AirHint found the following cheapest return flights from Osaka (ITM) to Busan (PUS) in September 2025 (see full year).

Return flights

01 Sep - 03 Sep	Ibex Airlines
06 Sep - 09 Sep	ANA
16 Sep - 18 Sep	Ibex Airlines
06 Sep - 07 Sep	ANA
04 Sep - 11 Sep	ANA
18 Sep - 22 Sep	Ibex Airlines
18 Sep - 25 Sep	Ibex Airlines
02 Sep - 03 Sep	ANA
09 Sep - 12 Sep	Ibex Airlines
28 Sep - 05 Oct	ANA
12 Sep - 19 Sep	Japan Airlines
29 Sep - 01 Oct	Japan Airlines
30 Sep - 01 Oct	Japan Airlines

Also check the deals for one-way flights from Osaka to Busan 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 Busan

Cheap car rent in Busan

Cheapest return flights from Osaka to Busan in September from 253€

Return flights