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

Friday, August 14th, 2026

6 round-trip options

Returning
Thu, Aug 20, 20266 Day Trip
$449 USD
Returning
Fri, Aug 21, 20267 Day Trip
$392 USD
Returning
Sat, Aug 22, 20268 Day Trip
$447 USD
Returning
Mon, Aug 24, 202610 Day Trip
$364 USD
Returning
Thu, Aug 27, 202613 Day Trip
$395 USD
Returning
Fri, Aug 28, 202614 Day Trip
$364 USD