Route Price Intelligence
Cheap Flights From Boston to San Diego
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$351
Deals From
$313
Usually Costs
$313 – $377
Lowest We've Seen
$165
Based on 8,785 price pointshigh confidence
Monthly Price Guide
Jan
$377
Feb
$377
Mar
$522
Apr
$332
May
$297
Jun
$325
Jul
$325
Aug
$337
Sep
$357
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 $297. The most expensive month tends to be March at around $522. 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: $15788 price checksWorst: $247