Cheapest return flights from Bangkok to Ulaanbaatar in May from $553

AirHint found the following cheapest return flights from Bangkok (BKK) to Ulaanbaatar (UBN) in May 2026 (see full year).

Return flights

01 May - 26 May China Southern
21 May - 26 May Jeju Air
12 May - 13 May Air China
01 May - 10 May Air China
01 May - 05 May Air China

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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