Cheapest return flights from Osaka to Seoul in April from $124

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

Return flights

22 Apr - 29 Apr Peach direct
23 Apr - 30 Apr Jeju Air direct
23 Apr - 28 Apr Jeju Air direct
16 Apr - 22 Apr Jeju Air direct
08 Apr - 14 Apr Jeju Air direct
15 Apr - 21 Apr Jeju Air direct
23 Apr - 29 Apr Jeju Air direct
22 Apr - 12 May Jeju Air direct
22 Apr - 26 Apr Jeju Air direct
24 Apr - 28 Apr Jin Air direct
02 Apr - 15 Apr Jeju Air direct
28 Apr - 07 May Jeju Air direct
28 Apr - 10 May Jin Air direct
13 Apr - 08 May Aero K Airlines direct
22 Apr - 07 May Jeju Air direct
28 Apr - 09 May Jeju Air direct
21 Apr - 07 May Jeju Air direct
19 Apr - 07 May Jeju Air direct
28 Apr - 13 May Eastar Jet direct
20 Apr - 07 May Jeju Air direct

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

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