Cheap flights from Philadelphia to Detroit

Cheapest current fares: $100 in July 2026, 728 km direct flight in ~51m.

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Live fares · PHL → DTW

Cheapest month-by-month fares

Lowest available fare per calendar month from Philadelphia (PHL) to Detroit (DTW). Refreshed daily.

Philadelphia (PHL) → Detroit (DTW)

  1. July 2026 $100
  2. June 2026 $158

Frequently asked questions

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

    Based on current 6-month forward fare data, July 2026 is the cheapest month to fly from Philadelphia (PHL) to Detroit (DTW), with fares starting from $100.

  • What is the lowest current fare from PHL to DTW?

    The lowest currently-listed fare from Philadelphia (PHL) to Detroit (DTW) is $100 on 2026-07-01.

  • How long is the flight from Philadelphia to Detroit?

    Direct flights from PHL to DTW cover approximately 728 km (452 miles), with an estimated flight time of 51m. Operating airlines: AA, DL, F9, NK.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.

Full route page: PHL → DTW Cheapest month to fly to Detroit All flights from Philadelphia All flights to Detroit Flights to USA Visa-free with USA passport AA routes DL routes F9 routes