Cheap flights from Philadelphia to Detroit

One-way fares from $96 · PHL → DTT · prices found by travellers in the last 48 hours

Cheapest fare
$96

Frontier Airlines · Wed, Nov 11

Cheapest month
November

from $96

Direct flights
Yes

Frontier Airlines

Flight time
1h 56m

710 km

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Cheapest month to fly from Philadelphia to Detroit

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $96
  2. January 2027 $123

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart07:50 Wed, Nov 11PHL → DTW 6h 07m · 1 stop
$96one way, per person
View deal
Frontier Airlines
Depart12:10 Thu, Nov 12PHL → DTW 1h 56m · Direct
$105one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Detroit

Where to stay, what to do and getting around, from our travel partners.

About flights from Philadelphia to Detroit

Philadelphia (PHL) and Detroit (DTT) are about 710 km apart. Direct flights take around 1h 56m, and recent direct fares were with Frontier Airlines. Over the next few months, one-way fares start from $96, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Philadelphia to Detroit?

The cheapest one-way fare we've seen recently is $96 with Frontier Airlines, departing Wednesday, November 11, 2026. Over the coming months, the lowest fare in each month ranges from $96 to $123.

What is the cheapest month to fly from Philadelphia to Detroit?

November 2026 currently has the lowest fares, from $96 one way.

Are there direct flights from Philadelphia to Detroit?

Yes. Recent direct fares were with Frontier Airlines.

How long is the flight from Philadelphia to Detroit?

A direct flight takes about 1h 56m. Philadelphia and Detroit are around 710 km apart.

Which airlines fly from Philadelphia to Detroit?

Recent fares on this route were with Frontier Airlines.

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