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

Delta, American Airlines, and United 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 15m on average. If you fly from Toronto (another popular airport in Region of Ontario) to Boston, then the average flight time is 1h 37m.

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 50% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 5 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.

$204 Cheap Flights from Ontario to Portland in 2025

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Find the cheapest flights from Ontario to Portland

Round-trip

One-way

Last minute

Cheap round-trip flights

6:04 am - 1:56 pmYYZ-PWM

7h 52m1 stop

5:00 pm - 10:59 pmPWM-YYZ

29h 59m2 stops

$337Delta

Find Deal

Wed, Sep 10 - Fri, Sep 19

6:04 am - 1:56 pmYYZ-PWM

7h 52m1 stop

6:33 am - 10:56 pmPWM-YYZ

16h 23m2 stops

$349Delta

Find Deal

Wed, Sep 10 - Fri, Sep 19

7:15 am - 11:03 pmYYZ-PWM

15h 48m1 stop

6:00 am - 7:10 pmPWM-YYZ

13h 10m1 stop

$355

Find Deal

Tue, Sep 16 - Tue, Sep 23

6:04 am - 1:56 pmYYZ-PWM

7h 52m1 stop

1:40 pm - 8:34 pmPWM-YYZ

6h 54m1 stop

$439Delta

Find Deal

Wed, Sep 10 - Fri, Sep 19

11:00 am - 11:45 pmYYZ-PWM

12h 45m1 stop

9:00 am - 11:03 pmPWM-YYZ

14h 03m1 stop

$497American Airlines

Find Deal

Fri, Sep 12 - Sun, Sep 21

10:05 am - 7:29 pmYYZ-PWM

9h 24m1 stop

7:26 pm - 10:04 amPWM-YYZ

14h 38m1 stop

$498United Airlines

Find Deal

Wed, Sep 10 - Fri, Sep 19

7:47 pm - 1:22 pmYYZ-PWM

17h 35m2 stops

7:26 pm - 1:03 pmPWM-YYZ

17h 37m2 stops

$504United Airlines

Find Deal

Wed, Sep 10 - Fri, Sep 19

11:00 am - 11:51 pmYYZ-PWM

12h 51m1 stop

6:00 am - 10:19 amPWM-YYZ

4h 19m1 stop

$528American Airlines

Find Deal

Fri, Oct 17 - Sun, Oct 19

5:59 pm - 11:22 pmYOW-PWM

5h 23m1 stop

6:00 am - 3:23 pmPWM-YOW

9h 23m2 stops

$589Air Canada

Find Deal

Sat, Dec 27 - Tue, Dec 30

5:59 pm - 11:22 pmYOW-PWM

5h 23m1 stop

6:00 am - 3:23 pmPWM-YOW

9h 23m2 stops

$590Air Canada

Find Deal

Sat, Dec 27 - Tue, Dec 30

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 12

YYZ11:00 amToronto Pearson Intl

12h 45m

1 stop

PWM11:45 pmPortland

Sep 21

PWM9:00 amPortland

14h 03m

1 stop

YYZ11:03 pmToronto Pearson Intl

$497

Find similar

American Airlines

Oct 17

YYZ11:00 amToronto Pearson Intl

12h 51m

1 stop

PWM11:51 pmPortland

Oct 19

PWM6:00 amPortland

4h 19m

1 stop

YYZ10:19 amToronto Pearson Intl

$528

Find similar

American Airlines

Oct 17

YYZ4:15 pmToronto Pearson Intl

4h 32m

1 stop

PWM8:47 pmPortland

Oct 19

PWM6:00 amPortland

4h 19m

1 stop

YYZ10:19 amToronto Pearson Intl

$529

Find similar

Delta flights from Region of Ontario to Portland, Maine

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

Delta

Sep 10

YYZ6:04 amToronto Pearson Intl

7h 52m

1 stop

PWM1:56 pmPortland

Sep 19

PWM5:00 pmPortland

29h 59m

2 stops

YYZ10:59 pmToronto Pearson Intl

$337

Find similar

Delta

Sep 10

YYZ6:04 amToronto Pearson Intl

7h 52m

1 stop

PWM1:56 pmPortland

Sep 19

PWM6:33 amPortland

16h 23m

2 stops

YYZ10:56 pmToronto Pearson Intl

$349

Find similar

Delta

Sep 10

YYZ6:04 amToronto Pearson Intl

7h 52m

1 stop

PWM1:56 pmPortland

Sep 19

PWM1:40 pmPortland

6h 54m

1 stop

YYZ8:34 pmToronto Pearson Intl

$439

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

Wed 9/10

6:04 am-1:56 pm

1 stop7h 52m

Portland

Fri 9/19

5:00 pm-10:59 pm

2 stops29h 59m

$337

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

Wed 9/10

6:04 am-1:56 pm

1 stop7h 52m

Portland

Fri 9/19

6:33 am-10:56 pm

2 stops16h 23m

$349

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

Tue 9/16

7:15 am-11:03 pm

1 stop15h 48m

Portland

Tue 9/23

6:00 am-7:10 pm

1 stop13h 10m

$355

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

Wed 9/10

6:04 am-1:56 pm

1 stop7h 52m

Portland

Fri 9/19

1:40 pm-8:34 pm

1 stop6h 54m

$439

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

Fri 9/12

11:00 am-11:45 pm

1 stop12h 45m

Portland

Sun 9/21

9:00 am-11:03 pm

1 stop14h 03m

$497

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

Wed 9/10

10:05 am-7:29 pm

1 stop9h 24m

Portland

Fri 9/19

7:26 pm-10:04 am

1 stop14h 38m

$498

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

Wed 9/10

7:47 pm-1:22 pm

2 stops17h 35m

Portland

Fri 9/19

7:26 pm-1:03 pm

2 stops17h 37m

$504

TorontoPortland

YYZ - PWM

YYZPWM

Toronto Pearson Intl

Fri 10/17

11:00 am-11:51 pm

1 stop12h 51m

Portland

Sun 10/19

6:00 am-10:19 am

1 stop4h 19m

$528

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Sat 12/27

5:59 pm-11:22 pm

1 stop5h 23m

Portland

Tue 12/30

6:00 am-3:23 pm

2 stops9h 23m

$589

OttawaPortland

YOW - PWM

YOWPWM

Ottawa

Sat 12/27

5:59 pm-11:22 pm

1 stop5h 23m

Portland

Tue 12/30

6:00 am-3:23 pm

2 stops9h 23m

$590

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

What is the cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from Region of Ontario is in September. Flight prices, which tend to average around $287, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of September, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $307.

What is the cheapest day to depart on your flight to Portland, Maine?

On average, the least expensive day to fly to Portland, Maine from Region of Ontario is on a Friday. momondo users have found tickets for Friday departures for as low as $268. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Region of Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,023.

What is the cheapest time of day to depart on your flight to Portland, Maine?

In the morning is the cheapest time of day to fly from Region of Ontario to Portland, Maine when you can find flight prices for as low as $368. Flying to Portland, Maine in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $478. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Direct flights	None

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.

Search flight deals

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

Conway

Freeport

Lewiston

Bartlett

Gorham

Brunswick

Auburn

Intervale

Windham

Bath

Oxford

Georgetown

Tamworth

Falmouth

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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Cheap flights from Ontario to Portland from $204

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 10/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

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Filter for what you want

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Find the cheapest flights from Ontario to Portland

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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

Delta flights from Region of Ontario to Portland, Maine

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

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

See travel insights to Portland from

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

What is the cheapest month to fly to Portland, Maine?

What is the cheapest day to depart on your flight to Portland, Maine?

What is the cheapest time of day to depart on your flight to Portland, Maine?

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

Delta, American Airlines, and United Airlines are the most popular carriers operating 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

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

Direct flights

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

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

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

Traveling to a place near Portland?

Why use momondo?

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

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

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

I’m not ready to book a flight from Ontario to Portland right now. Can momondo alert me if prices change?

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