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Cheap flights from Maine to Ontario from C$ 134

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 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
20 Dec — 27 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 20 November 2025.

Round-trip from

C$ 318

One-way from

C$ 134

Popular in

October

Cheapest in

March

Average price

C$ 1,023
Air Canada
  • Air Canada
  • 5/1-6/1
  • 1 total stop
  • 7h 52m total
  • Maine to Ontario
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25/1
  • 25/1
  • 2 total stops
  • 20h 14m total
  • Maine to Ontario
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 204 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 38 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 20 November 2025.

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$ 319
Thu 11/1210:20 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Mon 15/128:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 19/11C$ 321
Thu 18/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Thu 15/12:05 p.m.YTZ - BOS
1 stop4h 05mPorter Airlines
Deal found 19/11C$ 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$ 324
Wed 24/1210:15 a.m.BOS - YYZ
1 stop4h 25mAir Canada
Sun 28/129:00 a.m.YYZ - BOS
1 stop5h 52mAir Canada
Deal found 19/11C$ 325
Wed 17/121:25 p.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Wed 24/128:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 18/11C$ 325
Fri 19/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Wed 14/19:30 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 19/11C$ 326
Thu 11/1210:20 a.m.BOS - YTZ
Nonstop1h 55mMultiple Airlines
Mon 15/123:30 p.m.YTZ - BOS
1 stop4h 12mMultiple Airlines
Deal found 19/11C$ 328
Thu 18/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Fri 2/18:30 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 20/11C$ 329
Fri 19/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Sun 21/128:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 19/11C$ 333
Tue 16/121:25 p.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Thu 18/121:20 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 20/11C$ 335
Thu 11/126:15 a.m.BOS - YYZ
Nonstop2h 02mAir Canada
Mon 15/128:55 p.m.YYZ - BOS
Nonstop1h 42mAir Canada
Deal found 20/11C$ 338

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 20 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

Fri 12/12

3:40 p.m.-10:03 p.m.

1 stop6h 23m

Toronto Island

Sat 3/1

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

Nonstop1h 35m

C$ 324

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 17/12

10:20 a.m.-12:15 p.m.

Nonstop1h 55m

Toronto Island

Mon 29/12

8:30 p.m.-10:05 p.m.

Nonstop1h 35m

C$ 325

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 22/12

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

Nonstop1h 55m

Toronto Island

Fri 26/12

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

Nonstop1h 35m

C$ 326

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 11/12

3:40 p.m.-10:03 p.m.

1 stop6h 23m

Toronto Island

Mon 15/12

8:30 p.m.-10:05 p.m.

Nonstop1h 35m

C$ 353

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 11/12

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

Nonstop1h 55m

Toronto Island

Mon 15/12

8:30 p.m.-10:05 p.m.

Nonstop1h 35m

C$ 370

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 15/1

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

Nonstop1h 55m

Toronto Island

Mon 19/1

6:55 p.m.-8:30 p.m.

Nonstop1h 35m

C$ 371

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sat 17/1

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

Nonstop1h 55m

Toronto Island

Sat 31/1

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

Nonstop1h 35m

C$ 393

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sun 4/1

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

Nonstop1h 55m

Toronto Island

Sat 17/1

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

Nonstop1h 35m

C$ 393

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$ 393

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Fri 16/1

5:30 a.m.-10:49 a.m.

1 stop5h 19m

Toronto Pearson Intl

Sun 18/1

1:00 p.m.-7:42 p.m.

1 stop6h 42m

C$ 416

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
No data available for this route at this time. Please check back soon.

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, Air Canada, and Delta can get you from Maine to Region of Ontario in just under 5h 19m. Your travel time can differ by up to 1h 04m. The distance between Maine and Region of Ontario is about 715 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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