HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Maine

$124+ Cheap flights from Ontario to Maine

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — PWM
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Maine with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Maine

Keep the following information in mind while searching for Ontario to Maine flight deals. Data was last updated septiembre 11, 2025.

Round-trip from

$197
(SmartFares)

One-way from

$124
(Gotogate)

Popular in

May

Cheapest in

September

Average price

$287
From Ontario to Maine
Search Deals
One-way flight from Ontario to Maine
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($77 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Ontario to Maine

Cheapest flights from Ontario to Maine
Explore the most affordable flight options available from Ontario to Maine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This SmartFares deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/38:20 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
dom. 10/59:20 amBOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 9/11$197
This Air Canada deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/2910:30 amYYZ - BOS
Nonstop1h 42mAir Canada
lun. 12/15:30 amBOS - YYZ
1 stop6h 10mAir Canada
Deal found 9/10$198
This FlightHub deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/128:20 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
mié. 10/1510:10 amBOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 9/10$199
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/18:20 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
mar. 10/1412:15 pmBOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 9/10$200
This Flightnetwork deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/511:00 amYYZ - BOS
1 stop3h 52mAir Canada
dom. 12/75:30 amBOS - YYZ
2 stops6h 10mAir Canada
Deal found 9/9$200
This Air Canada deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/245:25 pmYTZ - BOS
1 stop4h 01mAir Canada
lun. 10/275:30 amBOS - YTZ
1 stop6h 25mAir Canada
Deal found 9/10$201
This Mytrip deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/28:00 amYYZ - BOS
1 stop6h 30mAir Canada
dom. 10/56:00 amBOS - YYZ
1 stop4h 39mAir Canada
Deal found 9/9$201
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/45:55 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
mié. 10/1512:15 pmBOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 9/10$202
This Air Canada deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/28:55 pmYYZ - BOS
Nonstop1h 44mAir Canada
lun. 10/66:00 amBOS - YYZ
Nonstop1h 56mAir Canada
Deal found 9/9$202
This SmartFares deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/103:10 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
mié. 10/1510:10 amBOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 9/9$203
This Air Canada deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/152:15 pmYYZ - BOS
Nonstop1h 44mAir Canada
mar. 10/216:00 amBOS - YYZ
Nonstop1h 56mAir Canada
Deal found 9/9$203
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/78:20 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
jue. 10/237:15 pmBOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 9/11$204

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Maine that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 11, 2025.
Use the filters below to find and compare flights from Ontario to Maine that are best for you.

Fly from

Ontario

Fly to

Maine

Route

Depart

Return

Price

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

vie. 10/3

8:20 pm-10:01 pm

Nonstop1h 41m

Boston Logan Intl

dom. 10/5

9:20 am-11:09 am

Nonstop1h 49m

$197

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

jue. 10/9

9:50 am-11:31 am

Nonstop1h 41m

Boston Logan Intl

sáb. 10/25

6:45 pm-8:34 pm

Nonstop1h 49m

$204

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

sáb. 10/25

12:25 pm-5:55 pm

1 stop5h 30m

Boston Logan Intl

vie. 10/31

10:20 am-12:19 pm

Nonstop1h 59m

$205

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

lun. 10/27

3:30 pm-9:27 pm

1 stop5h 57m

Boston Logan Intl

jue. 10/30

5:30 am-9:55 am

1 stop4h 25m

$207

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

jue. 9/25

1:00 pm-2:41 pm

Nonstop1h 41m

Boston Logan Intl

sáb. 9/27

12:15 pm-2:04 pm

Nonstop1h 49m

$207

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

mar. 9/23

9:50 am-11:31 am

Nonstop1h 41m

Boston Logan Intl

vie. 9/26

8:45 am-10:34 am

Nonstop1h 49m

$207

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

vie. 11/7

7:45 am-6:10 pm

2 stops10h 25m

Boston Logan Intl

dom. 11/9

10:20 am-12:19 pm

Nonstop1h 59m

$208

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

mar. 11/11

8:50 am-2:52 pm

2 stops6h 02m

Boston Logan Intl

jue. 11/13

10:15 am-2:55 pm

1 stop4h 40m

$211

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

jue. 10/2

9:00 am-6:28 pm

2 stops9h 28m

Boston Logan Intl

dom. 10/5

9:20 am-11:09 am

Nonstop1h 49m

$211

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

vie. 10/10

3:10 pm-4:51 pm

Nonstop1h 41m

Boston Logan Intl

mar. 10/14

12:15 pm-2:04 pm

Nonstop1h 49m

$213

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Ontario to Maine

Have a flexible travel schedule? Discover the best time to fly to Maine from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Maine

What is the cheapest month to book a flight from Region of Ontario to Maine?

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Maine (average of $296). Flying from Region of Ontario to Maine in July is currently the most expensive (average of $394). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ON to ME?

Find hourly flight availability from Ontario to Maine. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Maine as you normally would.

How much does it cost to fly round-trip from Region of Ontario to Maine?

Related info for your journey

Find useful and relevant information for your journey from Ontario to Maine. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Region of Ontario to Maine?

    For as low as $197, Porter Airlines can have you in Maine from Region of Ontario in 1h 41m. Region of Ontario and Maine are separated by a distance of 432 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Region of Ontario to Maine one-way?

    $124 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on Air Canada and WestJet, with prices starting from $124 and $139, respectively.

  • Can I find deals for flights from Ontario to Maine that include hotel bookings?

    Yes. In addition to deals on Ontario to Maine flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Maine?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Maine.

  • Can I find deals for business class flights from Ontario to Maine?

    Yes. Cheapflights offers flight deals from Ontario to Maine by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Region of Ontario to Maine?

    Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Maine (average of $296). Flying from Region of Ontario to Maine in July is currently the most expensive (average of $394). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Maine

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Newark flights
Toronto Island to Newark flights
Pearson Intl to John F Kennedy Intl flights
Pearson Intl to LaGuardia flights
Pearson Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Pearson Intl to Fort Lauderdale flights
Pierre Elliott Trudeau Intl to Newark flights
Pearson Intl to Los Angeles flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Pearson Intl to Dallas/Fort Worth flights
Vancouver Intl to Los Angeles flights
Pearson Intl to Miami flights
Vancouver Intl to Las Vegas flights
Pearson Intl to San Francisco flights
Pearson Intl to Orlando flights
Vancouver Intl to John F Kennedy Intl flights
Vancouver Intl to Newark flights
Pierre Elliott Trudeau Intl to Miami flights
Vancouver Intl to San Francisco flights
Pearson Intl to Boston flights
Pearson Intl to Dulles Intl flights
Pearson Intl to Hobby flights
Vancouver Intl to Seattle flights
Pearson Intl to O'Hare Intl flights
Pearson Intl to Reagan-National flights
Pearson Intl to George Bush Intcntl flights
Pearson Intl to Sky Harbor Intl flights
Pearson Intl to Nashville flights
Pearson Intl to Atlanta flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to Orlando flights
Pearson Intl to Tampa flights
Vancouver Intl to Honolulu flights
Toronto Island to Fort Lauderdale flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pearson Intl to West Palm Beach flights
Vancouver Intl to O'Hare Intl flights
Vancouver Intl to Sky Harbor Intl flights
Calgary to Las Vegas flights
Vancouver Intl to LaGuardia flights
Ottawa to Fort Lauderdale flights
Vancouver Intl to Santa Ana flights
Pearson Intl to Seattle flights
Toronto Island to Orlando flights
Vancouver Intl to Miami flights
Pierre Elliott Trudeau Intl to Boston flights
Vancouver Intl to San Diego flights
Pearson Intl to Fort Myers flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.