Cheapest one-way flights from Ulaanbaatar to Hanoi in February from $401

AirHint found the following cheapest one-way flights from Ulaanbaatar (UBN) to Hanoi (HAN) in February 2026 (see full year).

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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.