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$ 325 Cheap Flights from Portland to Ontario in 2025/26

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.

5:30 a.m. - 7:00 p.m.

PWM

YYZ

13h 30m2 stops

10:30 a.m. - 9:37 p.m.

YYZ

PWM

11h 07m2 stops

C$ 545American Airlines

Sat, 24 Jan - Sat, 31 Jan

5:30 a.m. - 7:00 p.m.

PWM

YYZ

13h 30m2 stops

5:15 p.m. - 12:06 p.m.

YYZ

PWM

18h 51m1 stop

C$ 567American Airlines

Sat, 10 Jan - Sun, 11 Jan

5:09 p.m. - 11:59 a.m.

PWM

YYZ

18h 50m1 stop

5:15 p.m. - 12:06 p.m.

YYZ

PWM

18h 51m1 stop

C$ 582American Airlines

Sat, 10 Jan - Sun, 11 Jan

11:01 a.m. - 2:54 p.m.

PWM

YUL

27h 53m1 stop

4:35 p.m. - 9:07 a.m.

YUL

PWM

16h 32m1 stop

C$ 583Multiple Airlines

Sun, 25 Jan - Sun, 1 Feb

5:20 a.m. - 4:35 p.m.

PWM

YYZ

11h 15m1 stop

10:59 a.m. - 11:43 p.m.

YYZ

PWM

12h 44m1 stop

C$ 585American Airlines

Wed, 7 Jan - Wed, 14 Jan

11:01 a.m. - 2:54 p.m.

PWM

YUL

27h 53m1 stop

4:35 p.m. - 9:07 a.m.

YUL

PWM

16h 32m1 stop

C$ 593Multiple Airlines

Sun, 25 Jan - Sun, 1 Feb

5:20 a.m. - 5:28 p.m.

PWM

YYZ

12h 08m2 stops

5:15 p.m. - 12:06 p.m.

YYZ

PWM

18h 51m1 stop

C$ 594American Airlines

Tue, 13 Jan - Fri, 16 Jan

11:01 a.m. - 12:43 a.m.

PWM

YUL

37h 42m2 stops

4:35 p.m. - 9:07 a.m.

YUL

PWM

16h 32m1 stop

C$ 594Multiple Airlines

Sun, 25 Jan - Sun, 1 Feb

11:01 a.m. - 12:43 a.m.

PWM

YUL

37h 42m2 stops

4:35 p.m. - 9:07 a.m.

YUL

PWM

16h 32m1 stop

C$ 604Multiple Airlines

Sun, 25 Jan - Sun, 1 Feb

2:35 p.m. - 10:56 p.m.

PWM

YYZ

8h 21m1 stop

6:00 a.m. - 1:45 p.m.

YYZ

PWM

7h 45m1 stop

C$ 616Delta

Tue, 20 Jan - Thu, 22 Jan

WestJet flights from Portland, Maine to Region of Ontario

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

WestJet

10 Jan

PWM6:00 a.m.Portland

10h 11m

1 stop

YYZ4:11 p.m.Toronto Pearson Intl

11 Jan

YYZ7:45 a.m.Toronto Pearson Intl

4h 23m

1 stop

PWM12:08 p.m.Portland

C$ 953

Find similar

WestJet

19 Feb

PWM6:00 a.m.Portland

7h 36m

1 stop

YUL1:36 p.m.Montreal Pierre Elliott Trudeau Intl

22 Feb

YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl

6h 00m

1 stop

PWM12:00 p.m.Portland

C$ 1,072

Find similar

WestJet

22 Jan

PWM6:00 a.m.Portland

18h 43m

2 stops

YUL12:43 a.m.Montreal Pierre Elliott Trudeau Intl

23 Jan

YUL7:30 p.m.Montreal Pierre Elliott Trudeau Intl

17h 00m

1 stop

PWM12:30 p.m.Portland

C$ 1,116

Find similar

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

15 May

PWM3:15 p.m.Portland

7h 14m

1 stop

YYZ10:29 p.m.Toronto Pearson Intl

20 May

YYZ7:30 a.m.Toronto Pearson Intl

6h 08m

1 stop

PWM1:38 p.m.Portland

C$ 963

Find similar

United Airlines

26 Jan

PWM2:31 p.m.Portland

4h 26m

1 stop

YYZ6:57 p.m.Toronto Pearson Intl

30 Jan

YYZ6:40 p.m.Toronto Pearson Intl

4h 50m

1 stop

PWM11:30 p.m.Portland

C$ 992

Find similar

United Airlines

2 Feb

PWM3:12 p.m.Portland

6h 30m

1 stop

YUL9:42 p.m.Montreal Pierre Elliott Trudeau Intl

4 Feb

YUL2:13 p.m.Montreal Pierre Elliott Trudeau Intl

4h 39m

1 stop

PWM6:52 p.m.Portland

C$ 996

Find similar

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

Sat 24/1

5:30 a.m.-7:00 p.m.

2 stops13h 30m

Toronto Pearson Intl

Sat 31/1

10:30 a.m.-9:37 p.m.

2 stops11h 07m

C$ 545

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Sat 10/1

5:30 a.m.-7:00 p.m.

2 stops13h 30m

Toronto Pearson Intl

Sun 11/1

5:15 p.m.-12:06 p.m.

1 stop18h 51m

C$ 567

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Sat 10/1

5:09 p.m.-11:59 a.m.

1 stop18h 50m

Toronto Pearson Intl

Sun 11/1

5:15 p.m.-12:06 p.m.

1 stop18h 51m

C$ 582

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sun 25/1

11:01 a.m.-2:54 p.m.

1 stop27h 53m

Montreal Pierre Elliott Trudeau Intl

Sun 1/2

4:35 p.m.-9:07 a.m.

1 stop16h 32m

C$ 583

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Wed 7/1

5:20 a.m.-4:35 p.m.

1 stop11h 15m

Toronto Pearson Intl

Wed 14/1

10:59 a.m.-11:43 p.m.

1 stop12h 44m

C$ 585

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sun 25/1

11:01 a.m.-2:54 p.m.

1 stop27h 53m

Montreal Pierre Elliott Trudeau Intl

Sun 1/2

4:35 p.m.-9:07 a.m.

1 stop16h 32m

C$ 593

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Tue 13/1

5:20 a.m.-5:28 p.m.

2 stops12h 08m

Toronto Pearson Intl

Fri 16/1

5:15 p.m.-12:06 p.m.

1 stop18h 51m

C$ 594

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sun 25/1

11:01 a.m.-12:43 a.m.

2 stops37h 42m

Montreal Pierre Elliott Trudeau Intl

Sun 1/2

4:35 p.m.-9:07 a.m.

1 stop16h 32m

C$ 594

PortlandMontreal

PWM - YUL

PWMYUL

Portland

Sun 25/1

11:01 a.m.-12:43 a.m.

2 stops37h 42m

Montreal Pierre Elliott Trudeau Intl

Sun 1/2

4:35 p.m.-9:07 a.m.

1 stop16h 32m

C$ 604

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Tue 20/1

2:35 p.m.-10:56 p.m.

1 stop8h 21m

Toronto Pearson Intl

Thu 22/1

6:00 a.m.-1:45 p.m.

1 stop7h 45m

C$ 616

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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?

KLM, United Airlines, and American 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 48% 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 52m
Direct flights	None

The fastest flight from Portland, Maine to Region of Ontario takes 4h 52m

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.