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

As of September 2026, there are 6 flights per week flying from Portland, Maine to Region of Ontario. The most common day of the week flights depart is Mon, with 17% of 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 are refreshed on a daily basis.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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.

$262 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 pm - 1:40 pmPWM Portland-YYZ Toronto Pearson Intl

44h 31m2 stops Raleigh-Durham Orlando

10:40 am - 6:32 pmYYZ Toronto Pearson Intl-PWM Portland

7h 52m1 stop Tampa

$454Multiple Airlines

Tue, Dec 1 - Wed, Dec 9

3:10 pm - 1:40 pmPWM Portland-YYZ Toronto Pearson Intl

22h 30m2 stops Pittsburgh Orlando

6:30 am - 9:08 amYYZ Toronto Pearson Intl-PWM Portland

26h 38m1 stop Orlando

$494Multiple Airlines

Thu, Nov 5 - Thu, Nov 12

6:00 am - 1:43 pmPWM Portland-YYZ Toronto Pearson Intl

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

5:14 pm - 9:50 amYYZ Toronto Pearson Intl-PWM Portland

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

$506American Airlines

Wed, Oct 21 - Mon, Nov 2

6:07 am - 4:34 pmPWM Portland-YYZ Toronto Pearson Intl

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

5:14 pm - 10:24 amYYZ Toronto Pearson Intl-PWM Portland

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

$514American Airlines

Tue, Nov 3 - Tue, Nov 10

6:00 am - 4:47 pmPWM Portland-YYZ Toronto Pearson Intl

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

2:24 pm - 11:59 pmYYZ Toronto Pearson Intl-PWM Portland

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

$516American Airlines

Wed, Oct 14 - Tue, Oct 20

9:48 am - 1:40 pmPWM Portland-YYZ Toronto Pearson Intl

27h 52m1 stop Orlando

6:30 am - 9:08 amYYZ Toronto Pearson Intl-PWM Portland

26h 38m1 stop Orlando

$518Multiple Airlines

Fri, Oct 30 - Sun, Nov 1

5:09 pm - 2:10 pmPWM Portland-YYZ Toronto Pearson Intl

45h 01m2 stops Raleigh-Durham Orlando

9:35 am - 9:08 amYYZ Toronto Pearson Intl-PWM Portland

23h 33m1 stop Orlando

$534Multiple Airlines

Tue, Nov 3 - Tue, Nov 10

5:35 pm - 7:20 pmPWM Portland-YYZ Toronto Pearson Intl

25h 45m2 stops Charleston Tampa

7:15 am - 10:51 amYYZ Toronto Pearson Intl-PWM Portland

27h 36m1 stop Fort Myers SW Florida Intl

$538Multiple Airlines

Mon, Nov 2 - Mon, Nov 9

6:31 pm - 8:55 pmPWM Portland-YYZ Toronto Pearson Intl

26h 24m2 stops Tampa Fort Lauderdale

6:30 am - 9:08 amYYZ Toronto Pearson Intl-PWM Portland

26h 38m1 stop Orlando

$553Multiple Airlines

Wed, Oct 21 - Sun, Nov 1

12:35 pm - 11:59 pmPWM Portland-YYZ Toronto Pearson Intl

11h 24m1 stop Chicago O'Hare Intl

4:09 pm - 10:57 pmYYZ Toronto Pearson Intl-PWM Portland

6h 48m1 stop Philadelphia

$570American Airlines

Tue, Dec 1 - Wed, Dec 9

Cheap last minute flights

Enter your travel dates to find the best prices.

11:50 am - 9:15 pmPWM Portland-YYZ Toronto Pearson Intl

33h 25m2 stops Minneapolis St Paul Calgary

6:10 pm - 3:55 pmYYZ Toronto Pearson Intl-PWM Portland

21h 45m1 stop Detroit Metropolitan Wayne County

$797WestJet

Tue, Sep 22 - Thu, Sep 24

11:50 am - 6:34 pmPWM Portland-YYZ Toronto Pearson Intl

6h 44m1 stop Minneapolis St Paul

6:10 pm - 3:55 pmYYZ Toronto Pearson Intl-PWM Portland

21h 45m1 stop Detroit Metropolitan Wayne County

$823WestJet

Tue, Sep 22 - Thu, Sep 24

11:50 am - 6:34 pmPWM Portland-YYZ Toronto Pearson Intl

6h 44m1 stop Minneapolis St Paul

12:08 pm - 3:55 pmYYZ Toronto Pearson Intl-PWM Portland

3h 47m1 stop Detroit Metropolitan Wayne County

$852WestJet

Thu, Sep 24 - Tue, Sep 29

11:50 am - 11:35 amPWM Portland-YYZ Toronto Pearson Intl

23h 45m1 stop Minneapolis St Paul

9:45 am - 3:55 pmYYZ Toronto Pearson Intl-PWM Portland

6h 10m1 stop Detroit Metropolitan Wayne County

$869WestJet

Thu, Sep 24 - Sat, Sep 26

12:55 pm - 3:15 pmPWM Portland-YYZ Toronto Pearson Intl

26h 20m1 stop Detroit Metropolitan Wayne County

7:04 pm - 4:49 pmYYZ Toronto Pearson Intl-PWM Portland

21h 45m1 stop New York LaGuardia

$885WestJet

Sat, Sep 26 - Sun, Sep 27

11:50 am - 6:34 pmPWM Portland-YYZ Toronto Pearson Intl

6h 44m1 stop Minneapolis St Paul

6:10 pm - 12:10 pmYYZ Toronto Pearson Intl-PWM Portland

18h 00m1 stop Detroit Metropolitan Wayne County

$897WestJet

Fri, Sep 25 - Sun, Sep 27

11:50 am - 9:35 pmPWM Portland-YYZ Toronto Pearson Intl

33h 45m2 stops Minneapolis St Paul Winnipeg

6:00 am - 3:55 pmYYZ Toronto Pearson Intl-PWM Portland

9h 55m1 stop Detroit Metropolitan Wayne County

$902WestJet

Thu, Sep 24 - Sat, Sep 26

11:50 am - 5:45 amPWM Portland-YYZ Toronto Pearson Intl

17h 55m2 stops Minneapolis St Paul Calgary

9:45 am - 12:10 pmYYZ Toronto Pearson Intl-PWM Portland

26h 25m1 stop Detroit Metropolitan Wayne County

$904WestJet

Sat, Sep 26 - Sun, Sep 27

10:47 am - 11:00 pmPWM Portland-YYZ Toronto Pearson Intl

12h 13m1 stop New York LaGuardia

7:27 am - 3:41 pmYYZ Toronto Pearson Intl-PWM Portland

8h 14m1 stop New York LaGuardia

$909American Airlines

Fri, Sep 25 - Sun, Sep 27

5:35 pm - 8:40 pmPWM Portland-YYZ Toronto Pearson Intl

27h 05m2 stops Charleston Fort Myers SW Florida Intl

7:04 pm - 11:17 pmYYZ Toronto Pearson Intl-PWM Portland

4h 13m1 stop New York LaGuardia

$910Multiple Airlines

Fri, Sep 25 - Sun, Sep 27

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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

Oct 21

PWM6:00 amPortland

7h 43m

1 stop

YYZ1:43 pmToronto Pearson Intl

Nov 2

YYZ5:14 pmToronto Pearson Intl

16h 36m

1 stop

PWM9:50 amPortland

$506

American Airlines

Nov 3

PWM6:07 amPortland

10h 27m

1 stop

YYZ4:34 pmToronto Pearson Intl

Nov 10

YYZ5:14 pmToronto Pearson Intl

17h 10m

1 stop

PWM10:24 amPortland

$514

American Airlines

Oct 14

PWM6:00 amPortland

10h 47m

1 stop

YYZ4:47 pmToronto Pearson Intl

Oct 20

YYZ2:24 pmToronto Pearson Intl

9h 35m

1 stop

PWM11:59 pmPortland

$516

United Airlines flights from Portland, Maine to Region of Ontario

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

United Airlines

Oct 28

PWM8:32 amPortland

10h 13m

1 stop

YYZ6:45 pmToronto Pearson Intl

Oct 31

YYZ10:53 amToronto Pearson Intl

10h 55m

1 stop

PWM9:48 pmPortland

$625

United Airlines

Oct 15

PWM6:00 amPortland

7h 47m

1 stop

YYZ1:47 pmToronto Pearson Intl

Oct 20

YYZ3:00 pmToronto Pearson Intl

8h 28m

1 stop

PWM11:28 pmPortland

$647

United Airlines

Dec 3

PWM9:47 amPortland

25h 35m

1 stop

YYZ11:22 amToronto Pearson Intl

Dec 7

YYZ6:40 pmToronto Pearson Intl

19h 57m

1 stop

PWM2:37 pmPortland

$652

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 12/1

5:09 pm-1:40 pm

2 stops44h 31m

Toronto Pearson Intl

Wed 12/9

10:40 am-6:32 pm

1 stop7h 52m

$454

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Thu 11/5

3:10 pm-1:40 pm

2 stops22h 30m

Toronto Pearson Intl

Thu 11/12

6:30 am-9:08 am

1 stop26h 38m

$494

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Wed 10/21

6:00 am-1:43 pm

1 stop7h 43m

Toronto Pearson Intl

Mon 11/2

5:14 pm-9:50 am

1 stop16h 36m

$506

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Tue 11/3

6:07 am-4:34 pm

1 stop10h 27m

Toronto Pearson Intl

Tue 11/10

5:14 pm-10:24 am

1 stop17h 10m

$514

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Wed 10/14

6:00 am-4:47 pm

1 stop10h 47m

Toronto Pearson Intl

Tue 10/20

2:24 pm-11:59 pm

1 stop9h 35m

$516

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Fri 10/30

9:48 am-1:40 pm

1 stop27h 52m

Toronto Pearson Intl

Sun 11/1

6:30 am-9:08 am

1 stop26h 38m

$518

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Tue 11/3

5:09 pm-2:10 pm

2 stops45h 01m

Toronto Pearson Intl

Tue 11/10

9:35 am-9:08 am

1 stop23h 33m

$534

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Mon 11/2

5:35 pm-7:20 pm

2 stops25h 45m

Toronto Pearson Intl

Mon 11/9

7:15 am-10:51 am

1 stop27h 36m

$538

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Wed 10/21

6:31 pm-8:55 pm

2 stops26h 24m

Toronto Pearson Intl

Sun 11/1

6:30 am-9:08 am

1 stop26h 38m

$553

Quickest round-trip

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Tue 12/1

12:35 pm-11:59 pm

1 stop11h 24m

Toronto Pearson Intl

Wed 12/9

4:09 pm-10:57 pm

1 stop6h 48m

$570

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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?

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

What airlines fly to Region of Ontario?

Porter Airlines, Air Canada and United Airlines are the top three most popular airlines that fly to Region of Ontario from Portland, Maine according to our data. Porter Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 6 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

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	$262
Fastest flight time	6h 25m
Direct flights	None

The best one-way flight to Region of Ontario from Portland, Maine in the past 72 hours is $262. The best round-trip flight deal from Portland, Maine to Region of Ontario found on momondo in the last 72 hours is $454.

The fastest flight from Portland, Maine to Region of Ontario takes 6h 25m

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 are refreshed on a daily basis.
How old do you have to be to fly from Portland Airport to Ontario?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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?

It is quick and easy to find Portland to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

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

Yes. momondo enables you to select and highlight flights to Ontario from Portland with this policy.

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

Once all potential Portland to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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