Cheapest return IST–UBN flights, September

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

Return flights

15 Sep - 22 Sep MIAT Mongolian Airlines direct
08 Sep - 13 Sep MIAT Mongolian Airlines direct
01 Sep - 12 Sep MIAT Mongolian Airlines direct
24 Sep - 01 Oct MIAT Mongolian Airlines direct
25 Sep - 01 Oct MIAT Mongolian Airlines direct
12 Sep - 19 Sep MIAT Mongolian Airlines direct
26 Sep - 01 Oct MIAT Mongolian Airlines direct
25 Sep - 10 Oct Turkish Airlines direct
05 Sep - 15 Sep MIAT Mongolian Airlines direct
27 Sep - 01 Oct MIAT Mongolian Airlines direct
27 Sep - 03 Oct Turkish Airlines direct
24 Sep - 02 Oct MIAT Mongolian Airlines
07 Sep - 14 Sep Air China
27 Sep - 02 Oct MIAT Mongolian Airlines

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

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