Cheapest return flights from Seoul to Osaka in May from $238

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

Return flights

18 May - 01 Jun Korean Air direct
09 May - 13 May Korean Air direct
17 May - 20 May Korean Air direct
25 May - 28 May Korean Air direct
25 May - 29 May Korean Air direct
24 May - 28 May Korean Air direct
24 May - 27 May Korean Air direct
27 May - 29 May Korean Air direct
19 May - 20 May Korean Air direct
15 May - 19 May Korean Air direct
18 May - 20 May Korean Air direct
13 May - 25 Jun Korean Air direct

Also check the deals for one-way 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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