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

Return flights

01 Sep - 08 Sep	China Eastern
01 Sep - 10 Sep	China Eastern
08 Sep - 21 Sep	China Eastern
03 Sep - 08 Sep	T'way Air
17 Sep - 21 Sep	T'way Air
17 Sep - 22 Sep	T'way Air
03 Sep - 25 Sep	T'way Air
17 Sep - 29 Sep	T'way Air
17 Sep - 25 Sep	T'way Air
09 Sep - 17 Sep	T'way Air
28 Sep - 06 Oct	Singapore Airlines
30 Sep - 08 Oct	Singapore Airlines
17 Sep - 01 Oct	Singapore Airlines
17 Sep - 03 Oct	Air China
08 Sep - 23 Oct	Air China
16 Sep - 25 Oct	Air China
30 Sep - 13 Oct	Air China

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.

Book a cheap hotel in Frankfurt

Cheap car rent in Frankfurt

Cheapest return flights from Osaka to Frankfurt in September from $671

Return flights