Cheapest return flights from Osaka to Seoul in September from $141

AirHint found the following cheapest return flights from Osaka (KIX) to Seoul (ICN) in September 2026 (see full year).

Return flights

16 Sep - 16 Sep Jeju Air direct
10 Sep - 15 Sep Jeju Air direct
01 Sep - 08 Sep Jeju Air direct
14 Sep - 16 Sep Jeju Air direct
02 Sep - 03 Sep Jeju Air direct
02 Sep - 09 Sep Jeju Air direct
02 Sep - 08 Sep Jeju Air direct
14 Sep - 15 Sep Jeju Air direct
15 Sep - 17 Sep Jeju Air direct
10 Sep - 14 Sep Jeju Air direct
30 Sep - 14 Oct Eastar Jet direct
30 Sep - 13 Oct Eastar Jet direct
30 Sep - 21 Oct Eastar Jet direct
30 Sep - 20 Oct Eastar Jet direct
29 Sep - 14 Oct Eastar Jet direct
30 Sep - 12 Oct Eastar Jet direct
30 Sep - 15 Oct Eastar Jet direct
29 Sep - 13 Oct Eastar Jet direct
30 Sep - 19 Oct Eastar Jet direct
29 Sep - 12 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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