Cheapest one-way flights from Boston to Detroit in September from 38€

AirHint found the following cheapest one-way flights from Boston (BOS) to Detroit (DTW) in September 2025 (see full year).

One-Way flights

03 Sep Spirit Airlines direct
07 Sep Spirit Airlines direct
02 Sep Spirit Airlines direct
13 Sep Spirit Airlines direct
06 Sep Spirit Airlines direct
12 Sep Spirit Airlines direct
14 Sep Spirit Airlines direct
11 Sep Spirit Airlines direct
10 Sep Spirit Airlines direct
05 Sep Spirit Airlines direct

Also check the deals for return flights from Boston to Detroit in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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