Cheap flights from Philadelphia to Detroit from $37
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Detroit departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Spirit Airlines flights from Philadelphia to Detroit
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Frontier flights from Philadelphia to Detroit
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How to get the cheapest flight ticket from Philadelphia to Detroit
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Detroit?
The cheapest month to fly to Detroit from Philadelphia is in August. Flight prices, which tend to average around $119, are often lower during this time because this is during the off-season. If you’re not able to fly to Detroit in August, then January is your next best option. Flight prices from Philadelphia to Detroit during January average around $139.
What is the cheapest day to depart on your flight to Detroit?
On average, the least expensive day to fly to Detroit from Philadelphia is on a Thursday. momondo users have found tickets for Thursday departures for as low as $272. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Detroit for around $459.
What is the cheapest time of day to depart on your flight to Detroit?
In the evening is the cheapest time of day to fly from Philadelphia to Detroit when you can find flight prices for as low as $261. Flying to Detroit in the evening 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 $345 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.
What is the cheapest Philadelphia to Detroit flight route?
Fly from Philadelphia to Detroit Metropolitan Wayne County for the best Philadelphia - Detroit flight prices
How far in advance should I book a flight to Detroit?
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 $210 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 $150 on momondo.
What cabin class options are available on Philadelphia to Detroit flights?
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.
What is the cheapest airline that flies from Philadelphia to Detroit?
Frontier, Spirit Airlines, and Southwest are the most popular carriers operating from Philadelphia to Detroit
What airlines fly to Detroit?
Delta, Spirit Airlines and United 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 35% 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.
How many flights depart from Philadelphia to Detroit on average per day?
The number of flights available between Philadelphia and Detroit is 20 per day as of July 2025. The most frequent departure time is 9:00PM, with 42% of daily flights leaving in the afternoon.
How many flights depart from Philadelphia to Detroit on average per week?
The number of flights available between Philadelphia and Detroit is 141 per week as of July 2025. The most frequent departure day is Tue, with 21% of weekly flights leaving on this day.
When to book flights from Philadelphia to Detroit
Cheap Philadelphia to Detroit (PHL to DTT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Detroit
How far is Philadelphia to Detroit by plane?
Detroit is 442.2 mi away from Philadelphia. Typically, this will take 1h 40m by plane in normal conditions.
When did momondo last update prices for flights from Philadelphia Airport to Detroit?
Prices for flights from Philadelphia Airport to Detroit were last updated today.
How many operators does momondo search for flights from Philadelphia Airport to Detroit?
There are 4 operators available for flights from Philadelphia Airport to Detroit as of July 2025.
How old do you have to be to fly from Philadelphia Airport to Detroit?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to Detroit.
What documentation or ID do you need to fly to Detroit?
The required travel and health documents for your Detroit trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Detroit. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Philadelphia to Detroit?
momondo data reveals that the most frequently booked plane model on the route from Philadelphia to Detroit is Airbus A319, representing 19.60% of all bookings. The subsequent popular models are Boeing 717-200 at 17.09%, Canadair (Bombardier) Regional Jet 900 at 15.01%, and Airbus A320neo at 8.08%.
What is the most popular airline from Philadelphia to Detroit?
momondo data reveals that the most frequently booked airline on the route from Philadelphia to Detroit is Spirit Airlines, representing 32% of all bookings. The subsequent popular airlines are American Airlines at 28%, Delta at 25%, and Frontier at 15%.
Best airlines flying from Philadelphia to Detroit
Compare and see reviews for airlines that fly from Philadelphia to Detroit with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $44 | Free Cancellation | Rating 5.9 3,273 reviews | |||
| PriceFrom $50 | Free Cancellation | Rating 6.3 8,063 reviews | |||
| PriceFrom $139 | Free Cancellation | Rating 8.0 7,958 reviews | |||
| PriceFrom $139 | Free Cancellation | Rating 7.2 10,000 reviews |
Delta Flights From Philadelphia to Detroit
Delta flight deals from Philadelphia to Detroit start from $139 round-trip. Over the 15 Delta flights for this route in a normal week, average airfare is usually $300 round-trip - but some users have found much cheaper deals with momondo.
American Airlines Flights From Philadelphia to Detroit
American Airlines (7.2/10 from 10,000 reviews) operates around 17 flights from Philadelphia to Detroit in any given week. The average American Airlines airfare for this route is around $279, with deals from around $139 rare but found on momondo. Referenced prices are for round-trip Philadelphia to Detroit flight searches in the last 72 hours.
Traveling to a place near Detroit?
Book flights to Detroit if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Philadelphia to Detroit?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Detroit from Philadelphia.
Can I find flights from Philadelphia to Detroit with flexible booking policies on momondo?
All flight searches from Philadelphia to Detroit on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Philadelphia to Detroit?
momondo helps you find the best flight between Philadelphia and Detroit by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Philadelphia to Detroit right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Philadelphia to Detroit flights. All you need is a valid email address and we will do the rest; it is that quick and easy.