Route Price Intelligence
Cheap Flights From Boston to San Diego
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$317
Great Deal
Under $314
Typical Range
$314 – $364
Lowest We've Seen
$157
Based on 255 price pointshigh confidence
Monthly Price Guide
Jan
$317
Feb
$328
Mar
$374
Apr
$337
May
—
Jun
—
Jul
$447
Aug
$317
Sep
$310
Oct
$312
Nov
$317
Dec
$344
Cheapest Average Expensive
Best Time to Fly from Boston to San Diego
The cheapest time to fly from Boston to San Diego is typically September, when fares average around $310. The most expensive month tends to be July at around $447. For the best deals, consider flying in September, October, November.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route
Cheapest month: September27,145 fares analyzedTypical low: $317