Route Price Intelligence
Cheap Flights From Boston to San Diego
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$325
Deals From
$280
Usually Costs
$280 – $377
Lowest We've Seen
$165
Based on 8,670 price pointshigh confidence
Monthly Price Guide
Jan
$377
Feb
$377
Mar
$665
Apr
$348
May
$289
Jun
$313
Jul
$315
Aug
$323
Sep
$347
Oct
$377
Nov
$377
Dec
$377
Cheapest Average Expensive
Best Time to Fly from Boston to San Diego
The cheapest time to fly from Boston to San Diego is typically May, when fares average around $289. The most expensive month tends to be March at around $665. For the best deals, consider flying in May, June, July.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $15990 price checksWorst: $247