Route Price Intelligence
Cheap Flights From Boston to San Diego
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$323
Great Deal
Under $290
Typical Range
$290 – $339
Lowest We've Seen
$165
Based on 542 price pointshigh confidence
Monthly Price Guide
Jan
$323
Feb
$323
Mar
$326
Apr
$334
May
—
Jun
—
Jul
$479
Aug
$290
Sep
$257
Oct
$258
Nov
$296
Dec
$334
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 $257. The most expensive month tends to be July at around $479. For the best deals, consider flying in September, October, August.
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: August43,506 fares analyzedTypical low: $273