Route Price Intelligence
Cheap Flights From Boston to San Antonio
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$399
Great Deal
Under $223
Typical Range
$223 – $407
Lowest We've Seen
$223
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$399
Feb
—
Mar
—
Apr
$716
May
$413
Jun
$404
Jul
$399
Aug
$399
Sep
$399
Oct
$399
Nov
$399
Dec
$399
Cheapest Average Expensive
Best Time to Fly from Boston to San Antonio
The cheapest time to fly from Boston to San Antonio is typically October, when fares average around $399. The most expensive month tends to be April at around $716. For the best deals, consider flying in October, November, December.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route
Cheapest month: August42,747 fares analyzedTypical low: $319