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 – $306
Lowest We've Seen
$165
Based on 4,727 price pointshigh confidence
Monthly Price Guide
Jan
$237
Feb
$282
Mar
$377
Apr
$326
May
$248
Jun
$287
Jul
$283
Aug
$263
Sep
$233
Oct
$285
Nov
$293
Dec
$323
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 $233. The most expensive month tends to be March at around $377. 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: $15977 price checksWorst: $247