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$ 252 Cheap Flights from Portland to Ontario in 2026

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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.

3:39 p.m. - 11:11 p.m.

PWM

YYZ

7h 32m

1 stop

7:25 p.m. - 9:54 a.m.

YYZ

PWM

14h 29m

1 stop

C$ 528American Airlines

Wed, 8 Apr - Wed, 15 Apr

3:40 p.m. - 10:19 a.m.

PWM

YYZ

18h 39m

1 stop

7:25 p.m. - 9:54 a.m.

YYZ

PWM

14h 29m

1 stop

C$ 595American Airlines

Sat, 11 Apr - Tue, 14 Apr

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

PWM

YYZ

10h 13m

1 stop

4:50 p.m. - 9:12 a.m.

YYZ

PWM

16h 22m

1 stop

C$ 599Multiple Airlines

Fri, 12 Jun - Sun, 14 Jun

10:24 a.m. - 6:45 p.m.

PWM

YYZ

8h 21m

1 stop

3:15 p.m. - 9:54 a.m.

YYZ

PWM

18h 39m

1 stop

C$ 617American Airlines

Wed, 6 May - Sat, 9 May

3:39 p.m. - 11:11 p.m.

PWM

YYZ

7h 32m

1 stop

7:15 a.m. - 4:23 p.m.

YYZ

PWM

9h 08m

1 stop

C$ 631American Airlines

Thu, 30 Apr - Sun, 3 May

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

PWM

YYZ

12h 47m

1 stop

7:25 p.m. - 10:54 a.m.

YYZ

PWM

15h 29m

1 stop

C$ 643American Airlines

Fri, 1 May - Fri, 8 May

5:26 p.m. - 11:43 p.m.

PWM

YYZ

6h 17m

1 stop

6:00 a.m. - 2:11 p.m.

YYZ

PWM

8h 11m

1 stop

C$ 668Delta

Mon, 13 Apr - Mon, 20 Apr

11:35 a.m. - 6:51 p.m.

PWM

YUL

7h 16m

1 stop

2:29 p.m. - 11:18 p.m.

YUL

PWM

8h 49m

1 stop

C$ 763Delta

Tue, 5 May - Tue, 12 May

6:00 a.m. - 1:09 p.m.

PWM

YUL

7h 09m

1 stop

11:23 a.m. - 6:29 p.m.

YUL

PWM

7h 06m

1 stop

C$ 772United Airlines

Thu, 25 Jun - Sat, 4 Jul

3:22 p.m. - 10:06 p.m.

PWM

YUL

6h 44m

1 stop

6:10 a.m. - 9:40 p.m.

YUL

PWM

15h 30m

1 stop

C$ 792United Airlines

Mon, 13 Apr - Mon, 20 Apr

Delta flights from Portland, Maine to Region of Ontario

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

Delta

23 Jun

PWM5:59 p.m.Portland

5h 23m

1 stop

YYZ11:22 p.m.Toronto Pearson Intl

30 Jun

YYZ6:15 a.m.Toronto Pearson Intl

7h 06m

1 stop

PWM1:21 p.m.Portland

C$ 741

Delta

24 Jun

PWM6:00 a.m.Portland

17h 22m

1 stop

YYZ11:22 p.m.Toronto Pearson Intl

30 Jun

YYZ6:15 a.m.Toronto Pearson Intl

7h 06m

1 stop

PWM1:21 p.m.Portland

C$ 756

Delta

5 May

PWM11:35 a.m.Portland

7h 16m

1 stop

YUL6:51 p.m.Montreal Pierre Elliott Trudeau Intl

12 May

YUL2:29 p.m.Montreal Pierre Elliott Trudeau Intl

8h 49m

1 stop

PWM11:18 p.m.Portland

C$ 763

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

19 Jun

PWM6:19 p.m.Portland

5h 40m

1 stop

YYZ11:59 p.m.Toronto Pearson Intl

26 Jun

YYZ7:30 a.m.Toronto Pearson Intl

5h 55m

1 stop

PWM1:25 p.m.Portland

C$ 770

United Airlines

25 Jun

PWM6:00 a.m.Portland

7h 09m

1 stop

YUL1:09 p.m.Montreal Pierre Elliott Trudeau Intl

4 Jul

YUL11:23 a.m.Montreal Pierre Elliott Trudeau Intl

7h 06m

1 stop

PWM6:29 p.m.Portland

C$ 772

United Airlines

13 Apr

PWM3:22 p.m.Portland

6h 44m

1 stop

YUL10:06 p.m.Montreal Pierre Elliott Trudeau Intl

20 Apr

YUL6:10 a.m.Montreal Pierre Elliott Trudeau Intl

15h 30m

1 stop

PWM9:40 p.m.Portland

C$ 792

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 8/4

3:39 p.m.-11:11 p.m.

1 stop7h 32m

Toronto Pearson Intl

Wed 15/4

7:25 p.m.-9:54 a.m.

1 stop14h 29m

C$ 528

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Sat 11/4

3:40 p.m.-10:19 a.m.

1 stop18h 39m

Toronto Pearson Intl

Tue 14/4

7:25 p.m.-9:54 a.m.

1 stop14h 29m

C$ 595

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Fri 12/6

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

1 stop10h 13m

Toronto Pearson Intl

Sun 14/6

4:50 p.m.-9:12 a.m.

1 stop16h 22m

C$ 599

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Wed 6/5

10:24 a.m.-6:45 p.m.

1 stop8h 21m

Toronto Pearson Intl

Sat 9/5

3:15 p.m.-9:54 a.m.

1 stop18h 39m

C$ 617

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Thu 30/4

3:39 p.m.-11:11 p.m.

1 stop7h 32m

Toronto Pearson Intl

Sun 3/5

7:15 a.m.-4:23 p.m.

1 stop9h 08m

C$ 631

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Fri 1/5

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

1 stop12h 47m

Toronto Pearson Intl

Fri 8/5

7:25 p.m.-10:54 a.m.

1 stop15h 29m

C$ 643

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Mon 13/4

5:26 p.m.-11:43 p.m.

1 stop6h 17m

Toronto Pearson Intl

Mon 20/4

6:00 a.m.-2:11 p.m.

1 stop8h 11m

C$ 668

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Tue 5/5

11:35 a.m.-6:51 p.m.

1 stop7h 16m

Montreal Pierre Elliott Trudeau Intl

Tue 12/5

2:29 p.m.-11:18 p.m.

1 stop8h 49m

C$ 763

Quickest round-trip

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Thu 25/6

6:00 a.m.-1:09 p.m.

1 stop7h 09m

Montreal Pierre Elliott Trudeau Intl

Sat 4/7

11:23 a.m.-6:29 p.m.

1 stop7h 06m

C$ 772

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Mon 13/4

3:22 p.m.-10:06 p.m.

1 stop6h 44m

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

6:10 a.m.-9:40 p.m.

1 stop15h 30m

C$ 792

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 and United 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 29m
Direct flights	None

The fastest flight from Portland, Maine to Region of Ontario takes 4h 29m

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.