Cheapest return flights from Osaka to Seoul in May from $139

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

Return flights

12 May - 14 May Peach direct
11 May - 13 May Jin Air direct
18 May - 20 May Jin Air direct
13 May - 18 May Jin Air direct
14 May - 18 May Jin Air direct
14 May - 19 May Jin Air direct
13 May - 17 May Jin Air direct
07 May - 10 May Jin Air direct
15 May - 18 May Jin Air direct
16 May - 18 May Jin Air direct
23 May - 06 Jun Jin Air direct
16 May - 06 Jun T'way Air direct
29 May - 04 Jun T'way Air direct
16 May - 21 Jun T'way Air direct
29 May - 01 Jun T'way Air direct

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

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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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