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

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

Return flights

15 Apr - 21 Apr Peach direct
23 Apr - 28 Apr Jeju Air direct
21 Apr - 28 Apr Jeju Air direct
22 Apr - 28 Apr Jeju Air direct
22 Apr - 12 May Jeju Air direct
16 Apr - 20 Apr Jeju Air direct
21 Apr - 12 May Jeju Air direct
21 Apr - 26 Apr Jeju Air direct
22 Apr - 26 Apr Jeju Air direct
23 Apr - 26 Apr Jeju Air direct
01 Apr - 07 Apr Jeju Air direct
22 Apr - 29 Apr Jeju Air direct
21 Apr - 15 May Jeju Air direct
28 Apr - 07 May Jeju Air direct
27 Apr - 07 May Jeju Air direct
28 Apr - 27 May Jeju Air
29 Apr - 27 May Jeju Air direct
29 Apr - 11 May Jeju Air direct
29 Apr - 12 May Jeju Air direct
29 Apr - 13 May Jeju Air direct

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

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