Cheapest return IST–UBN flights, May

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

Return flights

28 May - 02 Jun Turkish Airlines direct
03 May - 10 May Turkish Airlines direct
03 May - 14 May Turkish Airlines direct
31 May - 20 Jun Turkish Airlines direct
30 May - 18 Jun MIAT Mongolian Airlines direct
29 May - 18 Jun MIAT Mongolian Airlines direct
26 May - 07 Jun MIAT Mongolian Airlines direct
10 May - 12 May MIAT Mongolian Airlines direct
05 May - 30 May Turkish Airlines direct
06 May - 30 May Turkish Airlines direct
17 May - 23 May Air China
10 May - 14 May MIAT Mongolian Airlines direct
30 May - 20 Jun Turkish Airlines direct
04 May - 07 May Pegasus Airlines
20 May - 24 May Air Astana
08 May - 12 May Turkmenistan Airlines
29 May - 19 Jun Turkish Airlines
30 May - 19 Jun Turkish Airlines

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

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