Cheapest return flights from Ulaanbaatar to Bangkok in December from 506€

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

Return flights

07 Dec - 14 Dec Asiana Airlines
03 Dec - 10 Jan Korean Air
27 Dec - 07 Jan Air China
21 Dec - 04 Jan Korean Air
22 Dec - 10 Jan Korean Air
10 Dec - 15 Dec Cathay Pacific
24 Dec - 07 Jan Korean Air
22 Dec - 05 Jan Korean Air
22 Dec - 03 Jan Korean Air
24 Dec - 10 Jan Korean Air
31 Dec - 19 Jan Air China
29 Dec - 03 Jan Korean Air

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

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