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

One-Way flights

04 Mar	Alaska Airlines
11 Mar	Alaska Airlines
09 Mar	Alaska Airlines
13 Mar	Alaska Airlines
25 Mar	Alaska Airlines
30 Mar	Alaska Airlines
23 Mar	Alaska Airlines
05 Mar	Alaska Airlines
26 Mar	Alaska Airlines

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

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 Seoul

Cheap car rent in Seoul

Cheapest one-way flights from San Jose to Seoul in March from $516

One-Way flights