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$101+ 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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Maine to Ontario

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

Round-trip from

$213
(Trip.com)

One-way from

$101
(Mytrip)

Popular in

June

Cheapest in

March

Average price

$557
From Maine to Ontario
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One-way flight from Maine to Ontario
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Highest demand for flights based on searches. 10% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:55 pmBOS - YTZ
Nonstop1h 59mPorter Airlines
Mon 12/81:10 pmYTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 9/15$210
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:25 pmBOS - YTZ
Nonstop1h 59mPorter Airlines
Sun 12/78:00 amYTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 9/15$211
This Trip.com deal was found by Cheapflights users on 9/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/46:55 pmBOS - YYZ
Nonstop1h 52mAir Canada
Mon 10/68:55 pmYYZ - BOS
Nonstop1h 44mAir Canada
Deal found 9/13$213
This Trip.com deal was found by Cheapflights users on 9/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/47:15 amBOS - YTZ
Nonstop1h 49mPorter Airlines
Mon 10/68:20 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
Deal found 9/13$213
This Air Canada deal was found by Cheapflights users on 9/15. 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 10/96:00 amBOS - YTZ
1 stop5h 45mAir Canada
Mon 10/205:25 pmYTZ - BOS
1 stop4h 00mAir Canada
Deal found 9/15$214
This Air Canada deal was found by Cheapflights users on 9/15. 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.
Mon 10/66:55 pmBOS - YYZ
Nonstop1h 52mAir Canada
Wed 10/812:00 pmYYZ - BOS
1 stop5h 55mAir Canada
Deal found 9/15$215
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/237:15 pmBOS - YTZ
Nonstop1h 49mPorter Airlines
Fri 10/248:20 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
Deal found 9/14$215
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/168:45 amBOS - YTZ
Nonstop1h 49mPorter Airlines
Sun 10/199:50 amYTZ - BOS
Nonstop1h 41mPorter Airlines
Deal found 9/12$216
This Trip.com deal was found by Cheapflights users on 9/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/47:15 amBOS - YTZ
Nonstop1h 49mPorter Airlines
Wed 10/81:00 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
Deal found 9/13$217
This Booking.com deal was found by Cheapflights users on 9/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/216:00 amBOS - YTZ
1 stop5h 45mAir Canada
Tue 10/2810:25 amYTZ - BOS
2 stops8h 47mAir Canada
Deal found 9/15$218
This Trip.com deal was found by Cheapflights users on 9/14. 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.
Thu 10/98:45 amBOS - YTZ
Nonstop1h 49mPorter Airlines
Sun 10/128:20 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
Deal found 9/14$219
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/238:24 pmBOS - YYZ
1 stop17h 41mMultiple Airlines
Tue 10/2811:15 amYYZ - BOS
1 stop12h 44mMultiple Airlines
Deal found 9/15$220

Cheapflights Fare Finder

 
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 September 15, 2025.
Use the filters below to find and compare flights from Maine to Ontario that are best for you.

Fly from

Maine

Fly to

Ontario

Route

Depart

Return

Price

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 10/16

8:45 am-10:34 am

Nonstop1h 49m

Toronto Island

Sun 10/19

9:50 am-11:31 am

Nonstop1h 41m

$222

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 10/17

3:30 pm-7:03 pm

1 stop3h 33m

Toronto Island

Tue 10/21

8:20 pm-10:01 pm

Nonstop1h 41m

$226

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 10/24

12:15 pm-2:04 pm

Nonstop1h 49m

Toronto Island

Sun 10/26

8:00 am-9:35 am

Nonstop1h 35m

$228

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 10/17

12:15 pm-2:04 pm

Nonstop1h 49m

Toronto Island

Sat 10/25

9:50 am-11:31 am

Nonstop1h 41m

$230

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 10/17

3:30 pm-7:03 pm

1 stop3h 33m

Toronto Island

Mon 10/27

8:30 pm-10:05 pm

Nonstop1h 35m

$230

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 10/2

8:45 am-10:34 am

Nonstop1h 49m

Toronto Island

Mon 10/6

8:20 pm-10:01 pm

Nonstop1h 41m

$232

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 10/13

8:45 am-10:34 am

Nonstop1h 49m

Toronto Island

Mon 10/20

8:20 pm-10:01 pm

Nonstop1h 41m

$238

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 10/2

8:45 am-10:34 am

Nonstop1h 49m

Toronto Island

Thu 10/9

1:00 pm-2:41 pm

Nonstop1h 41m

$240

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 10/20

8:45 am-10:34 am

Nonstop1h 49m

Toronto Island

Wed 10/22

3:10 pm-4:51 pm

Nonstop1h 41m

$243

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 10/22

6:00 am-11:49 am

1 stop5h 49m

Toronto Pearson Intl

Wed 10/22

2:30 pm-11:59 pm

1 stop9h 29m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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.

Cheapflights Insights

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

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 September 15, 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.

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 September 15, 2025.
Get a feel of what it's like to fly with American Airlines from Maine to Ontario by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Food

6.4

Entertainment

6.9

Comfort

7.2

Overall

7.2

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Food

6.4

Entertainment

6.9

Comfort

7.2

Overall

7.2

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

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.

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

    Airlines like Porter Airlines, United Airlines, and Air Canada fly from Maine to Region of Ontario in about 1h 49m. The time it takes to get you to your destination can typically vary by up to 4h. There are 432 mi between Maine and Region of Ontario. 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 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 August is currently the most expensive (average of $348). 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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