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Cheapest one-way flights from Osaka (KIX) to Seoul (ICN), May

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Dates, airline, and price
Dates	Airline	Price
21 May	Jeju Air Direct Flight
22 May	Jeju Air Direct Flight
28 May	Jeju Air Direct Flight
30 May	Jeju Air Direct Flight
24 May	Peach Direct Flight
31 May	Aero K Airlines Direct Flight
26 May	Jeju Air Direct Flight
25 May	Peach
25 May	Peach Direct Flight

deals for return flights from Osaka to Seoul in May.

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Updated May 20, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Osaka (KIX) to Seoul (ICN), May

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