Cheapest return flights from Bangkok to Ulaanbaatar in October from $539

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 October 2025 (see full year).

Return flights

01 Oct - 10 Oct Air China

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

Skyscanner

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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