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

Return flights

09 Dec - 21 Dec	Air China
04 Dec - 07 Dec	Air China
09 Dec - 12 Dec	Air China
06 Dec - 10 Dec	Air China
02 Dec - 07 Dec	Air China
11 Dec - 17 Dec	Air China
09 Dec - 19 Dec	Sichuan Airlines
23 Dec - 07 Jan	Air China
20 Dec - 11 Jan	China Eastern
25 Dec - 07 Jan	Air China
01 Dec - 04 Dec	China Southern
15 Dec - 20 Dec	China Southern
03 Dec - 06 Dec	China Southern
25 Dec - 06 Jan	China Southern
01 Dec - 07 Jan	China Southern
30 Dec - 06 Jan	China Southern
25 Dec - 01 Jan	China Southern
23 Dec - 10 Jan	China Southern
30 Dec - 05 Jan	Korean Air
25 Dec - 05 Jan	Korean Air

Also check the deals for one-way flights from Osaka to Istanbul in December.

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 December from $487

Return flights