Cheap flights from Philadelphia to Montreal from C$ 171

The cheapest month to fly to Montreal from Philadelphia is in September. Flight prices, which tend to average around C$ 629, 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 Philadelphia during October instead. Flights to Montreal in October, while not as cheap as those in September, still average around C$ 629.

Our data shows that Monday is the least expensive day to fly to Montreal. Tickets to fly out on this day can be as low as C$ 346. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Montreal for around C$ 767.

Our data shows that the cheapest Philadelphia to Montreal flights are usually those with departure times at noon. Our users have found flights to Montreal at noon for as low as C$ 396. Flights in the morning are often more expensive with an average ticket price of C$ 884.

Fly from Philadelphia to Montreal Pierre Elliott Trudeau Intl for the best Philadelphia - Montreal flight prices

You are more likely to see cheaper flights to Montreal from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal for around C$ 676 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal from Philadelphia for as low as C$ 424 on momondo.

There is only 1 cabin class available to choose from on Philadelphia to Montreal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Philadelphia to Montreal.

As of February 2026, prices for Philadelphia to Montreal flights are approximately 40% cheaper when compared to flights at the same time last year.

Air Canada, Delta, and United Airlines are the most popular carriers operating from Philadelphia to Montreal

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Montreal from Philadelphia according to our data. Air Canada is the first choice among our users, with 61% of people opting to fly with this airline when travelling 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.

As of February 2026, 8 flights take off from Philadelphia and land in Montreal each day. The most common flight departure time for this route is 10:00a.m., with 46% of daily flights taking off in the afternoon.

As of February 2026, 62 flights take off from Philadelphia and land in Montreal each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.