Cheapest return flights from Frankfurt to Ulaanbaatar in September from $735

Best time to book flights for Frankfurt (FRA) to Ulaanbaatar (UBN) flights at AirHint

AirHint found the following cheapest return flights from Frankfurt (FRA) to Ulaanbaatar (UBN) in September 2025 (see full year).

Return flights

28 Sep - 08 Oct MIAT Mongolian Airlines direct
18 Sep - 21 Sep MIAT Mongolian Airlines direct
17 Sep - 21 Sep MIAT Mongolian Airlines direct
24 Sep - 07 Oct Turkish Airlines
19 Sep - 21 Sep MIAT Mongolian Airlines direct
01 Sep - 14 Sep Ryanair
05 Sep - 15 Sep MIAT Mongolian Airlines direct
06 Sep - 15 Sep Air China
20 Sep - 03 Oct Air China
03 Sep - 22 Sep Turkish Airlines
29 Sep - 11 Oct MIAT Mongolian Airlines
20 Sep - 01 Oct Air China
06 Sep - 15 Sep MIAT Mongolian Airlines direct

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

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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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