Cheap flights from New York LaGuardia Airport to Montreal from $104

The cheapest month to fly to Montreal from New York LaGuardia Airport is in September. Flight prices, which tend to average around $307, are often lower during this time because this is during the off-season. If you are unable to visit Montreal during the month of September, then departing from New York LaGuardia Airport during the month January is also very affordable. Most momondo users find prices during this month for around $310.

The cheapest day to depart from New York LaGuardia Airport to Montreal is on a Thursday when prices can be found for as low as $455. Flights from New York LaGuardia Airport to Montreal on a Sunday will generally be more expensive and average around $553. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our most recent data shows that the best time of day to fly to Montreal is at noon. Flights from New York LaGuardia Airport to Montreal during this time can be as low as $440. In the afternoon is when there is more demand to fly to Montreal, so prices are often more expensive at around $547 per ticket.

Fly from New York LaGuardia to Montreal Pierre Elliott Trudeau Intl for the best New York LaGuardia - Montreal flight prices

You are more likely to see cheaper flights to Montreal from New York LaGuardia Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal for around $334 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal from New York LaGuardia Airport for as low as $243 on momondo.

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

Delta is the most popular carrier operating from New York LaGuardia to Montreal

Air Canada, Delta and American Airlines are the top three most popular airlines that fly to Montreal from New York LaGuardia Airport according to our data. Air Canada is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Montreal. Keep in mind that there are 5 different airlines that fly to Montreal on a routine basis, so you have a few additional options to choose from.

Historically, on average around 18% of flights between New York and Montreal have experienced a delay on any given week. The average delay length over the past 12 months has been 131 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

According to our data, American Airlines have had the least number of delays on this route over the last 12 months; with about 13% of their flights experiencing any sort of delay.

As of March 2026, there are 17 flights per day flying from New York LaGuardia Airport to Montreal. The most common time of day flights depart is 5:00PM, with 56% of flights taking off in the afternoon.

The number of flights available between New York LaGuardia Airport and Montreal is 124 per week as of March 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.