Cheap Flights from San Diego to Boston
Browse current best options from San Diego. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
San Diego
RatePunk searches hundreds of travel sites at once for deals on flights to Boston
Prices updated 6 days ago
406 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated Aug 2, 2026.)
Today’s best flight deals from San Diego to Boston
Explore current cheapest deals departing from San Diego to Boston
2026-10-20 – 2026-10-28
SAN - Boston
92% AI deal score
$282
$176
Round trip
2026-10-06 – 2026-10-13
SAN - Boston
91% AI deal score
$295
$184
Round trip
2026-09-14 – 2026-09-22
SAN - Boston
89% AI deal score
$246
$185
Round trip
2026-11-15 – 2026-11-18
SAN - Boston
92% AI deal score
$298
$185
Round trip
2026-09-18 – 2026-09-22
SAN - Boston
90% AI deal score
$269
$186
Round trip
2026-10-19 – 2026-10-27
SAN - Boston
91% AI deal score
$282
$186
Round trip
2026-09-01 – 2026-09-08
SAN - Boston
89% AI deal score
$260
$188
Round trip
2026-10-07 – 2026-10-13
SAN - Boston
91% AI deal score
$295
$188
Round trip
2026-10-27 – 2026-10-28
SAN - Boston
91% AI deal score
$310
$193
Round trip
2026-10-01 – 2026-10-03
SAN - Boston
91% AI deal score
$304
$194
Round trip
