Book Cheap Flights from Costa Rica with Alaska Airlines
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1 Passenger
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DPA Name: DPA QA Test - Details / example to Los Angeles/LAX
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There are no fares that match your filter criteria. Please adjust your filters.
There are no fares that match your filter criteria. Please adjust your filters.Compare one-way airfares from Costa Rica.*
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Liberia, CR (LIR)to
Portland (PDX)Depart: Feb 7, 2026
From
$220
Seen: 1 hour ago
One-way
Economy
Liberia, CR (LIR)to
San Francisco (SFO)Depart: Feb 13, 2026
From
$197
Seen: 11 hours ago
One-way
Economy
*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.
Lowest one-way fares from Costa Rica.*
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| San Jose, CR (SJO) | Seattle (SEA) | One-way | Economy | Depart: May 11, 2026 | From $290 Seen: 8 hours ago |
| Liberia, CR (LIR) | Portland (PDX) | One-way | Economy | Depart: Apr 15, 2026 | From $206 Seen: 11 hours ago |
| Liberia, CR (LIR) | San Francisco (SFO) | One-way | Economy | Depart: Apr 25, 2026 | From $181 Seen: 15 hours ago |
| Liberia, CR (LIR) | Seattle (SEA) | One-way | Economy | Depart: Feb 16, 2026 | From $168 Seen: 2 hours ago |
| San Jose, CR (SJO) | Portland (PDX) | One-way | Economy | Depart: May 5, 2026 | From $239 Seen: 14 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.