AirHint found the following cheapest one-way flights from Bangkok (BKK) to Ulaanbaatar (UBN) in May 2026 (see full year).
One-Way flights
| 15 May | Thai VietJet Air | ||
| 14 May | VietJet Air | ||
| 12 May | Thai AirAsia | ||
| 13 May | China Eastern | ||
| 01 May | China Southern | ||
| 03 May | Jeju Air | ||
| 04 May | Air China | ||
| 06 May | Air China |
Also check the deals for return 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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