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

Saturday, July 25th, 2026

6 round-trip options

Returning
Fri, Jul 31, 20266 Day Trip
$395 USD
Returning
Sat, Aug 1, 20267 Day Trip
$367 USD
Returning
Sun, Aug 2, 20268 Day Trip
$367 USD
Returning
Tue, Aug 4, 202610 Day Trip
$362 USD
Returning
Fri, Aug 7, 202613 Day Trip
$395 USD
Returning
Sat, Aug 8, 202614 Day Trip
$367 USD