Cheapest return flights from Ulaanbaatar to Bangkok in December from 489€

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

Return flights

31 Dec - 19 Jan MIAT Mongolian Airlines
29 Dec - 19 Jan Air China
27 Dec - 31 Dec Aero Mongolia
27 Dec - 07 Jan Aero Mongolia
10 Dec - 17 Dec Korean Air
29 Dec - 02 Jan Air China
31 Dec - 07 Jan Korean Air

Also check the deals for one-way flights from Ulaanbaatar to Bangkok in December.

Skyscanner

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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