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

Wednesday, July 22nd, 2026

6 round-trip options

Returning
Tue, Jul 28, 20266 Day Trip
$382 USD
Returning
Wed, Jul 29, 20267 Day Trip
$377 USD
Returning
Thu, Jul 30, 20268 Day Trip
$382 USD
Returning
Sat, Aug 1, 202610 Day Trip
$382 USD
Returning
Tue, Aug 4, 202613 Day Trip
$377 USD
Returning
Wed, Aug 5, 202614 Day Trip
$377 USD