AirHint found the following cheapest return flights from Zagreb (ZAG) to Mostar (OMO) in October 2025 (see full year).

Return flights

12 Oct - 15 Oct	Croatia Airlines	direct
19 Oct - 07 Nov	Croatia Airlines	direct
15 Oct - 22 Oct	Croatia Airlines	direct
16 Oct - 20 Oct	Croatia Airlines	direct
02 Oct - 08 Oct	Croatia Airlines	direct
03 Oct - 10 Oct	Ryanair
10 Oct - 17 Oct	Air Serbia
09 Oct - 12 Oct	Croatia Airlines
08 Oct - 12 Oct	Croatia Airlines
13 Oct - 20 Oct	KLM

Also check the deals for one-way flights from Zagreb to Mostar 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 Zagreb to Mostar in October from $142

Return flights