Cheapest return flights from Atlanta to Madrid in December from 391€

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

Return flights

03 Dec - 10 Dec Spirit Airlines
10 Dec - 14 Dec Spirit Airlines
11 Dec - 15 Dec Spirit Airlines
09 Dec - 10 Jan Frontier Airlines
07 Dec - 10 Jan Frontier Airlines
07 Dec - 09 Jan Frontier Airlines
05 Dec - 09 Jan Frontier Airlines
07 Dec - 12 Dec Frontier Airlines
03 Dec - 10 Dec Air France direct
14 Dec - 10 Jan Frontier Airlines
15 Dec - 10 Jan Spirit Airlines
16 Dec - 10 Jan Spirit Airlines
29 Dec - 17 Jan Brussels Airlines
29 Dec - 17 Jan KLM direct
10 Dec - 14 Dec Air France direct
05 Dec - 10 Dec Air France direct
06 Dec - 09 Jan Spirit Airlines
03 Dec - 27 Dec Frontier Airlines
11 Dec - 15 Dec KLM direct
14 Dec - 23 Dec Frontier Airlines

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

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