Cheapest return flights from Seoul to Osaka in May from $267

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

Return flights

13 May - 22 May Asiana Airlines direct
15 May - 15 May Asiana Airlines direct
20 May - 27 May Asiana Airlines direct
22 May - 29 May Asiana Airlines direct
12 May - 27 May Asiana Airlines direct
11 May - 13 May Asiana Airlines direct
11 May - 15 May Asiana Airlines direct
08 May - 11 May Asiana Airlines direct
06 May - 09 May Korean Air direct
15 May - 24 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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