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)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)*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 Costa Rica to United States.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| San Jose, CR (SJO) | Seattle (SEA) | One-way | Main | Depart: May 20, 2025 | From $286 Seen: 3 hours ago | |
| Liberia, CR (LIR) | Seattle (SEA) | One-way | Main | Depart: Feb 28, 2026 | From $336 Seen: 1 hour ago | |
| Liberia, CR (LIR) | San Francisco (SFO) | One-way | Main | Depart: Jul 2, 2025 | From $477 Seen: 13 hours ago | |
| Liberia, CR (LIR) | Seattle (SEA) | One-way | Main | Depart: Jul 12, 2025 | From $675 Seen: 15 hours ago | |
| Liberia, CR (LIR) | San Francisco (SFO) | One-way | Main | Depart: May 27, 2025 | From $706 Seen: 3 hours ago | |
| Liberia, CR (LIR) | Seattle (SEA) | One-way | Main | Depart: Jun 23, 2025 | From $759 Seen: 4 minutes 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.