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 – $305
Lowest We've Seen
$165
Based on 3,252 price pointshigh confidence
Monthly Price Guide
Jan
$237
Feb
—
Mar
—
Apr
$315
May
$248
Jun
$286
Jul
$278
Aug
$268
Sep
$232
Oct
$284
Nov
$292
Dec
$318
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 $232. The most expensive month tends to be December at around $318. 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: $15971 price checksWorst: $187