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Cheap flights from Maine to Ontario from C$ 121

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 28/11. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
6 Dec — 13 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 6 November 2025.

Round-trip from

C$ 310

One-way from

C$ 121

Popular in

October

Cheapest in

March

Average price

C$ 896
Air Canada
  • Air Canada
  • 27/11-3/12
  • 1 total stop
  • 8h 14m total
  • Maine to Ontario
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Air Canada
  • Air Canada
  • 28/11
  • Nonstop
  • 2h 02m total
  • Maine to Ontario
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 196 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 37 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 6 November 2025.

Thu 27/116:15 a.m.BOS - YYZ
Nonstop2h 02mAir Canada
Wed 3/121:00 p.m.YYZ - BOS
1 stop6h 12mAir Canada
Deal found 6/11C$ 310
Tue 9/128:11 p.m.BOS - YYZ
1 stop18h 02mMultiple Airlines
Fri 12/128:20 p.m.YYZ - BOS
1 stop13h 41mMultiple Airlines
Deal found 6/11C$ 320
Thu 4/128:11 p.m.BOS - YYZ
1 stop28h 00mMultiple Airlines
Mon 8/125:15 p.m.YYZ - BOS
1 stop16h 46mMultiple Airlines
Deal found 6/11C$ 326
Sat 6/128:11 p.m.BOS - YYZ
1 stop15h 32mMultiple Airlines
Mon 8/125:15 p.m.YYZ - BOS
1 stop16h 46mMultiple Airlines
Deal found 6/11C$ 327
Thu 4/125:30 a.m.BOS - YYZ
1 stop5h 19mAir Canada
Mon 8/128:55 p.m.YYZ - BOS
Nonstop1h 42mAir Canada
Deal found 5/11C$ 329
Fri 26/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Sat 3/18:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 5/11C$ 332
Thu 4/123:40 p.m.BOS - YTZ
1 stop6h 23mPorter Airlines
Mon 8/122:05 p.m.YTZ - BOS
1 stop4h 06mPorter Airlines
Deal found 6/11C$ 333
Thu 4/1210:20 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Thu 11/1211:05 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 6/11C$ 336
Tue 23/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Mon 29/128:30 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 4/11C$ 337
Sat 27/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Thu 8/16:55 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 4/11C$ 339
Sat 6/128:11 p.m.BOS - YYZ
1 stop15h 32mMultiple Airlines
Tue 9/127:15 a.m.YYZ - BOS
1 stop11h 51mMultiple Airlines
Deal found 6/11C$ 340
Sun 7/128:11 p.m.BOS - YYZ
1 stop28h 00mMultiple Airlines
Sat 13/127:15 a.m.YYZ - BOS
1 stop11h 51mMultiple Airlines
Deal found 5/11C$ 341

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 6 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

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 12/12

8:11 p.m.-4:51 p.m.

2 stops20h 40m

Ottawa

Sun 14/12

7:00 a.m.-10:03 a.m.

3 stops27h 03m

C$ 343

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 5/12

3:40 p.m.-5:09 p.m.

Nonstop1h 29m

Ottawa

Fri 12/12

4:45 p.m.-6:11 p.m.

Nonstop1h 26m

C$ 406

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sat 28/2

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

Nonstop1h 59m

Toronto Island

Tue 3/3

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

1 stop4h 05m

C$ 408

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 4/12

7:00 a.m.-11:29 a.m.

1 stop4h 29m

Ottawa

Sun 7/12

4:45 p.m.-6:11 p.m.

Nonstop1h 26m

C$ 411

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Mon 9/3

10:45 a.m.-12:48 p.m.

Nonstop2h 03m

Toronto Pearson Intl

Fri 13/3

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

Nonstop1h 42m

C$ 412

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 4/12

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

Nonstop1h 55m

Toronto Island

Wed 10/12

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

Nonstop1h 35m

C$ 412

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Tue 9/12

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

Nonstop1h 55m

Toronto Island

Tue 16/12

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

Nonstop1h 35m

C$ 412

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 15/12

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

Nonstop1h 55m

Toronto Island

Sun 21/12

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

Nonstop1h 35m

C$ 412

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sat 29/11

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

Nonstop1h 55m

Toronto Island

Thu 4/12

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

Nonstop1h 35m

C$ 412

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 8/12

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

Nonstop1h 55m

Toronto Island

Mon 15/12

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

Nonstop1h 35m

C$ 412

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 American Airlines can get you from Maine to Region of Ontario in just under 1h 29m. Your travel time can differ by up to 17h 23m. The distance between Maine and Region of Ontario is about 497 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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