Cheap flights from New York LaGuardia Airport to Ontario from $89

The month of June is, on average, the cheapest month to fly to Region of Ontario from New York LaGuardia Airport, with most prices found around $261. If you aren’t able to travel during the month of June, then book flights to Region of Ontario from New York LaGuardia Airport during September instead. Flights to Region of Ontario in September, while not as cheap as those in June, still average around $263.

According to our data, Friday is the cheapest day to fly to Region of Ontario from New York LaGuardia Airport. The lowest ticket price found for a Friday departure recently was $320. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from New York LaGuardia Airport to Region of Ontario on a Sunday will generally be more expensive and average around $387. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

According to our data, the cheapest time of day to fly to Region of Ontario is in the morning. momondo users have found flights departing from New York LaGuardia Airport to Region of Ontario in the morning for as low as $344. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $401.

Fly from New York LaGuardia to Toronto Island for the best New York LaGuardia - Ontario flight prices

You are more likely to see cheaper flights to Region of Ontario from New York LaGuardia Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $282 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from New York LaGuardia Airport for as low as $201 on momondo.

There are 4 cabin classes available to choose from on New York LaGuardia to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Air Canada, Delta, and United Airlines are the most popular carriers operating from New York LaGuardia to Ontario

Porter Airlines, Air Canada and American Airlines are the top three most popular airlines that fly to Region of Ontario from New York LaGuardia Airport according to our data. Porter Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 7 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

As of March 2026, 56 flights take off from New York LaGuardia Airport and land in Region of Ontario each day. The most common flight departure time for this route is 11:00AM, with 41% of daily flights taking off at noon.

As of March 2026, there are 393 flights per week flying from New York LaGuardia Airport to Region of Ontario. The most common day of the week flights depart is Wed, with 16% of flights taking off on this day.