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

Saturday, July 18th, 2026

6 round-trip options

Returning
Fri, Jul 24, 20266 Day Trip
$467 USD
Returning
Sat, Jul 25, 20267 Day Trip
$467 USD
Returning
Sun, Jul 26, 20268 Day Trip
$517 USD
Returning
Tue, Jul 28, 202610 Day Trip
$452 USD
Returning
Fri, Jul 31, 202613 Day Trip
$480 USD
Returning
Sat, Aug 1, 202614 Day Trip
$452 USD