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$107+ Cheap flights from Maine to Ontario

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Maine to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Maine (USME) to Ontario (CAON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$216
(Mytrip)

One-way from

$116
(Mytrip)
From Maine to Ontario
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One-way flight from Maine to Ontario
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Find flight deals from Maine to Ontario

Cheapest flights from Maine to Ontario
Explore the most affordable flight options available from Maine to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Mytrip deal was found by Cheapflights users on 1/21. 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.
Tue 2/46:00 amBOS - YUL
1 stop8h 55mMultiple Airlines
Tue 2/113:55 pmYUL - BOS
1 stop17h 18mMultiple Airlines
Deal found 1/21$216
This flugladen.de deal was found by Cheapflights users on 1/20. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/62:05 pmBOS - YTZ
Nonstop1h 59mPorter Airlines
Thu 3/136:40 pmYTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 1/20$227
This Mytrip deal was found by Cheapflights users on 1/21. 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.
Thu 2/1310:20 amBOS - YTZ
Nonstop1h 59mMultiple Airlines
Sat 2/151:55 pmYTZ - BOS
Nonstop1h 35mMultiple Airlines
Deal found 1/21$234
This Mytrip deal was found by Cheapflights users on 1/21. 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 2/511:31 amBOS - YYZ
1 stop12h 24mMultiple Airlines
Thu 2/67:05 amYYZ - BOS
1 stop16h 27mMultiple Airlines
Deal found 1/21$235
This Trip.com deal was found by Cheapflights users on 1/20. 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 2/124:20 pmBOS - YOW
Nonstop1h 29mPorter Airlines
Wed 2/263:40 pmYOW - BOS
1 stop4h 40mPorter Airlines
Deal found 1/20$237
This Mytrip deal was found by Cheapflights users on 1/20. 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.
Thu 2/2010:20 amBOS - YUL
1 stop6h 25mPorter Airlines
Mon 2/244:00 pmYUL - BOS
1 stop4h 15mPorter Airlines
Deal found 1/20$244
This Mytrip deal was found by Cheapflights users on 1/20. 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.
Tue 3/410:03 amBOS - YOW
1 stop10h 12mMultiple Airlines
Tue 3/113:40 pmYOW - BOS
1 stop4h 35mMultiple Airlines
Deal found 1/20$267
This Air Canada deal was found by Cheapflights users on 1/21. 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 2/2010:25 amBOS - YYZ
Nonstop2h 00mAir Canada
Thu 2/278:00 amYYZ - BOS
Nonstop1h 42mAir Canada
Deal found 1/21$279
This Flightnetwork deal was found by Cheapflights users on 1/20. 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.
Thu 2/203:40 pmBOS - YUL
Nonstop1h 25mAir Canada
Mon 2/248:40 amYUL - BOS
Nonstop1h 29mAir Canada
Deal found 1/20$287
This Air Canada deal was found by Cheapflights users on 1/20. 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.
Fri 3/213:40 pmBOS - YTZ
1 stop6h 10mAir Canada
Sun 3/233:25 pmYTZ - BOS
1 stop5h 19mAir Canada
Deal found 1/20$295
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Sat 3/1510:50 amBOS - YUL
Nonstop1h 25mUnited Airlines
Wed 3/193:25 pmYUL - BOS
Nonstop1h 28mUnited Airlines
Deal found 1/21$297
This American Airlines deal was found by Cheapflights users on 1/21. 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.
Tue 2/45:44 amPWM - YYZ
1 stop4h 35mAmerican Airlines
Tue 2/41:55 pmYYZ - PWM
2 stops10h 02mAmerican Airlines
Deal found 1/21$310

Find flights from Maine to Ontario within your budget

Customize your flight search to find flights from Maine to Ontario 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Tue 2/4

6:00 am-2:55 pm

1 stop8h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 2/11

3:55 pm-9:13 am

1 stop17h 18m

$216

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 3/6

2:05 pm-4:04 pm

Nonstop1h 59m

Toronto Island

Thu 3/13

6:40 pm-8:15 pm

Nonstop1h 35m

$227

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 2/13

10:20 am-12:19 pm

Nonstop1h 59m

Toronto Island

Sat 2/15

1:55 pm-3:30 pm

Nonstop1h 35m

$234

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 2/5

11:31 am-11:55 pm

1 stop12h 24m

Toronto Pearson Intl

Thu 2/6

7:05 am-11:32 pm

1 stop16h 27m

$235

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Wed 2/12

4:20 pm-5:49 pm

Nonstop1h 29m

Ottawa

Wed 2/26

5:00 pm-6:35 pm

Nonstop1h 35m

$237

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 2/20

10:20 am-4:45 pm

1 stop6h 25m

Montreal Pierre Elliott Trudeau Intl

Mon 2/24

4:00 pm-8:15 pm

1 stop4h 15m

$244

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Tue 3/4

10:03 am-8:15 pm

1 stop10h 12m

Ottawa

Tue 3/11

3:40 pm-8:15 pm

1 stop4h 35m

$267

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 2/20

10:25 am-12:25 pm

Nonstop2h 00m

Toronto Pearson Intl

Thu 2/20

8:55 pm-10:37 pm

Nonstop1h 42m

$279

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Wed 3/5

7:00 am-8:23 am

Nonstop1h 23m

Montreal Pierre Elliott Trudeau Intl

Wed 3/19

8:35 am-10:03 am

Nonstop1h 28m

$286

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 3/21

3:40 pm-9:50 pm

1 stop6h 10m

Toronto Island

Sun 3/23

3:25 pm-8:44 pm

1 stop5h 19m

$295

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 60 results
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Best time to book a flight from Maine to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Maine 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.

Travel insights for flights from Maine to Ontario

Get recent, data-driven insights about flights from Maine to Ontario including ideal travel times, pricing trends, and more.

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

Find hourly flight availability from Maine to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

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

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Region of Ontario, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated January 21, 2025.
See what other customers who have flown with American Airlines, Delta and WestJet from Maine to Ontario have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Porter Airlines
7.9
Good
277 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Transat
7.8
Good
381 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,984 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Maine to Ontario. 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 Maine to Region of Ontario one-way?

    One-way options have recently been found by users for as low as $116 on Porter Airlines. Other airlines that offer cheap prices include Air Canada from $131 and Delta from $135 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Maine to Ontario 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 Maine to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Maine to Region of Ontario (average of $243). Flying from Maine to Region of Ontario in July is currently the most expensive (average of $359). 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

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Alternative routes for Maine to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Maine to Ontario

Discover the top 2 airlines that operate flights from Maine to Ontario. 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$247Average$504FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$318Average$491FlexibilityNo cancel feeOn-time69%
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