Boston (BOS) to San Diego (SAN) flight deal in economy from $267

Extremely Rare Availability
3% of dates checked are available within 10% of the lowest price

Friday, July 17th, 2026

7 round-trip options

Returning
Wed, Jul 22, 20265 Day Trip
$439 USD
Returning
Thu, Jul 23, 20266 Day Trip
$439 USD
Returning
Sat, Jul 25, 20268 Day Trip
$439 USD
Returning
Tue, Jul 28, 202611 Day Trip
$424 USD
Returning
Wed, Jul 29, 202612 Day Trip
$424 USD
Returning
Thu, Jul 30, 202613 Day Trip
$424 USD
Returning
Fri, Jul 31, 202614 Day Trip
$452 USD