Boston to San Diego
BOSSAN
Fly from Boston to San Diego starting at USD 106 with AA.
Best fare available on May 11, 2026.
Limited seats. Better plans. Book before it's gone.
Boston to San Diego cheapest flights this week
1 May
AA
15:18BOS
--:--SAN
1 Stop$116VIEW DEAL
11 May
AA
17:09BOS
--:--SAN
1 Stop$106VIEW DEAL
27 Jun
B6
16:20BOS
--:--SAN
Direct$231VIEW DEAL
30 Jun
UA
06:00BOS
--:--SAN
1 Stop$118VIEW DEAL
1 Jul
UA
15:54BOS
--:--SAN
1 Stop$118VIEW DEAL
2 Jul
AS
16:33BOS
--:--SAN
Direct$148VIEW DEAL
26 Jul
B6
06:05BOS
--:--SAN
Direct$146VIEW DEAL
Boston to San Diego monthly flight fare trend
Apr
No flights
May
from USD 106
Jun
from USD 118
Jul
from USD 118
Aug
No flights
Sep
No flights
Airport Details
Origin
Boston
Logan International Airport (BOS)
Boston, BOS
Zone
New York
Elev
20 ft
Destination
San Diego
San Diego International Airport (SAN)
San Diego, SAN
Zone
Los Angeles
Elev
17 ft
