Cheapest return flights from Atlanta to Barcelona in September from 376€

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

Return flights

21 Sep - 30 Sep Frontier Airlines
22 Sep - 26 Sep Frontier Airlines
20 Sep - 26 Sep Frontier Airlines
19 Sep - 26 Sep Frontier Airlines
22 Sep - 02 Oct Frontier Airlines
08 Sep - 10 Oct jetBlue
18 Sep - 23 Sep Frontier Airlines
02 Sep - 16 Sep Spirit Airlines
18 Sep - 06 Oct Frontier Airlines
17 Sep - 06 Oct Frontier Airlines
02 Sep - 13 Sep Frontier Airlines
01 Sep - 15 Sep Scandinavian Airlines
03 Sep - 08 Sep Frontier Airlines
09 Sep - 13 Oct Turkish Airlines
11 Sep - 05 Oct Spirit Airlines
22 Sep - 02 Oct Air France direct
18 Sep - 28 Sep Spirit Airlines
24 Sep - 08 Oct Delta
18 Sep - 06 Oct Air France direct
09 Sep - 13 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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