Cheap flights from New York LaGuardia Airport to Montreal from C$ 137

The month of November is, on average, the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport from New York LaGuardia Airport, with most prices found around C$ 379. The month of July is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from New York LaGuardia Airport averaging around C$ 395.

The cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport is on a Wednesday when prices can be found for as low as C$ 376. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from New York LaGuardia Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 468.

In the evening is the cheapest time of day to fly from New York LaGuardia Airport to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as C$ 322. Flying to Montreal Pierre Elliott Trudeau Intl Airport in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around C$ 465. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Montreal Pierre Elliott Trudeau Intl Airport from New York LaGuardia Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal Pierre Elliott Trudeau Intl Airport for around C$ 455 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal Pierre Elliott Trudeau Intl Airport from New York LaGuardia Airport for as low as C$ 332 on momondo.

There are 3 cabin classes available to choose from on New York LaGuardia to Montreal Pierre Elliott Trudeau Intl 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.

16 flights are operational daily from New York LaGuardia Airport to Montreal Pierre Elliott Trudeau Intl Airport as of March 2026. The most popular departure time for this route is 12:00p.m., with 51% of flights per day taking off in the afternoon.

As of March 2026, there are 117 flights per week flying from New York LaGuardia Airport to Montreal Pierre Elliott Trudeau Intl Airport. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.