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Cheap flights from Maine to Ontario from C$ 146

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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
22 Jan — 29 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 23 December 2025.

Mon 29/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Sat 31/19:30 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 21/12C$ 507
Mon 29/126:15 a.m.BOS - YYZ
Nonstop2h 02mAir Canada
Fri 30/14:20 p.m.YYZ - BOS
Nonstop1h 42mAir Canada
Deal found 22/12C$ 515
Mon 29/123:40 p.m.BOS - YTZ
1 stop6h 23mPorter Airlines
Fri 30/19:30 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 22/12C$ 515
Mon 29/125:30 a.m.BOS - YYZ
1 stop6h 10mAir Canada
Sat 31/18:55 p.m.YYZ - BOS
Nonstop1h 42mAir Canada
Deal found 22/12C$ 527
Mon 29/123:40 p.m.BOS - YTZ
1 stop6h 23mMultiple Airlines
Sat 31/19:30 a.m.YTZ - BOS
Nonstop1h 35mMultiple Airlines
Deal found 22/12C$ 551
Wed 31/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Fri 2/18:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 21/12C$ 569
Wed 31/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Wed 31/1211:05 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 21/12C$ 571
Mon 29/1210:20 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Fri 2/18:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 20/12C$ 606
Mon 29/123:40 p.m.BOS - YTZ
1 stop6h 23mPorter Airlines
Thu 1/111:05 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 21/12C$ 613
Tue 30/123:40 p.m.BOS - YTZ
1 stop6h 23mPorter Airlines
Thu 1/111:05 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 21/12C$ 615
Tue 30/121:25 p.m.BOS - YUL
1 stop4h 20mPorter Airlines
Wed 7/12:00 p.m.YUL - BOS
1 stop6h 30mPorter Airlines
Deal found 20/12C$ 631
Mon 29/1210:20 a.m.BOS - YUL
1 stop5h 00mMultiple Airlines
Tue 6/15:25 p.m.YUL - BOS
2 stops16h 36mMultiple Airlines
Deal found 20/12C$ 637

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 23 December 2025.

Round-trip from

C$ 306

One-way from

C$ 146

Popular in

December

Cheapest in

October

Average price

C$ 511
Air Canada
  • Air Canada
  • 27/2-4/3
  • Nonstop
  • 3h 44m total
  • Maine to Ontario
Search Deals
4/2
  • 4/2
  • 1 total stop
  • 11h 51m total
  • Maine to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 75 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 23 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

Wed 28/1

6:00 a.m.-11:20 p.m.

2 stops17h 20m

Toronto Pearson Intl

Sat 31/1

11:15 a.m.-11:57 p.m.

1 stop12h 42m

C$ 315

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 15/1

6:15 a.m.-8:17 a.m.

Nonstop2h 02m

Toronto Pearson Intl

Sun 18/1

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

1 stop5h 52m

C$ 317

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 23/4

6:15 a.m.-8:08 a.m.

Nonstop1h 53m

Toronto Pearson Intl

Sun 26/4

6:15 a.m.-9:52 a.m.

1 stop3h 37m

C$ 317

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Fri 20/2

6:15 a.m.-8:17 a.m.

Nonstop2h 02m

Toronto Pearson Intl

Mon 23/2

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

1 stop4h 52m

C$ 317

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 5/2

3:30 p.m.-7:09 p.m.

1 stop3h 39m

Toronto Island

Thu 12/2

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

1 stop4h 05m

C$ 337

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 4/2

6:55 p.m.-8:52 p.m.

Nonstop1h 57m

Toronto Island

Wed 11/2

10:30 a.m.-12:05 p.m.

Nonstop1h 35m

C$ 340

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 16/3

10:20 a.m.-12:19 p.m.

Nonstop1h 59m

Toronto Island

Thu 19/3

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

Nonstop1h 35m

C$ 343

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sun 18/1

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

Nonstop1h 55m

Toronto Island

Sat 31/1

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

Nonstop1h 35m

C$ 346

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Tue 3/2

6:55 p.m.-8:52 p.m.

Nonstop1h 57m

Toronto Island

Tue 10/2

10:30 a.m.-12:05 p.m.

Nonstop1h 35m

C$ 348

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 6/3

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

Nonstop1h 59m

Toronto Island

Mon 9/3

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

1 stop4h 05m

C$ 348

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/12

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 and Porter Airlines can get you from Maine to Region of Ontario in just under 2h 02m. Your travel time can differ by up to 1h 37m. 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$ 533. Users have also found prices from C$ 574 and C$ 653 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?

When you search for this flight from Maine to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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