AirHint found the following cheapest return flights from Washington (DCA) to Monrovia (ROB) in December 2025 (see full year).
Return flights
| 06 Dec - 16 Dec | Air Canada | ||
| 11 Dec - 21 Dec | jetBlue | ||
| 27 Dec - 11 Jan | Royal Air Maroc | ||
| 05 Dec - 16 Jan | Air Canada | ||
| 12 Dec - 04 Jan | Air Canada | ||
| 09 Dec - 19 Dec | Air Canada |
Also check the deals for one-way flights from Washington to Monrovia in December.
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