Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ontario to Portland from C$ 282

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 1/9. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
2:15 p.m. - 10:15 p.m.YYZ  Toronto Pearson Intl-PWM Portland
8h 00m1 stop Washington, D.C. Reagan-National
American Airlines Logo
6:00 a.m. - 1:38 p.m.PWM  Portland-YYZ Toronto Pearson Intl
7h 38m1 stop Washington, D.C. Reagan-National
C$ 584American Airlines
Sat, 5 Sep - Fri, 11 Sep
WestJet Logo
4:10 p.m. - 4:01 p.m.YYZ  Toronto Pearson Intl-PWM Portland
23h 51m1 stop Detroit Metropolitan Wayne County
WestJet Logo
11:50 a.m. - 12:10 a.m.PWM  Portland-YYZ Toronto Pearson Intl
12h 20m2 stops Minneapolis St Paul Calgary
C$ 603WestJet
Sat, 5 Sep - Fri, 11 Sep
WestJet Logo
4:10 p.m. - 4:01 p.m.YYZ  Toronto Pearson Intl-PWM Portland
23h 51m1 stop Detroit Metropolitan Wayne County
WestJet Logo
11:50 a.m. - 12:10 a.m.PWM  Portland-YYZ Toronto Pearson Intl
12h 20m2 stops Minneapolis St Paul Calgary
C$ 611WestJet
Sat, 5 Sep - Fri, 11 Sep
WestJet Logo
6:00 a.m. - 4:02 p.m.YYZ  Toronto Pearson Intl-PWM Portland
10h 02m1 stop Detroit Metropolitan Wayne County
WestJet Logo
12:42 p.m. - 8:49 a.m.PWM  Portland-YYZ Toronto Pearson Intl
20h 07m1 stop Detroit Metropolitan Wayne County
C$ 612WestJet
Fri, 30 Oct - Mon, 2 Nov
United Airlines Logo
6:40 p.m. - 8:19 a.m.YYZ  Toronto Pearson Intl-PWM Portland
13h 39m1 stop Newark
United Airlines Logo
11:17 a.m. - 5:59 p.m.PWM  Portland-YYZ Toronto Pearson Intl
6h 42m1 stop Newark
C$ 618United Airlines
Tue, 12 Jan - Wed, 13 Jan
WestJet Logo
4:10 p.m. - 12:02 p.m.YYZ  Toronto Pearson Intl-PWM Portland
19h 52m1 stop Detroit Metropolitan Wayne County
WestJet Logo
4:45 p.m. - 10:59 p.m.PWM  Portland-YYZ Toronto Pearson Intl
6h 14m1 stop Detroit Metropolitan Wayne County
C$ 621WestJet
Sat, 5 Sep - Fri, 11 Sep
Air Canada Logo
5:25 p.m. - 11:28 p.m.YYZ  Toronto Pearson Intl-PWM Portland
6h 03m1 stop Newark
Air Canada Logo
6:00 a.m. - 10:40 a.m.PWM  Portland-YYZ Toronto Pearson Intl
4h 40m1 stop Newark
C$ 622Air Canada
Thu, 1 Oct - Sat, 3 Oct
United Airlines Logo
2:45 p.m. - 9:54 p.m.YYZ  Toronto Pearson Intl-PWM Portland
7h 09m1 stop Chicago O'Hare Intl
United Airlines Logo
8:03 a.m. - 1:47 p.m.PWM  Portland-YYZ Toronto Pearson Intl
5h 44m1 stop Newark
C$ 625United Airlines
Tue, 20 Oct - Sat, 24 Oct
United Airlines Logo
2:45 p.m. - 9:54 p.m.YYZ  Toronto Pearson Intl-PWM Portland
7h 09m1 stop Chicago O'Hare Intl
United Airlines Logo
8:03 a.m. - 1:47 p.m.PWM  Portland-YYZ Toronto Pearson Intl
5h 44m1 stop Newark
C$ 626United Airlines
Tue, 20 Oct - Sat, 24 Oct
United Airlines Logo
9:44 a.m. - 2:38 p.m.YYZ  Toronto Pearson Intl-PWM Portland
4h 54m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
8:03 a.m. - 10:23 p.m.PWM  Portland-YYZ Toronto Pearson Intl
14h 20m1 stop Newark
C$ 626United Airlines
Sat, 19 Sep - Sat, 26 Sep

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

American Airlines flights from Region of Ontario to Portland, Maine

Our best American Airlines deals on Region of Ontario to Portland, Maine flight tickets
American Airlines
5 Sep
YYZ2:15 p.m.Toronto Pearson Intl
8h 00m
1 stop
PWM10:15 p.m.Portland
11 Sep
PWM6:00 a.m.Portland
7h 38m
1 stop
YYZ1:38 p.m.Toronto Pearson Intl
C$ 584
American Airlines
19 Aug
YYZ8:00 a.m.Toronto Pearson Intl
13h 21m
1 stop
PWM9:21 p.m.Portland
22 Aug
PWM7:28 a.m.Portland
9h 50m
1 stop
YYZ5:18 p.m.Toronto Pearson Intl
C$ 635
American Airlines
15 Sep
YUL10:30 a.m.Montreal Pierre Elliott Trudeau Intl
23h 47m
1 stop
PWM10:17 a.m.Portland
22 Sep
PWM4:31 p.m.Portland
17h 18m
1 stop
YUL9:49 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 668

WestJet flights from Region of Ontario to Portland, Maine

Our best WestJet deals on Region of Ontario to Portland, Maine flight tickets
WestJet
5 Sep
YYZ4:10 p.m.Toronto Pearson Intl
23h 51m
1 stop
PWM4:01 p.m.Portland
11 Sep
PWM11:50 a.m.Portland
12h 20m
2 stops
YYZ12:10 a.m.Toronto Pearson Intl
C$ 603
WestJet
5 Sep
YYZ4:10 p.m.Toronto Pearson Intl
23h 51m
1 stop
PWM4:01 p.m.Portland
11 Sep
PWM11:50 a.m.Portland
12h 20m
2 stops
YYZ12:10 a.m.Toronto Pearson Intl
C$ 611
WestJet
30 Oct
YYZ6:00 a.m.Toronto Pearson Intl
10h 02m
1 stop
PWM4:02 p.m.Portland
2 Nov
PWM12:42 p.m.Portland
20h 07m
1 stop
YYZ8:49 a.m.Toronto Pearson Intl
C$ 612

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 7 August 2026.
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

Cheapest round-trip

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Sat 5/9

2:15 p.m.-10:15 p.m.

1 stop8h 00m

Portland

Fri 11/9

6:00 a.m.-1:38 p.m.

1 stop7h 38m

C$ 584

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Sat 5/9

4:10 p.m.-4:01 p.m.

1 stop23h 51m

Portland

Fri 11/9

11:50 a.m.-12:10 a.m.

2 stops12h 20m

C$ 603

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Sat 5/9

4:10 p.m.-4:01 p.m.

1 stop23h 51m

Portland

Fri 11/9

11:50 a.m.-12:10 a.m.

2 stops12h 20m

C$ 611

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Fri 30/10

6:00 a.m.-4:02 p.m.

1 stop10h 02m

Portland

Mon 2/11

12:42 p.m.-8:49 a.m.

1 stop20h 07m

C$ 612

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Tue 12/1

6:40 p.m.-8:19 a.m.

1 stop13h 39m

Portland

Wed 13/1

11:17 a.m.-5:59 p.m.

1 stop6h 42m

C$ 618

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Sat 5/9

4:10 p.m.-12:02 p.m.

1 stop19h 52m

Portland

Fri 11/9

4:45 p.m.-10:59 p.m.

1 stop6h 14m

C$ 621
Quickest round-trip

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Thu 1/10

5:25 p.m.-11:28 p.m.

1 stop6h 03m

Portland

Sat 3/10

6:00 a.m.-10:40 a.m.

1 stop4h 40m

C$ 622

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Tue 20/10

2:45 p.m.-9:54 p.m.

1 stop7h 09m

Portland

Sat 24/10

8:03 a.m.-1:47 p.m.

1 stop5h 44m

C$ 625

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Tue 20/10

2:45 p.m.-9:54 p.m.

1 stop7h 09m

Portland

Sat 24/10

8:03 a.m.-1:47 p.m.

1 stop5h 44m

C$ 626

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Sat 19/9

9:44 a.m.-2:38 p.m.

1 stop4h 54m

Portland

Sat 26/9

8:03 a.m.-10:23 p.m.

1 stop14h 20m

C$ 626

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

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

You could potentially save up to 14% 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

4h 30m

Direct flights

None
The fastest flight from Region of Ontario to Portland, Maine takes 4h 30m
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

Frequently asked questions about flying from Ontario to Portland, Maine

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

    Prices for flights from Ontario to Portland Airport refresh daily.

  • 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$ 492Free CancellationRating
7.4
10,074 reviews
Search United Airlines flights

Travelling to a place near Portland?

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

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 6/9
Sun 13/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States