Cheapest return HKG–UBN flights, May

AirHint found the following cheapest return flights from Hong Kong (HKG) to Ulaanbaatar (UBN) in May 2026 (see full year).

Return flights

27 May - 03 Jun Air China
02 May - 06 May Air China
28 May - 09 Jun T'way Air
28 May - 02 Jun Air China
11 May - 18 May Air China
12 May - 19 May Air China
19 May - 26 May Air China
21 May - 28 May Air China
24 May - 31 May Air China
10 May - 17 May Air China
20 May - 24 May Air China
25 May - 01 Jun Air China
28 May - 04 Jun Air China
23 May - 25 May Air China
23 May - 26 May Air China
29 May - 05 Jun Air China
24 May - 03 Jun MIAT Mongolian Airlines direct
27 May - 02 Jun HK Express
26 May - 02 Jun HK Express
26 May - 01 Jun MIAT Mongolian Airlines direct

Also check the deals for one-way flights from Hong Kong to Ulaanbaatar in May.

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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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