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

Return flights

06 Oct - 08 Oct	Wizz Air Malta
01 Oct - 08 Oct	Wizz Air
08 Oct - 15 Oct	Wizz Air
01 Oct - 14 Oct	Wizz Air
20 Oct - 23 Oct	Wizz Air Malta
09 Oct - 23 Oct	Wizz Air Malta
04 Oct - 08 Oct	Wizz Air Malta
07 Oct - 11 Oct	Wizz Air Malta
08 Oct - 22 Oct	Wizz Air
09 Oct - 14 Oct	Wizz Air Malta
30 Oct - 02 Nov	Ryanair
31 Oct - 03 Nov	Wizz Air Malta
25 Oct - 03 Nov	Wizz Air Malta
27 Oct - 03 Nov	Wizz Air Malta
30 Oct - 03 Nov	Wizz Air Malta
18 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 126€

Return flights