Cheapest one-way flights from Bangkok to Ulaanbaatar in September from $250

AirHint found the following cheapest one-way flights from Bangkok (DMK) to Ulaanbaatar (UBN) in September 2025 (see full year).

One-Way flights

10 Sep Thai AirAsia
04 Sep Thai AirAsia

Also check the deals for return flights from Bangkok to Ulaanbaatar in September.

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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