Route Price Intelligence
Cheap Flights From Boston to San Diego
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$337
Deals From
$313
Usually Costs
$313 – $377
Lowest We've Seen
$165
Based on 8,490 price pointshigh confidence
Monthly Price Guide
Jan
$362
Feb
$268
Mar
$257
Apr
$288
May
$288
Jun
$328
Jul
$318
Aug
$317
Sep
$317
Oct
$318
Nov
$317
Dec
$329
Cheapest Average Expensive
Best Time to Fly from Boston to San Diego
The cheapest time to fly from Boston to San Diego is typically March, when fares average around $257. The most expensive month tends to be January at around $362. For the best deals, consider flying in March, February, April.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $15782 price checksWorst: $247