AirHint found the following cheapest return flights from Beijing (PEK) to Ulaanbaatar (UBN) in April 2026 (see full year).
Return flights
| 09 Apr - 17 Apr | MIAT Mongolian Airlines | direct | |
| 19 Apr - 02 May | MIAT Mongolian Airlines | direct | |
| 08 Apr - 14 Apr | MIAT Mongolian Airlines | direct | |
| 13 Apr - 22 Apr | Air China | direct |
Also check the deals for one-way flights from Beijing to Ulaanbaatar in April.
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