Cheapest return flights from Osaka to Seoul in September from $84

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

Return flights

30 Sep - 11 Oct Eastar Jet direct
30 Sep - 10 Oct Eastar Jet direct
27 Sep - 11 Oct Eastar Jet direct
27 Sep - 10 Oct Eastar Jet direct
26 Sep - 11 Oct Eastar Jet direct
26 Sep - 10 Oct Eastar Jet direct
29 Sep - 10 Oct Jeju Air direct
25 Sep - 11 Oct Eastar Jet direct
25 Sep - 10 Oct Eastar Jet direct
30 Sep - 12 Oct Eastar Jet direct
27 Sep - 29 Sep Eastar Jet direct
26 Sep - 29 Sep Eastar Jet direct
25 Sep - 29 Sep Eastar Jet direct
24 Sep - 29 Sep Eastar Jet direct
27 Sep - 30 Sep Eastar Jet direct
26 Sep - 30 Sep Eastar Jet direct
25 Sep - 30 Sep Eastar Jet direct
24 Sep - 30 Sep Eastar Jet direct
26 Sep - 27 Sep Eastar Jet direct
23 Sep - 30 Sep 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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