AirHint found the following cheapest return flights from Bangkok (BKK) to Ulaanbaatar (UBN) in April 2026 (see full year).
Return flights
| 30 Apr - 04 May | T'way Air | ||
| 10 Apr - 15 Apr | AirAsia | ||
| 13 Apr - 19 Apr | Air China | ||
| 15 Apr - 22 Apr | Air China | ||
| 11 Apr - 17 Apr | Air China |
Also check the deals for one-way flights from Bangkok to Ulaanbaatar in April.
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