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Find cheap one-way flights from Philadelphia to Detroit starting at US$21.

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from Philadelphia to Detroit?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from Philadelphia to Detroit

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Spirit Airlines
From US$21
Frontier Airlines
From US$23
Jetblue Airways
From US$86
Delta Air Lines
From US$89
American Airlines
From US$89
United Airlines
From US$119
Southwest Airlines
From US$151
ANA airlines

Find more flights and airlines

Find cheap flights from Philadelphia to Detroit by different airports

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Philadelphia to Detroit.

  • Cheapest
    Spirit Airlines
    PHL
    20:10
    1h 46m
    Direct
    DTW
    21:56
    Philadelphia International Airport - Detroit Metropolitan Wayne County Airport
    Tue, May 14Spirit Airlines
    US$21
  • Frontier Airlines
    TTN
    10:26
    7h 37m
    1 transfer
    DTW
    18:03
    Trenton Mercer Airport - Detroit Metropolitan Wayne County Airport
    Tue, Apr 9Frontier Airlines
    US$48
  • Frontier Airlines
    TTN
    10:26
    7h 37m
    1 transfer
    DTW
    18:03
    Trenton Mercer Airport - Detroit Metropolitan Wayne County Airport
    Tue, Apr 9Frontier Airlines
    US$48
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from Philadelphia (PHL) to Detroit (DTT) the cheapest?

    Airlines adjust prices for flights from Philadelphia to Detroit based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Philadelphia (PHL) to Detroit (DTT) cost?

    According to Trip.com's data, the lowest price is around $308.
  • How long does it take to fly from Philadelphia (PHL) to Detroit (DTT) and what is the distance?

    It takes around 1 hour 50 minutes to fly from Philadelphia (PHL) to Detroit (DTT).
  • What is the transportation method from the main airport to downtown in Detroit?

    • The distance from Detroit Metropolitan Wayne County Airport to downtown is about 28km. It takes about 40 minutes by taxi.
  • What are the most popular airlines that fly from Philadelphia (PHL) to Detroit (DTT)?

    Airlines with flights from Philadelphia (PHL) to Detroit (DTT): KLM, Qatar Airways, WestJet, Delta Air Lines, American Airlines, Air France, Spirit Airlines, Virgin Atlantic, British Airways and Aeromexico.

Philadelphia to Detroit Flight Information

Cheapest nonstop flight price

$21

Cheapest round-trip ticket price

$38

Off-season for travel

December

Peak season for travel

June