HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Maine

$126+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — PWM
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Round-trip from

$205
(Kiwi.com)

One-way from

$126
(Cheapflightsfares)

Popular in

February

Cheapest in

August

Average price

$440
From Ontario to Maine
Search Deals
One-way flight from Ontario to Maine
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Tue 5/131:25 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
Thu 5/153:50 pmBOS - YTZ
1 stop3h 37mPorter Airlines
Deal found 4/29$205
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/209:10 amYYZ - BOS
2 stops8h 58mPorter Airlines
Mon 6/238:45 amBOS - YYZ
1 stop3h 43mPorter Airlines
Deal found 4/30$240
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Wed 5/284:00 pmYYZ - BOS
1 stop17h 35mMultiple Airlines
Wed 6/43:49 pmBOS - YYZ
1 stop22h 16mMultiple Airlines
Deal found 4/30$247
This Booking.com deal was found by Cheapflights users on 4/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/139:45 amYYZ - BOS
Nonstop1h 43mAir Canada
Fri 6/205:50 amBOS - YYZ
1 stop5h 50mAir Canada
Deal found 4/28$250
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/223:25 pmYOW - BOS
1 stop4h 11mPorter Airlines
Mon 5/2611:05 amBOS - YOW
1 stop5h 28mPorter Airlines
Deal found 4/30$253
This Air Canada deal was found by Cheapflights users on 4/29. 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.
Sat 6/710:20 amYTZ - BOS
2 stops7h 37mAir Canada
Sun 6/225:50 amBOS - YTZ
2 stops5h 41mAir Canada
Deal found 4/29$254
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/136:03 amYYZ - BOS
1 stop5h 47mDelta
Sat 5/176:05 amBOS - YYZ
1 stop5h 15mDelta
Deal found 4/29$256
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Thu 6/510:45 amYUL - BOS
1 stop4h 21mPorter Airlines
Sun 6/89:20 amBOS - YUL
1 stop4h 30mPorter Airlines
Deal found 4/30$256
This SmartFares deal was found by Cheapflights users on 4/30. 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.
Thu 5/229:50 amYTZ - BOS
Nonstop1h 41mAir Transat
Sun 5/256:55 pmBOS - YTZ
Nonstop1h 49mAir Transat
Deal found 4/30$266
This Booking.com deal was found by Cheapflights users on 4/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/144:30 pmYUL - BOS
Nonstop1h 27mAir Canada
Sat 6/216:50 pmBOS - YUL
Nonstop1h 25mAir Canada
Deal found 4/30$274
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/86:30 amYYZ - BOS
1 stop6h 38mAmerican Airlines
Mon 6/96:00 amBOS - YYZ
1 stop6h 04mAmerican Airlines
Deal found 4/29$277
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/186:00 amYUL - BOS
1 stop5h 23mDelta
Wed 6/251:00 pmBOS - YUL
2 stops10h 13mDelta
Deal found 4/30$278

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 May 1, 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

Tue 5/13

1:25 pm-3:06 pm

Nonstop1h 41m

Boston Logan Intl

Thu 5/15

3:50 pm-7:27 pm

1 stop3h 37m

$205

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Fri 6/20

9:10 am-6:08 pm

2 stops8h 58m

Boston Logan Intl

Mon 6/23

8:45 am-12:28 pm

1 stop3h 43m

$240

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Wed 5/28

4:00 pm-9:35 am

1 stop17h 35m

Boston Logan Intl

Wed 6/4

3:49 pm-2:05 pm

1 stop22h 16m

$247

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Fri 6/13

9:45 am-11:28 am

Nonstop1h 43m

Boston Logan Intl

Fri 6/20

5:50 am-11:40 am

1 stop5h 50m

$250

OttawaBoston

YOW - BOS

YOWBOS

Ottawa

Thu 5/22

3:25 pm-7:36 pm

1 stop4h 11m

Boston Logan Intl

Mon 5/26

11:05 am-4:33 pm

1 stop5h 28m

$253

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sat 6/7

10:20 am-5:57 pm

2 stops7h 37m

Boston Logan Intl

Sun 6/22

5:50 am-11:31 am

2 stops5h 41m

$254

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Tue 5/13

6:03 am-11:50 am

1 stop5h 47m

Boston Logan Intl

Sat 5/17

6:05 am-11:20 am

1 stop5h 15m

$256

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Thu 6/5

10:45 am-3:06 pm

1 stop4h 21m

Boston Logan Intl

Sun 6/8

9:20 am-1:50 pm

1 stop4h 30m

$256

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 5/22

9:50 am-11:31 am

Nonstop1h 41m

Boston Logan Intl

Sun 5/25

6:55 pm-8:44 pm

Nonstop1h 49m

$266

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Sat 6/14

4:30 pm-5:57 pm

Nonstop1h 27m

Boston Logan Intl

Sat 6/21

6:50 pm-8:15 pm

Nonstop1h 25m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 May is currently the most expensive (average of $405). 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 May 1, 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.

Rainfall in Maine by month

Plan your trip to Maine by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Maine ranges from 2.9 - 4.5 inches per month. November is typically the wettest month, when rainfall can reach 4.5 in. August is typically the driest time to visit Maine when rainfall is around 2.9 in.

Temperature in Maine by month

Plan your trip to Maine by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Maine, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Maine

Get insights into the airlines that provide service to Maine. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Maine. Reviews last updated May 1, 2025.
Read through reviews of airlines operating flights from Ontario to Maine, such as Porter Airlines, Delta and Air Transat. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
285 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.0

Comfort

8.1

Food

7.6

Crew

8.8

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Porter Airlines
8.0
Very good
285 reviews
Porter Airlines
8.0
Very good
285 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.0

Comfort

8.1

Food

7.6

Crew

8.8

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Delta
8.0
Very good
7,934 reviews
Porter Airlines
8.0
Very good
285 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.0

Comfort

8.1

Food

7.6

Crew

8.8

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Air Transat
7.8
Good
385 reviews
Porter Airlines
8.0
Very good
285 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.0

Comfort

8.1

Food

7.6

Crew

8.8

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
United Airlines
7.4
Good
8,696 reviews
Porter Airlines
8.0
Very good
285 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.0

Comfort

8.1

Food

7.6

Crew

8.8

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
285 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.0

Comfort

8.1

Food

7.6

Crew

8.8

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

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.

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

    $126 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 Air Transat, with prices starting from $145 and $152, 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 May is currently the most expensive (average of $405). 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
Pierre Elliott Trudeau Intl to Newark flights
Pearson Intl to Los Angeles flights
Pearson Intl to Fort Lauderdale flights
Vancouver Intl to Los Angeles flights
Pearson Intl to San Francisco flights
Vancouver Intl to Newark flights
Pearson Intl to Dallas/Fort Worth flights
Pearson Intl to Orlando flights
Vancouver Intl to Las Vegas flights
Pearson Intl to Miami flights
Pierre Elliott Trudeau Intl to Miami flights
Vancouver Intl to John F Kennedy Intl flights
Pearson Intl to Dulles Intl flights
Pearson Intl to O'Hare Intl flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pearson Intl to Reagan-National flights
Pearson Intl to Seattle flights
Vancouver Intl to O'Hare Intl flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Pearson Intl to Hobby flights
Vancouver Intl to San Diego flights
Pearson Intl to Tampa flights
Pearson Intl to Boston flights
Pearson Intl to Atlanta flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Vancouver Intl to LaGuardia flights
Pearson Intl to George Bush Intcntl flights
Toronto Island to Boston flights
Toronto Island to Fort Lauderdale flights
Pearson Intl to Austin flights
Pearson Intl to Nashville flights
Vancouver Intl to Kahului flights
Vancouver Intl to San Francisco flights
Toronto Island to Dulles Intl flights
Toronto Island to Midway flights
Vancouver Intl to Portland flights
Vancouver Intl to Sky Harbor Intl flights
Pearson Intl to Sky Harbor Intl flights
Pierre Elliott Trudeau Intl to San Francisco flights
Vancouver Intl to Honolulu flights
Vancouver Intl to Atlanta flights
Pearson Intl to Denver flights
Pearson Intl to Midway flights

Top airline flying from Ontario to Maine

Discover the top airline that operate flights from Ontario to Maine. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$395Average$617FlexibilityNo cancel feeOn-time69%

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.