Route Price Intelligence
Cheap Flights From Boston to San Antonio
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$321
Deals From
$299
Usually Costs
$299 – $349
Lowest We've Seen
$149
Based on 1,084 price pointshigh confidence
Monthly Price Guide
Jan
$309
Feb
—
Mar
—
Apr
$328
May
$322
Jun
$327
Jul
$319
Aug
$306
Sep
$302
Oct
$327
Nov
$342
Dec
$349
Cheapest Average Expensive
Best Time to Fly from Boston to San Antonio
The cheapest time to fly from Boston to San Antonio is typically September, when fares average around $302. The most expensive month tends to be December at around $349. For the best deals, consider flying in September, August, January.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $19069 price checksWorst: $325