$91 Find Cheap Flights from Maine to Ontario

1 adult
1 adult, Economy

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Useful Info

Good to know

Low seasonJanuary
Cheapest flight$91
Best time to beat the crowds but there is an average 18% increase in price.
Most popular time to fly and prices are also 4% lower on average.
Flight from Boston to Toronto Pearson Airport

FAQs for booking flights from Maine to Ontario

  • How does KAYAK find such low prices on flights from Maine to Ontario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Maine to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Maine to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Maine to Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Maine to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Maine to Ontario with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Maine to Ontario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Maine to Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How many airports are there in Ontario?

    There are 24 airports in Ontario. The busiest airport is Toronto Pearson Airport (YYZ), with 77% of all flights arriving there.

  • What is the cheapest day to fly to Ontario?

    Based on KAYAK data, the cheapest day to fly to Ontario is Saturday where round-trip tickets can be as cheap as $286. On the other hand, the most expensive day to fly is Friday, where round-trip prices are $591 on average.

  • What is the cheapest time of day to fly to Ontario?

    The cheapest time of day to fly to Ontario is generally in the evening, when round-trip flights cost $457 on average. Morning departures are around 9% more expensive than evening flights, on average. The most expensive time of day to fly to Ontario is generally in the morning, which is peak travel time and where the average cost of a ticket is $500.

  • How far in advance should I book a flight from Maine to Ontario?

    To get a below average price on the flight from Maine to Ontario, you should book around 3 weeks before departure, which saves you about 47% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 11 weeks before departure.

  • How long is the flight to Ontario?

    An average nonstop flight from Maine to Ontario takes 5h 37m, covering a distance of 429 miles. The shortest route is Boston (BOS) to Montreal Pierre Elliott Trudeau Intl Airport (YUL) with an average flight time of 1h 25m.

Reviews of the top airline flying from Maine to Ontario

 
Need help choosing which airline to fly with from Maine to Ontario? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.2
American AirlinesOverall score based on 11035 reviews
7.2Comfort
6.9Entertainment
6.4Food
8.0Crew
7.5Boarding
Airline reviews

Typically flights with AA are good. The staff are pleasant, welcoming, and efficient.

8.0 ExcellentChristina, Oct 2025BTV - CLT
Read more American Airlines reviews

Typically flights with AA are good. The staff are pleasant, welcoming, and efficient.

A couple ladies from the crew were so rude and nasty. Thought they were mad at having to be there especially if you asked a question. This will make me think twice next time if I book a flight with you.

Delays to take off and to leave the plane after landing added a lot of time to this flight.

Poor seat in rear of aircraft Food at Admiral’s Club Terminal D at DFW inedible

Always seated jammed in rear of aircraft Admirals Club food at DFW terminal D was absolute worst food experience and I pay $600/year to eat this dried out junk

Flight was delayed because of a bird strike. They had another plane available within 45 minutes.

Mostly good. Flight was crowded but Airline personnel were very friendly & accommodating. It would be good to have savory snacks rather than just sweet Biscoff cookies.

It was a typical flight. We had a delay which seems to be the normality now. And we had no in flight service due to conditions.

Flight attendants on this flight were very attentive and friendly

After we landed we sat on the tarmac for 1.5 hours waiting to get to our gate. Ridiculous.

Everything you need to know for your flight to Ontario

Cabin class types available on flights to Maine

Cabin classes available on flights to Maine. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Ontario
Business Class flights to Ontario
Prem Econ Class flights to Ontario
Economy Class flights to Ontario

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