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Cheap flights from Maine to Ontario from C$ 127

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 16/12. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
13 Dec — 20 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 13 November 2025.

Round-trip from

C$ 314

One-way from

C$ 127

Popular in

October

Cheapest in

March

Average price

C$ 1,018
10/12-16/12
  • 10/12-16/12
  • 2 total stops
  • 39h 51m total
  • Maine to Ontario
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16/12
  • 16/12
  • 1 total stop
  • 18h 09m total
  • Maine to Ontario
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 235 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 40 potential savings vs. average RT price).
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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 13 November 2025.

Wed 10/128:11 p.m.BOS - YYZ
1 stop28h 00mMultiple Airlines
Tue 16/127:15 a.m.YYZ - BOS
1 stop11h 51mMultiple Airlines
Deal found 11/11C$ 314
Sun 14/128:11 p.m.BOS - YYZ
1 stop18h 09mMultiple Airlines
Mon 15/125:15 p.m.YYZ - BOS
1 stop16h 46mMultiple Airlines
Deal found 11/11C$ 317
Fri 12/125:30 a.m.BOS - YYZ
1 stop5h 19mAir Canada
Sun 14/129:00 a.m.YYZ - BOS
1 stop5h 52mAir Canada
Deal found 11/11C$ 324
Sun 14/126:15 a.m.BOS - YYZ
Nonstop2h 02mAir Canada
Mon 15/1212:30 a.m.YYZ - BOS
1 stop9h 02mAir Canada
Deal found 13/11C$ 325
Thu 4/1210:20 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Mon 8/128:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 11/11C$ 325
Wed 10/1210:20 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Wed 17/121:20 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 12/11C$ 331
Tue 2/1210:20 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Mon 8/122:05 p.m.YTZ - BOS
1 stop4h 06mPorter Airlines
Deal found 11/11C$ 333
Sun 28/1210:20 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Sat 3/18:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 11/11C$ 336
Wed 10/128:11 p.m.BOS - YYZ
1 stop18h 02mMultiple Airlines
Sun 14/128:00 p.m.YYZ - BOS
1 stop14h 03mMultiple Airlines
Deal found 11/11C$ 338
Sat 6/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Fri 12/128:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 12/11C$ 338
Fri 12/123:40 p.m.BOS - YTZ
1 stop6h 23mPorter Airlines
Sun 14/128:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 12/11C$ 339
Fri 5/121:25 p.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Sun 7/121:20 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 13/11C$ 342

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 13 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 26/12

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

Nonstop1h 55m

Toronto Island

Sun 4/1

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

Nonstop1h 35m

C$ 338

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 19/2

3:30 p.m.-4:59 p.m.

Nonstop1h 29m

Ottawa

Mon 23/2

3:35 p.m.-10:05 p.m.

1 stop6h 30m

C$ 387

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 18/12

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

1 stop6h 23m

Toronto Island

Sun 21/12

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

Nonstop1h 35m

C$ 395

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Mon 8/12

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

Nonstop1h 29m

Ottawa

Thu 11/12

8:40 a.m.-2:55 p.m.

1 stop6h 15m

C$ 403

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 11/12

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

1 stop4h 29m

Ottawa

Sat 13/12

12:10 p.m.-6:05 p.m.

1 stop5h 55m

C$ 403

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Sat 24/1

11:50 a.m.-5:29 p.m.

1 stop5h 39m

Ottawa

Tue 27/1

4:35 p.m.-8:30 p.m.

1 stop3h 55m

C$ 405

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Tue 9/12

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

Nonstop1h 29m

Ottawa

Sat 13/12

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

Nonstop1h 26m

C$ 410

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 12/12

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

1 stop4h 29m

Ottawa

Sat 13/12

12:10 p.m.-6:05 p.m.

1 stop5h 55m

C$ 410

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 24/12

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

Nonstop1h 55m

Toronto Island

Thu 1/1

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

1 stop4h 05m

C$ 416

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sun 7/12

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

Nonstop2h 02m

Toronto Pearson Intl

Tue 9/12

8:55 p.m.-10:37 p.m.

Nonstop1h 42m

C$ 417

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

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 55m. Your travel time can differ by up to 16h 57m. 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.

  • 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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