Cheapest one-way flights from San Jose to Seoul in April from $613

AirHint found the following cheapest one-way flights from San Jose (SJC) to Seoul (ICN) in April 2026 (see full year).

One-Way flights

07 Apr Alaska Airlines
14 Apr Alaska Airlines
08 Apr Alaska Airlines
06 Apr Alaska Airlines
23 Apr Alaska Airlines
02 Apr Alaska Airlines
04 Apr Alaska Airlines
05 Apr Alaska Airlines
09 Apr Hawaiian Airlines
10 Apr Alaska Airlines

Also check the deals for return flights from San Jose to Seoul 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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