Boston (BOS) to San Diego (SAN) flight deal in economy from $217

Alaska Airlines, Inc.ASAlaska Airlines, Inc.Southwest AirlinesWNSouthwest Airlines
Round Trip•Economy
United StatesBOS

Logan International Airport

Boston, United States
United StatesSAN

San Diego International Airport

San Diego, United States
$371 USD
-42%$217 USD
Verified about 4 hours ago
Rare Availability
5% of dates checked are available within 10% of the lowest price

Monday, December 21st, 2026

10 round-trip options

Returning
Sat, Dec 26, 2026•5 Day Trip
$326 USD
Google Flights
Returning
Sun, Dec 27, 2026•6 Day Trip
$326 USD
Google Flights
Returning
Mon, Dec 28, 2026•7 Day Trip
$326 USD
Google Flights
Returning
Tue, Dec 29, 2026•8 Day Trip
$337 USD
Google Flights
Returning
Wed, Dec 30, 2026•9 Day Trip
$247 USD
Google Flights
Returning
Thu, Dec 31, 2026•10 Day Trip
$282 USD
Google Flights
Returning
Fri, Jan 1, 2027•11 Day Trip
$381 USD
Google Flights
Returning
Sat, Jan 2, 2027•12 Day Trip
$444 USD
Google Flights
Returning
Sun, Jan 3, 2027•13 Day Trip
$404 USD
Google Flights
Returning
Mon, Jan 4, 2027•14 Day Trip
$340 USD
Google Flights