Cheapest return flights from Seoul to Osaka in September from 73€

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

Return flights

09 Sep - 10 Sep Air Busan direct
02 Sep - 04 Sep Air Busan direct
06 Sep - 21 Sep Air Seoul, Inc direct
02 Sep - 09 Sep Air Busan direct
09 Sep - 16 Sep Air Busan direct
02 Sep - 08 Sep Air Busan direct
06 Sep - 10 Sep Air Busan direct
18 Sep - 23 Sep Air Busan direct
17 Sep - 23 Sep Air Busan direct
03 Sep - 10 Sep Air Busan direct
29 Sep - 01 Oct Air Busan direct
03 Sep - 30 Oct Aero K Airlines direct
19 Sep - 02 Oct Jin Air direct
13 Sep - 02 Oct Jin Air direct
20 Sep - 02 Oct Jin Air direct
29 Sep - 03 Oct Air Busan direct
11 Sep - 02 Oct Eastar Jet direct
16 Sep - 02 Oct Eastar Jet direct
25 Sep - 02 Oct Jin Air direct
24 Sep - 02 Oct Jin Air direct

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

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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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