Cheapest return flights from Osaka to Seoul in September from 128€

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

Return flights

02 Sep - 08 Sep Jeju Air direct
01 Sep - 03 Sep Jeju Air direct
08 Sep - 10 Sep Jeju Air direct
03 Sep - 08 Sep Jeju Air direct
17 Sep - 29 Sep Jeju Air direct
10 Sep - 14 Sep Jeju Air direct
17 Sep - 28 Sep Jeju Air direct
01 Sep - 05 Sep Jeju Air direct
03 Sep - 11 Sep Jeju Air direct
30 Sep - 05 Oct Jeju Air direct
03 Sep - 06 Sep Jeju Air direct
30 Sep - 14 Oct Eastar Jet direct
30 Sep - 13 Oct Eastar Jet direct
30 Sep - 20 Oct Eastar Jet direct
30 Sep - 21 Oct Eastar Jet direct
29 Sep - 14 Oct Eastar Jet direct
29 Sep - 13 Oct Eastar Jet direct
30 Sep - 12 Oct Eastar Jet direct
30 Sep - 19 Oct Eastar Jet direct
30 Sep - 15 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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