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Cheap flights from Maine to Ontario from C$ 154

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 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
5 May — 12 May1
1 adult

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 30 April 2025.

Round-trip from

C$ 305

One-way from

C$ 154

Popular in

April

Cheapest in

September

Average price

C$ 750
Porter Airlines
  • Porter Airlines
  • 14/8-21/8
  • Nonstop
  • 3h 30m total
  • Maine to Ontario
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Porter Airlines
  • Porter Airlines
  • 27/5
  • 1 total stop
  • 3h 37m total
  • Maine to Ontario
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 145 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 25 potential savings vs. average RT price).
Search Deals
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 30 April 2025.

Thu 14/86:55 p.m.BOS - YTZ
Nonstop1h 49mPorter Airlines
Thu 21/81:25 p.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
Deal found 28/4C$ 305
Wed 4/610:04 a.m.BOS - YYZ
2 stops26h 26mMultiple Airlines
Sat 7/66:30 a.m.YYZ - BOS
1 stop16h 59mMultiple Airlines
Deal found 29/4C$ 314
Thu 15/53:20 p.m.BOS - YTZ
1 stop4h 30mMultiple Airlines
Sun 18/55:55 p.m.YTZ - BOS
Nonstop1h 41mMultiple Airlines
Deal found 29/4C$ 339
Wed 18/610:10 a.m.BOS - YUL
1 stop5h 50mPorter Airlines
Mon 23/66:55 a.m.YUL - BOS
1 stop4h 36mPorter Airlines
Deal found 28/4C$ 343
Thu 15/56:00 a.m.BOS - YYZ
Nonstop1h 54mAir Canada
Sun 18/58:55 p.m.YYZ - BOS
Nonstop1h 43mAir Canada
Deal found 29/4C$ 364
Fri 6/68:45 a.m.BOS - YYZ
1 stop3h 43mPorter Airlines
Fri 13/69:10 a.m.YYZ - BOS
2 stops8h 58mPorter Airlines
Deal found 28/4C$ 372
Thu 26/612:15 p.m.BOS - YOW
1 stop4h 18mPorter Airlines
Sat 28/67:00 a.m.YOW - BOS
1 stop4h 31mPorter Airlines
Deal found 28/4C$ 399
Tue 13/52:00 p.m.BOS - YYZ
1 stop8h 54mDelta
Wed 28/56:15 a.m.YYZ - BOS
1 stop6h 03mDelta
Deal found 29/4C$ 412
Sat 31/57:15 a.m.BOS - YUL
1 stop6h 35mMultiple Airlines
Sun 15/68:10 a.m.YUL - BOS
Nonstop1h 25mMultiple Airlines
Deal found 28/4C$ 414
Sat 17/53:20 p.m.BOS - YTZ
1 stop6h 15mAir Canada
Sat 31/58:25 a.m.YTZ - BOS
1 stop6h 07mAir Canada
Deal found 29/4C$ 417
Tue 27/56:00 a.m.BOS - YYZ
1 stop5h 44mUnited Airlines
Tue 27/52:05 p.m.YYZ - BOS
Nonstop1h 43mUnited Airlines
Deal found 29/4C$ 426
Thu 29/53:20 p.m.BOS - YUL
Nonstop1h 24mAir Canada
Sun 1/68:10 a.m.YUL - BOS
Nonstop1h 25mAir Canada
Deal found 29/4C$ 426

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 629,999 searches. Data last updated 30 April 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 14/8

6:55 p.m.-8:44 p.m.

Nonstop1h 49m

Toronto Island

Thu 21/8

1:25 p.m.-3:06 p.m.

Nonstop1h 41m

C$ 305

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 4/6

10:04 a.m.-12:30 p.m.

2 stops26h 26m

Toronto Pearson Intl

Sat 7/6

6:30 a.m.-11:29 p.m.

1 stop16h 59m

C$ 314

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 15/5

3:20 p.m.-7:50 p.m.

1 stop4h 30m

Toronto Island

Sun 18/5

5:55 p.m.-7:36 p.m.

Nonstop1h 41m

C$ 339

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Wed 18/6

10:10 a.m.-4:00 p.m.

1 stop5h 50m

Montreal Pierre Elliott Trudeau Intl

Mon 23/6

6:55 a.m.-11:31 a.m.

1 stop4h 36m

C$ 343

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 15/5

6:00 a.m.-7:54 a.m.

Nonstop1h 54m

Toronto Pearson Intl

Sun 18/5

8:55 p.m.-10:38 p.m.

Nonstop1h 43m

C$ 364

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Fri 6/6

8:45 a.m.-12:28 p.m.

1 stop3h 43m

Toronto Pearson Intl

Fri 13/6

9:10 a.m.-6:08 p.m.

2 stops8h 58m

C$ 372

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 26/6

12:15 p.m.-4:33 p.m.

1 stop4h 18m

Ottawa

Sat 28/6

7:00 a.m.-11:31 a.m.

1 stop4h 31m

C$ 399

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Tue 13/5

2:00 p.m.-10:54 p.m.

1 stop8h 54m

Toronto Pearson Intl

Wed 28/5

6:15 a.m.-12:18 p.m.

1 stop6h 03m

C$ 412

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Sat 31/5

7:15 a.m.-1:50 p.m.

1 stop6h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 15/6

8:10 a.m.-9:35 a.m.

Nonstop1h 25m

C$ 414

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sat 17/5

3:20 p.m.-9:35 p.m.

1 stop6h 15m

Toronto Island

Sat 31/5

8:25 a.m.-2:32 p.m.

1 stop6h 07m

C$ 417

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/4

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 30 April 2025.

When flying from Maine to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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 30 April 2025.
To help decide which airline to fly from Maine to Ontario, see what other customers have to say about Porter Airlines, Delta and Air Transat. 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.
Porter Airlines
8.0
Very good
285 reviews
Check prices

Food

7.6

Boarding

8.2

Overall

8.0

Comfort

8.1

Crew

8.8

Entertainment

7.0

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
Check prices

Food

7.6

Boarding

8.2

Overall

8.0

Comfort

8.1

Crew

8.8

Entertainment

7.0

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
7,936 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Food

7.6

Boarding

8.2

Overall

8.0

Comfort

8.1

Crew

8.8

Entertainment

7.0

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
Check prices

Food

7.6

Boarding

8.2

Overall

8.0

Comfort

8.1

Crew

8.8

Entertainment

7.0

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
Check prices

Food

7.6

Boarding

8.2

Overall

8.0

Comfort

8.1

Crew

8.8

Entertainment

7.0

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
Check prices

Food

7.6

Boarding

8.2

Overall

8.0

Comfort

8.1

Crew

8.8

Entertainment

7.0

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 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?

    For one-way options, check prices for Porter Airlines. According to our data, you can fly for as low as C$ 154. Users have also found prices from C$ 167 and C$ 176 on Delta and Air Canada, respectively.

  • 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 C$ 167). Flying from Maine to Region of Ontario in July is currently the most expensive (average of C$ 258). 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

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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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