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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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
13 Mar — 20 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 11 February 2026.

Thu 5/36:15 a.m.
BOS
-
YYZ
Nonstop2h 02m
Air Canada
Mon 9/38:55 p.m.
YYZ
-
BOS
Nonstop1h 42m
Air Canada
Deal found 9/2C$ 267
Thu 14/56:35 p.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Fri 15/53:55 p.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 9/2C$ 268
Fri 5/66:35 p.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Sun 7/63:55 p.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 10/2C$ 276
Thu 28/510:05 a.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Sun 31/53:55 p.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 9/2C$ 278
Thu 14/56:35 p.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Sun 17/57:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 10/2C$ 279
Fri 1/53:25 p.m.
BOS
-
YTZ
1 stop3h 33m
Porter Airlines
Mon 4/511:55 a.m.
YTZ
-
BOS
1 stop4h 05m
Porter Airlines
Deal found 11/2C$ 279
Sun 4/1010:05 a.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Wed 7/107:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 10/2C$ 280
Thu 26/211:50 a.m.
BOS
-
YTZ
Nonstop1h 57m
Porter Airlines
Mon 2/312:00 p.m.
YTZ
-
BOS
1 stop6h 07m
Porter Airlines
Deal found 9/2C$ 280
Thu 4/66:35 p.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Sun 7/67:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 11/2C$ 282
Thu 5/39:00 a.m.
BOS
-
YTZ
Nonstop1h 52m
Porter Airlines
Mon 9/39:30 a.m.
YTZ
-
BOS
Nonstop1h 35m
Porter Airlines
Deal found 11/2C$ 282
Sun 1/39:00 a.m.
BOS
-
YTZ
Nonstop1h 52m
Porter Airlines
Mon 2/31:10 p.m.
YTZ
-
BOS
Nonstop1h 35m
Porter Airlines
Deal found 10/2C$ 283
Wed 20/510:05 a.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Sat 30/57:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Deal found 10/2C$ 285

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 11 February 2026.

Round-trip from

C$ 267

One-way from

C$ 133
Air Canada
  • Air Canada
  • 5/3-9/3
  • Nonstop
  • 3h 44m total
  • Maine to Ontario
Search Deals
Porter Airlines
  • Porter Airlines
  • 5/3
  • 1 total stop
  • 6h 10m 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 11 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 - YTZ

BOSYTZ

Boston Logan Intl

Thu 19/3

9:00 a.m.-10:52 a.m.

Nonstop1h 52m

Toronto Island

Sat 21/3

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

Nonstop1h 35m

C$ 283

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 26/2

9:00 a.m.-10:57 a.m.

Nonstop1h 57m

Toronto Island

Mon 2/3

1:10 p.m.-2:45 p.m.

Nonstop1h 35m

C$ 287

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 27/2

9:00 a.m.-10:57 a.m.

Nonstop1h 57m

Toronto Island

Wed 4/3

1:10 p.m.-2:45 p.m.

Nonstop1h 35m

C$ 316

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 26/2

6:15 a.m.-8:17 a.m.

Nonstop2h 02m

Toronto Pearson Intl

Mon 2/3

8:55 p.m.-10:37 p.m.

Nonstop1h 42m

C$ 317

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Mon 1/6

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

Nonstop1h 55m

Toronto Pearson Intl

Wed 3/6

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

Nonstop1h 40m

C$ 318

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 6/5

7:15 a.m.-9:02 a.m.

Nonstop1h 47m

Toronto Island

Sat 9/5

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

Nonstop1h 41m

C$ 331

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sun 22/3

6:15 a.m.-8:17 a.m.

Nonstop2h 02m

Toronto Pearson Intl

Mon 23/3

1:00 p.m.-7:12 p.m.

1 stop6h 12m

C$ 345

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Wed 3/6

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

Nonstop1h 28m

Ottawa

Wed 10/6

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

Nonstop1h 30m

C$ 348

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 26/2

11:50 a.m.-1:47 p.m.

Nonstop1h 57m

Toronto Island

Thu 26/2

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

Nonstop1h 35m

C$ 350

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Tue 24/2

9:00 a.m.-10:57 a.m.

Nonstop1h 57m

Toronto Island

Tue 24/2

1:10 p.m.-2:45 p.m.

Nonstop1h 35m

C$ 350

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

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 52m. Your travel time can differ by up to 20h 53m. 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.
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