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

Sunday, July 12th, 2026

6 round-trip options

Returning
Sat, Jul 18, 20266 Day Trip
$637 USD
Returning
Sun, Jul 19, 20267 Day Trip
$467 USD
Returning
Mon, Jul 20, 20268 Day Trip
$467 USD
Returning
Wed, Jul 22, 202610 Day Trip
$467 USD
Returning
Sat, Jul 25, 202613 Day Trip
$467 USD
Returning
Sun, Jul 26, 202614 Day Trip
$517 USD