Cheapest one-way flights from St. Louis to Detroit in July from $30

AirHint found the following cheapest one-way flights from St. Louis (STL) to Detroit (DTW) in July 2025 (see full year).

One-Way flights

25 Jul Spirit Airlines direct
27 Jul Spirit Airlines direct
18 Jul Spirit Airlines direct
17 Jul Spirit Airlines direct
20 Jul Spirit Airlines direct
14 Jul Spirit Airlines direct
21 Jul Spirit Airlines direct
28 Jul Spirit Airlines direct
11 Jul Spirit Airlines direct
10 Jul Spirit Airlines direct

Also check the deals for return flights from St. Louis to Detroit in July.

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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