What is the cheapest airline that flies from Ontario to Portland?

United Airlines, Delta, and American Airlines are the most popular carriers operating from Ontario to Portland

How long does it take to fly to Portland, Maine?

The flight from Region of Ontario to Portland, Maine depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Ottawa (a popular airport in Region of Ontario) to Boston (the most popular airport in Portland, Maine), then the flight time is 1h 27m on average. If you fly from Toronto (another popular airport in Region of Ontario) to Boston, then the average flight time is 1h 36m.

What airlines fly to Portland, Maine?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Portland, Maine from Region of Ontario according to our data. Air Canada is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 4 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ontario to Portland Airport?

Prices for flights from Ontario to Portland Airport were last updated today.

How old do you have to be to fly from Ontario to Portland Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$201 Cheap Flights from Ontario to Portland, Maine in 2026

Find the cheapest flights from Ontario to Portland

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:20 am - 4:59 pmYYZ Toronto Pearson Intl-PWM Portland

6h 39m1 stop New York LaGuardia

5:59 pm - 11:13 pmPWM Portland-YYZ Toronto Pearson Intl

5h 14m1 stop New York LaGuardia

$384Delta

Tue, Jan 12 - Wed, Jan 13

6:25 pm - 12:59 amYYZ Toronto Pearson Intl-PWM Portland

6h 34m1 stop New York John F Kennedy Intl

5:29 pm - 11:39 pmPWM Portland-YYZ Toronto Pearson Intl

6h 10m1 stop New York LaGuardia

$396Delta

Sat, Sep 5 - Fri, Sep 11

2:15 pm - 10:15 pmYYZ Toronto Pearson Intl-PWM Portland

8h 00m1 stop Washington, D.C. Reagan-National

6:00 am - 1:38 pmPWM Portland-YYZ Toronto Pearson Intl

7h 38m1 stop Washington, D.C. Reagan-National

$417American Airlines

Sat, Sep 5 - Fri, Sep 11

4:10 pm - 4:01 pmYYZ Toronto Pearson Intl-PWM Portland

23h 51m1 stop Detroit Metropolitan Wayne County

11:50 am - 12:10 amPWM Portland-YYZ Toronto Pearson Intl

12h 20m2 stops Minneapolis St Paul Calgary

$430WestJet

Sat, Sep 5 - Fri, Sep 11

4:10 pm - 4:01 pmYYZ Toronto Pearson Intl-PWM Portland

23h 51m1 stop Detroit Metropolitan Wayne County

11:50 am - 12:10 amPWM Portland-YYZ Toronto Pearson Intl

12h 20m2 stops Minneapolis St Paul Calgary

$436WestJet

Sat, Sep 5 - Fri, Sep 11

6:00 am - 4:02 pmYYZ Toronto Pearson Intl-PWM Portland

10h 02m1 stop Detroit Metropolitan Wayne County

12:42 pm - 8:49 amPWM Portland-YYZ Toronto Pearson Intl

20h 07m1 stop Detroit Metropolitan Wayne County

$437WestJet

Fri, Oct 30 - Mon, Nov 2

4:10 pm - 4:01 pmYYZ Toronto Pearson Intl-PWM Portland

23h 51m1 stop Detroit Metropolitan Wayne County

11:50 am - 12:10 amPWM Portland-YYZ Toronto Pearson Intl

12h 20m2 stops Minneapolis St Paul Calgary

$439WestJet

Sat, Sep 5 - Fri, Sep 11

6:40 pm - 8:19 amYYZ Toronto Pearson Intl-PWM Portland

13h 39m1 stop Newark

11:17 am - 5:59 pmPWM Portland-YYZ Toronto Pearson Intl

6h 42m1 stop Newark

$441United Airlines

Tue, Jan 12 - Wed, Jan 13

4:10 pm - 12:02 pmYYZ Toronto Pearson Intl-PWM Portland

19h 52m1 stop Detroit Metropolitan Wayne County

4:45 pm - 10:59 pmPWM Portland-YYZ Toronto Pearson Intl

6h 14m1 stop Detroit Metropolitan Wayne County

$443WestJet

Sat, Sep 5 - Fri, Sep 11

7:00 pm - 9:08 amYYZ Toronto Pearson Intl-PWM Portland

14h 08m1 stop Newark

6:00 am - 10:40 amPWM Portland-YYZ Toronto Pearson Intl

4h 40m1 stop Newark

$444Air Canada

Tue, Sep 22 - Mon, Sep 28

Cheap last minute flights

Enter your travel dates to find the best prices.

7:43 pm - 11:59 pmYYZ Toronto Pearson Intl-PWM Portland

4h 16m1 stop Washington, D.C. Dulles Intl

6:03 am - 5:56 pmPWM Portland-YYZ Toronto Pearson Intl

11h 53m1 stop Chicago O'Hare Intl

$631United Airlines

Wed, Aug 12 - Sun, Aug 16

7:00 am - 9:41 pmYYZ Toronto Pearson Intl-PWM Portland

14h 41m1 stop Chicago O'Hare Intl

6:03 am - 11:49 amPWM Portland-YYZ Toronto Pearson Intl

5h 46m1 stop Chicago O'Hare Intl

$656United Airlines

Sun, Aug 9 - Sun, Aug 16

4:05 pm - 11:59 pmYYZ Toronto Pearson Intl-PWM Portland

7h 54m2 stops Ottawa Washington, D.C. Dulles Intl

6:03 am - 3:46 pmPWM Portland-YYZ Toronto Pearson Intl

9h 43m1 stop Chicago O'Hare Intl

$691United Airlines

Wed, Aug 12 - Sun, Aug 16

2:31 pm - 10:21 amYYZ Toronto Pearson Intl-PWM Portland

19h 50m1 stop New York LaGuardia

11:50 am - 11:59 pmPWM Portland-YYZ Toronto Pearson Intl

12h 09m2 stops Minneapolis St Paul Edmonton

$735WestJet

Sun, Aug 9 - Sun, Aug 16

8:30 am - 6:29 pmYUL Montreal Pierre Elliott Trudeau Intl-PWM Portland

9h 59m2 stops Washington, D.C. Reagan-National Newark

6:00 am - 6:20 pmPWM Portland-YUL Montreal Pierre Elliott Trudeau Intl

12h 20m2 stops Newark Washington, D.C. Reagan-National

$742United Airlines

Wed, Aug 12 - Wed, Aug 19

6:00 am - 11:32 pmYUL Montreal Pierre Elliott Trudeau Intl-PWM Portland

17h 32m1 stop Newark

5:15 am - 2:40 pmPWM Portland-YUL Montreal Pierre Elliott Trudeau Intl

9h 25m1 stop Washington, D.C. Dulles Intl

$771United Airlines

Wed, Aug 12 - Wed, Aug 19

6:45 am - 9:33 pmYUL Montreal Pierre Elliott Trudeau Intl-PWM Portland

14h 48m2 stops Toronto Pearson Intl New York LaGuardia

6:30 am - 4:45 pmPWM Portland-YUL Montreal Pierre Elliott Trudeau Intl

10h 15m2 stops New York LaGuardia Toronto Pearson Intl

$779Delta

Sat, Aug 8 - Wed, Aug 19

7:44 pm - 10:21 amYUL Montreal Pierre Elliott Trudeau Intl-PWM Portland

14h 37m1 stop New York LaGuardia

6:30 am - 11:30 pmPWM Portland-YUL Montreal Pierre Elliott Trudeau Intl

17h 00m2 stops New York LaGuardia Detroit Metropolitan Wayne County

$783Delta

Mon, Aug 10 - Wed, Aug 19

2:29 pm - 9:49 amYUL Montreal Pierre Elliott Trudeau Intl-PWM Portland

19h 20m1 stop New York LaGuardia

6:30 am - 11:30 pmPWM Portland-YUL Montreal Pierre Elliott Trudeau Intl

17h 00m2 stops New York LaGuardia Detroit Metropolitan Wayne County

$784Delta

Sat, Aug 8 - Wed, Aug 19

1:10 pm - 11:32 pmYUL Montreal Pierre Elliott Trudeau Intl-PWM Portland

10h 22m1 stop Newark

6:00 am - 6:20 pmPWM Portland-YUL Montreal Pierre Elliott Trudeau Intl

12h 20m2 stops Newark Washington, D.C. Reagan-National

$799United Airlines

Wed, Aug 12 - Tue, Aug 18

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American Airlines flights from Region of Ontario to Portland, Maine

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

American Airlines

Sep 5

YYZ2:15 pmToronto Pearson Intl

8h 00m

1 stop

PWM10:15 pmPortland

Sep 11

PWM6:00 amPortland

7h 38m

1 stop

YYZ1:38 pmToronto Pearson Intl

$417

American Airlines

Sep 4

YYZ6:08 pmToronto Pearson Intl

5h 29m

1 stop

PWM11:37 pmPortland

Sep 11

PWM6:00 pmPortland

5h 46m

1 stop

YYZ11:46 pmToronto Pearson Intl

$452

American Airlines

Aug 19

YYZ8:00 amToronto Pearson Intl

13h 21m

1 stop

PWM9:21 pmPortland

Aug 22

PWM7:28 amPortland

9h 50m

1 stop

YYZ5:18 pmToronto Pearson Intl

$453

WestJet flights from Region of Ontario to Portland, Maine

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

WestJet

Sep 5

YYZ4:10 pmToronto Pearson Intl

23h 51m

1 stop

PWM4:01 pmPortland

Sep 11

PWM11:50 amPortland

12h 20m

2 stops

YYZ12:10 amToronto Pearson Intl

$430

WestJet

Sep 5

YYZ4:10 pmToronto Pearson Intl

23h 51m

1 stop

PWM4:01 pmPortland

Sep 11

PWM11:50 amPortland

12h 20m

2 stops

YYZ12:10 amToronto Pearson Intl

$436

WestJet

Oct 30

YYZ6:00 amToronto Pearson Intl

10h 02m

1 stop

PWM4:02 pmPortland

Nov 2

PWM12:42 pmPortland

20h 07m

1 stop

YYZ8:49 amToronto Pearson Intl

$437

momondo Fare Finder

Use the filters below to find and compare flights from Ontario to Portland, Maine that are best for you.

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Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Tue 1/12

10:20 am-4:59 pm

1 stop6h 39m

Portland

Wed 1/13

5:59 pm-11:13 pm

1 stop5h 14m

$384

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Sat 9/5

6:25 pm-12:59 am

1 stop6h 34m

Portland

Fri 9/11

5:29 pm-11:39 pm

1 stop6h 10m

$396

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Sat 9/5

2:15 pm-10:15 pm

1 stop8h 00m

Portland

Fri 9/11

6:00 am-1:38 pm

1 stop7h 38m

$417

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Sat 9/5

4:10 pm-4:01 pm

1 stop23h 51m

Portland

Fri 9/11

11:50 am-12:10 am

2 stops12h 20m

$430

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Sat 9/5

4:10 pm-4:01 pm

1 stop23h 51m

Portland

Fri 9/11

11:50 am-12:10 am

2 stops12h 20m

$436

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Fri 10/30

6:00 am-4:02 pm

1 stop10h 02m

Portland

Mon 11/2

12:42 pm-8:49 am

1 stop20h 07m

$437

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Sat 9/5

4:10 pm-4:01 pm

1 stop23h 51m

Portland

Fri 9/11

11:50 am-12:10 am

2 stops12h 20m

$439

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Tue 1/12

6:40 pm-8:19 am

1 stop13h 39m

Portland

Wed 1/13

11:17 am-5:59 pm

1 stop6h 42m

$441

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Sat 9/5

4:10 pm-12:02 pm

1 stop19h 52m

Portland

Fri 9/11

4:45 pm-10:59 pm

1 stop6h 14m

$443

TorontoPortland

YYZ Toronto Pearson Intl - PWM Portland

YYZPWM

Toronto Pearson Intl

Tue 9/22

7:00 pm-9:08 am

1 stop14h 08m

Portland

Mon 9/28

6:00 am-10:40 am

1 stop4h 40m

$444

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 Region of Ontario to Portland, Maine

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

Prices

Airlines

Other information

Can stopping save me money on Region of Ontario to Portland, Maine flights?

You could potentially save up to 60% on your flight if you consider stops on a Region of Ontario to Portland, Maine flight.

Cheap Region of Ontario to Portland, Maine flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Portland, Maine

Fastest flight time	3h 25m
Direct flights	None

The fastest flight from Region of Ontario to Portland, Maine takes 3h 25m

There are no direct flights from Region of Ontario to Portland, Maine. There are no popular flight routes from Region of Ontario to Portland, Maine.

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Frequently asked questions about flying from Ontario to Portland, Maine

When did momondo last update prices for flights from Ontario to Portland Airport?
Prices for flights from Ontario to Portland Airport were last updated today.
How old do you have to be to fly from Ontario to Portland Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

North Conway

Boothbay Harbor

Jackson

Lewiston

Brunswick

Freeport

Conway

Gorham

Bartlett

Auburn

Windham

Intervale

Bath

Oxford

Georgetown

Falmouth

Tamworth

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Portland?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portland from Ontario.

Can I find flights from Ontario to Portland with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Portland from Ontario with this policy.

How can momondo help me find flights from Ontario to Portland?

momondo helps you find the best flight between Ontario and Portland 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 Ontario to Portland right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Portland from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Portland, Maine trip

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Rockland Knox County Regional Airport

Cheap flights from Ontario to Portland from $201

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Portland departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Region of Ontario to Portland, Maine

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

WestJet flights from Region of Ontario to Portland, Maine

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

momondo Fare Finder

Use the filters below to find and compare flights from Ontario to Portland, Maine that are best for you.

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How to get the cheapest flight ticket from Region of Ontario to Portland, Maine

Can stopping save me money on Region of Ontario to Portland, Maine flights?

What is the cheapest airline that flies from Ontario to Portland?

What airlines fly to Portland, Maine?

How long does it take to fly to Portland, Maine?

Cheap Region of Ontario to Portland, Maine flight deals and tips

Fastest flight time

Direct flights

Frequently asked questions about flying from Ontario to Portland, Maine

Traveling to a place near Portland?

Why use momondo?

An easier way to manage your Portland, Maine trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Maine

Fly your favorite airline to Portland

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portland

List of cabin classes available on flights landing in Portland. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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