Cheapest one-way flights from Atlanta to Barcelona in September from $243

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

One-Way flights

28 Sep Frontier Airlines
10 Sep Frontier Airlines
29 Sep Air Canada
17 Sep Air Canada
29 Sep Air France direct
28 Sep Air France direct
10 Sep Air France direct
18 Sep Air France direct
17 Sep Air France direct

Also check the deals for return 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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