Cheapest return IST–KIX flights, September

AirHint found the following cheapest return flights from Istanbul (IST) to Osaka (KIX) in September 2026 (see full year).

Return flights

08 Sep - 16 Sep Asiana Airlines
12 Sep - 23 Sep Asiana Airlines
02 Sep - 07 Sep Asiana Airlines
02 Sep - 16 Sep Asiana Airlines
29 Sep - 06 Oct Asiana Airlines
16 Sep - 24 Sep Asiana Airlines
08 Sep - 17 Sep Asiana Airlines
02 Sep - 05 Sep Asiana Airlines
01 Sep - 16 Sep Asiana Airlines
03 Sep - 12 Sep Asiana Airlines
10 Sep - 15 Sep Asiana Airlines
16 Sep - 06 Oct Asiana Airlines
01 Sep - 15 Oct Air China
30 Sep - 06 Oct Asiana Airlines
24 Sep - 06 Oct Asiana Airlines
29 Sep - 12 Oct MIAT Mongolian Airlines
13 Sep - 06 Oct Korean Air
15 Sep - 02 Oct MIAT Mongolian Airlines
21 Sep - 11 Oct China Southern
25 Sep - 04 Oct AirAsia X

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

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