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Cheap flights from Maine to Ontario from C$ 150

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 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
17 Jan — 24 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 18 December 2025.

Tue 30/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Wed 21/110:30 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 17/12C$ 368
Tue 30/123:40 p.m.BOS - YTZ
1 stop6h 23mMultiple Airlines
Tue 6/16:55 p.m.YTZ - BOS
Nonstop1h 35mMultiple Airlines
Deal found 17/12C$ 415
Tue 30/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Thu 1/111:05 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 16/12C$ 419
Wed 31/1210:20 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Sat 3/18:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 16/12C$ 426
Tue 23/1210:20 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Tue 6/110:30 a.m.YTZ - BOS
1 stop7h 40mPorter Airlines
Deal found 16/12C$ 431
Tue 30/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Tue 6/16:55 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 17/12C$ 451
Mon 29/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Tue 6/16:55 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 16/12C$ 452
Wed 31/1210:20 a.m.BOS - YUL
1 stop6h 55mPorter Airlines
Tue 6/14:00 p.m.YUL - BOS
1 stop4h 30mPorter Airlines
Deal found 16/12C$ 474
Mon 29/123:40 p.m.BOS - YYZ
1 stop4h 33mMultiple Airlines
Tue 6/18:30 p.m.YYZ - BOS
1 stop14h 20mMultiple Airlines
Deal found 16/12C$ 548
Wed 31/1210:20 a.m.BOS - YUL
1 stop6h 55mMultiple Airlines
Tue 6/15:25 p.m.YUL - BOS
2 stops16h 36mMultiple Airlines
Deal found 16/12C$ 554
Tue 30/123:40 p.m.BOS - YYZ
1 stop4h 33mMultiple Airlines
Wed 21/111:15 a.m.YYZ - BOS
1 stop12h 42mMultiple Airlines
Deal found 17/12C$ 555
Tue 30/123:40 p.m.BOS - YYZ
1 stop4h 33mMultiple Airlines
Tue 6/18:20 p.m.YYZ - BOS
1 stop13h 41mMultiple Airlines
Deal found 17/12C$ 559

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 18 December 2025.

Round-trip from

C$ 280

One-way from

C$ 150

Popular in

December

Cheapest in

October

Average price

C$ 506
22/1-25/1
  • 22/1-25/1
  • 4 total stops
  • 42h 59m total
  • Maine to Ontario
Search Deals
28/1
  • 28/1
  • 1 total stop
  • 9h 26m total
  • Maine to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 11 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 18 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

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 22/1

5:34 a.m.-12:25 a.m.

1 stop18h 51m

Ottawa

Sun 25/1

4:20 p.m.-4:28 p.m.

3 stops24h 08m

C$ 280

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Wed 21/1

5:34 a.m.-5:25 p.m.

1 stop11h 51m

Ottawa

Sun 25/1

4:20 p.m.-4:28 p.m.

3 stops24h 08m

C$ 300

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 23/1

2:00 p.m.-12:25 a.m.

1 stop10h 25m

Ottawa

Sun 25/1

4:20 p.m.-4:28 p.m.

3 stops24h 08m

C$ 313

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 9/1

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

1 stop3h 38m

Toronto Island

Tue 13/1

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

Nonstop1h 35m

C$ 333

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 8/1

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

1 stop3h 38m

Toronto Island

Sun 11/1

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

1 stop4h 05m

C$ 342

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 16/1

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

Nonstop1h 55m

Toronto Island

Sun 18/1

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

Nonstop1h 35m

C$ 344

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 14/1

5:34 a.m.-10:03 p.m.

2 stops16h 29m

Toronto Island

Wed 21/1

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

Nonstop1h 35m

C$ 347

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

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

Nonstop1h 35m

C$ 347

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 27/2

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$ 349

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 16/1

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

1 stop3h 38m

Toronto Island

Mon 19/1

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

Nonstop1h 35m

C$ 349

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/12

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?

    Porter Airlines, United Airlines, and Air Canada can get you from Maine to Region of Ontario in just under 2h 03m. Your travel time can differ by up to 2h 40m. 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.

  • 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$ 574 and C$ 654 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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