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

Return flights

15 Jul - 20 Jul	Hunnu Air
11 Jul - 15 Jul	T'way Air
30 Jul - 06 Aug	Hunnu Air
07 Jul - 13 Jul	Jeju Air
04 Jul - 10 Jul	Jeju Air
11 Jul - 18 Jul	Air China
03 Jul - 09 Jul	Air China
03 Jul - 10 Jul	Air China
10 Jul - 19 Jul	Jeju Air
14 Jul - 19 Jul	Jeju Air
13 Jul - 19 Jul	Jeju Air

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

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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Cheapest return flights from Ulaanbaatar to Bangkok in July from $496

Return flights