Cheap flights from Harrisburg to Detroit

One-way fares from $327 · HAR → DTT · prices found by travellers in the last 48 hours

Compare all dates Detroit → Harrisburg
Cheapest fare
$327

Allegiant Air · Thu, Nov 12

Cheapest month
November

from $327

Direct flights
Not recently

Usually 1+ stop

Quickest trip
7h 13m

570 km

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Cheapest month to fly from Harrisburg to Detroit

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

  1. November 2026 Cheapest $327

Cheapest dates in November 2026

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

Allegiant Air
Depart21:59 Thu, Nov 12MDT → DTW 7h 13m · 2 stops
$327one way, per person
View deal
See every date in November 2026 →

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Getting around

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About flights from Harrisburg to Detroit

Harrisburg (HAR) and Detroit (DTT) are about 570 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 7h 13m. Over the next few months, one-way fares start from $327, 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 Harrisburg to Detroit?

The cheapest one-way fare we've seen recently is $327 with Allegiant Air, departing Thursday, November 12, 2026.

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

November 2026 currently has the lowest fares, from $327 one way.

Are there direct flights from Harrisburg to Detroit?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Harrisburg to Detroit?

The quickest journey we've seen takes about 7h 13m. Harrisburg and Detroit are around 570 km apart.

Which airlines fly from Harrisburg to Detroit?

Recent fares on this route were with Allegiant Air.

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