Alaska Airlines Flights from Costa Rica to United States

Flexpay logo

Book now. Pay later.

Spread the cost of your flight over low monthly payments.

Deals on one-way flights from Costa Rica to United States.*

Liberia, CR (LIR)to

Seattle (SEA)
Depart: Apr 30, 2025
From
$574
Seen: 1 hour ago
One-way
|
Saver

Liberia, CR (LIR)to

Seattle (SEA)
Depart: Apr 19, 2025
From
$577
Seen: 3 hours ago
One-way
|
Saver

San Jose, CR (SJO)to

Seattle (SEA)
Depart: Apr 13, 2025
From
$597
Seen: 15 hours ago
One-way
|
Saver

Liberia, CR (LIR)to

San Francisco (SFO)
Depart: May 3, 2025
From
$234
Seen: 4 hours ago
One-way
|
Saver

Liberia, CR (LIR)to

San Francisco (SFO)
Depart: Apr 10, 2025
From
$429
Seen: 5 hours ago
One-way
|
Saver

Liberia, CR (LIR)to

San Francisco (SFO)
Depart: Apr 12, 2025
From
$582
Seen: 5 hours ago
One-way
|
Saver

*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 low-fare flights Costa Rica to United States.*

One-way low-fare flights Costa Rica to United States.*
From
To
Fare Type
Dates
Price
San Jose, CR (SJO)Seattle (SEA)One-way
|
Main
Depart: May 20, 2025

From

$286

Seen: 3 hours ago

Liberia, CR (LIR)Seattle (SEA)One-way
|
Main
Depart: Feb 28, 2026

From

$336

Seen: 1 hour ago

Liberia, CR (LIR)San Francisco (SFO)One-way
|
Main
Depart: Jul 2, 2025

From

$477

Seen: 13 hours ago

Liberia, CR (LIR)Seattle (SEA)One-way
|
Main
Depart: Jul 12, 2025

From

$675

Seen: 15 hours ago

Liberia, CR (LIR)San Francisco (SFO)One-way
|
Main
Depart: May 27, 2025

From

$706

Seen: 3 hours ago

Liberia, CR (LIR)Seattle (SEA)One-way
|
Main
Depart: Jun 23, 2025

From

$759

Seen: 4 minutes 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.

Popular Costa Rica to United States routes