Alaska Airlines Flights from Costa Rica to United States
Deals on one-way flights from Costa Rica to United States.*
Liberia, CR (LIR)to
Seattle (SEA)Liberia, CR (LIR)to
Seattle (SEA)Liberia, CR (LIR)to
Seattle (SEA)Liberia, CR (LIR)to
Seattle (SEA)Liberia, CR (LIR)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)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 | |
|---|---|---|---|---|---|
| Liberia, CR (LIR) | San Francisco (SFO) | One-way | Saver | Depart: Oct 14, 2025 | From $207 Seen: 2 hours ago | |
| Liberia, CR (LIR) | San Francisco (SFO) | One-way | Saver | Depart: Oct 29, 2025 | From $207 Seen: 2 hours ago | |
| Liberia, CR (LIR) | San Francisco (SFO) | One-way | Saver | Depart: Nov 5, 2025 | From $207 Seen: 2 hours ago | |
| Liberia, CR (LIR) | San Francisco (SFO) | One-way | Saver | Depart: Sep 9, 2025 | From $207 Seen: 2 hours ago | |
| Liberia, CR (LIR) | San Francisco (SFO) | One-way | Saver | Depart: Sep 4, 2025 | From $207 Seen: 2 hours ago | |
| Liberia, CR (LIR) | San Francisco (SFO) | One-way | Saver | Depart: Aug 13, 2025 | From $207 Seen: 2 hours ago | |
| San Jose, CR (SJO) | Seattle (SEA) | One-way | Saver | Depart: Oct 16, 2025 | From $226 Seen: 2 hours ago | |
| San Jose, CR (SJO) | Seattle (SEA) | One-way | Saver | Depart: Oct 23, 2025 | From $226 Seen: 2 hours ago | |
| San Jose, CR (SJO) | Seattle (SEA) | One-way | Saver | Depart: Oct 9, 2025 | From $226 Seen: 2 hours ago | |
| San Jose, CR (SJO) | Seattle (SEA) | One-way | Saver | Depart: Oct 12, 2025 | From $237 Seen: 2 hours ago | |
| San Jose, CR (SJO) | Seattle (SEA) | One-way | Saver | Depart: Oct 18, 2025 | From $237 Seen: 2 hours ago | |
| San Jose, CR (SJO) | Seattle (SEA) | One-way | Saver | Depart: Oct 19, 2025 | From $237 Seen: 2 hours ago | |
| Liberia, CR (LIR) | Seattle (SEA) | One-way | Saver | Depart: Sep 23, 2025 | From $242 Seen: 2 hours ago | |
| Liberia, CR (LIR) | Seattle (SEA) | One-way | Saver | Depart: Sep 9, 2025 | From $242 Seen: 2 hours ago | |
| Liberia, CR (LIR) | Seattle (SEA) | One-way | Saver | Depart: Sep 30, 2025 | From $242 Seen: 2 hours ago | |
| Liberia, CR (LIR) | Seattle (SEA) | One-way | Saver | Depart: Sep 10, 2025 | From $242 Seen: 2 hours ago | |
| Liberia, CR (LIR) | Seattle (SEA) | One-way | Saver | Depart: Sep 16, 2025 | From $242 Seen: 2 hours ago | |
| Liberia, CR (LIR) | Seattle (SEA) | One-way | Saver | Depart: Sep 17, 2025 | From $242 Seen: 2 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.