Alaska Airlines Cheap Flights from San Jose, CR to United States
Deals on one-way flights from San Jose, CR to United States.*
San Jose, CR (SJO)to
Seattle (SEA)San Jose, CR (SJO)to
Seattle (SEA)San Jose, CR (SJO)to
Seattle (SEA)San Jose, CR (SJO)to
Seattle (SEA)*Prices have been available for one-way trips within the last 48 hours and may not be currently available. Fares listed may be Saver fares which is our most restrictive fare option and subject to additional restrictions. 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, CR to United States.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| San Jose, CR (SJO) | Seattle (SEA) | One-way | Main | Depart: Feb 6, 2026 | From $318 Seen: 20 hours ago | |
| San Jose, CR (SJO) | Seattle (SEA) | One-way | Main | Depart: Feb 4, 2026 | From $318 Seen: 20 hours ago | |
| San Jose, CR (SJO) | Seattle (SEA) | One-way | Main | Depart: Feb 5, 2026 | From $318 Seen: 20 hours ago | |
| San Jose, CR (SJO) | Seattle (SEA) | One-way | Main | Depart: Feb 3, 2026 | From $318 Seen: 20 hours ago | |
| San Jose, CR (SJO) | Seattle (SEA) | One-way | Main | Depart: Jul 10, 2025 | From $347 Seen: 7 hours ago | |
| San Jose, CR (SJO) | Seattle (SEA) | One-way | Main | Depart: Jul 15, 2025 | From $362 Seen: 17 hours ago |
*Prices have been available for one-way trips within the last 48 hours and may not be currently available. Fares listed may be Saver fares which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.