Alaska Airlines Flights from Costa Rica to United States
Deals on one-way flights from Costa Rica 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)San Jose, CR (SJO)to
Seattle (SEA)Liberia, CR (LIR)to
San Francisco (SFO)Liberia, CR (LIR)to
San Francisco (SFO)Liberia, CR (LIR)to
San Francisco (SFO)Liberia, CR (LIR)to
San Francisco (SFO)Liberia, CR (LIR)to
San Francisco (SFO)*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 Costa Rica to United States.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| San Jose, CR (SJO) | Seattle (SEA) | One-way | Saver | Depart: Oct 29, 2025 | From $189 Seen: 10 hours ago | |
| San Jose, CR (SJO) | Seattle (SEA) | One-way | Saver | Depart: Oct 30, 2025 | From $189 Seen: 10 hours ago | |
| San Jose, CR (SJO) | Seattle (SEA) | One-way | Saver | Depart: Oct 28, 2025 | From $189 Seen: 10 hours ago | |
| San Jose, CR (SJO) | Seattle (SEA) | One-way | Saver | Depart: Nov 11, 2025 | From $207 Seen: 10 hours ago | |
| San Jose, CR (SJO) | Seattle (SEA) | One-way | Saver | Depart: Nov 12, 2025 | From $207 Seen: 10 hours ago | |
| San Jose, CR (SJO) | Seattle (SEA) | One-way | Saver | Depart: Nov 13, 2025 | From $207 Seen: 10 hours ago | |
| Liberia, CR (LIR) | San Francisco (SFO) | One-way | Saver | Depart: Oct 29, 2025 | From $220 Seen: 10 hours ago | |
| Liberia, CR (LIR) | San Francisco (SFO) | One-way | Saver | Depart: Dec 10, 2025 | From $224 Seen: 10 hours ago | |
| Liberia, CR (LIR) | San Francisco (SFO) | One-way | Saver | Depart: Dec 9, 2025 | From $224 Seen: 10 hours ago | |
| Liberia, CR (LIR) | San Francisco (SFO) | One-way | Saver | Depart: Oct 28, 2025 | From $224 Seen: 10 hours ago | |
| Liberia, CR (LIR) | San Francisco (SFO) | One-way | Saver | Depart: Oct 21, 2025 | From $231 Seen: 10 hours ago | |
| Liberia, CR (LIR) | San Francisco (SFO) | One-way | Saver | Depart: Nov 4, 2025 | From $231 Seen: 10 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.