Boston (BOS) to San Diego (SAN) flight deal in economy from $257

Thursday, July 16th, 2026

6 round-trip options

Returning
Wed, Jul 22, 20266 Day Trip
$467 USD
Returning
Thu, Jul 23, 20267 Day Trip
$467 USD
Returning
Fri, Jul 24, 20268 Day Trip
$467 USD
Returning
Sun, Jul 26, 202610 Day Trip
$517 USD
Returning
Wed, Jul 29, 202613 Day Trip
$447 USD
Returning
Thu, Jul 30, 202614 Day Trip
$452 USD