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Cheap flights from Maine to Ontario from C$ 135

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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
5 Jul — 12 Jul1
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 5 June 2026.

Sat 18/75:30 p.m.
BOS
-
YTZ
Nonstop1h 49m
Porter Airlines
Thu 23/78:50 a.m.
YTZ
-
BOS
Nonstop1h 39m
Porter Airlines
Deal found 3/6C$ 291
Mon 29/611:15 a.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Tue 30/68:50 a.m.
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 4/6C$ 292
Thu 9/77:10 a.m.
BOS
-
YTZ
Nonstop1h 49m
Porter Airlines
Sun 12/78:50 a.m.
YTZ
-
BOS
Nonstop1h 39m
Porter Airlines
Deal found 5/6C$ 298
Sat 18/74:45 p.m.
BOS
-
YUL
Nonstop1h 30m
Porter Airlines
Sat 25/77:20 p.m.
YUL
-
BOS
Nonstop1h 35m
Porter Airlines
Deal found 3/6C$ 298
Fri 26/68:25 p.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Mon 29/66:00 p.m.
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 5/6C$ 300
Thu 16/74:45 p.m.
BOS
-
YUL
Nonstop1h 30m
Porter Airlines
Thu 23/77:20 p.m.
YUL
-
BOS
Nonstop1h 35m
Porter Airlines
Deal found 3/6C$ 300
Tue 16/68:25 p.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Thu 18/68:50 a.m.
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 31/5C$ 302
Mon 13/710:05 a.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Thu 16/77:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 3/6C$ 303
Tue 14/77:10 a.m.
BOS
-
YTZ
Nonstop1h 49m
Porter Airlines
Tue 28/73:05 p.m.
YTZ
-
BOS
Nonstop1h 39m
Porter Airlines
Deal found 3/6C$ 303
Thu 23/78:10 p.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Sat 25/77:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 4/6C$ 305
Thu 13/87:10 a.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Fri 14/86:00 p.m.
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 3/6C$ 305
Sun 19/74:45 p.m.
BOS
-
YUL
Nonstop1h 30m
Porter Airlines
Wed 22/77:20 p.m.
YUL
-
BOS
Nonstop1h 35m
Porter Airlines
Deal found 3/6C$ 306

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 5 June 2026.

Round-trip from

C$ 291

One-way from

C$ 135
Porter Airlines
  • Porter Airlines
  • 18/7-23/7
  • Nonstop
  • 3h 28m total
  • Maine to Ontario
Search Deals
Porter Airlines
  • Porter Airlines
  • 7/7
  • Nonstop
  • 1h 30m 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 5 June 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 14/8

2:45 p.m.-4:39 p.m.

Nonstop1h 54m

Toronto Island

Sun 16/8

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

Nonstop1h 29m

C$ 366

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Thu 16/7

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

Nonstop1h 30m

Montreal Pierre Elliott Trudeau Intl

Thu 23/7

7:20 p.m.-8:55 p.m.

Nonstop1h 35m

C$ 384

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 3/7

2:45 p.m.-4:39 p.m.

Nonstop1h 54m

Toronto Island

Sun 5/7

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

Nonstop1h 29m

C$ 385

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 3/7

3:20 p.m.-6:58 p.m.

1 stop3h 38m

Toronto Island

Sun 5/7

1:00 p.m.-2:39 p.m.

Nonstop1h 39m

C$ 388

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 20/8

3:55 p.m.-9:48 p.m.

1 stop5h 53m

Toronto Island

Wed 26/8

1:35 p.m.-3:15 p.m.

Nonstop1h 40m

C$ 394

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 17/8

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

1 stop5h 35m

Toronto Island

Sun 23/8

8:50 a.m.-10:30 a.m.

Nonstop1h 40m

C$ 398

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 27/7

4:45 p.m.-10:18 p.m.

1 stop5h 33m

Toronto Island

Wed 29/7

8:50 a.m.-10:29 a.m.

Nonstop1h 39m

C$ 398

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Tue 30/6

8:00 a.m.-4:10 p.m.

1 stop8h 10m

Montreal Pierre Elliott Trudeau Intl

Sun 5/7

7:30 a.m.-1:54 p.m.

1 stop6h 24m

C$ 405

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Fri 26/6

6:35 p.m.-12:37 a.m.

1 stop6h 02m

Montreal Pierre Elliott Trudeau Intl

Tue 30/6

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

1 stop6h 11m

C$ 412

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sun 12/7

8:25 p.m.-10:14 p.m.

Nonstop1h 49m

Toronto Island

Fri 17/7

11:55 a.m.-4:00 p.m.

1 stop4h 05m

C$ 419

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/5

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, Air Canada, and United Airlines can get you from Maine to Region of Ontario in just under 1h 54m. Your travel time can differ by up to 2h 27m. 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.
Newark to Pearson Intl flights
Los Angeles to Vancouver Intl flights
Newark to Toronto Island flights
San Francisco to Vancouver Intl flights
LaGuardia to Pearson Intl flights
Newark to Vancouver Intl flights
John F Kennedy Intl to Vancouver Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
John F Kennedy Intl to Pearson Intl flights
Newark to Pierre Elliott Trudeau Intl flights
Reagan-National to Pearson Intl flights
Dulles Intl to Pearson Intl flights
Los Angeles to Pearson Intl flights
Newark to Calgary flights
Dallas/Fort Worth to Pearson Intl flights
San Francisco to Pearson Intl flights
O'Hare Intl to Vancouver Intl flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Calgary flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Pearson Intl flights
John F Kennedy Intl to Calgary flights
San Francisco to Calgary flights
Reagan-National to Pierre Elliott Trudeau Intl flights
LaGuardia to Vancouver Intl flights
Hobby to Pearson Intl flights
Dulles Intl to Vancouver Intl flights
Dulles Intl to Toronto Island flights
Los Angeles to Calgary flights
Los Angeles to Pierre Elliott Trudeau Intl flights
Orlando to Pearson Intl flights
Boston to Vancouver Intl flights
Seattle to Pearson Intl flights
Fort Lauderdale to Pearson Intl flights
Denver to Vancouver Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Dulles Intl to Calgary flights
Hobby to Calgary flights
Atlanta to Pearson Intl flights
Boston to Pearson Intl flights
Seattle to Vancouver Intl flights
Baltimore to Pearson Intl flights
George Bush Intcntl to Pearson Intl flights
San Diego to Vancouver Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Newark to Hamilton flights
Dallas/Fort Worth to Vancouver Intl flights
Ontario to Vancouver Intl flights
LaGuardia to Toronto Island flights
LaGuardia to Calgary 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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