AirHint found the following cheapest return flights from Charlotte (CLT) to Split (SPU) in September 2025 (see full year).

Return flights

09 Sep - 16 Sep	Frontier Airlines
02 Sep - 09 Sep	Spirit Airlines
25 Sep - 02 Oct	Frontier Airlines
23 Sep - 30 Sep	Spirit Airlines
13 Sep - 20 Sep	Spirit Airlines
10 Sep - 17 Sep	Spirit Airlines
11 Sep - 18 Sep	Spirit Airlines
27 Sep - 04 Oct	Spirit Airlines
29 Sep - 06 Oct	Spirit Airlines
17 Sep - 24 Sep	Spirit Airlines
24 Sep - 01 Oct	Spirit Airlines
08 Sep - 15 Sep	Spirit Airlines
05 Sep - 12 Sep	Spirit Airlines
06 Sep - 13 Sep	Spirit Airlines
26 Sep - 03 Oct	Spirit Airlines
28 Sep - 05 Oct	Spirit Airlines

Also check the deals for one-way flights from Charlotte to Split in September.

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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Cheapest return flights from Charlotte to Split in September from $531

Return flights