AirHint found the following cheapest return flights from Bangkok (BKK) to Ulaanbaatar (UBN) in March 2026 (see full year).
Return flights
| 04 Mar - 14 Mar | MIAT Mongolian Airlines | direct | |
| 02 Mar - 07 Mar | China Southern | ||
| 04 Mar - 11 Mar | Cathay Pacific | ||
| 04 Mar - 07 Mar | Cathay Pacific | ||
| 07 Mar - 11 Mar | Cathay Pacific | ||
| 01 Mar - 14 Mar | Air China |
Also check the deals for one-way flights from Bangkok to Ulaanbaatar in March.
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