Cheapest return flights from Seoul to Osaka in May from $250

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

Return flights

20 May - 23 May Korean Air direct
19 May - 23 May Korean Air direct
20 May - 22 May Korean Air direct
30 May - 01 Jun Korean Air direct
30 May - 02 Jun Korean Air direct
16 May - 21 May Korean Air direct
27 May - 29 May Korean Air direct
05 May - 12 May Korean Air direct
03 May - 07 May Korean Air direct
21 May - 24 May Korean Air direct
22 May - 25 May Air China
23 May - 26 May Asiana Airlines direct

Also check the deals for one-way 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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