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Cheap flights from Ontario to Maine from C$ 187

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — PWM
15 Jul — 22 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Maine

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Maine
Explore the most affordable flight options available from Ontario to Maine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 June 2026.

Sat 4/73:05 p.m.
YTZ
-
BOS
Nonstop1h 39m
Porter Airlines
Mon 6/74:45 p.m.
BOS
-
YTZ
1 stop5h 33m
Porter Airlines
Deal found 13/6C$ 295
Fri 3/77:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Mon 6/77:30 p.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Deal found 12/6C$ 295
Fri 26/68:30 a.m.
YTZ
-
BOS
1 stop6h 11m
Air Canada
Mon 29/65:45 a.m.
BOS
-
YTZ
1 stop6h 06m
Air Canada
Deal found 12/6C$ 296
Sun 12/77:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Sun 19/710:05 a.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Deal found 14/6C$ 296
Wed 26/86:00 p.m.
YTZ
-
BOS
Nonstop1h 41m
Porter Airlines
Thu 27/84:45 p.m.
BOS
-
YTZ
1 stop5h 35m
Porter Airlines
Deal found 14/6C$ 298
Thu 27/87:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Sat 29/88:10 p.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Deal found 15/6C$ 298
Wed 15/711:55 a.m.
YTZ
-
BOS
1 stop4h 05m
Porter Airlines
Sun 19/74:45 p.m.
BOS
-
YTZ
1 stop5h 33m
Porter Airlines
Deal found 12/6C$ 299
Tue 30/67:25 a.m.
YYZ
-
BOS
Nonstop1h 40m
Porter Airlines
Tue 7/710:05 a.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Deal found 11/6C$ 299
Wed 1/77:20 p.m.
YUL
-
BOS
Nonstop1h 35m
Porter Airlines
Tue 7/74:45 p.m.
BOS
-
YUL
Nonstop1h 30m
Porter Airlines
Deal found 11/6C$ 299
Sat 11/73:05 p.m.
YTZ
-
BOS
Nonstop1h 39m
Porter Airlines
Tue 14/74:45 p.m.
BOS
-
YTZ
1 stop5h 33m
Porter Airlines
Deal found 11/6C$ 301
Thu 2/73:40 p.m.
YYZ
-
BOS
1 stop5h 15m
Porter Airlines
Mon 6/710:05 a.m.
BOS
-
YYZ
Nonstop1h 55m
Porter Airlines
Deal found 11/6C$ 301
Thu 2/77:20 p.m.
YUL
-
BOS
Nonstop1h 35m
Porter Airlines
Sun 5/74:45 p.m.
BOS
-
YUL
Nonstop1h 30m
Porter Airlines
Deal found 15/6C$ 301

Find flight deals from Ontario to Maine

Keep the following information in mind while searching for Ontario to Maine flight deals. Data was last updated 15 June 2026.

Round-trip from

C$ 295

One-way from

C$ 187
Porter Airlines
  • Porter Airlines
  • 4/7-6/7
  • 1 total stop
  • 7h 12m total
  • Ontario to Maine
Search Deals
Porter Airlines
  • Porter Airlines
  • 5/7
  • 1 total stop
  • 4h 05m total
  • Ontario to Maine
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Maine 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 15 June 2026.
Use the filters below to find and compare flights from Ontario to Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sat 29/8

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

2 stops7h 00m

Boston Logan Intl

Tue 1/9

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

Nonstop1h 47m

C$ 344

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Sat 4/7

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

1 stop8h 30m

Boston Logan Intl

Sun 5/7

6:00 a.m.-7:55 a.m.

Nonstop1h 55m

C$ 344

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Wed 1/7

8:55 a.m.-2:02 p.m.

1 stop5h 07m

Boston Logan Intl

Sat 4/7

9:35 a.m.-1:47 p.m.

1 stop4h 12m

C$ 345

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Fri 3/7

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

Nonstop1h 35m

Boston Logan Intl

Mon 6/7

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

Nonstop1h 30m

C$ 345

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Mon 13/7

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

Nonstop1h 35m

Boston Logan Intl

Mon 27/7

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

Nonstop1h 30m

C$ 345

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sun 26/7

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

Nonstop1h 39m

Boston Logan Intl

Sun 2/8

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

1 stop5h 35m

C$ 348

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Mon 10/8

3:40 p.m.-8:55 p.m.

1 stop5h 15m

Boston Logan Intl

Tue 18/8

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

1 stop6h 09m

C$ 350

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Sat 4/7

11:00 a.m.-4:33 p.m.

1 stop5h 33m

Boston Logan Intl

Wed 8/7

9:50 a.m.-3:46 p.m.

1 stop5h 56m

C$ 352

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Sat 15/8

7:30 a.m.-4:47 p.m.

1 stop9h 17m

Boston Logan Intl

Wed 19/8

9:30 a.m.-2:19 p.m.

1 stop4h 49m

C$ 352

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Wed 5/8

9:15 a.m.-11:59 p.m.

1 stop14h 44m

Boston Logan Intl

Sat 8/8

5:45 a.m.-7:45 p.m.

1 stop14h 00m

C$ 352

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Maine

Have a flexible travel schedule? Discover the best time to fly to Maine from Ontario 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 Ontario to Maine
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Maine

Get insights into the airlines that provide service to Maine. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Maine. Reviews last updated 15 June 2026.
Get a feel of what it's like to fly with United Airlines from Ontario to Maine by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,831 reviews
Check prices

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,831 reviews
United Airlines
7.4
Good
9,831 reviews
Check prices

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Maine. 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 Region of Ontario to Maine?

    Departing from Region of Ontario to Maine will take you 5h 07m. The distance between Region of Ontario and Maine is about 407 km. This flight may include one or multiple stops.

  • Can I find deals for flights from Ontario to Maine that include hotel bookings?

    Yes. In addition to deals on Ontario to Maine flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Maine?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Maine.

  • Can I find deals for business class flights from Ontario to Maine?

    Yes. Cheapflights offers flight deals from Ontario to Maine 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 Ontario to Maine

See prices for flight routes from nearby airports that may be better suited for you.
Toronto Island to Newark flights
Pearson Intl to Newark flights
Pearson Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Vancouver Intl to Los Angeles flights
Toronto Island to LaGuardia flights
Pearson Intl to John F Kennedy Intl flights
Pearson Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to Newark flights
Vancouver Intl to San Francisco flights
Toronto Island to John F Kennedy Intl flights
Pearson Intl to Fort Lauderdale flights
Pearson Intl to Seattle flights
Pearson Intl to Los Angeles flights
Vancouver Intl to Las Vegas flights
Vancouver Intl to John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to Miami flights
Pearson Intl to Dallas/Fort Worth flights
Vancouver Intl to Newark flights
Pearson Intl to San Francisco flights
Pearson Intl to Orlando flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Pearson Intl to Miami flights
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Vancouver Intl to Honolulu flights
Hamilton to Newark flights
Pearson Intl to Reagan-National flights
Vancouver Intl to San Diego flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Vancouver Intl to LaGuardia flights
Pearson Intl to O'Hare Intl flights
Pearson Intl to George Bush Intcntl flights
Pearson Intl to Nashville flights
Pearson Intl to Boston flights
Pearson Intl to Hobby flights
Pierre Elliott Trudeau Intl to Orlando flights
Vancouver Intl to O'Hare Intl flights
Pearson Intl to Dulles Intl flights
Pearson Intl to Tampa flights
Calgary to Las Vegas flights
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Abbotsford to Los Angeles flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to Nashville flights
Toronto Island to O'Hare Intl flights
Pearson Intl to San Diego flights
Pearson Intl to Atlanta flights
Abbotsford to San Francisco flights
Pearson Intl to Midway flights
Vancouver Intl to Denver flights

Top airline flying from Ontario to Maine

Discover the top airline that operate flights from Ontario to Maine. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 15 June 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 565AverageC$ 907FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Maine?

Cheapflights makes it easy to find Ontario to Maine flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Maine?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to Maine for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ontario to Maine with no change fees?

Certainly. Search results for flights to Maine from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ontario to Maine become cheaper?

Not ready to book yet? You can track prices for flights from Ontario to Maine on Cheapflights with our Price Alert feature and get notified when better prices are available.

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