AirHint found the following cheapest return flights from Hanoi (HAN) to Ulaanbaatar (UBN) in July 2025 (see full year).

Return flights

08 Jul - 15 Jul	HK Express
09 Jul - 13 Jul	Shenzhen Airlines
10 Jul - 17 Jul	Air China
10 Jul - 22 Jul	Air China
10 Jul - 21 Jul	Air China
17 Jul - 24 Jul	Air China
11 Jul - 20 Jul	Air China
10 Jul - 20 Jul	Air China
09 Jul - 20 Jul	Air China

Also check the deals for one-way flights from Hanoi to Ulaanbaatar in July.

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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Cheapest return flights from Hanoi to Ulaanbaatar in July from 499€

Return flights