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Cheap flights from Maine to Ontario from C$ 128

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 16/12. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
19 Dec — 26 Dec1
1 adult
1 adult, Economy, 0 bags

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 19 November 2025.

Round-trip from

C$ 314

One-way from

C$ 128

Popular in

October

Cheapest in

March

Average price

C$ 1,019
Porter Airlines
  • Porter Airlines
  • 22/12-26/12
  • Nonstop
  • 3h 30m total
  • Maine to Ontario
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16/12
  • 16/12
  • 1 total stop
  • 28h 00m total
  • Maine to Ontario
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 203 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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Find flight deals from Maine to Ontario

Enter your travel dates to find the best prices.

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 19 November 2025.

Mon 22/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Fri 26/1211:05 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 16/11C$ 314
Thu 11/121:25 p.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Mon 15/128:30 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 17/11C$ 317
Thu 18/123:40 p.m.BOS - YTZ
1 stop6h 23mPorter Airlines
Wed 14/12:05 p.m.YTZ - BOS
1 stop4h 05mPorter Airlines
Deal found 19/11C$ 318
Fri 19/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Tue 13/12:05 p.m.YTZ - BOS
1 stop4h 05mPorter Airlines
Deal found 19/11C$ 321
Thu 11/123:40 p.m.BOS - YYZ
1 stop4h 33mMultiple Airlines
Mon 15/127:10 a.m.YYZ - BOS
1 stop26h 51mMultiple Airlines
Deal found 18/11C$ 322
Fri 12/123:40 p.m.BOS - YTZ
1 stop6h 23mPorter Airlines
Sat 3/18:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 18/11C$ 322
Wed 17/1210:20 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Fri 26/1211:05 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 18/11C$ 324
Mon 22/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Wed 24/121:20 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 18/11C$ 325
Mon 8/1210:20 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Fri 12/128:30 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 17/11C$ 327
Thu 11/123:40 p.m.BOS - YTZ
1 stop6h 23mMultiple Airlines
Mon 15/123:30 p.m.YTZ - BOS
1 stop4h 12mMultiple Airlines
Deal found 18/11C$ 328
Sat 20/127:00 p.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Fri 2/18:30 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 18/11C$ 330
Thu 11/123:40 p.m.BOS - YTZ
1 stop6h 23mPorter Airlines
Fri 12/1210:40 a.m.YTZ - BOS
2 stops7h 31mPorter Airlines
Deal found 17/11C$ 331

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 19 November 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

Tue 13/1

6:55 p.m.-8:50 p.m.

Nonstop1h 55m

Toronto Island

Wed 21/1

2:05 p.m.-6:10 p.m.

1 stop4h 05m

C$ 321

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sat 3/1

7:05 a.m.-9:00 a.m.

Nonstop1h 55m

Toronto Island

Sat 10/1

9:30 a.m.-11:05 a.m.

Nonstop1h 35m

C$ 362

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 15/12

7:00 a.m.-8:55 a.m.

Nonstop1h 55m

Toronto Island

Mon 22/12

1:20 p.m.-2:55 p.m.

Nonstop1h 35m

C$ 391

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 5/2

3:30 p.m.-5:03 p.m.

Nonstop1h 33m

Ottawa

Sat 7/2

4:20 p.m.-11:57 p.m.

3 stops31h 37m

C$ 391

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 7/1

6:55 p.m.-8:50 p.m.

Nonstop1h 55m

Toronto Island

Mon 19/1

1:10 p.m.-2:45 p.m.

Nonstop1h 35m

C$ 391

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sun 11/1

9:00 a.m.-10:55 a.m.

Nonstop1h 55m

Toronto Island

Sun 25/1

9:30 a.m.-11:05 a.m.

Nonstop1h 35m

C$ 391

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 24/4

6:55 p.m.-8:54 p.m.

Nonstop1h 59m

Toronto Island

Sun 26/4

8:00 a.m.-9:35 a.m.

Nonstop1h 35m

C$ 391

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 12/1

9:00 a.m.-10:55 a.m.

Nonstop1h 55m

Toronto Island

Mon 26/1

9:30 a.m.-11:05 a.m.

Nonstop1h 35m

C$ 391

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 14/1

6:55 p.m.-8:50 p.m.

Nonstop1h 55m

Toronto Island

Tue 27/1

9:30 a.m.-11:05 a.m.

Nonstop1h 35m

C$ 391

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 24/12

7:00 a.m.-8:55 a.m.

Nonstop1h 55m

Toronto Island

Thu 1/1

11:05 a.m.-12:40 p.m.

Nonstop1h 35m

C$ 391

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/11

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

How much does it cost to fly round-trip from Maine to Region of Ontario?

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?

    Porter Airlines, United Airlines, and Delta can get you from Maine to Region of Ontario in just under 1h 55m. Your travel time can differ by up to 3h 52m. The distance between Maine and Region of Ontario is about 695 km. When browsing for deals, the options you’ll see will be for both direct 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.

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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Newark to Pearson Intl flights
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Boston to Pierre Elliott Trudeau Intl flights
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George Bush Intcntl to Pearson Intl flights
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O'Hare Intl to Pierre Elliott Trudeau Intl flights
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Tampa to Pearson Intl flights

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How does Cheapflights help users find flights from Maine to Ontario?

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