Find flights
Deals
When to book
FAQs

Cheap flights from Maine to Ontario from C$ 142

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 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YYZ
27 Jan — 3 Feb1
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 28 December 2025.

Wed 31/121:25 p.m.BOS - YTZ
Nonstop1h 59mPorter Airlines
Wed 7/12:05 p.m.YTZ - BOS
1 stop4h 05mPorter Airlines
Deal found 24/12C$ 429
Wed 31/123:40 p.m.BOS - YYZ
1 stop4h 23mPorter Airlines
Wed 7/17:15 a.m.YYZ - BOS
1 stop4h 26mPorter Airlines
Deal found 24/12C$ 503
Wed 31/125:30 a.m.BOS - YTZ
1 stop4h 25mAir Canada
Wed 7/110:30 a.m.YTZ - BOS
1 stop4h 22mAir Canada
Deal found 24/12C$ 526
Wed 31/1210:20 a.m.BOS - YUL
1 stop6h 55mPorter Airlines
Fri 9/14:00 p.m.YUL - BOS
1 stop4h 30mPorter Airlines
Deal found 24/12C$ 543
Wed 31/1210:20 a.m.BOS - YUL
1 stop6h 55mMultiple Airlines
Fri 9/14:00 p.m.YUL - BOS
3 stops22h 38mMultiple Airlines
Deal found 24/12C$ 610
Wed 31/124:35 p.m.BOS - YYZ
Nonstop2h 07mAir Canada
Tue 6/112:30 a.m.YYZ - BOS
1 stop9h 02mAir Canada
Deal found 24/12C$ 618
Wed 31/123:40 p.m.BOS - YYZ
1 stop4h 23mMultiple Airlines
Wed 7/111:30 p.m.YYZ - BOS
2 stops23h 49mMultiple Airlines
Deal found 24/12C$ 644
Wed 31/123:40 p.m.BOS - YUL
Nonstop1h 25mUnited Airlines
Fri 9/17:00 a.m.YUL - BOS
1 stop4h 07mUnited Airlines
Deal found 24/12C$ 645
Wed 31/1210:20 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Tue 6/16:55 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 26/12C$ 693
Mon 29/127:00 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Sat 31/11:10 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 26/12C$ 707
Mon 29/1210:20 a.m.BOS - YTZ
Nonstop1h 55mPorter Airlines
Fri 30/16:55 p.m.YTZ - BOS
Nonstop1h 35mPorter Airlines
Deal found 26/12C$ 711
Tue 30/1212:29 p.m.BOS - YOW
1 stop28h 44mMultiple Airlines
Tue 6/14:20 p.m.YOW - BOS
1 stop17h 41mMultiple Airlines
Deal found 25/12C$ 718

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 28 December 2025.

Round-trip from

C$ 303

One-way from

C$ 142

Popular in

December

Cheapest in

March

Average price

C$ 1,238
Porter Airlines
  • Porter Airlines
  • 23/1-26/1
  • Nonstop
  • 3h 30m total
  • Maine to Ontario
Search Deals
26/1
  • 26/1
  • 1 total stop
  • 25h 30m total
  • Maine to Ontario
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 241 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 62 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 28 December 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

Mon 26/1

9:00 a.m.-10:55 a.m.

Nonstop1h 55m

Toronto Island

Mon 2/2

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

Nonstop1h 35m

C$ 303

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sat 10/1

9:00 a.m.-10:55 a.m.

Nonstop1h 55m

Toronto Island

Mon 12/1

10:40 a.m.-6:10 p.m.

2 stops7h 30m

C$ 313

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 13/2

6:55 p.m.-8:52 p.m.

Nonstop1h 57m

Toronto Island

Mon 16/2

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

Nonstop1h 35m

C$ 316

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 30/1

9:00 a.m.-10:55 a.m.

Nonstop1h 55m

Toronto Island

Fri 30/1

2:05 p.m.-6:10 p.m.

1 stop4h 05m

C$ 318

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sat 10/1

9:00 a.m.-10:55 a.m.

Nonstop1h 55m

Toronto Island

Sun 11/1

6:55 p.m.-8:30 p.m.

Nonstop1h 35m

C$ 320

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sun 8/2

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

Nonstop1h 57m

Toronto Island

Sun 8/2

2:05 p.m.-6:10 p.m.

1 stop4h 05m

C$ 320

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sat 24/1

1:30 p.m.-3:25 p.m.

Nonstop1h 55m

Toronto Island

Sun 25/1

2:05 p.m.-6:10 p.m.

1 stop4h 05m

C$ 325

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 12/2

7:05 a.m.-9:02 a.m.

Nonstop1h 57m

Toronto Island

Sun 15/2

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

Nonstop1h 35m

C$ 332

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sat 10/1

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

1 stop4h 40m

Toronto Island

Sun 11/1

6:55 p.m.-8:30 p.m.

Nonstop1h 35m

C$ 353

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Mon 9/2

3:43 p.m.-5:13 p.m.

1 stop25h 30m

Ottawa

Mon 16/2

4:35 p.m.-10:05 p.m.

1 stop5h 30m

C$ 357

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/12

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
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 Air Canada can get you from Maine to Region of Ontario in just under 1h 55m. Your travel time can differ by up to 3h 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.

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

    For one-way options, check prices for Air France. According to our data, you can fly for as low as C$ 529. Users have also found prices from C$ 569 and C$ 649 on Egyptair and MEA, 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 Toronto Island flights
Los Angeles to Vancouver Intl flights
Newark to Pearson Intl flights
LaGuardia to Pearson Intl flights
John F Kennedy Intl to Vancouver Intl flights
Newark to Pierre Elliott Trudeau Intl flights
Newark to Vancouver Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
John F Kennedy Intl to Pearson Intl flights
San Francisco to Vancouver Intl flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
Newark to Calgary flights
Los Angeles to Pearson Intl flights
O'Hare Intl to Vancouver Intl flights
John F Kennedy Intl to Calgary flights
Dulles Intl to Pearson Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Denver to Vancouver Intl flights
Reagan-National to Pearson Intl flights
Boston to Pearson Intl flights
San Francisco to Pearson Intl flights
O'Hare Intl to Calgary flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Pearson Intl flights
Atlanta to Vancouver Intl flights
Boston to Vancouver Intl flights
LaGuardia to Vancouver Intl flights
O'Hare Intl to Pearson Intl flights
Boston to Pierre Elliott Trudeau Intl flights
Boston to Toronto Island flights
San Francisco to Calgary flights
Dulles Intl to Vancouver Intl flights
Atlanta to Pearson Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
Seattle to Vancouver Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Newark to Québec City flights
Hobby to Vancouver Intl flights
Ontario to Vancouver Intl flights
San Diego to Vancouver Intl flights
Hobby to Calgary flights
Sacramento to Vancouver Intl flights
Miami to Pearson Intl flights
Hobby to Pearson Intl flights
Minneapolis to Vancouver Intl flights
Fort Lauderdale to Pearson Intl flights
Dallas/Fort Worth to Vancouver Intl flights
Santa Ana to Vancouver Intl flights
Sky Harbor Intl to Pearson 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.