Boston (BOS) to San José (SJO) flight deal in economy from $376

United AirlinesUAUnited Airlines
Round Trip•Economy
United StatesBOS

Logan International Airport

Boston, United States
Costa RicaSJO

Juan Santamaría International Airport (SJO)

San José, Costa Rica
$628 USD
-40%$376 USD
Verified 14 days ago
Fair Availability
20% of dates checked are available within 10% of the lowest price

Saturday, November 21st, 2026

5 round-trip options

Returning
Sat, Nov 28, 2026•7 Day Trip
$1,490 USD
Google Flights
Returning
Mon, Nov 30, 2026•9 Day Trip
$1,164 USD
Google Flights
Returning
Wed, Dec 2, 2026•11 Day Trip
$766 USD
Google Flights
Returning
Thu, Dec 3, 2026•12 Day Trip
$747 USD
Google Flights
Returning
Fri, Dec 4, 2026•13 Day Trip
$742 USD
Google Flights