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$ 234 Cheap Flights from Portland to Ontario in 2026

1 adult

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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.

5:40 p.m. - 10:59 a.m.

PWM

YYZ

17h 19m

1 stop

6:00 a.m. - 5:27 p.m.

YYZ

PWM

11h 27m

1 stop

C$ 581American Airlines

Tue, 24 Feb - Sat, 28 Feb

5:40 p.m. - 10:59 a.m.

PWM

YYZ

17h 19m

1 stop

6:00 a.m. - 11:34 p.m.

YYZ

PWM

17h 34m

1 stop

C$ 593American Airlines

Fri, 27 Feb - Sat, 21 Mar

5:06 p.m. - 12:14 a.m.

PWM

YYZ

31h 08m

2 stops

7:15 a.m. - 10:17 a.m.

YYZ

PWM

27h 02m

1 stop

C$ 603Multiple Airlines

Mon, 23 Feb - Tue, 3 Mar

5:06 p.m. - 12:14 a.m.

PWM

YYZ

31h 08m

2 stops

7:15 a.m. - 10:17 a.m.

YYZ

PWM

27h 02m

1 stop

C$ 619Multiple Airlines

Mon, 23 Feb - Tue, 3 Mar

9:52 a.m. - 8:05 p.m.

PWM

YYZ

10h 13m

1 stop

1:30 p.m. - 2:31 p.m.

YYZ

PWM

25h 01m

2 stops

C$ 623Multiple Airlines

Fri, 8 May - Mon, 11 May

10:24 a.m. - 11:11 p.m.

PWM

YYZ

12h 47m

1 stop

7:29 p.m. - 9:54 a.m.

YYZ

PWM

14h 25m

1 stop

C$ 648American Airlines

Fri, 8 May - Mon, 11 May

5:57 p.m. - 10:58 a.m.

PWM

YYZ

17h 01m

1 stop

1:55 p.m. - 11:50 p.m.

YYZ

PWM

9h 55m

2 stops

C$ 676American Airlines

Sat, 28 Feb - Tue, 3 Mar

11:30 a.m. - 7:41 a.m.

PWM

YUL

20h 11m

2 stops

8:00 p.m. - 3:14 p.m.

YUL

PWM

19h 14m

2 stops

C$ 781United Airlines

Fri, 13 Mar - Fri, 20 Mar

7:33 p.m. - 7:45 p.m.

PWM

YUL

24h 12m

1 stop

6:35 p.m. - 7:01 p.m.

YUL

PWM

24h 26m

1 stop

C$ 825United Airlines

Mon, 30 Mar - Fri, 3 Apr

11:45 a.m. - 6:35 p.m.

PWM

YUL

6h 50m

1 stop

2:29 p.m. - 11:24 p.m.

YUL

PWM

8h 55m

1 stop

C$ 848Delta

Fri, 10 Apr - Mon, 13 Apr

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

25 Apr

PWM5:45 p.m.Portland

17h 14m

1 stop

YYZ10:59 a.m.Toronto Pearson Intl

29 Apr

YYZ6:15 a.m.Toronto Pearson Intl

11h 00m

1 stop

PWM5:15 p.m.Portland

C$ 578

American Airlines

27 Feb

PWM5:40 p.m.Portland

17h 19m

1 stop

YYZ10:59 a.m.Toronto Pearson Intl

21 Mar

YYZ6:00 a.m.Toronto Pearson Intl

17h 34m

1 stop

PWM11:34 p.m.Portland

C$ 593

American Airlines

8 May

PWM10:24 a.m.Portland

12h 47m

1 stop

YYZ11:11 p.m.Toronto Pearson Intl

11 May

YYZ7:29 p.m.Toronto Pearson Intl

14h 25m

1 stop

PWM9:54 a.m.Portland

C$ 648

WestJet flights from Portland, Maine to Region of Ontario

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

WestJet

23 Feb

PWM5:59 p.m.Portland

4h 52m

1 stop

YYZ10:51 p.m.Toronto Pearson Intl

3 Mar

YYZ12:11 p.m.Toronto Pearson Intl

23h 49m

1 stop

PWM12:00 p.m.Portland

C$ 770

WestJet

23 Feb

PWM5:59 p.m.Portland

4h 52m

1 stop

YYZ10:51 p.m.Toronto Pearson Intl

3 Mar

YYZ5:15 p.m.Toronto Pearson Intl

18h 45m

1 stop

PWM12:00 p.m.Portland

C$ 793

WestJet

6 Feb

PWM5:59 p.m.Portland

4h 52m

1 stop

YYZ10:51 p.m.Toronto Pearson Intl

9 Feb

YYZ7:45 a.m.Toronto Pearson Intl

4h 18m

1 stop

PWM12:03 p.m.Portland

C$ 961

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

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Tue 24/2

5:40 p.m.-10:59 a.m.

1 stop17h 19m

Toronto Pearson Intl

Sat 28/2

6:00 a.m.-5:27 p.m.

1 stop11h 27m

C$ 581

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Fri 27/2

5:40 p.m.-10:59 a.m.

1 stop17h 19m

Toronto Pearson Intl

Sat 21/3

6:00 a.m.-11:34 p.m.

1 stop17h 34m

C$ 593

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Mon 23/2

5:06 p.m.-12:14 a.m.

2 stops31h 08m

Toronto Pearson Intl

Tue 3/3

7:15 a.m.-10:17 a.m.

1 stop27h 02m

C$ 603

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Mon 23/2

5:06 p.m.-12:14 a.m.

2 stops31h 08m

Toronto Pearson Intl

Tue 3/3

7:15 a.m.-10:17 a.m.

1 stop27h 02m

C$ 619

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Fri 8/5

9:52 a.m.-8:05 p.m.

1 stop10h 13m

Toronto Pearson Intl

Mon 11/5

1:30 p.m.-2:31 p.m.

2 stops25h 01m

C$ 623

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Fri 8/5

10:24 a.m.-11:11 p.m.

1 stop12h 47m

Toronto Pearson Intl

Mon 11/5

7:29 p.m.-9:54 a.m.

1 stop14h 25m

C$ 648

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Sat 28/2

5:57 p.m.-10:58 a.m.

1 stop17h 01m

Toronto Pearson Intl

Tue 3/3

1:55 p.m.-11:50 p.m.

2 stops9h 55m

C$ 676

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 13/3

11:30 a.m.-7:41 a.m.

2 stops20h 11m

Montreal Pierre Elliott Trudeau Intl

Fri 20/3

8:00 p.m.-3:14 p.m.

2 stops19h 14m

C$ 781

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Mon 30/3

7:33 p.m.-7:45 p.m.

1 stop24h 12m

Montreal Pierre Elliott Trudeau Intl

Fri 3/4

6:35 p.m.-7:01 p.m.

1 stop24h 26m

C$ 825

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 10/4

11:45 a.m.-6:35 p.m.

1 stop6h 50m

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

2:29 p.m.-11:24 p.m.

1 stop8h 55m

C$ 848

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?

American Airlines, Sun Country Air, and United Airlines are the most popular carriers operating from Portland to Ontario

Which 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 45% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 3 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

Fastest flight time	4h 48m
Direct flights	None

The fastest flight from Portland, Maine to Region of Ontario takes 4h 48m

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

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.