Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Portland, Maine to Ontario from $129

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Ontario departing on 1/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Portland, Maine to Ontario

Cheap round-trip flights

These are some of the best round-trip flight deals from Portland, Maine to Ontario that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Portland, Maine to Ontario.

Cheap last minute flights

Planning a quick getaway from Portland, Maine to Ontario? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Ontario, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Portland, Maine to Ontario

Find recent round-trip train or bus tickets from Portland, Maine to Ontario.

All round-trip flight deals to Ontario

The cheapest plane tickets to Ontario found on KAYAK recently.
3:02 pm - 10:55 pmPWM-YYZ
7h 53m1 stop
6:00 am - 2:22 pmYYZ-PWM
8h 22m1 stop
$311Delta
Find Deal
Sun, Jan 12 - Tue, Jan 14
5:44 am - 10:19 amPWM-YYZ
4h 35m1 stop
7:00 am - 4:17 pmYYZ-PWM
9h 17m2 stops
$320American Airlines
Find Deal
Sun, Jan 12 - Tue, Jan 14
5:44 am - 3:00 pmPWM-YYZ
9h 16m2 stops
1:55 pm - 11:57 pmYYZ-PWM
10h 02m2 stops
$352American Airlines
Find Deal
Sun, Jan 12 - Tue, Jan 14
6:35 pm - 9:58 amPWM-YYZ
15h 23m1 stop
12:20 pm - 11:15 pmYYZ-PWM
10h 55m2 stops
$397United Airlines
Find Deal
Thu, Feb 6 - Thu, Feb 13
7:00 am - 7:07 pmPWM-YYZ
12h 07m1 stop
6:49 pm - 12:16 pmYYZ-PWM
17h 27m1 stop
$425WestJet
Find Deal
Fri, Mar 14 - Sun, Mar 16
5:24 am - 3:00 pmPWM-YYZ
9h 36m2 stops
7:00 am - 4:35 pmYYZ-PWM
9h 35m2 stops
$475American Airlines
Find Deal
Thu, Feb 6 - Thu, Feb 13
2:24 pm - 10:10 amPWM-YUL
19h 46m2 stops
10:54 am - 11:57 pmYUL-PWM
13h 03m2 stops
$515American Airlines
Find Deal
Tue, Feb 4 - Tue, Feb 11
4:46 pm - 11:22 pmPWM-YUL
6h 36m1 stop
6:45 am - 4:44 pmYUL-PWM
9h 59m2 stops
$667WestJet
Find Deal
Tue, Feb 4 - Tue, Feb 11
6:00 am - 10:26 amPWM-YUL
4h 26m1 stop
5:15 pm - 11:10 pmYUL-PWM
5h 55m1 stop
$668Delta
Find Deal
Tue, Feb 4 - Tue, Feb 11
6:00 am - 1:05 pmPWM-YUL
7h 05m1 stop
5:30 pm - 11:17 pmYUL-PWM
5h 47m1 stop
$689United Airlines
Find Deal
Fri, Jun 20 - Tue, Jun 24
11:36 am - 7:20 pmPWM-YYZ
7h 44m1 stop
$129United Airlines
Find Deal
Thu, Jan 23
2:24 pm - 9:32 pmPWM-YYZ
7h 08m2 stops
$134American Airlines
Find Deal
Tue, Feb 4
5:44 am - 3:00 pmPWM-YYZ
9h 16m2 stops
$135American Airlines
Find Deal
Fri, Feb 7
6:01 am - 11:46 amPWM-YYZ
5h 45m1 stop
$148Air Canada
Find Deal
Thu, Mar 13
6:18 pm - 10:35 pmPWM-YYZ
28h 17m3 stops
Fri, Feb 7
11:20 am - 5:20 pmPWM-YYZ
6h 00m1 stop
$292American Airlines
Find Deal
Tue, Jun 10
11:36 am - 11:11 pmPWM-YYZ
11h 35m2 stops
$331United Airlines
Find Deal
Thu, Jan 23
5:25 am - 3:00 pmPWM-YYZ
9h 35m2 stops
$343American Airlines
Find Deal
Thu, Mar 13
2:45 pm - 10:27 pmPWM-YYZ
7h 42m2 stops
$438United Airlines
Find Deal
Tue, Jun 10
5:20 am - 9:58 amPWM-YYZ
4h 38m1 stop
6:15 am - 10:45 amYYZ-PWM
4h 30m1 stop
$758United Airlines
Find Deal
Tue, Dec 24 - Sat, Dec 28
4:05 pm - 7:00 amPWM-YYZ
14h 55m2 stops
6:15 am - 10:45 amYYZ-PWM
4h 30m1 stop
$791United Airlines
Find Deal
Tue, Dec 24 - Sat, Dec 28
4:05 pm - 7:30 amPWM-YYZ
15h 25m2 stops
12:20 pm - 11:37 pmYYZ-PWM
11h 17m2 stops
$823United Airlines
Find Deal
Tue, Dec 24 - Sat, Dec 28
5:08 pm - 4:55 pmPWM-YUL
23h 47m2 stops
10:59 am - 11:55 pmYUL-PWM
12h 56m2 stops
$982American Airlines
Find Deal
Fri, Dec 27 - Sun, Dec 29
12:23 pm - 10:05 amPWM-YUL
21h 42m2 stops
5:30 pm - 4:31 pmYUL-PWM
23h 01m2 stops
$1,022American Airlines
Find Deal
Fri, Dec 27 - Sun, Dec 29
7:00 am - 12:14 pmPWM-YUL
5h 14m1 stop
6:05 am - 2:29 pmYUL-PWM
8h 24m1 stop
$1,045WestJet
Find Deal
Fri, Dec 27 - Sun, Dec 29
6:00 am - 9:17 pmPWM-YUL
15h 17m2 stops
9:15 am - 11:59 pmYUL-PWM
14h 44m1 stop
$1,083United Airlines
Find Deal
Fri, Dec 27 - Sun, Dec 29
7:30 am - 9:17 pmPWM-YUL
13h 47m1 stop
9:15 am - 11:37 pmYUL-PWM
14h 22m2 stops
$1,190United Airlines
Find Deal
Fri, Dec 27 - Sun, Dec 29

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
Jan 6
PWM4:05 pmPortland
6h 44m
1 stop
YYZ10:49 pmToronto Pearson Intl
Jan 12
YYZ8:30 pmToronto Pearson Intl
14h 02m
2 stops
PWM10:32 amPortland
United Airlines
Feb 6
PWM6:35 pmPortland
15h 23m
1 stop
YYZ9:58 amToronto Pearson Intl
Feb 13
YYZ12:20 pmToronto Pearson Intl
10h 55m
2 stops
PWM11:15 pmPortland
United Airlines
Jun 20
PWM6:00 amPortland
7h 05m
1 stop
YUL1:05 pmMontreal Pierre Elliott Trudeau Intl
Jun 24
YUL5:30 pmMontreal Pierre Elliott Trudeau Intl
5h 47m
1 stop
PWM11:17 pmPortland

WestJet flights from Portland, Maine to Region of Ontario

Our best WestJet deals on Portland, Maine to Region of Ontario flight tickets
WestJet
Mar 14
PWM7:00 amPortland
12h 07m
1 stop
YYZ7:07 pmToronto Pearson Intl
Mar 16
YYZ6:49 pmToronto Pearson Intl
17h 27m
1 stop
PWM12:16 pmPortland
WestJet
Feb 4
PWM4:46 pmPortland
6h 36m
1 stop
YUL11:22 pmMontreal Pierre Elliott Trudeau Intl
Feb 11
YUL6:45 amMontreal Pierre Elliott Trudeau Intl
9h 59m
2 stops
PWM4:44 pmPortland
WestJet
Feb 6
PWM6:00 amPortland
4h 26m
1 stop
YUL10:26 amMontreal Pierre Elliott Trudeau Intl
Feb 13
YUL6:45 amMontreal Pierre Elliott Trudeau Intl
9h 59m
2 stops
PWM4:44 pmPortland

See travel insights to Ontario from

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 month to fly to Region of Ontario?

The month of September is, on average, the cheapest month to fly to Region of Ontario from Portland, Maine, with most prices found around $116. If you aren’t able to travel during the month of September, then book flights to Region of Ontario from Portland, Maine during October instead. Flights to Region of Ontario in October, while not as cheap as those in September, still average around $276.

What is the cheapest day to depart on your flight to Region of Ontario?

According to our data, Saturday is the cheapest day to fly to Region of Ontario from Portland, Maine. The lowest ticket price found for a Saturday departure recently was $286. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Portland, Maine to Region of Ontario on a Friday will generally be more expensive and average around $591. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Region of Ontario?

According to our data, the cheapest time of day to fly to Region of Ontario is in the afternoon. momondo users have found flights departing from Portland, Maine to Region of Ontario in the afternoon for as low as $457. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $500.

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

You could potentially save up to 10% on your flight if you consider stops on a Portland, Maine to Region of Ontario flight.

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

Best Price Found

$129

Fastest flight time

4h 22m

Direct flights

None

Airports in Region of Ontario

2 airports
The best one-way flight to Region of Ontario from Portland, Maine in the past 72 hours is $129. The best round-trip flight deal from Portland, Maine to Region of Ontario found on momondo in the last 72 hours is $311.
The fastest flight from Portland, Maine to Region of Ontario takes 4h 22m
There are no direct flights from Portland, Maine to Region of Ontario. Popular non-direct routes for this connection are Portland Airport - Toronto Pearson Intl Airport and Portland Airport - Montreal Pierre Elliott Trudeau Intl Airport.
There are 2 airports near Region of Ontario: Montreal Pierre Elliott Trudeau Intl (YUL), Toronto Pearson Intl (YYZ)

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

    Prices for flights from Portland Airport to Ontario are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to Ontario?

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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.


Best airlines flying from Portland, Maine to Region of Ontario

Compare and see reviews for airlines that fly from Portland, Maine to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $247Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $318Free CancellationRating
7.4
9,022 reviews
Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Portland to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

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

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

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

Once all potential Portland to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Portland and alert you when they change.


An easier way to manage your Region of Ontario 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.
1 adult
From?
To?
Sat 12/28
Sat 1/4
Email me momondo's favorite deals

Find better results for your trip to Ontario

Popular cities in Ontario

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