Find flights
Deals
When to book
FAQs

Cheap flights from Maine to Ontario from C$ 128

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 19/11. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
13 Nov — 20 Nov1
1 adult
1 adult, Economy

Cheap flight deals from Maine to Ontario

Keep the following information in mind while searching for Maine to Ontario flight deals. Data was last updated 14 October 2025.

Round-trip from

C$ 296

One-way from

C$ 128

Popular in

November

Cheapest in

September

Average price

C$ 440
Air Canada
  • Air Canada
  • 28/11-5/12
  • Nonstop
  • 3h 44m total
  • Maine to Ontario
Search Deals
Air Canada
  • Air Canada
  • 19/11
  • 1 total stop
  • 5h 19m total
  • Maine to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 79 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find 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 14 October 2025.

Fri 28/116:15 a.m.BOS - YYZ
Nonstop2h 02mAir Canada
Fri 5/128:55 p.m.YYZ - BOS
Nonstop1h 42mAir Canada
Deal found 14/10C$ 296
Thu 13/113:40 p.m.BOS - YTZ
1 stop5h 55mAir Canada
Sun 16/118:30 p.m.YTZ - BOS
1 stop13h 02mAir Canada
Deal found 13/10C$ 305
Wed 19/116:15 a.m.BOS - YYZ
Nonstop2h 02mAir Canada
Thu 20/118:15 a.m.YYZ - BOS
Nonstop1h 42mAir Canada
Deal found 14/10C$ 310
Thu 13/1110:15 a.m.BOS - YYZ
1 stop5h 19mAir Canada
Sun 16/1111:10 p.m.YYZ - BOS
1 stop10h 22mAir Canada
Deal found 13/10C$ 315
Tue 4/1110:15 a.m.BOS - YTZ
1 stop4h 40mAir Canada
Thu 6/1110:30 a.m.YTZ - BOS
1 stop4h 22mAir Canada
Deal found 14/10C$ 316
Tue 4/115:30 a.m.BOS - YTZ
2 stops6h 12mAir Canada
Wed 12/118:50 a.m.YTZ - BOS
2 stops6h 02mAir Canada
Deal found 14/10C$ 330
Sat 1/1110:15 a.m.BOS - YTZ
1 stop4h 40mAir Canada
Tue 4/1112:30 p.m.YTZ - BOS
1 stop6h 42mAir Canada
Deal found 14/10C$ 332
Tue 9/121:00 p.m.BOS - YYZ
Nonstop2h 00mAir Canada
Fri 12/128:55 p.m.YYZ - BOS
Nonstop1h 42mAir Canada
Deal found 13/10C$ 333
Fri 14/117:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Tue 18/118:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 12/10C$ 333
Fri 14/117:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Sun 16/118:00 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 12/10C$ 334
Thu 6/117:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Mon 10/1111:05 a.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 14/10C$ 336
Sat 1/1110:15 a.m.BOS - YYZ
1 stop5h 19mAir Canada
Tue 4/118:55 p.m.YYZ - BOS
Nonstop1h 42mAir Canada
Deal found 14/10C$ 337

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 14 October 2025.
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

Sat 1/11

10:15 a.m.-2:55 p.m.

1 stop4h 40m

Toronto Island

Tue 4/11

12:30 p.m.-7:12 p.m.

1 stop6h 42m

C$ 332

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 16/1

7:05 a.m.-9:04 a.m.

Nonstop1h 59m

Toronto Island

Mon 19/1

11:05 a.m.-12:40 p.m.

Nonstop1h 35m

C$ 334

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 6/11

10:15 a.m.-4:55 p.m.

1 stop6h 40m

Toronto Island

Mon 10/11

12:30 p.m.-7:12 p.m.

1 stop6h 42m

C$ 334

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sat 1/11

6:40 p.m.-12:04 a.m.

1 stop5h 24m

Toronto Pearson Intl

Tue 4/11

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

1 stop6h 12m

C$ 340

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 27/11

10:15 a.m.-6:13 p.m.

2 stops7h 58m

Toronto Island

Thu 4/12

10:25 a.m.-7:12 p.m.

2 stops8h 47m

C$ 353

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 5/12

7:00 a.m.-8:55 a.m.

Nonstop1h 55m

Toronto Island

Mon 8/12

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

Nonstop1h 35m

C$ 358

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 28/11

7:00 a.m.-8:55 a.m.

Nonstop1h 55m

Toronto Island

Tue 2/12

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

Nonstop1h 35m

C$ 361

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 10/11

7:00 a.m.-8:55 a.m.

Nonstop1h 55m

Toronto Island

Thu 13/11

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

Nonstop1h 35m

C$ 361

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 21/11

7:00 a.m.-8:55 a.m.

Nonstop1h 55m

Toronto Island

Fri 28/11

2:05 p.m.-6:11 p.m.

1 stop4h 06m

C$ 375

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 5/12

7:00 a.m.-8:55 a.m.

Nonstop1h 55m

Toronto Island

Sun 7/12

11:05 a.m.-12:40 p.m.

Nonstop1h 35m

C$ 392

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/10

Showing 1-10 of 60 results
1
2
3
...
6

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

What is the cheapest time of day to fly from ME to ON?

Find hourly flight availability from Maine to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 October 2025.

When flying from Maine to Region of Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 59% versus a flight in the afternoon.

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?

    Air Canada, Porter Airlines, and United Airlines can get you from Maine to Region of Ontario in just under 1h 59m. Your travel time can differ by up to 13h 36m. 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 Air Canada. According to our data, you can fly for as low as C$ 128. Users have also found prices from C$ 150 and C$ 226 on Porter Airlines and United Airlines, 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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
John F Kennedy Intl to Pearson Intl flights
LaGuardia to Pearson Intl flights
Newark to Toronto Island flights
LaGuardia to Pierre Elliott Trudeau Intl flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
Newark to Pierre Elliott Trudeau Intl flights
Los Angeles to Pearson Intl flights
Los Angeles to Vancouver Intl flights
O'Hare Intl to Pearson Intl flights
San Francisco to Pearson Intl flights
Boston to Pearson Intl flights
San Francisco to Vancouver Intl flights
John F Kennedy Intl to Vancouver Intl flights
Newark to Vancouver Intl flights
Dulles Intl to Pearson Intl flights
Boston to Toronto Island flights
Seattle to Pearson Intl flights
Reagan-National to Pearson Intl flights
Dallas/Fort Worth to Pearson Intl flights
O'Hare Intl to Vancouver Intl flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
Dulles Intl to Toronto Island flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Newark to Québec City flights
San Diego to Vancouver Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Atlanta to Pearson Intl flights
Newark to Calgary flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Seattle to Vancouver Intl flights
Boston to Pierre Elliott Trudeau Intl flights
Fort Lauderdale to Pearson Intl flights
LaGuardia to Vancouver Intl flights
Santa Ana to Vancouver Intl flights
John F Kennedy Intl to Calgary flights
Los Angeles to Calgary flights
Los Angeles to Pierre Elliott Trudeau Intl flights
Hobby to Vancouver Intl flights
Hobby to Pearson Intl flights
Minneapolis to Pearson Intl flights
San Francisco to Pierre Elliott Trudeau Intl flights
Denver to Vancouver Intl flights
Dulles Intl to Vancouver Intl flights
George Bush Intcntl to Pearson Intl flights
Boston to Vancouver Intl flights
San Francisco to Calgary flights
Ontario to Vancouver Intl flights
Seattle to Calgary flights
Philadelphia to Pierre Elliott Trudeau Intl 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 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.

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

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.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Maine to Ontario flexibly with Cheapflights today.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.