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)*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, CR to United States.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| San Jose, CR (SJO) | Seattle (SEA) | One-way | Saver | Depart: Oct 28, 2025 | From $237 Seen: 1 day ago | |
| San Jose, CR (SJO) | Seattle (SEA) | One-way | Saver | Depart: Oct 30, 2025 | From $237 Seen: 22 hours ago | |
| San Jose, CR (SJO) | Seattle (SEA) | One-way | Saver | Depart: Dec 11, 2025 | From $276 Seen: 3 hours ago | |
| San Jose, CR (SJO) | Seattle (SEA) | One-way | Saver | Depart: Sep 21, 2025 | From $298 Seen: 1 day ago | |
| San Jose, CR (SJO) | Seattle (SEA) | One-way | Saver | Depart: Aug 18, 2025 | From $298 Seen: 1 day ago | |
| San Jose, CR (SJO) | Seattle (SEA) | One-way | Saver | Depart: Jul 8, 2025 | From $453 Seen: 4 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.