM
-
YYZ
11h 15m1 stop
C$ 568American Airlines
Thu, 22 Jan - Thu, 29 Jan
Delta Logo
6:00 a.m. - 1:45 p.m.
YYZ
-
PWM
7h 45m1 stop
Delta Logo
6:00 a.m. - 5:53 p.m.
PWM
-
YYZ
11h 53m1 stop
C$ 582Delta
Thu, 8 Jan - Mon, 12 Jan
Multiple Airlines Logo
1:10 p.m. - 11:30 p.m.
YUL
-
PWM
10h 20m1 stop
Multiple Airlines Logo
6:00 a.m. - 2:22 p.m.
PWM
-
YUL
8h 22m2 stops
C$ 806Multiple Airlines
Thu, 22 Jan - Thu, 29 Jan
United Airlines Logo
9:30 a.m. - 2:36 p.m.
YUL
-
PWM
5h 06m1 stop
United Airlines Logo
2:45 p.m. - 7:38 p.m.
PWM
-
YUL
4h 53m1 stop
C$ 810United Airlines
Thu, 7 May - Thu, 28 May
United Airlines Logo
6:40 p.m. - 11:22 p.m.
YYZ
-
PWM
4h 42m1 stop
United Airlines Logo
6:46 p.m. - 11:20 p.m.
PWM
-
YYZ
4h 34m1 stop
C$ 842United Airlines
Sun, 28 Dec - Fri, 2 Jan
Air Canada Logo
2:15 p.m. - 11:30 p.m.
YYZ
-
PWM
9h 15m2 stops
Air Canada Logo
6:00 a.m. - 11:48 a.m.
PWM
-
YYZ
5h 48m1 stop
C$ 843Air Canada
Thu, 8 Jan - Mon, 12 Jan
Air Canada Logo
2:15 p.m. - 11:30 p.m.
YYZ
-
PWM
9h 15m2 stops
Air Canada Logo
6:00 a.m. - 12:49 p.m.
PWM
-
YYZ
6h 49m1 stop
C$ 845Air Canada
Thu, 8 Jan - Mon, 12 Jan

Delta flights from Region of Ontario to Portland, Maine

Our best Delta deals on Region of Ontario to Portland, Maine flight tickets
Delta
8 Jan
YYZ6:00 a.m.Toronto Pearson Intl
7h 45m
1 stop
PWM1:45 p.m.Portland
12 Jan
PWM2:35 p.m.Portland
8h 21m
1 stop
YYZ10:56 p.m.Toronto Pearson Intl
C$ 554
Find similar
Delta
8 Jan
YYZ6:00 a.m.Toronto Pearson Intl
7h 45m
1 stop
PWM1:45 p.m.Portland
12 Jan
PWM6:00 a.m.Portland
11h 53m
1 stop
YYZ5:53 p.m.Toronto Pearson Intl
C$ 582
Find similar
Delta
23 Jan
YUL7:30 p.m.Montreal Pierre Elliott Trudeau Intl
17h 00m
1 stop
PWM12:30 p.m.Portland
31 Jan
PWM2:35 p.m.Portland
25h 22m
2 stops
YUL3:57 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 622
Find similar

WestJet flights from Region of Ontario to Portland, Maine

Our best WestJet deals on Region of Ontario to Portland, Maine flight tickets
WestJet
3 Mar
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
6h 00m
1 stop
PWM12:00 p.m.Portland
8 Mar
PWM5:45 p.m.Portland
14h 45m
1 stop
YUL8:30 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 925
Find similar
WestJet
3 Mar
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
29h 15m
2 stops
PWM12:00 p.m.Portland
8 Mar
PWM5:45 p.m.Portland
14h 45m
1 stop
YUL8:30 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 973
Find similar
WestJet
16 Dec
YUL4:45 p.m.Montreal Pierre Elliott Trudeau Intl
23h 22m
1 stop
PWM4:07 p.m.Portland
22 Dec
PWM4:48 p.m.Portland
19h 11m
1 stop
YUL11:59 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,052
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to Portland, Maine 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, momondo users made 96,600 searches. Data last updated 10 December 2025.
Use the filters below to find and compare flights from Ontario to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

Sat 31/1

10:30 a.m.-9:37 p.m.

2 stops11h 07m

Portland

Sat 7/2

5:30 a.m.-4:35 p.m.

1 stop11h 05m

C$ 551

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

Thu 8/1

6:00 a.m.-1:45 p.m.

1 stop7h 45m

Portland

Mon 12/1

2:35 p.m.-10:56 p.m.

1 stop8h 21m

C$ 554

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

Sat 31/1

10:30 a.m.-9:37 p.m.

2 stops11h 07m

Portland

Sat 7/2

5:30 a.m.-5:28 p.m.

2 stops11h 58m

C$ 559

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

Thu 22/1

10:59 a.m.-11:43 p.m.

1 stop12h 44m

Portland

Thu 29/1

5:20 a.m.-4:35 p.m.

1 stop11h 15m

C$ 568

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

Thu 8/1

6:00 a.m.-1:45 p.m.

1 stop7h 45m

Portland

Mon 12/1

6:00 a.m.-5:53 p.m.

1 stop11h 53m

C$ 582

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Thu 22/1

1:10 p.m.-11:30 p.m.

1 stop10h 20m

Portland

Thu 29/1

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

2 stops8h 22m

C$ 806

MontrealPortland

YUL - PWM

YULPWM

Montreal Pierre Elliott Trudeau Intl

Thu 7/5

9:30 a.m.-2:36 p.m.

1 stop5h 06m

Portland

Thu 28/5

2:45 p.m.-7:38 p.m.

1 stop4h 53m

C$ 810

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

Sun 28/12

6:40 p.m.-11:22 p.m.

1 stop4h 42m

Portland

Fri 2/1

6:46 p.m.-11:20 p.m.

1 stop4h 34m

C$ 842

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

Thu 8/1

2:15 p.m.-11:30 p.m.

2 stops9h 15m

Portland

Mon 12/1

6:00 a.m.-11:48 a.m.

1 stop5h 48m

C$ 843

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

Thu 8/1

2:15 p.m.-11:30 p.m.

2 stops9h 15m

Portland

Mon 12/1

6:00 a.m.-12:49 p.m.

1 stop6h 49m

C$ 845

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portland from

How to get the cheapest flight ticket from Region of Ontario to Portland, Maine

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Portland, Maine?

The cheapest day to depart on your flight to Portland, Maine is on a Tuesday when prices can be found for as low as C$ 530. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 669. These prices are subject to change though, so be sure to set up a Price Alert for flights to Portland, Maine.

What is the cheapest time of day to depart on your flight to Portland, Maine?

The cheapest time of day to fly to Portland, Maine is in the afternoon when flights can be purchased for as low as C$ 546. Try not to purchase tickets in the morning because they tend to be around C$ 628. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Region of Ontario to Portland, Maine flights?

You could potentially save up to 12% on your flight if you consider stops on a Region of Ontario to Portland, Maine flight.

Cheap Region of Ontario to Portland, Maine flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Portland, Maine

Fastest flight time

5h 04m

Direct flights

None
The fastest flight from Region of Ontario to Portland, Maine takes 5h 04m
There are no direct flights from Region of Ontario to Portland, Maine. There are no popular flight routes from Region of Ontario to Portland, Maine.
Search flight deals

  • When did momondo last update prices for flights from Ontario to Portland Airport?

    Prices for flights from Ontario to Portland Airport refresh daily.

  • How many operators does momondo search for flights from Ontario to Portland Airport?

  • How old do you have to be to fly from Ontario to Portland Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Region of Ontario to Portland, Maine

Compare and see reviews for airlines that fly from Region of Ontario to Portland, Maine with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom C$ 363Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
WestJetPriceFrom C$ 542Free CancellationRating
7.2
3,194 reviews
Search WestJet flights

Travelling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Freeport
Auburn
Brunswick
Bartlett
Boothbay Harbor
Gorham
Lewiston
Jackson

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Portland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Portland for you.

Can I find flights from Ontario to Portland with flexible booking policies on momondo?

All flight searches from Ontario to Portland on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Portland?

momondo provides multiple filters to help you find the best flight to Portland from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ontario to Portland right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Portland, momondo offers a useful price alert feature which will track prices for flights to Portland from Ontario and alert you when they change.

An easier way to manage your Portland, Maine trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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