Cheap flights from Montreal to Philadelphia from C$ 304

The cheapest month to fly to Philadelphia from Montreal is in September. Flight prices, which tend to average around C$ 201, are often lower during this time because this is during the off-season. The month of October is another great option to travel to Philadelphia, with average flight prices from Montreal averaging around C$ 224.

Our data shows that Wednesday is the least expensive day to fly to Philadelphia. Tickets to fly out on this day can be as low as C$ 616. Flights from Montreal to Philadelphia on a Monday will generally be more expensive and average around C$ 766. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

According to our data, the cheapest time of day to fly to Philadelphia is in the evening. momondo users have found flights departing from Montreal to Philadelphia in the evening for as low as C$ 522. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the afternoon because they tend to be around C$ 769. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Philadelphia from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around C$ 598 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Montreal for as low as C$ 418 on momondo.

There are 2 cabin classes available to choose from on Montreal to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Delta and Porter Airlines are the most popular carriers operating from Montreal to Philadelphia

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Philadelphia from Montreal according to our data. Air Canada is the first choice among our users, with 63% of people opting to fly with this airline when travelling to Philadelphia. Keep in mind that there are 6 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

As of May 2026, 7 flights take off from Montreal and land in Philadelphia each day. The most common flight departure time for this route is 1:00p.m., with 61% of daily flights taking off in the afternoon.

The number of flights available between Montreal and Philadelphia is 50 per week as of May 2026. The most frequent departure day is Mon, with 22% of weekly flights leaving on this day.