AirHint found the following cheapest return flights from Belgrade (BEG) to Istanbul (IST) in October 2025 (see full year).

Return flights

08 Oct - 10 Oct	Wizz Air UK
14 Oct - 17 Oct	Wizz Air UK
01 Oct - 07 Oct	Wizz Air UK
10 Oct - 19 Oct	Wizz Air UK
06 Oct - 09 Oct	Wizz Air UK
13 Oct - 16 Oct	Wizz Air UK
21 Oct - 25 Oct	Wizz Air UK
10 Oct - 16 Oct	AJet
03 Oct - 06 Oct	Wizz Air UK
03 Oct - 05 Oct	Wizz Air UK
31 Oct - 02 Nov	AJet	direct
30 Oct - 02 Nov	Air Serbia	direct
25 Oct - 01 Nov	Air Serbia
26 Oct - 01 Nov	Air Serbia	direct
31 Oct - 03 Nov	AJet
25 Oct - 01 Nov	Turkish Airlines	direct
31 Oct - 03 Nov	Pegasus Airlines	direct

Also check the deals for one-way flights from Belgrade to Istanbul 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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Cheapest return flights from Belgrade to Istanbul in October from 118€

Return flights