Cheapest one-way flights from Seoul to Osaka in September from $50

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

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

One-Way flights

02 Sep Peach direct
17 Sep Peach direct
18 Sep Peach direct
16 Sep Peach direct
21 Sep Jeju Air direct
11 Sep Jeju Air direct
12 Sep Jeju Air direct
05 Sep Jeju Air direct
19 Sep Jeju Air direct
24 Sep Jeju Air direct

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

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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