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

Return flights

03 Sep - 08 Sep	Spirit Airlines
18 Sep - 02 Oct	Spirit Airlines
21 Sep - 02 Oct	Spirit Airlines
15 Sep - 29 Sep	Spirit Airlines
24 Sep - 29 Sep	Spirit Airlines
10 Sep - 17 Sep	Spirit Airlines
03 Sep - 09 Sep	Spirit Airlines
21 Sep - 30 Sep	Spirit Airlines
10 Sep - 17 Sep	Iberia	direct
03 Sep - 09 Sep	Iberia	direct
02 Sep - 09 Sep	United
11 Sep - 18 Sep	United
21 Sep - 02 Oct	Finnair	direct
18 Sep - 02 Oct	Finnair	direct
29 Sep - 06 Oct	United
26 Sep - 03 Oct	United
29 Sep - 06 Oct	Aer Lingus	direct

Also check the deals for one-way flights from Charlotte to Dublin 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 Dublin in September from $465

Return flights