Cheap flights from New York LaGuardia Airport to Montreal from C$ 143

The cheapest month to fly to Montreal from New York LaGuardia Airport is in September. Flight prices, which tend to average around C$ 421, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Montreal from New York LaGuardia Airport during January instead. Flights to Montreal in January, while not as cheap as those in September, still average around C$ 426.

Our data shows that Wednesday is the least expensive day to fly to Montreal. Tickets to fly out on this day can be as low as C$ 378. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from New York LaGuardia Airport to Montreal for around C$ 469.

Our data shows that the cheapest New York LaGuardia Airport to Montreal flights are usually those with departure times in the evening. Our users have found flights to Montreal in the evening for as low as C$ 323. Flights in the afternoon are often more expensive with an average ticket price of C$ 472.

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 C$ 459 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 C$ 334 on momondo.

There are 3 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.

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 departing at night have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week that experiences the fewest 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 has had the least delays on this route over the last 12 months, with about 13% of their flights experiencing any sort of delay.

15 flights are operational daily from New York LaGuardia Airport to Montreal as of March 2026. The most popular departure time for this route is 6:00a.m., with 52% of flights per day taking off in the afternoon.

As of March 2026, there are 105 flights per week flying from New York LaGuardia Airport to Montreal. The most common day of the week flights depart is Thu, with 17% of flights taking off on this day.