Cheapest return flights from Atlanta to Barcelona in September from $519

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

Return flights

15 Sep - 23 Sep Frontier Airlines
25 Sep - 24 Oct Frontier Airlines
20 Sep - 26 Sep Frontier Airlines
20 Sep - 22 Sep Frontier Airlines
22 Sep - 29 Sep Frontier Airlines
09 Sep - 14 Sep Spirit Airlines
22 Sep - 18 Oct Frontier Airlines
13 Sep - 21 Sep Frontier Airlines
14 Sep - 30 Sep Frontier Airlines
12 Sep - 19 Sep Frontier Airlines
19 Sep - 26 Sep Frontier Airlines
08 Sep - 13 Sep Spirit Airlines
30 Sep - 07 Oct Air France direct
25 Sep - 24 Oct Air France direct
22 Sep - 18 Oct Virgin Atlantic direct

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