Cheapest return flights from Atlanta to Dublin in September from $470

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

Return flights

07 Sep - 16 Sep Spirit Airlines
21 Sep - 27 Sep Spirit Airlines
16 Sep - 23 Sep Scandinavian Airlines
08 Sep - 16 Sep Spirit Airlines
24 Sep - 30 Sep Frontier Airlines
09 Sep - 17 Sep Frontier Airlines
16 Sep - 24 Sep Scandinavian Airlines
23 Sep - 01 Oct Frontier Airlines
24 Sep - 01 Oct Frontier Airlines
25 Sep - 30 Sep Spirit Airlines
10 Sep - 18 Sep Spirit Airlines
22 Sep - 30 Sep Frontier Airlines
30 Sep - 08 Oct Scandinavian Airlines
29 Sep - 07 Oct Scandinavian Airlines
25 Sep - 01 Oct Scandinavian Airlines
27 Sep - 05 Oct Frontier Airlines
29 Sep - 06 Oct Scandinavian Airlines
25 Sep - 03 Oct Scandinavian Airlines
28 Sep - 06 Oct Frontier Airlines
29 Sep - 07 Oct Delta direct

Also check the deals for one-way flights from Atlanta to Dublin 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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin

Feel free to contact us with any feedback or request another flight research.