Cheapest return flights from Bangkok to Ulaanbaatar in April from $417

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

19 Apr - 28 Apr Air Busan
13 Apr - 18 Apr Jeju Air
10 Apr - 17 Apr Thai VietJet Air
08 Apr - 15 Apr Thai AirAsia
08 Apr - 14 Apr MIAT Mongolian Airlines
09 Apr - 16 Apr Thai VietJet Air
05 Apr - 10 Apr Air China
11 Apr - 18 Apr Air China
10 Apr - 26 Apr Korean Air
26 Apr - 03 May Korean Air
11 Apr - 15 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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