Book Cheap Flights to Costa Rica on Alaska Airlines
Great Costa Rica one-way flight deals.*
Los Angeles (LAX)to
Liberia, CR (LIR)Los Angeles (LAX)to
San Jose, CR (SJO)San Francisco (SFO)to
Liberia, CR (LIR)*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 offers for plane tickets to Costa Rica.*
| FromLos Angeles (LAX) | ToLiberia, CR (LIR) | One-way | Main | Depart: May 21, 2024 | From $176* Seen: 58 minutes ago |
| FromLos Angeles (LAX) | ToSan Jose, CR (SJO) | One-way | Main | Depart: Jun 1, 2024 | From $211* Seen: 1 hour ago |
| FromSeattle (SEA) | ToLiberia, CR (LIR) | One-way | Main | Depart: May 21, 2024 | From $266* Seen: 2 hours ago |
| FromSeattle (SEA) | ToSan Jose, CR (SJO) | One-way | Main | Depart: Oct 2, 2024 | From $267* Seen: 8 hours 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.