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

Monday, January 18th, 2027

4 round-trip options

Returning
Mon, Jan 25, 2027•7 Day Trip
$437 USD
Google Flights
Returning
Tue, Jan 26, 2027•8 Day Trip
$437 USD
Google Flights
Returning
Thu, Jan 28, 2027•10 Day Trip
$437 USD
Google Flights
Returning
Sat, Jan 30, 2027•12 Day Trip
$437 USD
Google Flights