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

Sunday, November 15th, 2026

5 round-trip options

Returning
Sun, Nov 22, 2026•7 Day Trip
$491 USD
Google Flights
Returning
Tue, Nov 24, 2026•9 Day Trip
$503 USD
Google Flights
Returning
Thu, Nov 26, 2026•11 Day Trip
$464 USD
Google Flights
Returning
Fri, Nov 27, 2026•12 Day Trip
$795 USD
Google Flights
Returning
Sat, Nov 28, 2026•13 Day Trip
$1,256 USD
Google Flights