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

Wednesday, November 18th, 2026

5 round-trip options

Returning
Wed, Nov 25, 2026•7 Day Trip
$457 USD
Google Flights
Returning
Fri, Nov 27, 2026•9 Day Trip
$765 USD
Google Flights
Returning
Sun, Nov 29, 2026•11 Day Trip
$1,187 USD
Google Flights
Returning
Mon, Nov 30, 2026•12 Day Trip
$852 USD
Google Flights
Returning
Tue, Dec 1, 2026•13 Day Trip
$490 USD
Google Flights