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	Sun Country Airlines
21 Dec - 31 Dec	Sun Country Airlines
22 Dec - 04 Jan	Sun Country Airlines
16 Dec - 07 Jan	Aer Lingus
19 Dec - 04 Jan	Sun Country Airlines
21 Dec - 04 Jan	Sun Country Airlines
17 Dec - 30 Dec	Sun Country Airlines
12 Dec - 17 Jan	Spirit Airlines
20 Dec - 03 Jan	Brussels Airlines
18 Dec - 03 Jan	Brussels Airlines

Also check the deals for one-way flights from Minneapolis to Monrovia in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Minneapolis to Monrovia in December from $2041

Return flights