Cheapest one-way flights from Seoul to Osaka in August from $73

Best time to book flights for Seoul (GMP) to Osaka (KIX) flights at AirHint

AirHint found the following cheapest one-way flights from Seoul (GMP) to Osaka (KIX) in August 2025 (see full year).

One-Way flights

10 Aug Jeju Air direct
20 Aug Asiana Airlines direct
21 Aug Peach direct
27 Aug Peach direct
30 Aug Jeju Air direct
19 Aug Asiana Airlines direct
24 Aug Korean Air direct
26 Aug Asiana Airlines direct
28 Aug Asiana Airlines direct
05 Aug Jeju Air direct

Also check the deals for return flights from Seoul to Osaka in August.

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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