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

Return flights

02 Oct - 05 Nov	Air China
21 Oct - 27 Oct	Lufthansa
01 Oct - 14 Oct	Ryanair
07 Oct - 04 Nov	Ryanair
13 Oct - 17 Oct	Air China
01 Oct - 04 Nov	Ryanair
17 Oct - 24 Oct	Air China
04 Oct - 04 Nov	Air China
05 Oct - 04 Nov	Air China
02 Oct - 04 Nov	Ryanair
06 Oct - 04 Nov	Air Serbia
07 Oct - 03 Nov	Ryanair
08 Oct - 05 Nov	Turkish Airlines
08 Oct - 06 Nov	Turkish Airlines
17 Oct - 27 Oct	SunExpress

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

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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Cheapest return flights from Stockholm to Ulaanbaatar in October from $603

Return flights