Cheap flights from Philadelphia to Montreal from $149

The cheapest month to fly to Montreal from Philadelphia is in October. Flight prices, which tend to average around $451, are often lower during this time because this is during the off-season. If you are unable to visit Montreal during the month of October, then departing from Philadelphia during the month September is also very affordable. Most momondo users find prices during this month for around $455.

The cheapest day to depart from Philadelphia to Montreal is on a Friday when prices can be found for as low as $731. Flights from Philadelphia to Montreal on a Sunday will generally be more expensive and average around $906. 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 Philadelphia to Montreal during this time can be as low as $537. In the afternoon is when there is more demand to fly to Montreal, so prices are often more expensive at around $844 per ticket.

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 $514 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 $321 on momondo.

There are 3 cabin classes 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.

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 57% of people opting to fly with this airline when traveling to Montreal. Keep in mind that there are 6 different airlines that fly to Montreal on a routine basis, so you have a few additional options to choose from.

11 flights are operational daily from Philadelphia to Montreal as of August 2026. The most popular departure time for this route is 10:00AM, with 41% of flights per day taking off in the afternoon.

The number of flights available between Philadelphia and Montreal is 79 per week as of August 2026. The most frequent departure day is Tue, with 15% of weekly flights leaving on this day.