Boston to San Diego

BOSSAN

Fly from Boston to San Diego starting at USD 118 with United Airlines.Best fare available on Jun 30, 2026.Limited seats. Better plans. Book before it's gone.

Boston to San Diego cheapest flights this week

27 Jun
JetBlue Airways
16:20BOS
22:28SAN
Direct$231VIEW DEAL
30 Jun
United Airlines
06:00BOS
14:21SAN
1 Stop$118VIEW DEAL
1 Jul
United Airlines
15:54BOS
00:24SAN
1 Stop$118VIEW DEAL
2 Jul
Alaska Airlines
16:33BOS
22:53SAN
Direct$148VIEW DEAL
26 Jul
JetBlue Airways
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

Flights from Boston

Flights from Boston to AtlantaFlights from Boston to AustinFlights from Boston to CharlotteFlights from Boston to DenverFlights from Boston to DallasFlights from Boston to DetroitFlights from Boston to NewarkFlights from Boston to Fort LauderdaleFlights from Boston to HonoluluFlights from Boston to Washington