Cheap flights from Detroit to Philadelphia

One-way fares from $82 · DTT → PHL · prices found by travellers in the last 48 hours

Cheapest fare
$82

Frontier Airlines · Fri, Nov 6

Cheapest month
November

from $82

Direct flights
Yes

Frontier Airlines

Flight time
1h 42m

710 km

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Cheapest month to fly from Detroit to Philadelphia

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

  1. November 2026 Cheapest $82

Cheapest dates in November 2026

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

Frontier Airlines
Depart15:01 Fri, Nov 6DTW → PHL 1h 42m · Direct
$82one way, per person
View deal
Frontier Airlines
Depart06:00 Tue, Nov 24DTW → PHL 5h 38m · 1 stop
$106one way, per person
View deal
Frontier Airlines
Depart15:01 Thu, Nov 12DTW → PHL 1h 42m · Direct
$109one way, per person
View deal
Frontier Airlines
Depart11:27 Sun, Nov 29DTW → PHL 5h 51m · 1 stop
$144one way, per person
View deal
Frontier Airlines
Depart16:29 Fri, Nov 13DTW → PHL 5h 53m · 1 stop
$173one way, per person
View deal
Frontier Airlines
Depart17:49 Sun, Nov 8DTW → PHL 5h 14m · 1 stop
$180one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Philadelphia

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

About flights from Detroit to Philadelphia

Detroit (DTT) and Philadelphia (PHL) are about 710 km apart. Direct flights take around 1h 42m, and recent direct fares were with Frontier Airlines. Over the next few months, one-way fares start from $82, 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 Detroit to Philadelphia?

The cheapest one-way fare we've seen recently is $82 with Frontier Airlines, departing Friday, November 6, 2026.

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

November 2026 currently has the lowest fares, from $82 one way.

Are there direct flights from Detroit to Philadelphia?

Yes. Recent direct fares were with Frontier Airlines.

How long is the flight from Detroit to Philadelphia?

A direct flight takes about 1h 42m. Detroit and Philadelphia are around 710 km apart.

Which airlines fly from Detroit to Philadelphia?

Recent fares on this route were with Frontier Airlines.

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