Cheapest return flights from Osaka to Seoul in September from $91

Best time to book flights for Osaka (KIX) to Seoul (ICN) flights at AirHint

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

Return flights

14 Sep - 18 Sep Eastar Jet direct
23 Sep - 30 Sep Eastar Jet direct
03 Sep - 10 Sep Eastar Jet direct
09 Sep - 10 Sep Eastar Jet direct
06 Sep - 09 Sep Eastar Jet direct
06 Sep - 10 Sep Eastar Jet direct
09 Sep - 14 Sep Eastar Jet direct
09 Sep - 24 Sep Eastar Jet direct
09 Sep - 16 Sep Eastar Jet direct
10 Sep - 14 Sep Eastar Jet direct
30 Sep - 30 Oct Eastar Jet direct
25 Sep - 15 Oct Eastar Jet direct
24 Sep - 15 Oct Eastar Jet direct
30 Sep - 15 Oct Korean Air direct
30 Sep - 16 Oct Korean Air direct
25 Sep - 14 Oct Eastar Jet direct
25 Sep - 13 Oct Eastar Jet direct
24 Sep - 14 Oct Eastar Jet direct
24 Sep - 13 Oct Eastar Jet direct
23 Sep - 13 Oct Eastar Jet direct

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