Alaska Airlines Flights from Costa Rica to United States

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

$
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Liberia, CR (LIR)to

Seattle (SEA)
Depart: Aug 14, 2025
From
$258
Seen: 16 hours ago
One-way
Saver

Liberia, CR (LIR)to

Seattle (SEA)
Depart: Aug 13, 2025
From
$263
Seen: 16 hours ago
One-way
Saver

Liberia, CR (LIR)to

Seattle (SEA)
Depart: Aug 12, 2025
From
$292
Seen: 16 hours ago
One-way
Saver

Liberia, CR (LIR)to

Seattle (SEA)
Depart: Aug 16, 2025
From
$292
Seen: 16 hours ago
One-way
Saver

Liberia, CR (LIR)to

Seattle (SEA)
Depart: Jul 31, 2025
From
$318
Seen: 16 hours ago
One-way
Saver

San Jose, CR (SJO)to

Seattle (SEA)
Depart: Jul 26, 2025
From
$275
Seen: 16 hours ago
One-way
Saver

San Jose, CR (SJO)to

Seattle (SEA)
Depart: Aug 16, 2025
From
$294
Seen: 16 hours ago
One-way
Saver

San Jose, CR (SJO)to

Seattle (SEA)
Depart: Jul 19, 2025
From
$300
Seen: 16 hours ago
One-way
Saver

San Jose, CR (SJO)to

Seattle (SEA)
Depart: Aug 3, 2025
From
$358
Seen: 16 hours ago
One-way
Saver

San Jose, CR (SJO)to

Seattle (SEA)
Depart: Aug 4, 2025
From
$358
Seen: 16 hours ago
One-way
Saver

Liberia, CR (LIR)to

San Francisco (SFO)
Depart: Aug 13, 2025
From
$206
Seen: 17 hours ago
One-way
Saver

Liberia, CR (LIR)to

San Francisco (SFO)
Depart: Aug 14, 2025
From
$231
Seen: 17 hours ago
One-way
Saver

Liberia, CR (LIR)to

San Francisco (SFO)
Depart: Aug 12, 2025
From
$271
Seen: 17 hours ago
One-way
Saver

Liberia, CR (LIR)to

San Francisco (SFO)
Depart: Aug 16, 2025
From
$289
Seen: 17 hours ago
One-way
Saver

Liberia, CR (LIR)to

San Francisco (SFO)
Depart: Aug 4, 2025
From
$320
Seen: 17 hours ago
One-way
Saver

*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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One-way low-fare flights Costa Rica to United States.*
From
To
Fare Type
Dates
Price
Liberia, CR (LIR)San Francisco (SFO)One-way
|
Saver
Depart: Sep 9, 2025

From

$206

Seen: 17 hours ago

Liberia, CR (LIR)San Francisco (SFO)One-way
|
Saver
Depart: Sep 18, 2025

From

$206

Seen: 17 hours ago

Liberia, CR (LIR)San Francisco (SFO)One-way
|
Saver
Depart: Sep 30, 2025

From

$206

Seen: 17 hours ago

Liberia, CR (LIR)San Francisco (SFO)One-way
|
Saver
Depart: Oct 14, 2025

From

$206

Seen: 17 hours ago

Liberia, CR (LIR)San Francisco (SFO)One-way
|
Saver
Depart: Oct 29, 2025

From

$206

Seen: 17 hours ago

Liberia, CR (LIR)San Francisco (SFO)One-way
|
Saver
Depart: Nov 5, 2025

From

$206

Seen: 17 hours ago

San Jose, CR (SJO)Seattle (SEA)One-way
|
Saver
Depart: Oct 16, 2025

From

$235

Seen: 16 hours ago

San Jose, CR (SJO)Seattle (SEA)One-way
|
Saver
Depart: Oct 23, 2025

From

$235

Seen: 16 hours ago

San Jose, CR (SJO)Seattle (SEA)One-way
|
Saver
Depart: Oct 9, 2025

From

$235

Seen: 16 hours ago

San Jose, CR (SJO)Seattle (SEA)One-way
|
Saver
Depart: Oct 11, 2025

From

$235

Seen: 16 hours ago

San Jose, CR (SJO)Seattle (SEA)One-way
|
Saver
Depart: Oct 29, 2025

From

$235

Seen: 16 hours ago

Liberia, CR (LIR)Seattle (SEA)One-way
|
Saver
Depart: Sep 9, 2025

From

$236

Seen: 16 hours ago

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

From

$236

Seen: 16 hours ago

Liberia, CR (LIR)Seattle (SEA)One-way
|
Saver
Depart: Nov 18, 2025

From

$236

Seen: 5 hours ago

Liberia, CR (LIR)Seattle (SEA)One-way
|
Saver
Depart: Oct 30, 2025

From

$241

Seen: 16 hours ago

Liberia, CR (LIR)Seattle (SEA)One-way
|
Saver
Depart: Aug 28, 2025

From

$241

Seen: 16 hours ago

Liberia, CR (LIR)Seattle (SEA)One-way
|
Saver
Depart: Sep 11, 2025

From

$241

Seen: 16 hours ago

San Jose, CR (SJO)Seattle (SEA)One-way
|
Saver
Depart: Nov 4, 2025

From

$241

Seen: 16 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.

Popular Costa Rica to United States routes