Cheapest one-way flights from Seoul to Osaka in May from $64

AirHint found the following cheapest one-way flights from Seoul (ICN) to Osaka (KIX) in May 2026 (see full year).

One-Way flights

31 May Peach direct
28 May Jeju Air direct
19 May Jeju Air direct
14 May Jeju Air direct
07 May Jeju Air direct
12 May Jeju Air direct
21 May Jeju Air direct
18 May Jeju Air direct
16 May T'way Air direct
06 May Jeju Air direct

Also check the deals for return 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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