Cheapest return SJO–ICN flights, May

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

Return flights

01 May - 10 May United
01 May - 17 May United
28 May - 20 Jun United
29 May - 22 Jun United
31 May - 22 Jun United
30 May - 22 Jun United
29 May - 20 Jun United
30 May - 20 Jun United
31 May - 20 Jun United
31 May - 21 Jun United
29 May - 21 Jun United

Also check the deals for one-way flights from San Jose 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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