Alaska Airlines Flights from Costa Rica to United States
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Deals on flights from Costa Rica to United States.*
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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.*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 Costa Rica to United States.*
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Liberia, CR (LIR) | Portland (PDX) | One-way | Saver | Depart: Nov 12, 2026 | From $299 Seen: 9 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.