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.

$195 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.

5:00 pm - 7:11 pmPWM Portland-YYZ Toronto Pearson Intl

26h 11m2 stops Charleston Tampa

4:55 pm - 5:51 pmYYZ Toronto Pearson Intl-PWM Portland

24h 56m1 stop Tampa

$473Multiple Airlines

Fri, Jan 29 - Fri, Feb 5

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

27h 52m1 stop Orlando

4:55 pm - 5:51 pmYYZ Toronto Pearson Intl-PWM Portland

24h 56m1 stop Tampa

$530Multiple Airlines

Fri, Jan 29 - Fri, Feb 5

4:00 pm - 10:54 pmPWM Portland-YYZ Toronto Pearson Intl

6h 54m1 stop New York John F Kennedy Intl

2:35 pm - 11:20 pmYYZ Toronto Pearson Intl-PWM Portland

8h 45m1 stop New York LaGuardia

$550Delta

Fri, Dec 4 - Mon, Dec 7

10:34 am - 10:03 amPWM Portland-YYZ Toronto Pearson Intl

23h 29m2 stops Washington, D.C. Reagan-National New York LaGuardia

12:30 pm - 11:31 pmYYZ Toronto Pearson Intl-PWM Portland

11h 01m1 stop Washington, D.C. Reagan-National

$570American Airlines

Thu, Nov 26 - Wed, Dec 2

10:34 am - 11:59 amPWM Portland-YYZ Toronto Pearson Intl

25h 25m1 stop Washington, D.C. Reagan-National

12:30 pm - 11:31 pmYYZ Toronto Pearson Intl-PWM Portland

11h 01m1 stop Washington, D.C. Reagan-National

$571American Airlines

Thu, Nov 26 - Wed, Dec 2

9:48 am - 12:15 amPWM Portland-YYZ Toronto Pearson Intl

14h 27m1 stop Orlando

7:05 am - 9:21 amYYZ Toronto Pearson Intl-PWM Portland

26h 16m1 stop Fort Myers SW Florida Intl

$583Multiple Airlines

Fri, Jan 29 - Mon, Feb 1

5:00 am - 4:33 pmPWM Portland-YYZ Toronto Pearson Intl

11h 33m1 stop Washington, D.C. Reagan-National

12:39 pm - 9:43 pmYYZ Toronto Pearson Intl-PWM Portland

9h 04m1 stop Washington, D.C. Reagan-National

$592American Airlines

Fri, Feb 5 - Sat, Feb 6

9:12 am - 1:43 pmPWM Portland-YYZ Toronto Pearson Intl

4h 31m1 stop Newark

2:57 pm - 8:42 pmYYZ Toronto Pearson Intl-PWM Portland

5h 45m1 stop Newark

$602United Airlines

Thu, Dec 3 - Mon, Dec 7

5:00 am - 4:33 pmPWM Portland-YYZ Toronto Pearson Intl

11h 33m1 stop Washington, D.C. Reagan-National

10:54 am - 9:43 pmYYZ Toronto Pearson Intl-PWM Portland

10h 49m2 stops New York LaGuardia Washington, D.C. Reagan-National

$606American Airlines

Fri, Jan 29 - Mon, Feb 1

6:42 pm - 11:47 pmPWM Portland-YYZ Toronto Pearson Intl

5h 05m1 stop Philadelphia

5:10 pm - 9:27 amYYZ Toronto Pearson Intl-PWM Portland

16h 17m1 stop Washington, D.C. Reagan-National

$608American Airlines

Mon, Nov 30 - Mon, Dec 7

Cheap last minute flights

Enter your travel dates to find the best prices.

5:50 am - 11:48 amPWM Portland-YYZ Toronto Pearson Intl

5h 58m1 stop Newark

6:40 pm - 11:21 pmYYZ Toronto Pearson Intl-PWM Portland

4h 41m1 stop Newark

$804United Airlines

Tue, Nov 10 - Wed, Nov 11

5:08 pm - 9:47 amPWM Portland-YYZ Toronto Pearson Intl

16h 39m1 stop Chicago O'Hare Intl

12:55 pm - 11:21 pmYYZ Toronto Pearson Intl-PWM Portland

10h 26m1 stop Newark

$811United Airlines

Mon, Nov 9 - Tue, Nov 10

5:08 pm - 9:47 amPWM Portland-YYZ Toronto Pearson Intl

16h 39m1 stop Chicago O'Hare Intl

12:00 pm - 11:21 pmYYZ Toronto Pearson Intl-PWM Portland

11h 21m2 stops Ottawa Newark

$924United Airlines

Mon, Nov 9 - Tue, Nov 10

5:35 am - 11:48 amPWM Portland-YYZ Toronto Pearson Intl

6h 13m1 stop Newark

12:00 pm - 11:21 pmYYZ Toronto Pearson Intl-PWM Portland

11h 21m2 stops Ottawa Newark

$948Air Canada

Mon, Nov 9 - Tue, Nov 10

6:17 am - 3:49 pmPWM Portland-YYZ Toronto Pearson Intl

9h 32m2 stops Washington, D.C. Reagan-National New York LaGuardia

5:14 pm - 10:29 pmYYZ Toronto Pearson Intl-PWM Portland

5h 15m1 stop Washington, D.C. Reagan-National

$964American Airlines

Tue, Nov 10 - Wed, Nov 11

6:17 am - 3:49 pmPWM Portland-YYZ Toronto Pearson Intl

9h 32m2 stops Washington, D.C. Reagan-National New York LaGuardia

1:45 pm - 10:29 pmYYZ Toronto Pearson Intl-PWM Portland

8h 44m2 stops New York LaGuardia Washington, D.C. Reagan-National

$1,121American Airlines

Tue, Nov 10 - Wed, Nov 11

10:31 am - 7:00 pmPWM Portland-YYZ Toronto Pearson Intl

8h 29m2 stops Washington, D.C. Reagan-National New York LaGuardia

7:00 am - 3:33 pmYYZ Toronto Pearson Intl-PWM Portland

8h 33m2 stops New York LaGuardia Washington, D.C. Reagan-National

$1,191American Airlines

Mon, Nov 9 - Tue, Nov 10

10:31 am - 7:00 pmPWM Portland-YYZ Toronto Pearson Intl

8h 29m2 stops Washington, D.C. Reagan-National New York LaGuardia

1:45 pm - 10:29 pmYYZ Toronto Pearson Intl-PWM Portland

8h 44m2 stops New York LaGuardia Washington, D.C. Reagan-National

$1,272American Airlines

Mon, Nov 9 - Tue, Nov 10

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Delta flights from Portland, Maine to Region of Ontario

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

Delta

Dec 4

PWM4:00 pmPortland

6h 54m

1 stop

YYZ10:54 pmToronto Pearson Intl

Dec 7

YYZ2:35 pmToronto Pearson Intl

8h 45m

1 stop

PWM11:20 pmPortland

$550

Delta

Dec 15

PWM11:40 amPortland

4h 39m

1 stop

YYZ4:19 pmToronto Pearson Intl

Dec 16

YYZ2:35 pmToronto Pearson Intl

8h 45m

1 stop

PWM11:20 pmPortland

$617

Delta

Nov 20

PWM6:00 amPortland

5h 19m

1 stop

YYZ11:19 amToronto Pearson Intl

Nov 22

YYZ6:04 pmToronto Pearson Intl

6h 15m

1 stop

PWM12:19 amPortland

$658

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

Nov 26

PWM10:34 amPortland

23h 29m

2 stops

YYZ10:03 amToronto Pearson Intl

Dec 2

YYZ12:30 pmToronto Pearson Intl

11h 01m

1 stop

PWM11:31 pmPortland

$570

American Airlines

Nov 26

PWM10:34 amPortland

25h 25m

1 stop

YYZ11:59 amToronto Pearson Intl

Dec 2

YYZ12:30 pmToronto Pearson Intl

11h 01m

1 stop

PWM11:31 pmPortland

$571

American Airlines

Nov 15

PWM6:17 amPortland

5h 42m

1 stop

YYZ11:59 amToronto Pearson Intl

Nov 21

YYZ5:13 pmToronto Pearson Intl

16h 51m

1 stop

PWM10:04 amPortland

$591

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

Fri 1/29

5:00 pm-7:11 pm

2 stops26h 11m

Toronto Pearson Intl

Fri 2/5

4:55 pm-5:51 pm

1 stop24h 56m

$473

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Fri 1/29

9:48 am-1:40 pm

1 stop27h 52m

Toronto Pearson Intl

Fri 2/5

4:55 pm-5:51 pm

1 stop24h 56m

$530

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Fri 12/4

4:00 pm-10:54 pm

1 stop6h 54m

Toronto Pearson Intl

Mon 12/7

2:35 pm-11:20 pm

1 stop8h 45m

$550

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Thu 11/26

10:34 am-10:03 am

2 stops23h 29m

Toronto Pearson Intl

Wed 12/2

12:30 pm-11:31 pm

1 stop11h 01m

$570

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Thu 11/26

10:34 am-11:59 am

1 stop25h 25m

Toronto Pearson Intl

Wed 12/2

12:30 pm-11:31 pm

1 stop11h 01m

$571

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Fri 1/29

9:48 am-12:15 am

1 stop14h 27m

Toronto Pearson Intl

Mon 2/1

7:05 am-9:21 am

1 stop26h 16m

$583

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Fri 2/5

5:00 am-4:33 pm

1 stop11h 33m

Toronto Pearson Intl

Sat 2/6

12:39 pm-9:43 pm

1 stop9h 04m

$592

Quickest round-trip

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Thu 12/3

9:12 am-1:43 pm

1 stop4h 31m

Toronto Pearson Intl

Mon 12/7

2:57 pm-8:42 pm

1 stop5h 45m

$602

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Fri 1/29

5:00 am-4:33 pm

1 stop11h 33m

Toronto Pearson Intl

Mon 2/1

10:54 am-9:43 pm

2 stops10h 49m

$606

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Mon 11/30

6:42 pm-11:47 pm

1 stop5h 05m

Toronto Pearson Intl

Mon 12/7

5:10 pm-9:27 am

1 stop16h 17m

$608

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

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

United Airlines and American 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 57% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 7 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	$195
Fastest flight time	4h 17m
Direct flights	None

The best one-way flight to Region of Ontario from Portland, Maine in the past 72 hours is $195. The best round-trip flight deal from Portland, Maine to Region of Ontario found on momondo in the last 72 hours is $473.

The fastest flight from Portland, Maine to Region of Ontario takes 4h 17m

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.