Cheapest one-way flights from Seoul to Osaka in April from $140

AirHint found the following cheapest one-way flights from Seoul (GMP) to Osaka (KIX) in April 2026 (see full year).

One-Way flights

07 Apr Korean Air
05 Apr Korean Air
01 Apr Asiana Airlines direct
02 Apr Asiana Airlines direct
10 Apr Asiana Airlines direct
11 Apr Asiana Airlines direct
15 Apr Korean Air direct
20 Apr Asiana Airlines direct
14 Apr Asiana Airlines direct
21 Apr Asiana Airlines direct

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

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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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