AirHint found the following cheapest one-way flights from San Antonio (SAT) to Madrid (MAD) in March 2026 (see full year).
One-Way flights
| 27 Mar | Frontier Airlines | ||
| 18 Mar | Frontier Airlines | ||
| 01 Mar | Air France | ||
| 24 Mar | Air France | ||
| 19 Mar | Air France |
Also check the deals for return flights from San Antonio to Madrid in March.
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