Cheap flights from Philadelphia to Detroit from $118

The cheapest month to fly to Detroit from Philadelphia is in February. Flight prices, which tend to average around $259, are often lower during this time because this is during the off-season. If you’re not able to fly to Detroit in February, then January is your next best option. Flight prices from Philadelphia to Detroit during January average around $262.

On average, the least expensive day to fly to Detroit from Philadelphia is on a Friday. momondo users have found tickets for Friday departures for as low as $375. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Detroit for around $579.

At noon is the cheapest time of day to fly from Philadelphia to Detroit when you can find flight prices for as low as $334. Flying to Detroit at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $477 on average. Flights to Detroit from Philadelphia in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Philadelphia to Detroit Metropolitan Wayne County for the best Philadelphia - Detroit flight prices

You are more likely to see cheaper flights to Detroit from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Detroit for around $323 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Detroit from Philadelphia for as low as $153 on momondo.

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

You could potentially save up to 17% on your flight if you consider stops on a Philadelphia to Detroit flight.

As of September 2026, prices for Philadelphia to Detroit flights are approximately 310% more expensive when compared to flights at the same time last year.

Frontier, Southwest, and Delta are the most popular carriers operating from Philadelphia to Detroit

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Detroit from Philadelphia according to our data. Delta is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Detroit. Keep in mind that there are 5 different airlines that fly to Detroit on a routine basis, so you have a few additional options to choose from.

Raleigh (RDU) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Raleigh (RDU) offer the lowest average round-trip price of $213.

Flights connecting via Raleigh (RDU) have the shortest average one-way travel time: 6h 21m.

Nashville (BNA) has the shortest average layover time for this route: 2h 15m.

The number of flights available between Philadelphia and Detroit is 17 per day as of September 2026. The most frequent departure time is 12:00PM, with 51% of daily flights leaving in the afternoon.

The number of flights available between Philadelphia and Detroit is 123 per week as of September 2026. The most frequent departure day is Tue, with 20% of weekly flights leaving on this day.