Cheapest return DMK–UBN flights, May

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

Return flights

03 May - 10 May Thai Lion Air
24 May - 31 May Thai Lion Air
06 May - 13 May Thai AirAsia
21 May - 28 May Thai AirAsia
07 May - 14 May Thai Lion Air
14 May - 21 May Thai Lion Air
08 May - 15 May Thai Lion Air
05 May - 12 May Nok Air
10 May - 17 May Thai Lion Air
25 May - 01 Jun Thai AirAsia
28 May - 04 Jun Thai AirAsia
20 May - 27 May Thai Lion Air
31 May - 07 Jun Thai AirAsia
27 May - 03 Jun Thai Lion Air
26 May - 02 Jun Thai AirAsia
30 May - 06 Jun Thai AirAsia

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

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