AirHint found the following cheapest return flights from Grand Rapids (GRR) to Madrid (MAD) in March 2026 (see full year).
Return flights
| 09 Mar - 19 Mar | Virgin Atlantic | ||
| 10 Mar - 16 Mar | Lufthansa | ||
| 20 Mar - 22 Mar | Allegiant Air | ||
| 09 Mar - 14 Mar | Allegiant Air |
Also check the deals for one-way flights from Grand Rapids to Madrid in March.
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