Cheapest return flights from Seoul to Osaka in September from $226

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

AirHint found the following cheapest return flights from Seoul (GMP) to Osaka (KIX) in September 2025 (see full year).

Return flights

01 Sep - 08 Sep Korean Air direct
29 Sep - 03 Oct Korean Air direct
29 Sep - 02 Oct Korean Air direct
13 Sep - 17 Sep Korean Air direct
16 Sep - 16 Sep Korean Air direct
17 Sep - 17 Sep Korean Air direct
09 Sep - 11 Sep Korean Air direct
01 Sep - 04 Sep Korean Air direct
05 Sep - 08 Sep Korean Air direct
06 Sep - 09 Sep Korean Air direct
19 Sep - 22 Sep Korean Air direct
24 Sep - 26 Sep Korean Air direct
29 Sep - 20 Oct Korean Air direct
27 Sep - 01 Oct Korean Air direct
20 Sep - 04 Oct Korean Air direct
30 Sep - 06 Oct Asiana Airlines direct
02 Sep - 09 Oct Asiana Airlines direct
03 Sep - 09 Oct Asiana Airlines direct
30 Sep - 10 Oct Asiana Airlines direct

Also check the deals for one-way 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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