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$ 275 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 p.m. - 7:11 p.m.PWM Portland-YYZ Toronto Pearson Intl

26h 11m2 stops Charleston Tampa

4:55 p.m. - 5:51 p.m.YYZ Toronto Pearson Intl-PWM Portland

24h 56m1 stop Tampa

C$ 666Multiple Airlines

Fri, 29 Jan - Fri, 5 Feb

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

27h 52m1 stop Orlando

4:55 p.m. - 5:51 p.m.YYZ Toronto Pearson Intl-PWM Portland

24h 56m1 stop Tampa

C$ 746Multiple Airlines

Fri, 29 Jan - Fri, 5 Feb

10:34 a.m. - 10:03 a.m.PWM Portland-YYZ Toronto Pearson Intl

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

12:30 p.m. - 11:31 p.m.YYZ Toronto Pearson Intl-PWM Portland

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

C$ 802American Airlines

Thu, 26 Nov - Wed, 2 Dec

10:34 a.m. - 11:59 a.m.PWM Portland-YYZ Toronto Pearson Intl

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

12:30 p.m. - 11:31 p.m.YYZ Toronto Pearson Intl-PWM Portland

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

C$ 804American Airlines

Thu, 26 Nov - Wed, 2 Dec

9:48 a.m. - 12:15 a.m.PWM Portland-YYZ Toronto Pearson Intl

14h 27m1 stop Orlando

7:05 a.m. - 9:21 a.m.YYZ Toronto Pearson Intl-PWM Portland

26h 16m1 stop Fort Myers SW Florida Intl

C$ 821Multiple Airlines

Fri, 29 Jan - Mon, 1 Feb

5:00 a.m. - 4:33 p.m.PWM Portland-YYZ Toronto Pearson Intl

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

12:39 p.m. - 9:43 p.m.YYZ Toronto Pearson Intl-PWM Portland

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

C$ 833American Airlines

Fri, 5 Feb - Sat, 6 Feb

5:00 a.m. - 3:46 p.m.PWM Portland-YYZ Toronto Pearson Intl

10h 46m2 stops Washington, D.C. Reagan-National New York LaGuardia

12:39 p.m. - 9:43 p.m.YYZ Toronto Pearson Intl-PWM Portland

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

C$ 848American Airlines

Fri, 5 Feb - Sat, 6 Feb

5:00 a.m. - 4:33 p.m.PWM Portland-YYZ Toronto Pearson Intl

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

10:54 a.m. - 9:43 p.m.YYZ Toronto Pearson Intl-PWM Portland

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

C$ 853American Airlines

Fri, 29 Jan - Mon, 1 Feb

10:55 a.m. - 3:34 p.m.PWM Portland-YYZ Toronto Pearson Intl

4h 39m1 stop Philadelphia

5:10 p.m. - 9:27 a.m.YYZ Toronto Pearson Intl-PWM Portland

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

C$ 855American Airlines

Wed, 2 Dec - Mon, 7 Dec

6:42 p.m. - 11:47 p.m.PWM Portland-YYZ Toronto Pearson Intl

5h 05m1 stop Philadelphia

5:10 p.m. - 9:27 a.m.YYZ Toronto Pearson Intl-PWM Portland

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

C$ 856American Airlines

Mon, 30 Nov - Mon, 7 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

6:25 a.m. - 1:40 p.m.PWM Portland-YYZ Toronto Pearson Intl

7h 15m1 stop New York LaGuardia

6:00 a.m. - 3:16 p.m.YYZ Toronto Pearson Intl-PWM Portland

9h 16m1 stop New York John F Kennedy Intl

C$ 1,060Delta

Sat, 7 Nov - Sat, 14 Nov

5:50 a.m. - 11:48 a.m.PWM Portland-YYZ Toronto Pearson Intl

5h 58m1 stop Newark

6:40 p.m. - 11:21 p.m.YYZ Toronto Pearson Intl-PWM Portland

4h 41m1 stop Newark

C$ 1,132United Airlines

Tue, 10 Nov - Wed, 11 Nov

6:17 a.m. - 11:59 a.m.PWM Portland-YYZ Toronto Pearson Intl

5h 42m1 stop Washington, D.C. Reagan-National

5:14 p.m. - 9:39 p.m.YYZ Toronto Pearson Intl-PWM Portland

4h 25m1 stop Washington, D.C. Reagan-National

C$ 1,135American Airlines

Sat, 7 Nov - Sat, 7 Nov

5:08 p.m. - 9:47 a.m.PWM Portland-YYZ Toronto Pearson Intl

16h 39m1 stop Chicago O'Hare Intl

12:55 p.m. - 11:21 p.m.YYZ Toronto Pearson Intl-PWM Portland

10h 26m1 stop Newark

C$ 1,142United Airlines

Mon, 9 Nov - Tue, 10 Nov

5:08 p.m. - 9:47 a.m.PWM Portland-YYZ Toronto Pearson Intl

16h 39m1 stop Chicago O'Hare Intl

12:55 p.m. - 11:21 p.m.YYZ Toronto Pearson Intl-PWM Portland

10h 26m1 stop Newark

C$ 1,157United Airlines

Mon, 9 Nov - Tue, 10 Nov

8:49 a.m. - 6:55 p.m.PWM Portland-YYZ Toronto Pearson Intl

10h 06m2 stops Newark Montreal Pierre Elliott Trudeau Intl

9:10 p.m. - 9:00 a.m.YYZ Toronto Pearson Intl-PWM Portland

11h 50m1 stop Newark

C$ 1,276Air Canada

Sat, 7 Nov - Sat, 7 Nov

5:08 p.m. - 9:47 a.m.PWM Portland-YYZ Toronto Pearson Intl

16h 39m1 stop Chicago O'Hare Intl

12:00 p.m. - 11:21 p.m.YYZ Toronto Pearson Intl-PWM Portland

11h 21m2 stops Ottawa Newark

C$ 1,301United Airlines

Mon, 9 Nov - Tue, 10 Nov

5:35 a.m. - 11:48 a.m.PWM Portland-YYZ Toronto Pearson Intl

6h 13m1 stop Newark

12:00 p.m. - 11:21 p.m.YYZ Toronto Pearson Intl-PWM Portland

11h 21m2 stops Ottawa Newark

C$ 1,335Air Canada

Mon, 9 Nov - Tue, 10 Nov

3:41 p.m. - 11:26 p.m.PWM Portland-YYZ Toronto Pearson Intl

7h 45m1 stop Newark

12:00 p.m. - 11:21 p.m.YYZ Toronto Pearson Intl-PWM Portland

11h 21m2 stops Ottawa Newark

C$ 1,350Air Canada

Mon, 9 Nov - Tue, 10 Nov

6:17 a.m. - 3:49 p.m.PWM Portland-YYZ Toronto Pearson Intl

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

5:14 p.m. - 10:29 p.m.YYZ Toronto Pearson Intl-PWM Portland

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

C$ 1,357American Airlines

Tue, 10 Nov - Wed, 11 Nov

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Air Canada flights from Portland, Maine to Region of Ontario

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

Air Canada

28 Nov

PWM6:00 a.m.Portland

10h 46m

2 stops

YYZ4:46 p.m.Toronto Pearson Intl

5 Dec

YYZ7:43 a.m.Toronto Pearson Intl

11h 42m

1 stop

PWM7:25 p.m.Portland

C$ 884

Air Canada

5 Dec

PWM9:12 a.m.Portland

6h 44m

1 stop

YYZ3:56 p.m.Toronto Pearson Intl

9 Dec

YYZ12:00 p.m.Toronto Pearson Intl

11h 24m

2 stops

PWM11:24 p.m.Portland

C$ 1,018

Air Canada

5 Dec

PWM9:12 a.m.Portland

6h 44m

1 stop

YYZ3:56 p.m.Toronto Pearson Intl

9 Dec

YYZ12:00 p.m.Toronto Pearson Intl

8h 42m

2 stops

PWM8:42 p.m.Portland

C$ 1,033

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

1 Dec

PWM3:20 p.m.Portland

6h 04m

1 stop

YYZ9:24 p.m.Toronto Pearson Intl

2 Dec

YYZ2:57 p.m.Toronto Pearson Intl

8h 27m

1 stop

PWM11:24 p.m.Portland

C$ 859

United Airlines

16 Nov

PWM5:08 p.m.Portland

16h 39m

1 stop

YYZ9:47 a.m.Toronto Pearson Intl

17 Nov

YYZ12:55 p.m.Toronto Pearson Intl

10h 26m

1 stop

PWM11:21 p.m.Portland

C$ 867

United Airlines

5 Dec

PWM4:47 p.m.Portland

7h 12m

1 stop

YYZ11:59 p.m.Toronto Pearson Intl

9 Dec

YYZ10:00 a.m.Toronto Pearson Intl

4h 37m

1 stop

PWM2:37 p.m.Portland

C$ 874

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 29/1

5:00 p.m.-7:11 p.m.

2 stops26h 11m

Toronto Pearson Intl

Fri 5/2

4:55 p.m.-5:51 p.m.

1 stop24h 56m

C$ 666

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Fri 29/1

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

1 stop27h 52m

Toronto Pearson Intl

Fri 5/2

4:55 p.m.-5:51 p.m.

1 stop24h 56m

C$ 746

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Thu 26/11

10:34 a.m.-10:03 a.m.

2 stops23h 29m

Toronto Pearson Intl

Wed 2/12

12:30 p.m.-11:31 p.m.

1 stop11h 01m

C$ 802

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Thu 26/11

10:34 a.m.-11:59 a.m.

1 stop25h 25m

Toronto Pearson Intl

Wed 2/12

12:30 p.m.-11:31 p.m.

1 stop11h 01m

C$ 804

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Fri 29/1

9:48 a.m.-12:15 a.m.

1 stop14h 27m

Toronto Pearson Intl

Mon 1/2

7:05 a.m.-9:21 a.m.

1 stop26h 16m

C$ 821

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Fri 5/2

5:00 a.m.-4:33 p.m.

1 stop11h 33m

Toronto Pearson Intl

Sat 6/2

12:39 p.m.-9:43 p.m.

1 stop9h 04m

C$ 833

Quickest round-trip

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Fri 5/2

5:00 a.m.-3:46 p.m.

2 stops10h 46m

Toronto Pearson Intl

Sat 6/2

12:39 p.m.-9:43 p.m.

1 stop9h 04m

C$ 848

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Fri 29/1

5:00 a.m.-4:33 p.m.

1 stop11h 33m

Toronto Pearson Intl

Mon 1/2

10:54 a.m.-9:43 p.m.

2 stops10h 49m

C$ 853

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Wed 2/12

10:55 a.m.-3:34 p.m.

1 stop4h 39m

Toronto Pearson Intl

Mon 7/12

5:10 p.m.-9:27 a.m.

1 stop16h 17m

C$ 855

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Mon 30/11

6:42 p.m.-11:47 p.m.

1 stop5h 05m

Toronto Pearson Intl

Mon 7/12

5:10 p.m.-9:27 a.m.

1 stop16h 17m

C$ 856

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

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$ 275
Fastest flight time	5h 20m
Direct flights	None

The best one-way flight to Region of Ontario from Portland, Maine in the past 72 hours is C$ 275. The best round-trip flight deal from Portland, Maine to Region of Ontario found on momondo in the last 72 hours is C$ 666.

The fastest flight from Portland, Maine to Region of Ontario takes 5h 20m

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.