Cheapest return flights from Atlanta to Madrid in December from $387

AirHint found the following cheapest return flights from Atlanta (ATL) to Madrid (MAD) in December 2025 (see full year).

Return flights

02 Dec - 10 Dec Frontier Airlines
05 Dec - 10 Dec Frontier Airlines
05 Dec - 11 Dec Frontier Airlines
10 Dec - 10 Jan Frontier Airlines
07 Dec - 14 Dec Spirit Airlines
12 Dec - 11 Jan Frontier Airlines
13 Dec - 09 Jan Spirit Airlines
14 Dec - 10 Jan Frontier Airlines
16 Dec - 10 Jan Frontier Airlines
05 Dec - 27 Dec Frontier Airlines
07 Dec - 14 Dec Air France direct
03 Dec - 27 Dec Frontier Airlines
30 Dec - 08 Jan Frontier Airlines
15 Dec - 09 Jan Frontier Airlines
09 Dec - 29 Dec Spirit Airlines
11 Dec - 18 Dec Delta direct
12 Dec - 28 Dec Frontier Airlines
17 Dec - 11 Jan Frontier Airlines
21 Dec - 13 Jan Frontier Airlines
22 Dec - 08 Jan Frontier Airlines

Also check the deals for one-way flights from Atlanta to Madrid in December.

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