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
Liberia, CR (LIR)Los Angeles (LAX)to
Liberia, CR (LIR)Los Angeles (LAX)to
Liberia, CR (LIR)Los Angeles (LAX)to
Liberia, CR (LIR)Los Angeles (LAX)to
San Jose, CR (SJO)Los Angeles (LAX)to
San Jose, CR (SJO)Los Angeles (LAX)to
San Jose, CR (SJO)Los Angeles (LAX)to
San Jose, CR (SJO)Los Angeles (LAX)to
San Jose, CR (SJO)Seattle (SEA)to
San Jose, CR (SJO)Seattle (SEA)to
San Jose, CR (SJO)San Francisco (SFO)to
Liberia, CR (LIR)San Francisco (SFO)to
Liberia, CR (LIR)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.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Los Angeles (LAX) | San Jose, CR (SJO) | One-way | Main | Depart: May 29, 2025 | From $180 Seen: 1 hour ago | |
| Los Angeles (LAX) | San Jose, CR (SJO) | One-way | Main | Depart: May 30, 2025 | From $180 Seen: 1 hour ago | |
| Los Angeles (LAX) | San Jose, CR (SJO) | One-way | Main | Depart: May 31, 2025 | From $180 Seen: 1 hour ago | |
| Los Angeles (LAX) | San Jose, CR (SJO) | One-way | Main | Depart: May 26, 2025 | From $209 Seen: 1 hour ago | |
| Los Angeles (LAX) | San Jose, CR (SJO) | One-way | Main | Depart: May 27, 2025 | From $209 Seen: 1 hour ago | |
| Los Angeles (LAX) | San Jose, CR (SJO) | One-way | Main | Depart: May 28, 2025 | From $209 Seen: 1 hour ago | |
| Los Angeles (LAX) | Liberia, CR (LIR) | One-way | Main | Depart: May 31, 2025 | From $224 Seen: 3 hours ago | |
| Los Angeles (LAX) | Liberia, CR (LIR) | One-way | Main | Depart: Jan 5, 2026 | From $251 Seen: 17 hours ago | |
| Los Angeles (LAX) | Liberia, CR (LIR) | One-way | Main | Depart: Aug 24, 2025 | From $251 Seen: 6 hours ago | |
| Los Angeles (LAX) | Liberia, CR (LIR) | One-way | Main | Depart: Jul 25, 2025 | From $251 Seen: 6 hours ago | |
| Los Angeles (LAX) | Liberia, CR (LIR) | One-way | Main | Depart: Jun 22, 2025 | From $251 Seen: 8 hours ago | |
| Los Angeles (LAX) | Liberia, CR (LIR) | One-way | Main | Depart: Feb 11, 2026 | From $251 Seen: 3 hours ago | |
| Seattle (SEA) | San Jose, CR (SJO) | One-way | Main | Depart: Jun 1, 2025 | From $261 Seen: 13 hours ago | |
| Seattle (SEA) | Liberia, CR (LIR) | One-way | Main | Depart: Jun 1, 2025 | From $286 Seen: 7 hours ago | |
| Seattle (SEA) | Liberia, CR (LIR) | One-way | Main | Depart: Aug 22, 2025 | From $290 Seen: 6 hours ago | |
| San Francisco (SFO) | Liberia, CR (LIR) | One-way | Main | Depart: May 28, 2025 | From $297 Seen: 3 hours ago | |
| Seattle (SEA) | Liberia, CR (LIR) | One-way | Main | Depart: Jun 26, 2025 | From $301 Seen: 12 hours ago | |
| Seattle (SEA) | Liberia, CR (LIR) | One-way | Main | Depart: Jun 25, 2025 | From $322 Seen: 12 hours ago | |
| Seattle (SEA) | Liberia, CR (LIR) | One-way | Main | Depart: Mar 1, 2026 | From $322 Seen: 5 hours ago | |
| Seattle (SEA) | Liberia, CR (LIR) | One-way | Main | Depart: Sep 4, 2025 | From $322 Seen: 3 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.
Book one-way flights to Costa Rica with miles*
Los Angeles (LAX)to
Liberia, CR (LIR)Los Angeles (LAX)to
Liberia, CR (LIR)Los Angeles (LAX)to
Liberia, CR (LIR)Los Angeles (LAX)to
Liberia, CR (LIR)Los Angeles (LAX)to
Liberia, CR (LIR)Los Angeles (LAX)to
Liberia, CR (LIR)Los Angeles (LAX)to
Liberia, CR (LIR)Los Angeles (LAX)to
Liberia, CR (LIR)
Los Angeles (LAX)to
San Jose, CR (SJO)Los Angeles (LAX)to
San Jose, CR (SJO)Los Angeles (LAX)to
San Jose, CR (SJO)Los Angeles (LAX)to
San Jose, CR (SJO)Los Angeles (LAX)to
San Jose, CR (SJO)Los Angeles (LAX)to
San Jose, CR (SJO)Los Angeles (LAX)to
Liberia, CR (LIR)Los Angeles (LAX)to
Liberia, CR (LIR)Los Angeles (LAX)to
San Jose, CR (SJO)Los Angeles (LAX)to
San Jose, CR (SJO)Los Angeles (LAX)to
San Jose, CR (SJO)Los Angeles (LAX)to
San Jose, CR (SJO)*Prices have been available for one-way and round 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.