Cheapest one-way flights from Hanoi to Ulaanbaatar in December from $228

AirHint found the following cheapest one-way flights from Hanoi (HAN) to Ulaanbaatar (UBN) in December 2025 (see full year).

One-Way flights

16 Dec VietJet Air
19 Dec VietJet Air
30 Dec VietJet Air
16 Dec Aero Mongolia direct
28 Dec VietJet Air

Also check the deals for return flights from Hanoi to Ulaanbaatar in December.

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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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