Alaska Airlines Cheap Flights from San Jose to South Korea
Deals on one-way flights from San Jose to South Korea.*
San Jose (SJC)to
Seoul (ICN)San Jose (SJC)to
Seoul (ICN)San Jose (SJC)to
Seoul (ICN)San Jose (SJC)to
Seoul (ICN)San Jose (SJC)to
Seoul (ICN)*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.
One-way low-fare flights San Jose to South Korea.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| San Jose (SJC) | Seoul (ICN) | One-way | Saver | Depart: Apr 15, 2026 | From $549 Seen: 7 hours ago | |
| San Jose (SJC) | Seoul (ICN) | One-way | Saver | Depart: Apr 18, 2026 | From $549 Seen: 7 hours ago | |
| San Jose (SJC) | Seoul (ICN) | One-way | Saver | Depart: Apr 8, 2026 | From $549 Seen: 7 hours ago | |
| San Jose (SJC) | Seoul (ICN) | One-way | Saver | Depart: Apr 14, 2026 | From $555 Seen: 7 hours ago | |
| San Jose (SJC) | Seoul (ICN) | One-way | Saver | Depart: Apr 7, 2026 | From $555 Seen: 7 hours ago | |
| San Jose (SJC) | Seoul (ICN) | One-way | Saver | Depart: Apr 20, 2026 | From $556 Seen: 7 hours ago |
*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.