Alaska Airlines Cheap Flights from San Francisco to Costa Rica
Deals on one-way flights from San Francisco to Costa Rica.*
San Francisco (SFO)to
Liberia, CR (LIR)San Francisco (SFO)to
Liberia, CR (LIR)San Francisco (SFO)to
Liberia, CR (LIR)San Francisco (SFO)to
Liberia, CR (LIR)San Francisco (SFO)to
Liberia, CR (LIR)*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 Francisco to Costa Rica.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| San Francisco (SFO) | Liberia, CR (LIR) | One-way | Saver | Depart: Nov 4, 2025 | From $175 Seen: 4 hours ago | |
| San Francisco (SFO) | Liberia, CR (LIR) | One-way | Saver | Depart: Nov 3, 2025 | From $175 Seen: 4 hours ago | |
| San Francisco (SFO) | Liberia, CR (LIR) | One-way | Saver | Depart: Oct 15, 2025 | From $175 Seen: 4 hours ago | |
| San Francisco (SFO) | Liberia, CR (LIR) | One-way | Saver | Depart: Nov 10, 2025 | From $175 Seen: 4 hours ago | |
| San Francisco (SFO) | Liberia, CR (LIR) | One-way | Saver | Depart: Oct 28, 2025 | From $175 Seen: 4 hours ago | |
| San Francisco (SFO) | Liberia, CR (LIR) | One-way | Saver | Depart: Oct 20, 2025 | From $175 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.