San Jose (SJC) to San Juan (SJU) flight deal in economy from $386

Thursday, September 10th, 2026

6 round-trip options

Returning
Wed, Sep 16, 20266 Day Trip
$386 USD
Returning
Fri, Sep 18, 20268 Day Trip
$386 USD
Returning
Sat, Sep 19, 20269 Day Trip
$489 USD
Returning
Sun, Sep 20, 202610 Day Trip
$433 USD
Returning
Tue, Sep 22, 202612 Day Trip
$433 USD
Returning
Thu, Sep 24, 202614 Day Trip
$386 USD