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$ 299 Cheap Flights from Portland, Maine to Ontario in 2026

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.

6:31 p.m. - 5:40 p.m.

PWM

YYZ

23h 09m

1 stop

5:15 p.m. - 9:08 a.m.

YYZ

PWM

15h 53m

1 stop

C$ 614Multiple Airlines

Wed, 11 Nov - Thu, 19 Nov

2:35 p.m. - 10:51 p.m.

PWM

YYZ

8h 16m

1 stop

6:00 a.m. - 1:53 p.m.

YYZ

PWM

7h 53m

1 stop

C$ 634Delta

Wed, 11 Nov - Mon, 16 Nov

6:00 a.m. - 1:39 p.m.

PWM

YYZ

7h 39m

1 stop

12:10 p.m. - 11:49 p.m.

YYZ

PWM

11h 39m

1 stop

C$ 650Delta

Thu, 29 Oct - Sat, 7 Nov

1:25 p.m. - 11:13 p.m.

PWM

YYZ

9h 48m

1 stop

7:25 p.m. - 10:33 a.m.

YYZ

PWM

15h 08m

1 stop

C$ 651American Airlines

Thu, 16 Jul - Mon, 20 Jul

2:35 p.m. - 10:51 p.m.

PWM

YYZ

8h 16m

1 stop

12:05 p.m. - 7:29 p.m.

YYZ

PWM

7h 24m

1 stop

C$ 659Delta

Tue, 10 Nov - Thu, 19 Nov

1:25 p.m. - 11:13 p.m.

PWM

YYZ

9h 48m

1 stop

7:25 p.m. - 9:22 a.m.

YYZ

PWM

13h 57m

1 stop

C$ 671American Airlines

Wed, 8 Jul - Fri, 10 Jul

6:25 a.m. - 1:41 p.m.

PWM

YYZ

7h 16m

1 stop

6:04 a.m. - 2:19 p.m.

YYZ

PWM

8h 15m

1 stop

C$ 672Delta

Tue, 21 Jul - Tue, 28 Jul

5:15 a.m. - 10:04 a.m.

PWM

YYZ

4h 49m

1 stop

7:30 a.m. - 1:25 p.m.

YYZ

PWM

5h 55m

1 stop

C$ 680United Airlines

Tue, 14 Jul - Wed, 15 Jul

1:25 p.m. - 9:48 a.m.

PWM

YUL

20h 23m

1 stop

10:30 a.m. - 12:35 p.m.

YUL

PWM

26h 05m

1 stop

C$ 738American Airlines

Fri, 24 Jul - Tue, 28 Jul

6:00 a.m. - 10:06 p.m.

PWM

YUL

16h 06m

1 stop

3:25 p.m. - 11:30 p.m.

YUL

PWM

8h 05m

1 stop

C$ 832United Airlines

Tue, 14 Jul - Mon, 20 Jul

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

16 Jul

PWM1:25 p.m.Portland

9h 48m

1 stop

YYZ11:13 p.m.Toronto Pearson Intl

20 Jul

YYZ7:25 p.m.Toronto Pearson Intl

15h 08m

1 stop

PWM10:33 a.m.Portland

C$ 651

American Airlines

8 Jul

PWM1:25 p.m.Portland

9h 48m

1 stop

YYZ11:13 p.m.Toronto Pearson Intl

10 Jul

YYZ7:25 p.m.Toronto Pearson Intl

13h 57m

1 stop

PWM9:22 a.m.Portland

C$ 671

American Airlines

28 Jul

PWM6:00 a.m.Portland

11h 34m

1 stop

YYZ5:34 p.m.Toronto Pearson Intl

30 Jul

YYZ6:15 a.m.Toronto Pearson Intl

16h 18m

1 stop

PWM10:33 p.m.Portland

C$ 738

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

14 Jul

PWM5:15 a.m.Portland

4h 49m

1 stop

YYZ10:04 a.m.Toronto Pearson Intl

15 Jul

YYZ7:30 a.m.Toronto Pearson Intl

5h 55m

1 stop

PWM1:25 p.m.Portland

C$ 680

United Airlines

30 Jun

PWM8:15 p.m.Portland

13h 04m

1 stop

YYZ9:19 a.m.Toronto Pearson Intl

2 Jul

YYZ7:00 a.m.Toronto Pearson Intl

7h 31m

1 stop

PWM2:31 p.m.Portland

C$ 696

United Airlines

3 Nov

PWM6:00 a.m.Portland

5h 48m

1 stop

YYZ11:48 a.m.Toronto Pearson Intl

3 Nov

YYZ2:50 p.m.Toronto Pearson Intl

4h 34m

1 stop

PWM7:24 p.m.Portland

C$ 722

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 - YYZ

PWMYYZ

Portland

Wed 11/11

6:31 p.m.-5:40 p.m.

1 stop23h 09m

Toronto Pearson Intl

Thu 19/11

5:15 p.m.-9:08 a.m.

1 stop15h 53m

C$ 614

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Wed 11/11

2:35 p.m.-10:51 p.m.

1 stop8h 16m

Toronto Pearson Intl

Mon 16/11

6:00 a.m.-1:53 p.m.

1 stop7h 53m

C$ 634

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Thu 29/10

6:00 a.m.-1:39 p.m.

1 stop7h 39m

Toronto Pearson Intl

Sat 7/11

12:10 p.m.-11:49 p.m.

1 stop11h 39m

C$ 650

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Thu 16/7

1:25 p.m.-11:13 p.m.

1 stop9h 48m

Toronto Pearson Intl

Mon 20/7

7:25 p.m.-10:33 a.m.

1 stop15h 08m

C$ 651

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Tue 10/11

2:35 p.m.-10:51 p.m.

1 stop8h 16m

Toronto Pearson Intl

Thu 19/11

12:05 p.m.-7:29 p.m.

1 stop7h 24m

C$ 659

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Wed 8/7

1:25 p.m.-11:13 p.m.

1 stop9h 48m

Toronto Pearson Intl

Fri 10/7

7:25 p.m.-9:22 a.m.

1 stop13h 57m

C$ 671

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Tue 21/7

6:25 a.m.-1:41 p.m.

1 stop7h 16m

Toronto Pearson Intl

Tue 28/7

6:04 a.m.-2:19 p.m.

1 stop8h 15m

C$ 672

Quickest round-trip

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Tue 14/7

5:15 a.m.-10:04 a.m.

1 stop4h 49m

Toronto Pearson Intl

Wed 15/7

7:30 a.m.-1:25 p.m.

1 stop5h 55m

C$ 680

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Fri 24/7

1:25 p.m.-9:48 a.m.

1 stop20h 23m

Montreal Pierre Elliott Trudeau Intl

Tue 28/7

10:30 a.m.-12:35 p.m.

1 stop26h 05m

C$ 738

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Tue 14/7

6:00 a.m.-10:06 p.m.

1 stop16h 06m

Montreal Pierre Elliott Trudeau Intl

Mon 20/7

3:25 p.m.-11:30 p.m.

1 stop8h 05m

C$ 832

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

Fastest flight time	4h 19m
Direct flights	None

The fastest flight from Portland, Maine to Region of Ontario takes 4h 19m

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.