Cheap flights from Michigan to Philadelphia from $39

The cheapest month to fly to Philadelphia from Michigan is in January. Flight prices, which tend to average around $262, 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 Michigan averaging around $298.

The cheapest day to depart from Michigan to Philadelphia is on a Friday. Travelers who choose to depart for Philadelphia on a Friday will often find tickets for as low as $374. On the other hand, Sunday is the most expensive day to depart from Michigan because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $766.

According to our data, the cheapest time of day to fly to Philadelphia is at noon. momondo users have found flights departing from Michigan to Philadelphia at noon for as low as $301. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is in the afternoon when prices are around $900.

Fly from Grand Rapids Gerald R. Ford Intl to Philadelphia for the best Michigan - Philadelphia flight prices

You are more likely to see cheaper flights to Philadelphia from Michigan when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $312 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Michigan for as low as $148 on momondo.

There are 4 cabin classes available to choose from on Michigan to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Southwest, Delta, and American Airlines are the most popular carriers operating from Michigan to Philadelphia

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to Philadelphia from Michigan according to our data. Delta is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 7 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

As of September 2026, there are 26 flights per day flying from Michigan to Philadelphia. The most common time of day flights depart is 9:00PM, with 46% of flights taking off in the afternoon.

185 flights are operational weekly from Michigan to Philadelphia as of September 2026. The most popular departure day for this route is Mon, with 18% of flights per week taking off on this day.