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
11 May
AA
17:09BOS
01:49SAN
1 Stop$106VIEW DEAL
27 Jun
B6
16:20BOS
22:28SAN
Direct$231VIEW DEAL
30 Jun
UA
06:00BOS
14:21SAN
1 Stop$118VIEW DEAL
1 Jul
UA
15:54BOS
00:24SAN
1 Stop$118VIEW DEAL
2 Jul
AS
16:33BOS
22:53SAN
Direct$148VIEW DEAL
26 Jul
B6
06:05BOS
12:10SAN
Direct$146VIEW DEAL
Boston to San Diego monthly flight fare trend
May
from USD 106
Jun
from USD 118
Jul
from USD 118
Aug
No flights
Sep
No flights
Oct
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
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