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Cheap flights from Maine to Ontario from C$ 139

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 27/1. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap 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 12 December 2025.

Tue 30/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Tue 6/110:30 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 11/12C$ 360
Wed 31/1210:20 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Wed 7/16:55 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 11/12C$ 361
Wed 31/126:15 a.m.BOS - YYZ
Nonstop2h 02mAir Canada
Thu 8/18:55 p.m.YYZ - BOS
Nonstop1h 42mAir Canada
Deal found 10/12C$ 374
Tue 30/1210:20 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Fri 2/18:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 10/12C$ 382
Wed 31/1210:20 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Thu 8/110:40 a.m.YTZ - BOS
2 stops7h 30mPorter Airlines
Deal found 10/12C$ 397
Tue 30/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Thu 1/11:10 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 9/12C$ 399
Wed 31/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Thu 1/11:10 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 9/12C$ 408
Wed 31/1210:20 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Sat 10/110:30 a.m.YTZ - BOS
1 stop7h 40mPorter Airlines
Deal found 11/12C$ 410
Wed 31/126:15 a.m.BOS - YYZ
Nonstop2h 02mAir Canada
Tue 6/112:30 a.m.YYZ - BOS
1 stop9h 02mAir Canada
Deal found 11/12C$ 430
Wed 31/1210:20 a.m.BOS - YUL
1 stop5h 00mPorter Airlines
Mon 5/16:25 p.m.YUL - BOS
1 stop3h 40mPorter Airlines
Deal found 10/12C$ 445
Wed 31/1210:20 a.m.BOS - YUL
1 stop6h 55mPorter Airlines
Thu 8/110:45 a.m.YUL - BOS
1 stop4h 00mPorter Airlines
Deal found 10/12C$ 456
Wed 31/127:00 a.m.BOS - YUL
1 stop5h 45mPorter Airlines
Fri 2/18:55 a.m.YUL - BOS
1 stop3h 45mPorter Airlines
Deal found 10/12C$ 470

Find flight deals from Maine to Ontario

Keep the following information in mind while searching for Maine to Ontario flight deals. Data was last updated 12 December 2025.

Round-trip from

C$ 314

One-way from

C$ 139

Popular in

December

Cheapest in

October

Average price

C$ 506
8/1-9/1
  • 8/1-9/1
  • 3 total stops
  • 37h 44m total
  • Maine to Ontario
Search Deals
27/1
  • 27/1
  • 2 total stops
  • 25h 17m total
  • Maine to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 83 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 12 December 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

Fri 30/1

5:30 a.m.-11:40 a.m.

1 stop6h 10m

Toronto Pearson Intl

Mon 2/2

9:00 a.m.-2:52 p.m.

1 stop5h 52m

C$ 328

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Mon 26/1

5:34 a.m.-2:40 p.m.

1 stop9h 06m

Toronto Pearson Intl

Mon 2/2

3:40 p.m.-11:57 p.m.

1 stop8h 17m

C$ 328

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 22/1

10:15 a.m.-4:40 p.m.

1 stop6h 25m

Toronto Pearson Intl

Mon 26/1

10:00 a.m.-2:52 p.m.

1 stop4h 52m

C$ 328

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 15/1

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

Nonstop1h 55m

Toronto Island

Sun 18/1

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

Nonstop1h 35m

C$ 330

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sat 7/3

11:50 a.m.-1:49 p.m.

Nonstop1h 59m

Toronto Island

Mon 9/3

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

Nonstop1h 35m

C$ 330

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 22/1

3:30 p.m.-7:08 p.m.

1 stop3h 38m

Toronto Island

Mon 26/1

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

Nonstop1h 35m

C$ 332

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 25/2

9:00 a.m.-10:57 a.m.

Nonstop1h 57m

Toronto Island

Sun 1/3

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

1 stop4h 05m

C$ 334

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 26/2

3:30 p.m.-10:03 p.m.

1 stop6h 33m

Toronto Island

Sun 1/3

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

Nonstop1h 35m

C$ 334

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Tue 10/3

3:30 p.m.-10:03 p.m.

1 stop6h 33m

Toronto Island

Tue 31/3

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

Nonstop1h 35m

C$ 334

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Tue 24/3

9:00 a.m.-10:59 a.m.

Nonstop1h 59m

Toronto Island

Fri 27/3

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

Nonstop1h 35m

C$ 335

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

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?

    Air Canada, Porter Airlines, and American Airlines can get you from Maine to Region of Ontario in just under 1h 55m. Your travel time can differ by up to 11h 35m. 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.

  • What are the cheapest airlines to fly from Maine to Region of Ontario one-way?

    For one-way options, check prices for Air France. According to our data, you can fly for as low as C$ 534. Users have also found prices from C$ 575 and C$ 655 on Egyptair and MEA, 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.

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

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Maine to Ontario flexibly with Cheapflights today.

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