AirHint found the following cheapest return flights from Osaka (ITM) to Seoul (ICN) in April 2026 (see full year).

Return flights

02 Apr - 07 Apr	ANA
01 Apr - 05 Apr	ANA
28 Apr - 03 May	ANA
08 Apr - 16 Apr	Japan Airlines
09 Apr - 16 Apr	Japan Airlines
06 Apr - 07 Apr	Japan Airlines
08 Apr - 09 Apr	ANA
01 Apr - 02 Apr	Japan Airlines
01 Apr - 07 Apr	Japan Airlines
02 Apr - 09 Apr	Japan Airlines
07 Apr - 09 Apr	Japan Airlines
30 Apr - 07 May	Japan Airlines
26 Apr - 07 May	ANA
25 Apr - 07 May	Japan Airlines
22 Apr - 01 May	Japan Airlines
22 Apr - 02 May	Japan Airlines
30 Apr - 02 May	Japan Airlines
29 Apr - 06 May	Japan Airlines
29 Apr - 03 May	Japan Airlines

Also check the deals for one-way flights from Osaka to Seoul in April.

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Osaka to Seoul in April from $225

Return flights