AirHint found the following cheapest return flights from Osaka (KIX) to Frankfurt (FRA) in September 2025 (see full year).

Return flights

02 Sep - 09 Sep	Peach
04 Sep - 17 Sep	Peach
03 Sep - 17 Sep	Peach
09 Sep - 18 Sep	Peach
09 Sep - 15 Sep	Peach
15 Sep - 28 Sep	Peach
08 Sep - 15 Sep	Peach
16 Sep - 19 Sep	Air China
08 Sep - 17 Sep	T'way Air
09 Sep - 16 Sep	T'way Air
16 Sep - 13 Oct	Air China
24 Sep - 08 Oct	Singapore Airlines
22 Sep - 07 Oct	Singapore Airlines
28 Sep - 05 Oct	Singapore Airlines
22 Sep - 09 Oct	Singapore Airlines

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

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 Frankfurt in September from 606€

Return flights