Cheapest return flights from Osaka to Seoul in September from 100€

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

04 Sep - 11 Sep Peach direct
01 Sep - 21 Sep Peach direct
11 Sep - 22 Sep Peach direct
11 Sep - 14 Sep Peach direct
09 Sep - 10 Sep Eastar Jet direct
10 Sep - 16 Sep Jeju Air direct
10 Sep - 17 Sep Jeju Air direct
10 Sep - 14 Sep Jeju Air direct
05 Sep - 10 Sep Eastar Jet direct
06 Sep - 09 Sep Eastar Jet direct
26 Sep - 10 Oct Peach
26 Sep - 10 Oct Peach direct
25 Sep - 14 Oct Eastar Jet direct
25 Sep - 15 Oct Eastar Jet direct
24 Sep - 14 Oct Eastar Jet direct
20 Sep - 09 Oct Eastar Jet direct
25 Sep - 09 Oct Eastar Jet direct
24 Sep - 15 Oct Eastar Jet direct
24 Sep - 09 Oct Eastar Jet direct
19 Sep - 09 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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