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Cheap flights from Maine to Ontario from C$ 118

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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
12 Apr — 19 Apr1
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 13 March 2026.

Fri 22/56:35 p.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Mon 25/53:55 p.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 10/3C$ 298
Fri 24/410:45 a.m.
BOS
-
YYZ
Nonstop1h 53m
Air Canada
Fri 1/58:10 a.m.
YYZ
-
BOS
Nonstop1h 44m
Air Canada
Deal found 10/3C$ 301
Thu 23/75:45 a.m.
BOS
-
YYZ
1 stop4h 50m
Air Canada
Sat 8/88:55 p.m.
YYZ
-
BOS
Nonstop1h 43m
Air Canada
Deal found 9/3C$ 302
Fri 12/610:05 a.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Wed 17/67:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 10/3C$ 303
Fri 12/610:05 a.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Mon 15/67:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 11/3C$ 306
Thu 23/75:45 a.m.
BOS
-
YYZ
1 stop4h 50m
Air Canada
Thu 6/810:30 a.m.
YYZ
-
BOS
1 stop4h 11m
Air Canada
Deal found 9/3C$ 309
Fri 15/56:35 p.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Fri 22/57:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 11/3C$ 312
Fri 19/610:05 a.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Mon 22/67:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 11/3C$ 313
Fri 12/66:35 p.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Sun 14/67:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 10/3C$ 314
Thu 2/43:30 p.m.
BOS
-
YTZ
1 stop4h 33m
Multiple Airlines
Sun 5/45:30 p.m.
YTZ
-
BOS
1 stop3h 57m
Multiple Airlines
Deal found 9/3C$ 320
Thu 23/47:00 a.m.
BOS
-
YTZ
Nonstop1h 54m
Porter Airlines
Thu 30/47:35 p.m.
YTZ
-
BOS
Nonstop1h 35m
Porter Airlines
Deal found 9/3C$ 329
Sun 19/77:10 a.m.
BOS
-
YTZ
Nonstop1h 47m
Porter Airlines
Thu 23/73:05 p.m.
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Deal found 8/3C$ 332

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 13 March 2026.

Round-trip from

C$ 298

One-way from

C$ 118
Porter Airlines
  • Porter Airlines
  • 22/5-25/5
  • Nonstop
  • 3h 35m total
  • Maine to Ontario
Search Deals
Air Canada
  • Air Canada
  • 24/5
  • Nonstop
  • 1h 33m 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 13 March 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 - YYZ

BOSYYZ

Boston Logan Intl

Wed 3/6

10:05 a.m.-12:00 p.m.

Nonstop1h 55m

Toronto Pearson Intl

Sat 6/6

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

Nonstop1h 40m

C$ 352

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Mon 1/6

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

Nonstop1h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

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

Nonstop1h 35m

C$ 405

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 9/7

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

Nonstop1h 47m

Toronto Island

Sun 12/7

1:00 p.m.-2:41 p.m.

Nonstop1h 41m

C$ 411

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 4/6

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

Nonstop1h 47m

Toronto Island

Sun 7/6

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

Nonstop1h 41m

C$ 411
Quickest round-trip

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Wed 17/6

3:25 p.m.-4:53 p.m.

Nonstop1h 28m

Ottawa

Sun 21/6

2:30 p.m.-4:00 p.m.

Nonstop1h 30m

C$ 422

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sat 6/6

4:45 p.m.-12:28 p.m.

1 stop19h 43m

Toronto Pearson Intl

Sun 7/6

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

Nonstop1h 40m

C$ 424

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 18/6

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

Nonstop1h 47m

Toronto Island

Sat 20/6

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

Nonstop1h 41m

C$ 426

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sat 25/4

10:20 a.m.-12:14 p.m.

Nonstop1h 54m

Toronto Island

Sat 2/5

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

Nonstop1h 41m

C$ 426

BostonMontreal

BOS - YUL

BOSYUL

Boston Logan Intl

Sat 9/5

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

1 stop5h 00m

Montreal Pierre Elliott Trudeau Intl

Sat 16/5

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

1 stop6h 11m

C$ 446

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 1/4

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

1 stop4h 33m

Toronto Island

Sat 4/4

7:35 a.m.-6:12 p.m.

2 stops10h 37m

C$ 454

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/3

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, Air Transat, and Delta can get you from Maine to Region of Ontario in just under 1h 47m. Your travel time can differ by up to 5h 02m. 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.

  • What are the cheapest airlines to fly from Maine to Region of Ontario one-way?

    For one-way options, check prices for Qatar Airways. According to our data, you can fly for as low as C$ 451. Users have also found prices from C$ 558 and C$ 714 on Egyptair and Air Canada, 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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Los Angeles to Pierre Elliott Trudeau Intl flights
LaGuardia to Vancouver Intl flights
Boston to Pearson Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Boston to Vancouver Intl flights
Boston to Toronto Island flights
Minneapolis to Vancouver Intl flights
Dallas/Fort Worth to Vancouver Intl flights
San Diego to Vancouver Intl flights
Atlanta to Vancouver Intl flights
Seattle to Pearson Intl flights
Hobby to Calgary flights
San Francisco to Pierre Elliott Trudeau Intl flights
Boston to Calgary flights
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How does Cheapflights help users find flights from Maine to Ontario?

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