Southwest® flights from Boston to Costa Rica

Promo Code

Popular flight deals and low fares from Boston

$

Boston (BOS)to

Liberia, Costa Rica (LIR)
Depart: 11/23/2026
From
$379
Seen: 21 hrs ago
One-way
Basic
*Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

Shop more flights from Boston

$
Shop more flights from Boston
From
To
Fare Type
Dates
Price
Boston (BOS)San Jose, Costa Rica (SJO)One-way
/
Basic		Depart: 01/18/2027

From

$178

Seen: 20 hrs ago

Boston (BOS)Liberia, Costa Rica (LIR)One-way
/
Basic		Depart: 04/18/2027

From

$328

Seen: 4 hrs ago

*Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

More Routes from Boston

Popular Routes from Southwest Airlines®

Explore Southwest Airlines® Top-Pick Destinations