Cheapest one-way flights from Atlanta to Dublin in September from $222

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

One-Way flights

24 Sep Spirit Airlines
27 Sep Frontier Airlines
25 Sep Spirit Airlines
29 Sep Frontier Airlines
09 Sep Spirit Airlines
16 Sep Frontier Airlines
12 Sep Frontier Airlines
19 Sep Spirit Airlines
10 Sep Spirit Airlines
09 Sep Air France direct

Also check the deals for return 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.

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