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 15 days ago
Fair Availability
20% of dates checked are available within 10% of the lowest price

Thursday, December 31st, 2026

5 round-trip options

Returning
Thu, Jan 7, 2027•7 Day Trip
$768 USD
Google Flights
Returning
Sat, Jan 9, 2027•9 Day Trip
$761 USD
Google Flights
Returning
Mon, Jan 11, 2027•11 Day Trip
$657 USD
Google Flights
Returning
Tue, Jan 12, 2027•12 Day Trip
$542 USD
Google Flights
Returning
Wed, Jan 13, 2027•13 Day Trip
$596 USD
Google Flights