Cheapest one-way flights from Bangkok to Ulaanbaatar in December from 187€

AirHint found the following cheapest one-way flights from Bangkok (BKK) to Ulaanbaatar (UBN) in December 2025 (see full year).

One-Way flights

11 Dec Vietnam Airlines
17 Dec Thai VietJet Air
18 Dec Thai VietJet Air
10 Dec Thai VietJet Air
06 Dec VietJet Air
10 Dec MIAT Mongolian Airlines direct
05 Dec VietJet Air
20 Dec MIAT Mongolian Airlines direct
23 Dec Jeju Air
21 Dec Jeju Air

Also check the deals for return flights from Bangkok to Ulaanbaatar in December.

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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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