Cheapest one-way flights from Chicago to Nashville in September from $28

AirHint found the following cheapest one-way flights from Chicago (ORD) to Nashville (BNA) in September 2025 (see full year).

One-Way flights

01 Sep Frontier Airlines direct
04 Sep Frontier Airlines direct
22 Sep Frontier Airlines direct
25 Sep Frontier Airlines direct
11 Sep Frontier Airlines direct
15 Sep Frontier Airlines direct
16 Sep Southwest Airlines direct
18 Sep Frontier Airlines direct
12 Sep Spirit Airlines
26 Sep Frontier Airlines direct

Also check the deals for return flights from Chicago to Nashville 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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