Route Price Intelligence
Cheap Flights From Boston to San Diego
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$278
Deals From
$237
Usually Costs
$237 – $302
Lowest We've Seen
$165
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$237
Feb
—
Mar
—
Apr
$326
May
$248
Jun
$297
Jul
$278
Aug
$268
Sep
$230
Oct
$285
Nov
$290
Dec
$303
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 $230. The most expensive month tends to be April at around $326. For the best deals, consider flying in September, January, May.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $15970 price checksWorst: $187