AirHint found the following cheapest return flights from Minneapolis (MSP) to Monrovia (ROB) in December 2025 (see full year).
Return flights
| 11 Dec - 31 Dec | Aer Lingus | ||
| 12 Dec - 17 Jan | Aer Lingus | ||
| 10 Dec - 02 Jan | Aer Lingus | ||
| 15 Dec - 05 Jan | Frontier Airlines |
Also check the deals for one-way flights from Minneapolis to Monrovia in December.
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