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Find low faresSouthwest® flights from Philadelphia to Detroit from $144
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1 Passenger
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today
Low fares from Philadelphia to Detroit
$
Philadelphia (PHL)to
Detroit (DTW)
Depart: 03/03/2026
One-way
Basic
From
$144
Seen: 14 hrs ago
Philadelphia (PHL)to
Detroit (DTW)
Depart: 04/28/2026
One-way
Basic
From
$144
Seen: 8 hrs ago
Philadelphia (PHL)to
Detroit (DTW)
Depart: 05/04/2026
One-way
Basic
From
$159
Seen: 10 hrs ago
Philadelphia (PHL)to
Detroit (DTW)
Depart: 04/09/2026
One-way
Basic
From
$159
Seen: 4 hrs ago
Philadelphia (PHL)to
Detroit (DTW)
Depart: 03/03/2026
One-way
Choice
From
$174
Seen: 14 hrs ago
Philadelphia (PHL)to
Detroit (DTW)
Depart: 04/28/2026
One-way
Choice
From
$174
Seen: 8 hrs ago
Explore flights from Philadelphia to Detroit
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Flight Details
Departing from:
Philadelphia International Airport
Arriving at:
Wayne County Airport
Distance:
453 miles
Route Information
76† Weekly flights
† Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.
‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.
Questions we hear the most
There are 76 weekly flights from Philadelphia to Detroit on Southwest Airlines.
To find the lowest fares by day and time to fly Philadelphia to Detroit with Southwest, check out our Low Fare Calendar.
You can rent a car at Wayne County Airport book yours with your flight.
Yes! Flights from Philadelphia to Detroit—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
Check the status of your upcoming Southwest flight.
Check out the Southwest Airlines® Help Center for answers about everything Southwest.