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: Jul 22, 2025
From
$291
Seen: 2 hours ago
One-way
Saver

Liberia, CR (LIR)to

Seattle (SEA)
Depart: Jul 19, 2025
From
$293
Seen: 2 hours ago
One-way
Saver

Liberia, CR (LIR)to

Seattle (SEA)
Depart: Jul 18, 2025
From
$293
Seen: 2 hours ago
One-way
Saver

Liberia, CR (LIR)to

Seattle (SEA)
Depart: Jul 20, 2025
From
$293
Seen: 2 hours ago
One-way
Saver

Liberia, CR (LIR)to

Seattle (SEA)
Depart: Jul 21, 2025
From
$293
Seen: 2 hours ago
One-way
Saver

San Jose, CR (SJO)to

Seattle (SEA)
Depart: Jul 11, 2025
From
$279
Seen: 2 hours ago
One-way
Saver

San Jose, CR (SJO)to

Seattle (SEA)
Depart: Jul 18, 2025
From
$283
Seen: 2 hours ago
One-way
Saver

San Jose, CR (SJO)to

Seattle (SEA)
Depart: Jul 15, 2025
From
$300
Seen: 2 hours ago
One-way
Saver

San Jose, CR (SJO)to

Seattle (SEA)
Depart: Jul 22, 2025
From
$300
Seen: 2 hours ago
One-way
Saver

San Jose, CR (SJO)to

Seattle (SEA)
Depart: Jul 23, 2025
From
$300
Seen: 2 hours ago
One-way
Saver

Liberia, CR (LIR)to

San Francisco (SFO)
Depart: Jul 22, 2025
From
$267
Seen: 2 hours ago
One-way
Saver

Liberia, CR (LIR)to

San Francisco (SFO)
Depart: Jul 23, 2025
From
$278
Seen: 2 hours ago
One-way
Saver

Liberia, CR (LIR)to

San Francisco (SFO)
Depart: Jul 24, 2025
From
$278
Seen: 2 hours ago
One-way
Saver

Liberia, CR (LIR)to

San Francisco (SFO)
Depart: Jul 21, 2025
From
$282
Seen: 2 hours ago
One-way
Saver

Liberia, CR (LIR)to

San Francisco (SFO)
Depart: Jul 25, 2025
From
$290
Seen: 2 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: Oct 14, 2025

From

$207

Seen: 2 hours ago

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

From

$207

Seen: 2 hours ago

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

From

$207

Seen: 2 hours ago

Liberia, CR (LIR)San Francisco (SFO)One-way
|
Saver
Depart: Sep 9, 2025

From

$207

Seen: 2 hours ago

Liberia, CR (LIR)San Francisco (SFO)One-way
|
Saver
Depart: Sep 4, 2025

From

$207

Seen: 2 hours ago

Liberia, CR (LIR)San Francisco (SFO)One-way
|
Saver
Depart: Aug 13, 2025

From

$207

Seen: 2 hours ago

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

From

$226

Seen: 2 hours ago

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

From

$226

Seen: 2 hours ago

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

From

$226

Seen: 2 hours ago

San Jose, CR (SJO)Seattle (SEA)One-way
|
Saver
Depart: Oct 12, 2025

From

$237

Seen: 2 hours ago

San Jose, CR (SJO)Seattle (SEA)One-way
|
Saver
Depart: Oct 18, 2025

From

$237

Seen: 2 hours ago

San Jose, CR (SJO)Seattle (SEA)One-way
|
Saver
Depart: Oct 19, 2025

From

$237

Seen: 2 hours ago

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

From

$242

Seen: 2 hours ago

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

From

$242

Seen: 2 hours ago

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

From

$242

Seen: 2 hours ago

Liberia, CR (LIR)Seattle (SEA)One-way
|
Saver
Depart: Sep 10, 2025

From

$242

Seen: 2 hours ago

Liberia, CR (LIR)Seattle (SEA)One-way
|
Saver
Depart: Sep 16, 2025

From

$242

Seen: 2 hours ago

Liberia, CR (LIR)Seattle (SEA)One-way
|
Saver
Depart: Sep 17, 2025

From

$242

Seen: 2 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