How many flights depart from Portland, Maine to Region of Ontario on average per week?

As of September 2026, 3 flights take off from Portland, Maine and land in Region of Ontario each week. The most common flight departure day for this route is Mon, with 33% of weekly flights taking off on this day.

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

Prices for flights from Portland Airport to Ontario were last updated today.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Ontario.

What documentation or ID do you need to fly to Ontario?

The travel and health documents required for your trip to Ontario can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 398 Cheap Flights from Portland, Maine to Ontario in 2026/27

Find the cheapest flights from Portland, Maine to Ontario

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:09 p.m. - 1:40 p.m.PWM Portland-YYZ Toronto Pearson Intl

44h 31m2 stops Raleigh-Durham Orlando

10:40 a.m. - 6:32 p.m.YYZ Toronto Pearson Intl-PWM Portland

7h 52m1 stop Tampa

C$ 636Multiple Airlines

Tue, 1 Dec - Wed, 9 Dec

3:10 p.m. - 1:40 p.m.PWM Portland-YYZ Toronto Pearson Intl

22h 30m2 stops Pittsburgh Orlando

6:30 a.m. - 9:08 a.m.YYZ Toronto Pearson Intl-PWM Portland

26h 38m1 stop Orlando

C$ 692Multiple Airlines

Thu, 5 Nov - Thu, 12 Nov

6:00 a.m. - 1:43 p.m.PWM Portland-YYZ Toronto Pearson Intl

7h 43m1 stop Washington, D.C. Reagan-National

11:09 a.m. - 10:44 p.m.YYZ Toronto Pearson Intl-PWM Portland

11h 35m1 stop Washington, D.C. Reagan-National

C$ 709American Airlines

Wed, 21 Oct - Sat, 31 Oct

6:00 a.m. - 1:43 p.m.PWM Portland-YYZ Toronto Pearson Intl

7h 43m1 stop Washington, D.C. Reagan-National

11:09 a.m. - 11:59 p.m.YYZ Toronto Pearson Intl-PWM Portland

12h 50m1 stop Washington, D.C. Reagan-National

C$ 709American Airlines

Wed, 21 Oct - Wed, 28 Oct

6:00 a.m. - 1:43 p.m.PWM Portland-YYZ Toronto Pearson Intl

7h 43m1 stop Washington, D.C. Reagan-National

5:14 p.m. - 9:50 a.m.YYZ Toronto Pearson Intl-PWM Portland

16h 36m1 stop Washington, D.C. Reagan-National

C$ 709American Airlines

Wed, 21 Oct - Mon, 2 Nov

6:07 a.m. - 4:34 p.m.PWM Portland-YYZ Toronto Pearson Intl

10h 27m1 stop Washington, D.C. Reagan-National

5:14 p.m. - 10:24 a.m.YYZ Toronto Pearson Intl-PWM Portland

17h 10m1 stop Washington, D.C. Reagan-National

C$ 720American Airlines

Tue, 3 Nov - Tue, 10 Nov

6:00 a.m. - 1:43 p.m.PWM Portland-YYZ Toronto Pearson Intl

7h 43m1 stop Washington, D.C. Reagan-National

2:24 p.m. - 11:59 p.m.YYZ Toronto Pearson Intl-PWM Portland

9h 35m1 stop Washington, D.C. Reagan-National

C$ 723American Airlines

Tue, 20 Oct - Tue, 27 Oct

6:00 a.m. - 1:43 p.m.PWM Portland-YYZ Toronto Pearson Intl

7h 43m1 stop Washington, D.C. Reagan-National

11:09 a.m. - 11:59 p.m.YYZ Toronto Pearson Intl-PWM Portland

12h 50m1 stop Washington, D.C. Reagan-National

C$ 723American Airlines

Wed, 14 Oct - Tue, 20 Oct

6:00 a.m. - 4:47 p.m.PWM Portland-YYZ Toronto Pearson Intl

10h 47m1 stop Washington, D.C. Reagan-National

2:24 p.m. - 11:59 p.m.YYZ Toronto Pearson Intl-PWM Portland

9h 35m1 stop Washington, D.C. Reagan-National

C$ 723American Airlines

Wed, 14 Oct - Tue, 20 Oct

9:48 a.m. - 1:40 p.m.PWM Portland-YYZ Toronto Pearson Intl

27h 52m1 stop Orlando

6:30 a.m. - 9:08 a.m.YYZ Toronto Pearson Intl-PWM Portland

26h 38m1 stop Orlando

C$ 726Multiple Airlines

Fri, 30 Oct - Sun, 1 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

11:50 a.m. - 6:34 p.m.PWM Portland-YYZ Toronto Pearson Intl

6h 44m1 stop Minneapolis St Paul

12:08 p.m. - 3:55 p.m.YYZ Toronto Pearson Intl-PWM Portland

3h 47m1 stop Detroit Metropolitan Wayne County

C$ 1,194WestJet

Thu, 24 Sep - Tue, 29 Sep

11:50 a.m. - 11:35 a.m.PWM Portland-YYZ Toronto Pearson Intl

23h 45m1 stop Minneapolis St Paul

9:45 a.m. - 3:55 p.m.YYZ Toronto Pearson Intl-PWM Portland

6h 10m1 stop Detroit Metropolitan Wayne County

C$ 1,218WestJet

Thu, 24 Sep - Sat, 26 Sep

12:55 p.m. - 3:15 p.m.PWM Portland-YYZ Toronto Pearson Intl

26h 20m1 stop Detroit Metropolitan Wayne County

7:04 p.m. - 4:49 p.m.YYZ Toronto Pearson Intl-PWM Portland

21h 45m1 stop New York LaGuardia

C$ 1,240WestJet

Sat, 26 Sep - Sun, 27 Sep

11:50 a.m. - 6:34 p.m.PWM Portland-YYZ Toronto Pearson Intl

6h 44m1 stop Minneapolis St Paul

6:10 p.m. - 12:10 p.m.YYZ Toronto Pearson Intl-PWM Portland

18h 00m1 stop Detroit Metropolitan Wayne County

C$ 1,257WestJet

Fri, 25 Sep - Sun, 27 Sep

11:50 a.m. - 9:35 p.m.PWM Portland-YYZ Toronto Pearson Intl

33h 45m2 stops Minneapolis St Paul Winnipeg

6:00 a.m. - 3:55 p.m.YYZ Toronto Pearson Intl-PWM Portland

9h 55m1 stop Detroit Metropolitan Wayne County

C$ 1,264WestJet

Thu, 24 Sep - Sat, 26 Sep

11:50 a.m. - 5:45 a.m.PWM Portland-YYZ Toronto Pearson Intl

17h 55m2 stops Minneapolis St Paul Calgary

9:45 a.m. - 12:10 p.m.YYZ Toronto Pearson Intl-PWM Portland

26h 25m1 stop Detroit Metropolitan Wayne County

C$ 1,267WestJet

Sat, 26 Sep - Sun, 27 Sep

10:47 a.m. - 11:00 p.m.PWM Portland-YYZ Toronto Pearson Intl

12h 13m1 stop New York LaGuardia

7:27 a.m. - 3:41 p.m.YYZ Toronto Pearson Intl-PWM Portland

8h 14m1 stop New York LaGuardia

C$ 1,274American Airlines

Fri, 25 Sep - Sun, 27 Sep

5:35 p.m. - 8:40 p.m.PWM Portland-YYZ Toronto Pearson Intl

27h 05m2 stops Charleston Fort Myers SW Florida Intl

7:04 p.m. - 11:17 p.m.YYZ Toronto Pearson Intl-PWM Portland

4h 13m1 stop New York LaGuardia

C$ 1,275Multiple Airlines

Fri, 25 Sep - Sun, 27 Sep

11:35 a.m. - 6:09 p.m.PWM Portland-YYZ Toronto Pearson Intl

6h 34m1 stop New York LaGuardia

6:10 a.m. - 3:39 p.m.YYZ Toronto Pearson Intl-PWM Portland

9h 29m1 stop New York John F Kennedy Intl

C$ 1,277Delta

Fri, 25 Sep - Sun, 27 Sep

11:50 a.m. - 12:10 a.m.PWM Portland-YYZ Toronto Pearson Intl

12h 20m2 stops Minneapolis St Paul Calgary

7:55 a.m. - 10:55 a.m.YYZ Toronto Pearson Intl-PWM Portland

27h 00m1 stop New York LaGuardia

C$ 1,280WestJet

Fri, 25 Sep - Sun, 27 Sep

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American Airlines flights from Portland, Maine to Region of Ontario

Our best American Airlines deals on Portland, Maine to Region of Ontario flight tickets

American Airlines

21 Oct

PWM6:00 a.m.Portland

7h 43m

1 stop

YYZ1:43 p.m.Toronto Pearson Intl

2 Nov

YYZ5:14 p.m.Toronto Pearson Intl

16h 36m

1 stop

PWM9:50 a.m.Portland

C$ 709

American Airlines

3 Nov

PWM6:07 a.m.Portland

10h 27m

1 stop

YYZ4:34 p.m.Toronto Pearson Intl

10 Nov

YYZ5:14 p.m.Toronto Pearson Intl

17h 10m

1 stop

PWM10:24 a.m.Portland

C$ 720

American Airlines

14 Oct

PWM6:00 a.m.Portland

10h 47m

1 stop

YYZ4:47 p.m.Toronto Pearson Intl

20 Oct

YYZ2:24 p.m.Toronto Pearson Intl

9h 35m

1 stop

PWM11:59 p.m.Portland

C$ 723

WestJet flights from Portland, Maine to Region of Ontario

Our best WestJet deals on Portland, Maine to Region of Ontario flight tickets

WestJet

26 Dec

PWM4:38 p.m.Portland

6h 21m

1 stop

YYZ10:59 p.m.Toronto Pearson Intl

5 Jan

YYZ6:45 p.m.Toronto Pearson Intl

4h 21m

1 stop

PWM11:06 p.m.Portland

C$ 893

WestJet

26 Dec

PWM4:38 p.m.Portland

6h 21m

1 stop

YYZ10:59 p.m.Toronto Pearson Intl

5 Jan

YYZ6:00 a.m.Toronto Pearson Intl

17h 06m

2 stops

PWM11:06 p.m.Portland

C$ 905

WestJet

26 Dec

PWM4:38 p.m.Portland

6h 21m

1 stop

YYZ10:59 p.m.Toronto Pearson Intl

4 Jan

YYZ6:45 p.m.Toronto Pearson Intl

4h 21m

1 stop

PWM11:06 p.m.Portland

C$ 915

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Tue 1/12

5:09 p.m.-1:40 p.m.

2 stops44h 31m

Toronto Pearson Intl

Wed 9/12

10:40 a.m.-6:32 p.m.

1 stop7h 52m

C$ 636

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Thu 5/11

3:10 p.m.-1:40 p.m.

2 stops22h 30m

Toronto Pearson Intl

Thu 12/11

6:30 a.m.-9:08 a.m.

1 stop26h 38m

C$ 692

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Wed 21/10

6:00 a.m.-1:43 p.m.

1 stop7h 43m

Toronto Pearson Intl

Sat 31/10

11:09 a.m.-10:44 p.m.

1 stop11h 35m

C$ 709

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Wed 21/10

6:00 a.m.-1:43 p.m.

1 stop7h 43m

Toronto Pearson Intl

Wed 28/10

11:09 a.m.-11:59 p.m.

1 stop12h 50m

C$ 709

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Wed 21/10

6:00 a.m.-1:43 p.m.

1 stop7h 43m

Toronto Pearson Intl

Mon 2/11

5:14 p.m.-9:50 a.m.

1 stop16h 36m

C$ 709

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Tue 3/11

6:07 a.m.-4:34 p.m.

1 stop10h 27m

Toronto Pearson Intl

Tue 10/11

5:14 p.m.-10:24 a.m.

1 stop17h 10m

C$ 720

Quickest round-trip

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Tue 20/10

6:00 a.m.-1:43 p.m.

1 stop7h 43m

Toronto Pearson Intl

Tue 27/10

2:24 p.m.-11:59 p.m.

1 stop9h 35m

C$ 723

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Wed 14/10

6:00 a.m.-1:43 p.m.

1 stop7h 43m

Toronto Pearson Intl

Tue 20/10

11:09 a.m.-11:59 p.m.

1 stop12h 50m

C$ 723

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Wed 14/10

6:00 a.m.-4:47 p.m.

1 stop10h 47m

Toronto Pearson Intl

Tue 20/10

2:24 p.m.-11:59 p.m.

1 stop9h 35m

C$ 723

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Fri 30/10

9:48 a.m.-1:40 p.m.

1 stop27h 52m

Toronto Pearson Intl

Sun 1/11

6:30 a.m.-9:08 a.m.

1 stop26h 38m

C$ 726

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

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

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

Airlines

Other information

What is the cheapest airline that flies from Portland to Ontario?

United Airlines and WestJet are the most popular carriers operating from Portland to Ontario

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

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

Best price found	C$ 398
Fastest flight time	4h 30m
Direct flights	None

The best one-way flight to Region of Ontario from Portland, Maine in the past 72 hours is C$ 398. The best round-trip flight deal from Portland, Maine to Region of Ontario found on momondo in the last 72 hours is C$ 636.

The fastest flight from Portland, Maine to Region of Ontario takes 4h 30m

There are no direct flights from Portland, Maine to Region of Ontario. There are no popular flight routes from Portland, Maine to Region of Ontario.

Search flight deals

Frequently asked questions about flying from Portland, Maine to Ontario

When did momondo last update prices for flights from Portland Airport to Ontario?
Prices for flights from Portland Airport to Ontario were last updated today.
How old do you have to be to fly from Portland Airport to Ontario?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The travel and health documents required for your trip to Ontario can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Ontario. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Portland to Ontario flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Portland and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Ontario from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.