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$ 306 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.

11:50 a.m. - 11:59 p.m.PWM Portland-YYZ Toronto Pearson Intl

12h 09m2 stops Minneapolis St Paul Edmonton

5:05 p.m. - 11:30 p.m.YYZ Toronto Pearson Intl-PWM Portland

6h 25m1 stop New York LaGuardia

C$ 647WestJet

Tue, 25 Aug - Mon, 31 Aug

11:50 a.m. - 6:34 p.m.PWM Portland-YYZ Toronto Pearson Intl

6h 44m1 stop Minneapolis St Paul

5:05 p.m. - 11:30 p.m.YYZ Toronto Pearson Intl-PWM Portland

6h 25m1 stop New York LaGuardia

C$ 653WestJet

Tue, 25 Aug - Mon, 31 Aug

6:00 a.m. - 11:25 a.m.PWM Portland-YYZ Toronto Pearson Intl

5h 25m1 stop New York John F Kennedy Intl

7:55 a.m. - 3:58 p.m.YYZ Toronto Pearson Intl-PWM Portland

8h 03m1 stop New York LaGuardia

C$ 670Delta

Sat, 22 Aug - Sat, 29 Aug

7:35 a.m. - 2:30 p.m.PWM Portland-YYZ Toronto Pearson Intl

30h 55m2 stops Pittsburgh Orlando

9:50 a.m. - 9:08 a.m.YYZ Toronto Pearson Intl-PWM Portland

23h 18m1 stop Orlando

C$ 686Multiple Airlines

Tue, 22 Sep - Tue, 29 Sep

6:00 a.m. - 11:25 a.m.PWM Portland-YYZ Toronto Pearson Intl

5h 25m1 stop New York John F Kennedy Intl

6:00 a.m. - 12:32 p.m.YYZ Toronto Pearson Intl-PWM Portland

6h 32m1 stop New York LaGuardia

C$ 693Delta

Sat, 22 Aug - Mon, 31 Aug

6:00 a.m. - 4:45 p.m.PWM Portland-YYZ Toronto Pearson Intl

10h 45m1 stop Washington, D.C. Reagan-National

11:02 a.m. - 9:45 p.m.YYZ Toronto Pearson Intl-PWM Portland

10h 43m1 stop Washington, D.C. Reagan-National

C$ 695American Airlines

Sat, 19 Sep - Sat, 26 Sep

11:50 a.m. - 1:05 a.m.PWM Portland-YYZ Toronto Pearson Intl

13h 15m2 stops Minneapolis St Paul Calgary

12:09 p.m. - 12:02 p.m.YYZ Toronto Pearson Intl-PWM Portland

23h 53m1 stop Detroit Metropolitan Wayne County

C$ 710WestJet

Tue, 25 Aug - Thu, 27 Aug

4:47 p.m. - 10:56 p.m.PWM Portland-YYZ Toronto Pearson Intl

6h 09m1 stop Detroit Metropolitan Wayne County

12:10 p.m. - 4:02 p.m.YYZ Toronto Pearson Intl-PWM Portland

3h 52m1 stop Detroit Metropolitan Wayne County

C$ 712WestJet

Fri, 6 Nov - Sun, 8 Nov

6:00 a.m. - 8:55 p.m.PWM Portland-YYZ Toronto Pearson Intl

14h 55m2 stops Cincinnati Cinci./N. Kentucky Fort Lauderdale

1:30 p.m. - 9:21 a.m.YYZ Toronto Pearson Intl-PWM Portland

19h 51m1 stop Fort Myers SW Florida Intl

C$ 714Multiple Airlines

Fri, 11 Sep - Sat, 19 Sep

6:00 a.m. - 11:25 a.m.PWM Portland-YYZ Toronto Pearson Intl

5h 25m1 stop New York John F Kennedy Intl

6:00 a.m. - 10:21 a.m.YYZ Toronto Pearson Intl-PWM Portland

4h 21m1 stop New York LaGuardia

C$ 717Delta

Fri, 21 Aug - Mon, 24 Aug

Cheap last-minute flights

Enter your travel dates to find the best prices.

6:46 p.m. - 11:46 p.m.PWM Portland-YYZ Toronto Pearson Intl

5h 00m1 stop Philadelphia

6:08 p.m. - 11:41 p.m.YYZ Toronto Pearson Intl-PWM Portland

5h 33m1 stop Philadelphia

C$ 1,061American Airlines

Tue, 11 Aug - Thu, 13 Aug

7:35 a.m. - 3:46 p.m.PWM Portland-YYZ Toronto Pearson Intl

8h 11m1 stop Chicago O'Hare Intl

10:45 a.m. - 11:32 p.m.YYZ Toronto Pearson Intl-PWM Portland

12h 47m1 stop Newark

C$ 1,117United Airlines

Tue, 11 Aug - Wed, 12 Aug

11:50 a.m. - 1:05 a.m.PWM Portland-YYZ Toronto Pearson Intl

13h 15m2 stops Minneapolis St Paul Calgary

6:00 a.m. - 10:21 a.m.YYZ Toronto Pearson Intl-PWM Portland

4h 21m1 stop New York LaGuardia

C$ 1,153WestJet

Mon, 10 Aug - Tue, 11 Aug

11:50 a.m. - 11:10 p.m.PWM Portland-YYZ Toronto Pearson Intl

11h 20m1 stop Minneapolis St Paul

6:00 a.m. - 10:21 a.m.YYZ Toronto Pearson Intl-PWM Portland

4h 21m1 stop New York LaGuardia

C$ 1,159WestJet

Mon, 10 Aug - Tue, 11 Aug

5:03 p.m. - 11:59 p.m.PWM Portland-YYZ Toronto Pearson Intl

6h 56m1 stop Chicago O'Hare Intl

12:45 p.m. - 11:59 p.m.YYZ Toronto Pearson Intl-PWM Portland

11h 14m1 stop Washington, D.C. Dulles Intl

C$ 1,169United Airlines

Wed, 12 Aug - Thu, 13 Aug

3:45 p.m. - 10:23 p.m.PWM Portland-YYZ Toronto Pearson Intl

6h 38m1 stop Newark

2:05 p.m. - 11:32 p.m.YYZ Toronto Pearson Intl-PWM Portland

9h 27m2 stops Ottawa Newark

C$ 1,244United Airlines

Tue, 11 Aug - Wed, 12 Aug

10:45 a.m. - 4:05 p.m.PWM Portland-YYZ Toronto Pearson Intl

5h 20m1 stop Newark

2:05 p.m. - 11:32 p.m.YYZ Toronto Pearson Intl-PWM Portland

9h 27m2 stops Ottawa Newark

C$ 1,296Multiple Airlines

Tue, 11 Aug - Thu, 13 Aug

5:15 a.m. - 1:08 p.m.PWM Portland-YYZ Toronto Pearson Intl

7h 53m2 stops Washington, D.C. Dulles Intl Ottawa

2:05 p.m. - 11:32 p.m.YYZ Toronto Pearson Intl-PWM Portland

9h 27m2 stops Ottawa Newark

C$ 1,303United Airlines

Wed, 12 Aug - Thu, 13 Aug

12:47 p.m. - 3:20 p.m.PWM Portland-YYZ Toronto Pearson Intl

26h 33m1 stop Detroit Metropolitan Wayne County

6:30 p.m. - 11:30 p.m.YYZ Toronto Pearson Intl-PWM Portland

29h 00m2 stops Calgary New York John F Kennedy Intl

C$ 1,318WestJet

Wed, 12 Aug - Thu, 13 Aug

6:00 a.m. - 4:10 p.m.PWM Portland-YUL Montreal Pierre Elliott Trudeau Intl

10h 10m1 stop Newark

8:15 a.m. - 11:32 p.m.YUL Montreal Pierre Elliott Trudeau Intl-PWM Portland

15h 17m1 stop Newark

C$ 1,350United Airlines

Thu, 13 Aug - Sat, 15 Aug

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WestJet flights from Portland, Maine to Region of Ontario

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

WestJet

25 Aug

PWM11:50 a.m.Portland

12h 09m

2 stops

YYZ11:59 p.m.Toronto Pearson Intl

31 Aug

YYZ5:05 p.m.Toronto Pearson Intl

6h 25m

1 stop

PWM11:30 p.m.Portland

C$ 647

WestJet

25 Aug

PWM11:50 a.m.Portland

6h 44m

1 stop

YYZ6:34 p.m.Toronto Pearson Intl

31 Aug

YYZ5:05 p.m.Toronto Pearson Intl

6h 25m

1 stop

PWM11:30 p.m.Portland

C$ 653

WestJet

6 Nov

PWM4:47 p.m.Portland

6h 09m

1 stop

YYZ10:56 p.m.Toronto Pearson Intl

8 Nov

YYZ12:10 p.m.Toronto Pearson Intl

3h 52m

1 stop

PWM4:02 p.m.Portland

C$ 712

Delta flights from Portland, Maine to Region of Ontario

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

Delta

22 Aug

PWM6:00 a.m.Portland

5h 25m

1 stop

YYZ11:25 a.m.Toronto Pearson Intl

29 Aug

YYZ7:55 a.m.Toronto Pearson Intl

8h 03m

1 stop

PWM3:58 p.m.Portland

C$ 670

Delta

22 Aug

PWM6:00 a.m.Portland

5h 25m

1 stop

YYZ11:25 a.m.Toronto Pearson Intl

31 Aug

YYZ6:00 a.m.Toronto Pearson Intl

6h 32m

1 stop

PWM12:32 p.m.Portland

C$ 693

Delta

21 Aug

PWM6:00 a.m.Portland

5h 25m

1 stop

YYZ11:25 a.m.Toronto Pearson Intl

24 Aug

YYZ6:00 a.m.Toronto Pearson Intl

4h 21m

1 stop

PWM10:21 a.m.Portland

C$ 717

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

Tue 25/8

11:50 a.m.-11:59 p.m.

2 stops12h 09m

Toronto Pearson Intl

Mon 31/8

5:05 p.m.-11:30 p.m.

1 stop6h 25m

C$ 647

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Tue 25/8

11:50 a.m.-6:34 p.m.

1 stop6h 44m

Toronto Pearson Intl

Mon 31/8

5:05 p.m.-11:30 p.m.

1 stop6h 25m

C$ 653

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Sat 22/8

6:00 a.m.-11:25 a.m.

1 stop5h 25m

Toronto Pearson Intl

Sat 29/8

7:55 a.m.-3:58 p.m.

1 stop8h 03m

C$ 670

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Tue 22/9

7:35 a.m.-2:30 p.m.

2 stops30h 55m

Toronto Pearson Intl

Tue 29/9

9:50 a.m.-9:08 a.m.

1 stop23h 18m

C$ 686

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Sat 22/8

6:00 a.m.-11:25 a.m.

1 stop5h 25m

Toronto Pearson Intl

Mon 31/8

6:00 a.m.-12:32 p.m.

1 stop6h 32m

C$ 693

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Sat 19/9

6:00 a.m.-4:45 p.m.

1 stop10h 45m

Toronto Pearson Intl

Sat 26/9

11:02 a.m.-9:45 p.m.

1 stop10h 43m

C$ 695

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Tue 25/8

11:50 a.m.-1:05 a.m.

2 stops13h 15m

Toronto Pearson Intl

Thu 27/8

12:09 p.m.-12:02 p.m.

1 stop23h 53m

C$ 710

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Fri 6/11

4:47 p.m.-10:56 p.m.

1 stop6h 09m

Toronto Pearson Intl

Sun 8/11

12:10 p.m.-4:02 p.m.

1 stop3h 52m

C$ 712

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Fri 11/9

6:00 a.m.-8:55 p.m.

2 stops14h 55m

Toronto Pearson Intl

Sat 19/9

1:30 p.m.-9:21 a.m.

1 stop19h 51m

C$ 714

Quickest round-trip

PortlandToronto

PWM Portland - YYZ Toronto Pearson Intl

PWMYYZ

Portland

Fri 21/8

6:00 a.m.-11:25 a.m.

1 stop5h 25m

Toronto Pearson Intl

Mon 24/8

6:00 a.m.-10:21 a.m.

1 stop4h 21m

C$ 717

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, WestJet, 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 10m
Direct flights	Fri
Airports in Region of Ontario	125 airports

The fastest flight from Portland, Maine to Region of Ontario takes 4h 10m

Direct flights go from Portland, Maine to Region of Ontario on Friday. There are no airlines offering direct flights.

There are 125 airports in Region of Ontario. From Portland, Maine there are direct flights to Toronto Pearson Intl (YYZ).

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.