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

Return flights

21 Oct - 27 Oct	ANA
28 Oct - 03 Nov	ANA
22 Oct - 30 Oct	ANA
28 Oct - 01 Nov	ANA
16 Oct - 22 Oct	Turkish Airlines
23 Oct - 05 Nov	Turkish Airlines
21 Oct - 30 Nov	Air France
01 Oct - 08 Oct	Turkish Airlines
16 Oct - 24 Oct	Turkish Airlines
01 Oct - 06 Oct	Turkish Airlines
07 Oct - 14 Oct	Japan Airlines
17 Oct - 20 Oct	Turkish Airlines
17 Oct - 24 Oct	Turkish Airlines
29 Oct - 02 Nov	Turkish Airlines
28 Oct - 02 Nov	Turkish Airlines
25 Oct - 02 Nov	Turkish Airlines
30 Oct - 05 Nov	Japan Airlines
01 Oct - 10 Oct	Turkish Airlines
30 Oct - 06 Nov	Japan Airlines
30 Oct - 03 Nov	Japan Airlines

Also check the deals for one-way flights from Osaka 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 Osaka to Istanbul in October from $1265

Return flights