Cheap flights from Philadelphia to Detroit from $89

The cheapest month to fly to Detroit from Philadelphia is in January. Flight prices, which tend to average around $257, 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 Philadelphia to Detroit during February average around $259.

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 $374. 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 $575.

At noon is the cheapest time of day to fly from Philadelphia to Detroit when you can find flight prices for as low as $346. 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 $487 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 $330 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.

No. A direct flight is the cheapest option for a flight between Philadelphia to Detroit.

As of November 2026, prices for Philadelphia to Detroit flights are approximately 228% more expensive when compared to flights at the same time last year.

Frontier and Southwest 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 50% 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.

The number of flights available between Philadelphia and Detroit is 12 per day as of November 2026. The most frequent departure time is 12:00PM, with 52% of daily flights leaving in the afternoon.

The number of flights available between Philadelphia and Detroit is 88 per week as of November 2026. The most frequent departure day is Fri, with 26% of weekly flights leaving on this day.