Cheapest return flights from Bangkok to Ulaanbaatar in April from 431€

Best time to book flights for Bangkok (BKK) to Ulaanbaatar (UBN) flights at AirHint

AirHint found the following cheapest return flights from Bangkok (BKK) to Ulaanbaatar (UBN) in April 2025 (see full year).

Return flights

11 Apr - 17 Apr VietJet Air
10 Apr - 14 Apr Jeju Air
10 Apr - 17 Apr Jeju Air
26 Apr - 05 May T'way Air
09 Apr - 15 Apr Jeju Air
13 Apr - 18 Apr Jeju Air
10 Apr - 15 Apr Jeju Air
05 Apr - 14 Apr Jeju Air
26 Apr - 04 May HK Express
25 Apr - 04 May Hong Kong Airlines
30 Apr - 05 May HK Express
25 Apr - 05 May Shenzhen Airlines
28 Apr - 06 May Air China
12 Apr - 15 Apr Jeju Air
12 Apr - 18 Apr Jeju Air
01 Apr - 07 Apr Air China

Also check the deals for one-way flights from Bangkok to Ulaanbaatar in April.

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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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