Cheapest return flights from Osaka to Seoul in May from $147

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

Return flights

21 May - 27 May Jeju Air direct
19 May - 27 May Jeju Air direct
21 May - 26 May Jeju Air direct
20 May - 26 May Jeju Air direct
28 May - 08 Jun Jeju Air direct
28 May - 15 Jun Jeju Air direct
13 May - 27 May Jeju Air direct
28 May - 16 Jun Jeju Air direct
28 May - 09 Jun Jeju Air direct
28 May - 10 Jun Jeju Air direct
28 May - 14 Jun Jeju Air direct
22 May - 27 May Jeju Air direct
23 May - 10 Jun Jeju Air direct
11 May - 12 May Jeju Air direct
11 May - 27 May Jeju Air direct
12 May - 27 May Jeju Air direct
14 May - 27 May Jeju Air direct
28 May - 07 Jun Jeju Air direct
30 May - 10 Jun Jeju Air direct
30 May - 14 Jun Jeju Air direct

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