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Cheap flights from Maine to Ontario from C$ 133

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
19 Aug — 26 Aug1
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 20 July 2026.

Thu 3/99:35 a.m.
BOS
-
YTZ
Nonstop1h 59m
Multiple Airlines
Sun 6/91:35 p.m.
YTZ
-
BOS
Nonstop1h 40m
Multiple Airlines
Deal found 18/7C$ 279
Mon 14/95:30 p.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Thu 17/98:50 a.m.
YTZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 19/7C$ 285
Thu 3/97:10 a.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Sun 6/91:35 p.m.
YTZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 19/7C$ 287
Thu 3/99:35 a.m.
BOS
-
YTZ
Nonstop1h 59m
Air Canada
Sun 6/97:15 a.m.
YTZ
-
BOS
Nonstop1h 37m
Air Canada
Deal found 17/7C$ 290
Thu 3/96:00 a.m.
BOS
-
YYZ
Nonstop1h 55m
Multiple Airlines
Sun 6/97:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Multiple Airlines
Deal found 18/7C$ 292
Thu 17/97:00 a.m.
BOS
-
YOW
1 stop4h 27m
Porter Airlines
Thu 17/92:30 p.m.
YOW
-
BOS
Nonstop1h 30m
Porter Airlines
Deal found 17/7C$ 293
Wed 9/97:00 a.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Sun 13/98:50 a.m.
YTZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 15/7C$ 294
Wed 12/88:30 p.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Sat 15/83:05 p.m.
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 18/7C$ 296
Thu 10/910:05 a.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Sun 13/97:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 18/7C$ 297
Thu 10/98:25 p.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Mon 14/93:05 p.m.
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 16/7C$ 297
Mon 17/86:00 a.m.
BOS
-
YYZ
Nonstop1h 55m
Multiple Airlines
Wed 26/85:10 p.m.
YYZ
-
BOS
Nonstop1h 40m
Multiple Airlines
Deal found 17/7C$ 299
Thu 3/910:05 a.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Sun 6/94:55 p.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 15/7C$ 304

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 20 July 2026.

Round-trip from

C$ 279

One-way from

C$ 133
Porter Airlines
  • Porter Airlines
  • 3/9-6/9
  • Nonstop
  • 3h 39m total
  • Maine to Ontario
Search Deals
Porter Airlines
  • Porter Airlines
  • 10/9
  • 1 total stop
  • 6h 09m 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 20 July 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
Quickest round-trip

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Tue 18/8

11:10 a.m.-12:57 p.m.

Nonstop1h 47m

Toronto Island

Mon 24/8

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

Nonstop1h 41m

C$ 373

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Tue 25/8

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

1 stop5h 53m

Toronto Island

Sat 29/8

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

Nonstop1h 41m

C$ 380

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 21/8

3:55 p.m.-5:23 p.m.

Nonstop1h 28m

Ottawa

Tue 25/8

10:40 a.m.-3:15 p.m.

1 stop4h 35m

C$ 387

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Sat 22/8

7:10 a.m.-12:10 p.m.

1 stop5h 00m

Montreal Pierre Elliott Trudeau Intl

Sat 29/8

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

Nonstop1h 35m

C$ 401

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Wed 19/8

5:30 p.m.-10:10 p.m.

1 stop4h 40m

Montreal Pierre Elliott Trudeau Intl

Sat 29/8

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

Nonstop1h 35m

C$ 401

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 10/9

5:45 a.m.-2:19 p.m.

1 stop8h 34m

Toronto Pearson Intl

Sun 13/9

7:10 a.m.-2:41 p.m.

2 stops7h 31m

C$ 404

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sun 30/8

5:45 a.m.-10:04 a.m.

1 stop4h 19m

Toronto Pearson Intl

Sun 6/9

8:00 a.m.-2:41 p.m.

1 stop6h 41m

C$ 411

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Tue 18/8

3:55 p.m.-10:04 p.m.

1 stop6h 09m

Toronto Pearson Intl

Mon 24/8

5:10 p.m.-6:50 p.m.

Nonstop1h 40m

C$ 416

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Tue 11/8

9:30 a.m.-2:40 p.m.

1 stop5h 10m

Montreal Pierre Elliott Trudeau Intl

Sun 16/8

6:00 a.m.-11:17 a.m.

1 stop5h 17m

C$ 422

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Mon 24/8

6:00 p.m.-10:06 p.m.

1 stop4h 06m

Montreal Pierre Elliott Trudeau Intl

Sat 29/8

9:15 a.m.-2:50 p.m.

1 stop5h 35m

C$ 422

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/7

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 American Airlines can get you from Maine to Region of Ontario in just under 1h 47m. Your travel time can differ by up to 15h 31m. 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
Newark to Toronto Island flights
Los Angeles to Vancouver Intl flights
San Francisco to Vancouver Intl flights
LaGuardia to Pearson Intl flights
John F Kennedy Intl to Pearson Intl flights
Newark to Pierre Elliott Trudeau Intl flights
Newark to Vancouver Intl flights
O'Hare Intl to Vancouver Intl flights
John F Kennedy Intl to Vancouver Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
Reagan-National to Pearson Intl flights
Los Angeles to Pearson Intl flights
Dulles Intl to Pearson Intl flights
Newark to Calgary flights
San Francisco to Pearson Intl flights
LaGuardia to Toronto Island flights
O'Hare Intl to Pearson Intl flights
John F Kennedy Intl to Toronto Island flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Pearson Intl flights
John F Kennedy Intl to Calgary flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Boston to Pearson Intl flights
O'Hare Intl to Calgary flights
San Francisco to Calgary flights
Dulles Intl to Toronto Island flights
Los Angeles to Pierre Elliott Trudeau Intl flights
Denver to Vancouver Intl flights
LaGuardia to Vancouver Intl flights
Ontario to Vancouver Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Dulles Intl to Vancouver Intl flights
Newark to Hamilton flights
Boston to Toronto Island flights
Boston to Pierre Elliott Trudeau Intl flights
Orlando to Pearson Intl flights
Hobby to Pearson Intl flights
Dulles Intl to Calgary flights
Los Angeles to Calgary flights
San Diego to Vancouver Intl flights
Atlanta to Pearson Intl flights
Baltimore to Pearson Intl flights
Seattle to Pearson Intl flights
Fort Lauderdale to Pearson Intl flights
LaGuardia to Calgary flights
Newark to Québec City flights
Atlanta to Vancouver 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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