Cheapest one-way flights from Seoul to Osaka in May from $165

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

One-Way flights

28 May Korean Air direct
21 May Korean Air direct
10 May Korean Air direct
18 May Korean Air direct
01 May VietJet Air
04 May Korean Air direct
23 May Asiana Airlines direct
01 May Asiana Airlines direct
03 May Asiana Airlines direct

Also check the deals for return flights from Seoul to Osaka in May.

Skyscanner

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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