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Cheap flights from Maine to Ontario from C$ 126

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
2 May — 9 May1
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 2 April 2026.

Fri 24/710:05 a.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Mon 27/77:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 1/4C$ 315
Fri 14/88:25 p.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Wed 19/83:05 p.m.
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 1/4C$ 315
Wed 29/45:30 a.m.
BOS
-
YYZ
1 stop5h 09m
Air Canada
Wed 6/510:30 a.m.
YYZ
-
BOS
1 stop4h 17m
Air Canada
Deal found 31/3C$ 317
Wed 22/73:25 p.m.
BOS
-
YTZ
1 stop3h 33m
Porter Airlines
Mon 27/71:00 p.m.
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 30/3C$ 317
Wed 27/56:35 p.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Sat 30/57:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 30/3C$ 318
Thu 13/811:15 a.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Mon 17/86:00 p.m.
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 30/3C$ 318
Mon 22/66:35 p.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Sun 28/67:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 31/3C$ 320
Mon 20/43:30 p.m.
BOS
-
YTZ
1 stop4h 33m
Porter Airlines
Tue 21/42:05 p.m.
YTZ
-
BOS
1 stop4h 07m
Porter Airlines
Deal found 31/3C$ 320
Mon 10/86:35 p.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Wed 12/87:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 30/3C$ 321
Wed 29/75:30 p.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Wed 5/88:50 a.m.
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 30/3C$ 321
Wed 27/56:50 p.m.
BOS
-
YYZ
1 stop4h 08m
Multiple Airlines
Fri 29/53:55 p.m.
YYZ
-
BOS
Nonstop1h 40m
Multiple Airlines
Deal found 30/3C$ 322
Tue 30/65:45 a.m.
BOS
-
YTZ
1 stop4h 21m
Multiple Airlines
Tue 30/66:00 p.m.
YTZ
-
BOS
Nonstop1h 41m
Multiple Airlines
Deal found 31/3C$ 322

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 2 April 2026.

Round-trip from

C$ 315

One-way from

C$ 126
Porter Airlines
  • Porter Airlines
  • 24/7-27/7
  • Nonstop
  • 3h 35m total
  • Maine to Ontario
Search Deals
Porter Airlines
  • Porter Airlines
  • 9/5
  • 1 total stop
  • 5h 00m total
  • Maine to Ontario
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 2 April 2026.
Use the filters below to find and compare flights from Maine to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 17/7

7:10 a.m.-8:57 a.m.

Nonstop1h 47m

Toronto Island

Mon 20/7

3:05 p.m.-4:46 p.m.

Nonstop1h 41m

C$ 346

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Sat 30/5

4:45 p.m.-6:15 p.m.

Nonstop1h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 3/6

10:35 a.m.-2:41 p.m.

1 stop4h 06m

C$ 368

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 30/7

4:45 p.m.-10:20 p.m.

1 stop5h 35m

Toronto Island

Tue 4/8

9:00 a.m.-4:00 p.m.

2 stops7h 00m

C$ 374

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Sat 25/4

7:05 a.m.-1:09 p.m.

1 stop6h 04m

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

5:00 p.m.-12:59 a.m.

1 stop7h 59m

C$ 389

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Fri 15/5

7:00 p.m.-11:41 p.m.

1 stop4h 41m

Toronto Pearson Intl

Fri 22/5

5:05 p.m.-10:25 p.m.

1 stop5h 20m

C$ 390

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Fri 29/5

7:00 p.m.-11:41 p.m.

1 stop4h 41m

Toronto Pearson Intl

Sun 31/5

6:00 a.m.-11:10 a.m.

1 stop5h 10m

C$ 392

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 30/4

6:00 a.m.-1:44 p.m.

1 stop7h 44m

Toronto Pearson Intl

Mon 4/5

10:00 a.m.-3:23 p.m.

1 stop5h 23m

C$ 392

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 15/4

11:00 a.m.-7:37 p.m.

1 stop8h 37m

Toronto Pearson Intl

Wed 5/8

11:00 a.m.-7:30 p.m.

1 stop8h 30m

C$ 393

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 25/6

4:45 p.m.-6:15 p.m.

Nonstop1h 30m

Montreal Pierre Elliott Trudeau Intl

Sat 4/7

10:35 a.m.-4:46 p.m.

1 stop6h 11m

C$ 400

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sat 25/4

1:40 p.m.-3:34 p.m.

Nonstop1h 54m

Toronto Island

Tue 28/4

2:05 p.m.-6:12 p.m.

1 stop4h 07m

C$ 418

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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 Delta can get you from Maine to Region of Ontario in just under 1h 47m. Your travel time can differ by up to 4h 17m. 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.
Los Angeles to Vancouver Intl flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
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LaGuardia to Pierre Elliott Trudeau Intl flights
John F Kennedy Intl to Pearson Intl flights
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Dulles Intl to Pierre Elliott Trudeau Intl flights
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Reagan-National to Pearson Intl flights
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Seattle to Pierre Elliott Trudeau Intl flights
John F Kennedy Intl to Calgary flights
O'Hare Intl to Calgary flights
Boston to Pearson Intl flights
Denver to Vancouver Intl flights
Detroit to Pierre Elliott Trudeau Intl flights
Dulles Intl to Vancouver Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Atlanta to Vancouver Intl flights
Dulles Intl to Pearson Intl flights
Dallas/Fort Worth to Pearson Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Pearson Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
San Diego to Vancouver Intl flights
Los Angeles to Calgary flights
Boston to Toronto Island flights
Boston to Vancouver Intl flights
Seattle to Vancouver Intl flights
Minneapolis to Pierre Elliott Trudeau Intl flights
San Francisco to Pierre Elliott Trudeau Intl flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
Denver to Pierre Elliott Trudeau Intl flights
LaGuardia to Vancouver Intl flights
San Francisco to Calgary flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Hobby to Vancouver Intl flights
Seattle to Pearson Intl flights
Atlanta to Pierre Elliott Trudeau Intl flights
Pittsburgh to Pierre Elliott Trudeau Intl flights

Fly with Cheapflights

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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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It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Maine to Ontario.

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Maine to Ontario flexibly with Cheapflights today.

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