Cheapest return flights from San Antonio to Madrid in December from $429

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

Return flights

03 Dec - 10 Dec KLM
04 Dec - 07 Dec KLM
27 Dec - 17 Jan Air France
09 Dec - 16 Dec Iberia
07 Dec - 14 Dec Iberia
05 Dec - 12 Dec Iberia
12 Dec - 16 Dec British Airways
15 Dec - 22 Dec Iberia
18 Dec - 30 Dec Spirit Airlines
19 Dec - 30 Dec Frontier Airlines
13 Dec - 03 Jan Spirit Airlines
20 Dec - 30 Dec Frontier Airlines
14 Dec - 03 Jan Spirit Airlines
26 Dec - 03 Jan Spirit Airlines
27 Dec - 03 Jan Iberia
31 Dec - 07 Jan Iberia
29 Dec - 05 Jan Iberia
25 Dec - 01 Jan Iberia

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

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