Cheapest one-way flights from Atlanta to Madrid in September from $261

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

One-Way flights

17 Sep Frontier Airlines
25 Sep Frontier Airlines
11 Sep Spirit Airlines
03 Sep Spirit Airlines
01 Sep Frontier Airlines
17 Sep Air France direct
26 Sep Delta direct
26 Sep Air Canada
25 Sep Air France direct
03 Sep Air France direct

Also check the deals for return flights from Atlanta to Madrid 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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