Cheapest return flights from Ulaanbaatar to Bangkok in May from $391

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

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

Return flights

13 May - 16 May Jeju Air
18 May - 25 May Jeju Air
19 May - 25 May Jeju Air
27 May - 31 May Jeju Air
01 May - 08 May Jeju Air
10 May - 18 May Air China
01 May - 07 May Jeju Air
23 May - 30 May Korean Air

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