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

Return flights

03 Dec - 11 Dec	China Southern
03 Dec - 09 Dec	China Southern
22 Dec - 07 Jan	China Eastern
03 Dec - 07 Jan	China Southern
22 Dec - 05 Jan	China Eastern
23 Dec - 14 Jan	China Eastern
21 Dec - 06 Jan	China Eastern
21 Dec - 31 Dec	China Eastern
24 Dec - 10 Jan	Air Busan
19 Dec - 13 Jan	Jeju Air
30 Dec - 11 Jan	China Eastern
03 Dec - 05 Dec	Air China
04 Dec - 11 Dec	Air China
03 Dec - 08 Dec	Air China
03 Dec - 07 Dec	Air China
11 Dec - 15 Dec	Air China
03 Dec - 10 Dec	Air China
10 Dec - 15 Dec	Air China
19 Dec - 07 Jan	Peach
18 Dec - 04 Jan	Air Busan

Also check the deals for one-way flights from Osaka to Frankfurt 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 Frankfurt in December from 426€

Return flights