Cheapest one-way flights from Seoul to Osaka in May from $103

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

One-Way flights

08 May Korean Air direct
21 May Asiana Airlines direct
09 May Korean Air direct
11 May Korean Air direct
30 May Korean Air direct
14 May Korean Air direct
13 May Korean Air direct
28 May Korean Air direct
25 May Korean Air direct
26 May Korean 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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