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

Return flights

11 Oct - 14 Oct	easyJet
09 Oct - 12 Oct	easyJet
08 Oct - 12 Oct	Austrian Airlines
23 Oct - 27 Oct	Austrian Airlines
20 Oct - 26 Oct	Austrian Airlines
25 Oct - 28 Oct	Austrian Airlines
01 Oct - 04 Oct	transavia
31 Oct - 03 Nov	easyJet
30 Oct - 02 Nov	Austrian Airlines
24 Oct - 31 Oct	Austrian Airlines

Also check the deals for one-way flights from Innsbruck 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 Innsbruck to Istanbul in October from 271€

Return flights