Cheapest one-way flights from San Jose to Seoul in March from $517

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

One-Way flights

09 Mar Frontier Airlines
25 Mar Korean Air
15 Mar Alaska Airlines
08 Mar Alaska Airlines
01 Mar Alaska Airlines
26 Mar Alaska Airlines
11 Mar Alaska Airlines
14 Mar Alaska Airlines
21 Mar Alaska Airlines
05 Mar Alaska Airlines

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

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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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