Cheapest return flights from Bangkok to Ulaanbaatar in May from $453

Best time to book flights for Bangkok (BKK) to Ulaanbaatar (UBN) flights at AirHint

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

Return flights

14 May - 21 May VietJet Air
06 May - 09 May HK Express
22 May - 26 May Jeju Air
01 May - 08 May Jeju Air
01 May - 04 May Jeju Air
10 May - 17 May Cathay Pacific
09 May - 14 May Air China
09 May - 13 May Air China
30 May - 03 Jun Air China
19 May - 21 May Cathay Pacific
02 May - 23 May Korean Air

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

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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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