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$115+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
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 December 22, 2024.

Round-trip from

$216
(Mytrip)

One-way from

$115
(Kiwi.com)
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 December 22, 2024.

This MaxMilhas deal was found by Cheapflights users on 12/22. 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 MaxMilhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/247:30 pmBOS - YOW
1 stop6h 07mAir Canada
Thu 12/266:10 pmYOW - BOS
1 stop4h 29mAir Canada
Deal found 12/22$294
This Mytrip deal was found by Cheapflights users on 12/21. 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 12/3110:34 amBOS - YYZ
1 stop12h 01mMultiple Airlines
Sat 1/47:05 amYYZ - BOS
2 stops16h 10mMultiple Airlines
Deal found 12/21$353
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:27 amBOS - YTZ
1 stop26h 03mMultiple Airlines
Mon 1/61:55 pmYTZ - BOS
Nonstop1h 35mMultiple Airlines
Deal found 12/21$370
This Trip.com deal was found by Cheapflights users on 12/20. 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.
Mon 12/3010:20 amBOS - YTZ
Nonstop1h 59mPorter Airlines
Fri 1/31:55 pmYTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 12/20$401
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3110:20 amBOS - YUL
1 stop4h 55mPorter Airlines
Fri 1/39:00 amYUL - BOS
1 stop4h 20mPorter Airlines
Deal found 12/21$422
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3110:20 amBOS - YUL
1 stop4h 55mMultiple Airlines
Sat 1/411:50 amYUL - BOS
2 stops11h 25mMultiple Airlines
Deal found 12/21$425
This United Airlines deal was found by Cheapflights users on 12/21. 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 12/286:10 amBOS - YYZ
Nonstop2h 06mUnited Airlines
Sun 1/198:00 amYYZ - BOS
Nonstop1h 42mUnited Airlines
Deal found 12/21$475
This Air Canada deal was found by Cheapflights users on 12/21. 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.
Sat 12/287:30 pmBOS - YYZ
Nonstop2h 00mAir Canada
Sun 1/196:25 amYYZ - BOS
1 stop3h 43mAir Canada
Deal found 12/21$480
This Air Canada deal was found by Cheapflights users on 12/20. 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.
Tue 12/3110:50 amBOS - YUL
Nonstop1h 25mAir Canada
Fri 1/38:40 amYUL - BOS
Nonstop1h 28mAir Canada
Deal found 12/20$480
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Tue 12/315:29 pmBOS - YUL
1 stop4h 13mUnited Airlines
Fri 1/38:40 amYUL - BOS
Nonstop1h 28mUnited Airlines
Deal found 12/21$489
This Kiwi.com deal was found by Cheapflights users on 12/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/276:35 pmBOS - YTZ
Nonstop1h 59mAir Transat
Fri 1/311:45 amYTZ - BOS
Nonstop1h 35mAir Transat
Deal found 12/20$533
This American Airlines deal was found by Cheapflights users on 12/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/318:00 amBOS - YUL
1 stop4h 20mAmerican Airlines
Tue 12/315:35 pmYUL - BOS
2 stops29h 17mAmerican Airlines
Deal found 12/20$552

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 December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 2/6

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 - YYZ

BOSYYZ

Boston Logan Intl

Thu 2/20

5:40 am-11:55 pm

1 stop18h 15m

Toronto Pearson Intl

Mon 2/24

9:00 am-9:13 am

3 stops24h 13m

$250

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 2/5

6:00 am-10:23 pm

2 stops16h 23m

Toronto Island

Wed 2/12

3:30 pm-9:13 am

2 stops17h 43m

$269

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 1/23

10:20 am-5:09 pm

1 stop6h 49m

Ottawa

Sun 1/26

6:20 am-12:50 pm

1 stop6h 30m

$282

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 2/5

10:20 am-12:19 pm

Nonstop1h 59m

Toronto Island

Wed 2/12

1:05 pm-6:15 pm

1 stop5h 10m

$292

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Mon 1/20

6:18 pm-11:45 am

2 stops17h 27m

Toronto Pearson Intl

Sun 1/26

7:00 pm-5:38 pm

2 stops22h 38m

$310

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Mon 1/20

6:00 am-12:37 pm

1 stop6h 37m

Toronto Pearson Intl

Sun 1/26

9:00 am-2:42 pm

1 stop5h 42m

$311

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Sat 1/11

2:00 pm-6:15 pm

1 stop4h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 1/12

10:00 am-3:30 pm

1 stop5h 30m

$314

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

Fri 1/31

5:24 am-1:00 pm

2 stops7h 36m

Toronto Pearson Intl

Sun 2/2

10:59 am-11:57 pm

1 stop12h 58m

$320

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 1/9

6:25 am-5:15 pm

1 stop10h 50m

Ottawa

Mon 1/13

5:00 pm-6:15 pm

Nonstop1h 15m

$326

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 59 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 December 22, 2024.

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 December 22, 2024.
See what other customers who have flown with Air Canada, American Airlines and United Airlines 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
8,594 reviews

Overall

8.0

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Boarding

8.2

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
8,594 reviews
Delta
8.0
Very good
8,594 reviews

Overall

8.0

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

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

Porter Airlines
7.8
Good
282 reviews
Delta
8.0
Very good
8,594 reviews

Overall

8.0

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Boarding

8.2

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
386 reviews
Delta
8.0
Very good
8,594 reviews

Overall

8.0

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Boarding

8.2

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
9,028 reviews
Delta
8.0
Very good
8,594 reviews

Overall

8.0

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Boarding

8.2

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
8,594 reviews

Overall

8.0

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Boarding

8.2

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 $129 on Air Canada. Other airlines that offer cheap prices include Porter Airlines from $134 and United Airlines from $161 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 December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$247Average$504FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$318Average$491FlexibilityNo cancel feeOn-time69%
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