Cheapest return flights from Frankfurt to Ulaanbaatar in September from 565€

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

Return flights

05 Sep - 16 Sep MIAT Mongolian Airlines direct
10 Sep - 17 Sep Pegasus Airlines
07 Sep - 16 Sep MIAT Mongolian Airlines direct
04 Sep - 16 Sep Turkish Airlines
02 Sep - 16 Sep Turkish Airlines
05 Sep - 19 Sep Ryanair
12 Sep - 19 Sep Ryanair
22 Sep - 08 Oct Ryanair
03 Sep - 14 Sep Ryanair
28 Sep - 13 Oct Ryanair
28 Sep - 08 Oct Ryanair
29 Sep - 08 Oct Ryanair
03 Sep - 10 Sep Ryanair
03 Sep - 12 Sep Ryanair
26 Sep - 11 Oct MIAT Mongolian Airlines direct
17 Sep - 08 Oct MIAT Mongolian Airlines direct
29 Sep - 08 Oct MIAT Mongolian Airlines direct
27 Sep - 13 Oct Ryanair
28 Sep - 06 Oct Ryanair
29 Sep - 07 Oct MIAT Mongolian Airlines

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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