Cheapest return ICN–KIX flights, May

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

Return flights

28 May - 29 May Air Busan direct
26 May - 01 Jun T'way Air direct
26 May - 28 May T'way Air direct
25 May - 28 May Eastar Jet direct
24 May - 27 May T'way Air direct
27 May - 02 Jun T'way Air direct
27 May - 17 Jun Eastar Jet direct
27 May - 10 Jun Eastar Jet direct
27 May - 11 Jun Eastar Jet direct
27 May - 09 Jun Eastar Jet direct
25 May - 10 Jun Eastar Jet direct
25 May - 11 Jun Eastar Jet direct
26 May - 10 Jun Eastar Jet direct
26 May - 11 Jun Eastar Jet direct
28 May - 31 May T'way Air direct
28 May - 30 May Eastar Jet direct
25 May - 27 May Eastar Jet direct
26 May - 27 May Eastar Jet direct
27 May - 28 May T'way Air direct
26 May - 29 May Peach direct

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

Powered by

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 Osaka

Cheap car rent in Osaka

Feel free to contact us with any feedback or request another flight research.