Cheapest return flights from Seoul to Osaka in May from 121€

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

Return flights

11 May - 14 May Peach direct
08 May - 13 May Asiana Airlines direct
10 May - 13 May Asiana Airlines direct
09 May - 13 May Asiana Airlines direct
08 May - 12 May Asiana Airlines direct
09 May - 12 May Asiana Airlines direct
18 May - 23 May Peach direct
28 May - 06 Jun Peach direct
15 May - 18 May Peach direct
27 May - 29 May Asiana Airlines direct
27 May - 01 Jun Asiana Airlines direct
19 May - 22 May Jeju Air direct
29 May - 04 Jun Asiana Airlines direct
25 May - 01 Jun Asiana Airlines direct
28 May - 01 Jun Asiana Airlines direct
29 May - 02 Jun Asiana Airlines direct
28 May - 02 Jun Asiana Airlines direct
30 May - 06 Jun Peach direct
27 May - 06 Jun Jeju Air direct
17 May - 06 Jun Jeju Air direct

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

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