Cheapest return ATL–BCN flights, September

AirHint found the following cheapest return flights from Atlanta (ATL) to Barcelona (BCN) in September 2026 (see full year).

Return flights

12 Sep - 19 Sep Scandinavian Airlines
19 Sep - 26 Sep Scandinavian Airlines
24 Sep - 01 Oct Frontier Airlines
15 Sep - 22 Sep Air Canada
14 Sep - 23 Sep Frontier Airlines
08 Sep - 22 Sep Frontier Airlines
16 Sep - 23 Sep Turkish Airlines
15 Sep - 24 Sep Frontier Airlines
02 Sep - 10 Sep Frontier Airlines
01 Sep - 09 Sep Turkish Airlines
18 Sep - 25 Sep Frontier Airlines
28 Sep - 05 Oct Frontier Airlines
24 Sep - 01 Oct Air France direct
28 Sep - 05 Oct Air France direct

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

Powered by

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 Barcelona

Cheap car rent in Barcelona

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