Cheapest return flights from Seoul to Osaka in May from 137€

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

Return flights

27 May - 02 Jun Peach direct
12 May - 19 May Peach direct
04 May - 07 May Jeju Air direct
27 May - 29 May Peach direct
13 May - 20 May Peach direct
04 May - 08 May Jeju Air direct
03 May - 08 May Jeju Air direct
19 May - 22 May Jeju Air direct
20 May - 22 May Jeju Air direct
30 May - 11 Jun Jeju Air direct
03 May - 07 May Jeju Air direct
18 May - 21 May Jeju Air direct
27 May - 17 Jun Jeju Air direct
27 May - 24 Jun Jeju Air direct
27 May - 11 Jun Jeju Air direct
31 May - 17 Jun Jeju Air direct
31 May - 11 Jun Jeju Air direct
25 May - 16 Jun Jeju Air direct
25 May - 02 Jun Jeju Air direct
28 May - 02 Jun Jeju Air direct

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

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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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