Cheapest return flights from Sydney to Ulaanbaatar in October from $848

AirHint found the following cheapest return flights from Sydney (SYD) to Ulaanbaatar (UBN) in October 2025 (see full year).

Return flights

14 Oct - 31 Oct Air China
09 Oct - 24 Oct Air China
15 Oct - 21 Oct Cathay Pacific
03 Oct - 12 Oct Cathay Pacific
03 Oct - 07 Oct Cathay Pacific
12 Oct - 06 Nov Turkish Airlines
09 Oct - 06 Nov Turkish Airlines

Also check the deals for one-way flights from Sydney to Ulaanbaatar in October.

Skyscanner

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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