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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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
20 Mar — 27 Mar1
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 February 2026.

Thu 26/36:15 a.m.
BOS
-
YYZ
Nonstop2h 02m
Air Canada
Mon 30/310:30 a.m.
YYZ
-
BOS
Nonstop1h 44m
Air Canada
Deal found 17/2C$ 281
Thu 2/47:05 a.m.
BOS
-
YTZ
Nonstop1h 59m
Porter Airlines
Mon 6/41:10 p.m.
YTZ
-
BOS
Nonstop1h 35m
Porter Airlines
Deal found 15/2C$ 281
Thu 14/56:35 p.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Mon 18/57:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 17/2C$ 284
Thu 5/311:50 a.m.
BOS
-
YTZ
Nonstop1h 52m
Porter Airlines
Mon 9/39:30 a.m.
YTZ
-
BOS
Nonstop1h 35m
Porter Airlines
Deal found 15/2C$ 284
Fri 1/55:10 a.m.
BOS
-
YYZ
Nonstop1h 53m
Air Canada
Fri 1/510:30 a.m.
YYZ
-
BOS
1 stop4h 17m
Air Canada
Deal found 16/2C$ 285
Tue 24/33:30 p.m.
BOS
-
YTZ
1 stop4h 33m
Porter Airlines
Tue 31/32:10 p.m.
YTZ
-
BOS
1 stop3h 57m
Porter Airlines
Deal found 15/2C$ 285
Thu 14/56:35 p.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Tue 19/57:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 17/2C$ 287
Sun 15/39:00 a.m.
BOS
-
YTZ
Nonstop1h 52m
Porter Airlines
Fri 20/31:10 p.m.
YTZ
-
BOS
Nonstop1h 35m
Porter Airlines
Deal found 16/2C$ 288
Fri 3/46:15 a.m.
BOS
-
YYZ
Nonstop1h 53m
Air Canada
Fri 10/48:55 p.m.
YYZ
-
BOS
Nonstop1h 44m
Air Canada
Deal found 17/2C$ 289
Sat 6/66:55 p.m.
BOS
-
YYZ
Nonstop1h 53m
Air Canada
Sun 7/66:15 a.m.
YYZ
-
BOS
1 stop3h 30m
Air Canada
Deal found 17/2C$ 291
Tue 31/33:30 p.m.
BOS
-
YTZ
1 stop4h 33m
Porter Airlines
Tue 7/411:05 a.m.
YTZ
-
BOS
Nonstop1h 35m
Porter Airlines
Deal found 14/2C$ 291
Thu 19/36:15 a.m.
BOS
-
YYZ
Nonstop2h 02m
Air Canada
Mon 23/38:55 p.m.
YYZ
-
BOS
Nonstop1h 42m
Air Canada
Deal found 16/2C$ 292

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 February 2026.

Round-trip from

C$ 281

One-way from

C$ 121

Popular in

November

Cheapest in

October

Average price

C$ 479
Air Canada
  • Air Canada
  • 26/3-30/3
  • Nonstop
  • 3h 46m total
  • Maine to Ontario
Search Deals
Porter Airlines
  • Porter Airlines
  • 18/3
  • 1 total stop
  • 4h 40m total
  • Maine to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 28 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 February 2026
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 February 2026.
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

Thu 14/5

6:35 p.m.-8:30 p.m.

Nonstop1h 55m

Toronto Pearson Intl

Tue 19/5

7:25 a.m.-9:05 a.m.

Nonstop1h 40m

C$ 287

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Tue 31/3

3:30 p.m.-8:03 p.m.

1 stop4h 33m

Toronto Island

Tue 7/4

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

Nonstop1h 35m

C$ 287

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Tue 7/4

6:55 p.m.-8:54 p.m.

Nonstop1h 59m

Toronto Island

Tue 14/4

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

Nonstop1h 35m

C$ 289

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 14/5

6:35 p.m.-8:30 p.m.

Nonstop1h 55m

Toronto Pearson Intl

Mon 18/5

3:55 p.m.-5:35 p.m.

Nonstop1h 40m

C$ 311

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Tue 17/3

6:55 p.m.-8:47 p.m.

Nonstop1h 52m

Toronto Island

Mon 23/3

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

Nonstop1h 35m

C$ 311

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 13/5

11:15 a.m.-1:02 p.m.

Nonstop1h 47m

Toronto Island

Sun 17/5

8:50 a.m.-10:31 a.m.

Nonstop1h 41m

C$ 311

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Tue 14/7

3:35 p.m.-7:51 p.m.

1 stop4h 16m

Toronto Island

Sun 19/7

7:15 a.m.-8:44 a.m.

Nonstop1h 29m

C$ 314

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 1/4

3:30 p.m.-8:10 p.m.

1 stop4h 40m

Toronto Pearson Intl

Wed 8/4

11:00 a.m.-2:52 p.m.

1 stop3h 52m

C$ 317

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 2/4

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

Nonstop1h 53m

Toronto Pearson Intl

Sun 5/4

10:30 a.m.-12:11 p.m.

Nonstop1h 41m

C$ 336

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 30/7

5:45 a.m.-11:35 a.m.

1 stop5h 50m

Toronto Pearson Intl

Tue 4/8

2:25 p.m.-4:08 p.m.

Nonstop1h 43m

C$ 348

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/2

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 WestJet can get you from Maine to Region of Ontario in just under 1h 55m. Your travel time can differ by up to 20h 50m. 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 Egyptair. According to our data, you can fly for as low as C$ 569. Users have also found prices from C$ 585 and C$ 648 on Qatar Airways 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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LaGuardia to Calgary flights
Boston to Vancouver Intl flights
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Hobby to Pearson Intl flights
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Dallas/Fort Worth to Vancouver Intl flights
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