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

Return flights

18 Aug - 11 Sep	Ryanair
27 Aug - 05 Sep	Ryanair
20 Aug - 08 Sep	Turkish Airlines
28 Aug - 07 Sep	Turkish Airlines
27 Aug - 06 Sep	Ryanair
16 Aug - 08 Sep	Lufthansa
24 Aug - 21 Sep	Turkish Airlines
22 Aug - 02 Sep	Ryanair
11 Aug - 08 Sep	Air Serbia
25 Aug - 01 Sep	Ryanair
23 Aug - 31 Aug	Turkish Airlines
21 Aug - 27 Aug	Turkish Airlines
20 Aug - 30 Aug	Turkish Airlines
11 Aug - 31 Aug	Ryanair
15 Aug - 30 Aug	Ryanair
16 Aug - 29 Aug	Lufthansa
09 Aug - 26 Aug	Air Serbia
11 Aug - 18 Aug	Ryanair
11 Aug - 21 Aug	Ryanair
09 Aug - 31 Aug	Air Serbia

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

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.

Book a cheap hotel in Ulaanbaatar

Cheap car rent in Ulaanbaatar

Cheapest return flights from Frankfurt to Ulaanbaatar in August from $711

Return flights