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Ontario

$97+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
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 April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$195
(Mytrip)

One-way from

$97
(Mytrip)

Popular in

November

Cheapest in

September

Average price

$538
Provider with most accurate pricing for Portland-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Portland-Toronto (YTO) flights.
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From Maine to Ontario
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One-way flight from Maine to Ontario
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 2, 2025.

This Mytrip deal was found by Cheapflights users on 4/1. 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 4/157:59 pmBOS - YYZ
1 stop15h 46mMultiple Airlines
Sat 4/198:15 pmYYZ - BOS
1 stop16h 21mMultiple Airlines
Deal found 4/1$195
This Cheapflightsfares deal was found by Cheapflights users on 4/1. 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.
Wed 4/167:05 amBOS - YTZ
Nonstop1h 59mPorter Airlines
Sun 4/209:05 amYTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 4/1$200
This Mytrip deal was found by Cheapflights users on 4/1. 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 4/174:10 pmBOS - YTZ
1 stop6h 13mMultiple Airlines
Sun 4/208:25 amYTZ - BOS
1 stop6h 32mMultiple Airlines
Deal found 4/1$208
This Flightnetwork deal was found by Cheapflights users on 4/1. 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.
Wed 5/216:00 amBOS - YYZ
Nonstop1h 54mAir Canada
Wed 5/212:05 pmYYZ - BOS
Nonstop1h 43mAir Canada
Deal found 4/1$209
This Flightnetwork deal was found by Cheapflights users on 4/1. 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 5/811:05 amBOS - YUL
1 stop4h 55mPorter Airlines
Sun 5/1110:45 amYUL - BOS
1 stop4h 21mPorter Airlines
Deal found 4/1$213
This Flightnetwork deal was found by Cheapflights users on 4/1. 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 5/13:20 pmBOS - YUL
Nonstop1h 24mMultiple Airlines
Sun 5/42:30 pmYUL - BOS
1 stop7h 01mMultiple Airlines
Deal found 4/1$218
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 4/236:00 amBOS - YYZ
1 stop8h 35mAmerican Airlines
Wed 4/235:25 pmYYZ - BOS
1 stop6h 19mAmerican Airlines
Deal found 4/1$219
This Air Canada deal was found by Cheapflights users on 4/1. 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 4/153:40 pmBOS - YTZ
1 stop5h 55mAir Canada
Tue 4/2210:25 amYTZ - BOS
1 stop4h 32mAir Canada
Deal found 4/1$232
This Flightnetwork deal was found by Cheapflights users on 4/1. 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 5/110:20 amBOS - YUL
Nonstop1h 25mAir Canada
Sun 5/41:05 pmYUL - BOS
Nonstop1h 27mAir Canada
Deal found 4/1$236
This Trip.com deal was found by Cheapflights users on 4/1. 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 5/1012:15 pmBOS - YOW
1 stop5h 58mPorter Airlines
Tue 5/133:25 pmYOW - BOS
1 stop6h 06mPorter Airlines
Deal found 4/1$240
This Trip.com deal was found by Cheapflights users on 4/1. 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 5/103:50 pmBOS - YOW
Nonstop1h 28mMultiple Airlines
Tue 5/1310:15 amYOW - BOS
1 stop4h 51mMultiple Airlines
Deal found 4/1$261
This Gotogate deal was found by Cheapflights users on 4/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/28:45 amBOS - YYZ
1 stop3h 43mPorter Airlines
Sun 5/47:35 amYYZ - BOS
2 stops10h 33mPorter Airlines
Deal found 4/1$272

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 April 2, 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 - YYZ

BOSYYZ

Boston Logan Intl

Tue 4/15

7:59 pm-11:45 am

1 stop15h 46m

Toronto Pearson Intl

Sat 4/19

8:15 pm-12:36 pm

1 stop16h 21m

$195

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 4/16

7:05 am-9:04 am

Nonstop1h 59m

Toronto Island

Sun 4/20

9:05 am-10:40 am

Nonstop1h 35m

$200

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 4/17

4:10 pm-10:23 pm

1 stop6h 13m

Toronto Island

Sun 4/20

8:25 am-2:57 pm

1 stop6h 32m

$208

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 5/21

6:00 am-7:54 am

Nonstop1h 54m

Toronto Pearson Intl

Wed 5/21

2:05 pm-3:48 pm

Nonstop1h 43m

$209

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 5/8

11:05 am-4:00 pm

1 stop4h 55m

Montreal Pierre Elliott Trudeau Intl

Sun 5/11

10:45 am-3:06 pm

1 stop4h 21m

$213

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 5/1

3:20 pm-4:44 pm

Nonstop1h 24m

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

2:30 pm-9:31 pm

1 stop7h 01m

$218

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 4/23

6:00 am-2:35 pm

1 stop8h 35m

Toronto Pearson Intl

Wed 4/23

5:25 pm-11:44 pm

1 stop6h 19m

$219

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Tue 4/15

3:40 pm-9:35 pm

1 stop5h 55m

Toronto Island

Tue 4/22

10:25 am-2:57 pm

1 stop4h 32m

$232

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 5/1

10:20 am-11:45 am

Nonstop1h 25m

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

1:05 pm-2:32 pm

Nonstop1h 27m

$236

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Sat 5/10

12:15 pm-6:13 pm

1 stop5h 58m

Ottawa

Tue 5/13

3:25 pm-9:31 pm

1 stop6h 06m

$240

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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 April 2, 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 April 2, 2025.
See what other customers who have flown with Delta, Porter Airlines and Air Transat 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
7,898 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,898 reviews
Delta
8.0
Very good
7,898 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Porter Airlines
7.9
Good
278 reviews
Delta
8.0
Very good
7,898 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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
7,898 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,616 reviews
Delta
8.0
Very good
7,898 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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
7,898 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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 $97 on Porter Airlines. Other airlines that offer cheap prices include Air Canada from $99 and American Airlines from $105 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 airline flying from Maine to Ontario

Discover the top airline 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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$247Average$379FlexibilityNo cancel feeOn-time71%

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