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

Return flights

09 Oct - 17 Oct	Wizz Air Malta
21 Oct - 28 Oct	Wizz Air Malta
01 Oct - 09 Oct	Wizz Air
31 Oct - 05 Nov	Wizz Air Malta
15 Oct - 22 Oct	Wizz Air
15 Oct - 21 Oct	Wizz Air
08 Oct - 14 Oct	Wizz Air
18 Oct - 23 Oct	Wizz Air Malta
31 Oct - 03 Nov	Wizz Air Malta
31 Oct - 04 Nov	Wizz Air Malta
22 Oct - 23 Oct	Wizz Air Malta
07 Oct - 10 Oct	Wizz Air Malta
01 Oct - 06 Oct	Wizz Air
22 Oct - 02 Nov	Wizz Air Malta
29 Oct - 05 Nov	Ryanair
31 Oct - 02 Nov	Wizz Air Malta
30 Oct - 04 Nov	Wizz Air Malta
27 Oct - 08 Nov	Wizz Air Malta
30 Oct - 01 Nov	Wizz Air Malta
25 Oct - 01 Nov	Wizz Air Malta

Also check the deals for one-way flights from Treviso 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.

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Cheapest return flights from Treviso to Istanbul in October from 113€

Return flights