Route Price Intelligence
Cheap Flights From Philadelphia to San Antonio
Live pricing benchmarks, monthly patterns, and historical lows for this route.
⭐ Great DealFound 4d ago
$224Quick trip to Texas! San Antonio for just $224 from Philadelphia with Frontier. Perfect for a long weekend getaway.
✓ 10 date combinations found at this price
Search Google FlightsTypical Price
$409
Deals From
$270
Usually Costs
$270 – $474
Lowest We've Seen
$132
Based on 3,574 price pointshigh confidence
Monthly Price Guide
Jan
$474
Feb
$494
Mar
—
Apr
$260
May
$225
Jun
$250
Jul
$335
Aug
$399
Sep
$454
Oct
$464
Nov
$474
Dec
$474
Cheapest Average Expensive
Best Time to Fly from Philadelphia to San Antonio
The cheapest time to fly from Philadelphia to San Antonio is typically May, when fares average around $225. The most expensive month tends to be February at around $494. For the best deals, consider flying in May, June, April.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $13972 price checksWorst: $210