Boston (BOS) to San José (SJO) flight deal in economy from $376
Logan International Airport
Boston, United States
Juan Santamaría International Airport (SJO)
San José, Costa Rica
$628 USD
-40%$376 USD
Verified 14 days agoOctober 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Fair Availability
20% of dates checked are available within 10% of the lowest price
Monday, October 5th, 2026
7 round-trip options
Returning
Sat, Oct 10, 2026•5 Day Trip
$381 USD
Returning
Sun, Oct 11, 2026•6 Day Trip
$489 USD
Returning
Tue, Oct 13, 2026•8 Day Trip
$376 USD
Returning
Thu, Oct 15, 2026•10 Day Trip
$382 USD
Returning
Fri, Oct 16, 2026•11 Day Trip
$382 USD
Returning
Sat, Oct 17, 2026•12 Day Trip
$376 USD
Returning
Sun, Oct 18, 2026•13 Day Trip
$382 USD
