Cheap flights from Pennsylvania to Detroit from $72

The cheapest month to fly to Detroit from Pennsylvania is in January. Flight prices, which tend to average around $282, are often lower during this time because this is during the off-season. If you’re not able to fly to Detroit in January, then February is your next best option. Flight prices from Pennsylvania to Detroit during February average around $289.

On average, the least expensive day to fly to Detroit from Pennsylvania is on a Friday. momondo users have found tickets for Friday departures for as low as $376. 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 Pennsylvania to Detroit for around $565.

At noon is the cheapest time of day to fly from Pennsylvania to Detroit when you can find flight prices for as low as $338. 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 $470 on average. Flights to Detroit from Pennsylvania 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 Pennsylvania - Detroit flight prices

You are more likely to see cheaper flights to Detroit from Pennsylvania when booking weeks ahead of your departure date. In general, you can expect to find flights to Detroit for around $325 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Detroit from Pennsylvania for as low as $153 on momondo.

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

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

Delta, American Airlines and Frontier are the top three most popular airlines that fly to Detroit from Pennsylvania according to our data. Delta is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Detroit. Keep in mind that there are 4 different airlines that fly to Detroit on a routine basis, so you have a few additional options to choose from.

The number of flights available between Pennsylvania and Detroit is 53 per day as of September 2026. The most frequent departure time is 12:00PM, with 50% of daily flights leaving in the afternoon.

As of September 2026, there are 376 flights per week flying from Pennsylvania to Detroit. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.