HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Maine

$128+ 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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — PWM
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
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

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 December 15, 2025.

This FlightHub deal was found by Cheapflights users on 12/12. 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.
Sat 12/278:00 amYTZ - BOS
Nonstop1h 35mPorter Airlines
Sat 1/37:05 amBOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 12/12$230
This Trip.com deal was found by Cheapflights users on 12/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:05 amYTZ - BOS
Nonstop1h 35mPorter Airlines
Thu 1/89:00 amBOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 12/15$232
This Super.com deal was found by Cheapflights users on 12/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:30 pmYTZ - BOS
Nonstop1h 35mPorter Airlines
Tue 12/303:40 pmBOS - YTZ
1 stop6h 23mPorter Airlines
Deal found 12/13$240
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Mon 12/2911:05 amYTZ - BOS
Nonstop1h 35mPorter Airlines
Sun 1/119:00 amBOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 12/13$247
This FlightHub deal was found by Cheapflights users on 12/12. 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.
Fri 12/268:30 pmYTZ - BOS
Nonstop1h 35mPorter Airlines
Sun 12/283:40 pmBOS - YTZ
1 stop6h 23mPorter Airlines
Deal found 12/12$250
This FlightHub deal was found by Cheapflights users on 12/13. 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.
Sat 12/278:00 amYTZ - BOS
Nonstop1h 35mPorter Airlines
Tue 12/303:40 pmBOS - YTZ
1 stop6h 23mPorter Airlines
Deal found 12/13$251
This Trip.com deal was found by Cheapflights users on 12/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:05 amYTZ - BOS
Nonstop1h 35mPorter Airlines
Fri 1/27:05 amBOS - YTZ
Nonstop1h 55mPorter Airlines
Deal found 12/15$252
This Air Canada deal was found by Cheapflights users on 12/13. 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.
Wed 12/318:55 pmYYZ - BOS
Nonstop1h 42mAir Canada
Fri 1/26:15 amBOS - YYZ
Nonstop2h 02mAir Canada
Deal found 12/13$282
This Air Canada deal was found by Cheapflights users on 12/13. 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.
Wed 12/318:55 pmYYZ - BOS
Nonstop1h 42mAir Canada
Sat 1/106:15 amBOS - YYZ
Nonstop2h 02mAir Canada
Deal found 12/13$288
This Air Canada deal was found by Cheapflights users on 12/13. 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.
Wed 12/318:55 pmYYZ - BOS
Nonstop1h 42mAir Canada
Wed 1/145:30 amBOS - YYZ
1 stop5h 19mAir Canada
Deal found 12/13$292
This United Airlines deal was found by Cheapflights users on 12/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:00 amYYZ - BOS
1 stop15h 45mUnited Airlines
Tue 1/65:20 amBOS - YYZ
1 stop8h 54mUnited Airlines
Deal found 12/13$294
This Air Canada deal was found by Cheapflights users on 12/15. 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.
Thu 12/258:55 pmYYZ - BOS
Nonstop1h 42mAir Canada
Wed 1/1410:45 amBOS - YYZ
Nonstop2h 03mAir Canada
Deal found 12/15$317

Find flight deals from Ontario to Maine

Keep the following information in mind while searching for Ontario to Maine flight deals. Data was last updated December 15, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$213
(Mytrip)

One-way from

$128
(Air Canada)

Popular in

December

Cheapest in

March

Average price

$297
Provider with most accurate pricing for Toronto (YTO)-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto (YTO)-Boston Logan Intl flights.
Search Deals
From Ontario to Maine
Search Deals
One-way flight from Ontario to Maine
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 15, 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

Thu 1/8

7:35 am-6:10 pm

2 stops10h 35m

Boston Logan Intl

Wed 1/14

6:55 pm-8:50 pm

Nonstop1h 55m

$218

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Wed 1/28

2:05 pm-6:10 pm

1 stop4h 05m

Boston Logan Intl

Wed 2/4

6:55 pm-8:52 pm

Nonstop1h 57m

$219

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Mon 1/26

2:05 pm-6:10 pm

1 stop4h 05m

Boston Logan Intl

Sun 2/1

9:00 am-10:57 am

Nonstop1h 57m

$219

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 1/8

1:10 pm-2:45 pm

Nonstop1h 35m

Boston Logan Intl

Sun 1/11

9:00 am-10:55 am

Nonstop1h 55m

$221

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Fri 1/23

6:55 pm-8:30 pm

Nonstop1h 35m

Boston Logan Intl

Sun 1/25

9:00 am-10:55 am

Nonstop1h 55m

$227

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 2/19

1:10 pm-2:45 pm

Nonstop1h 35m

Boston Logan Intl

Sun 2/22

3:30 pm-10:03 pm

1 stop6h 33m

$233

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 1/22

2:05 pm-6:10 pm

1 stop4h 05m

Boston Logan Intl

Sun 1/25

3:30 pm-10:03 pm

1 stop6h 33m

$234

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 2/12

2:05 pm-6:10 pm

1 stop4h 05m

Boston Logan Intl

Thu 2/26

3:30 pm-10:03 pm

1 stop6h 33m

$236

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Wed 2/18

8:30 pm-10:05 pm

Nonstop1h 35m

Boston Logan Intl

Mon 2/23

9:00 am-10:57 am

Nonstop1h 57m

$239

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Thu 1/15

9:00 am-2:52 pm

1 stop5h 52m

Boston Logan Intl

Sun 1/18

6:55 pm-8:58 pm

Nonstop2h 03m

$243

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

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 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 December 15, 2025.

When flying from Region of Ontario to Maine, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 35% versus a flight at noon.

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 $265, Porter Airlines can have you in Maine from Region of Ontario in 4h 30m. Region of Ontario and Maine are separated by a distance of 444 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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.

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 John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Pearson Intl to Fort Lauderdale flights
Toronto Island to Newark flights
Pearson Intl to Newark flights
Pearson Intl to Miami flights
Pierre Elliott Trudeau Intl to Miami flights
Pearson Intl to LaGuardia flights
Pearson Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to Newark flights
Pearson Intl to Orlando flights
Vancouver Intl to Los Angeles flights
Pearson Intl to Dallas/Fort Worth flights
Pearson Intl to Los Angeles flights
Toronto Island to Fort Lauderdale flights
Pearson Intl to Tampa flights
Pierre Elliott Trudeau Intl to Orlando flights
Pearson Intl to Hobby flights
Vancouver Intl to Newark flights
Vancouver Intl to Honolulu flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Toronto Island to Orlando flights
Pearson Intl to Atlanta flights
Vancouver Intl to Las Vegas flights
Vancouver Intl to John F Kennedy Intl flights
Pearson Intl to George Bush Intcntl flights
Vancouver Intl to San Francisco flights
Pearson Intl to Boston flights
Pearson Intl to San Francisco flights
Pearson Intl to Dulles Intl flights
Toronto Island to Miami flights
Pearson Intl to Fort Myers flights
Hamilton to Fort Lauderdale flights
Vancouver Intl to Sky Harbor Intl flights
Pearson Intl to Sky Harbor Intl flights
Toronto Island to Boston flights
Pearson Intl to Reagan-National flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Pearson Intl to Seattle flights
Vancouver Intl to Kahului flights
Vancouver Intl to LaGuardia flights
Ottawa to Fort Lauderdale flights
Pearson Intl to West Palm Beach flights
Pearson Intl to O'Hare Intl flights
Québec City to Fort Lauderdale flights
Pearson Intl to Honolulu flights
Pearson Intl to Nashville flights
Calgary to Las Vegas 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.