AirHint found the following cheapest return flights from Mumbai (BOM) to Ulaanbaatar (UBN) in December 2025 (see full year).
Return flights
| 26 Dec - 01 Jan | Turkish Airlines | ||
| 05 Dec - 10 Dec | Cathay Pacific | ||
| 04 Dec - 10 Dec | Cathay Pacific | ||
| 25 Dec - 31 Dec | Cathay Pacific | ||
| 05 Dec - 13 Dec | Cathay Pacific | ||
| 11 Dec - 18 Dec | Cathay Pacific |
Also check the deals for one-way flights from Mumbai to Ulaanbaatar in December.
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