Cheapest return flights from Seoul (GMP) to Osaka (KIX), May

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
25 May 01 Jun Peach
Direct Flight
26 May 28 May Peach
Direct Flight
28 May 02 Jun Peach
Direct Flight
28 May 01 Jun Peach
Direct Flight
27 May 02 Jun Peach
Direct Flight
28 May 04 Jun Peach
Direct Flight
29 May 01 Jun Peach
Direct Flight
26 May 01 Jun Jeju Air
Direct Flight
25 May 28 May Jeju Air
Direct Flight
27 May 03 Jun Peach
Direct Flight
25 May 03 Jun Jeju Air
Direct Flight
26 May 03 Jun Jeju Air
Direct Flight
28 May 31 May Peach
Direct Flight
25 May 31 May Jeju Air
Direct Flight
27 May 29 May Peach
Direct Flight
25 May 30 May Jeju Air
Direct Flight
27 May 31 May Peach
Direct Flight
24 May 28 May Peach
Direct Flight
26 May 31 May Jeju Air
Direct Flight
25 May 27 May Peach
Direct Flight
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deals for one-way flights from Seoul to Osaka in May.

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Updated May 21, 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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