Cheap Flights from Philadelphia to San Antonio
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Deals from
Philadelphia
RatePunk searches hundreds of travel sites at once for deals on flights to San Antonio
Prices updated 1 day ago
461 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated Sep 14, 2026.)
Today’s best flight deals from Philadelphia to San Antonio
Explore current cheapest deals departing from Philadelphia to San Antonio
2026-10-02 – 2026-10-05
PHL - San Antonio
68% AI deal score
$219
$244
Round trip
2026-10-03 – 2026-10-05
PHL - San Antonio
67% AI deal score
$216
$244
Round trip
2026-10-15 – 2026-10-18
PHL - San Antonio
67% AI deal score
$211
$245
Round trip
2026-10-28 – 2026-10-31
PHL - San Antonio
67% AI deal score
$210
$245
Round trip
2026-10-02 – 2026-10-04
PHL - San Antonio
68% AI deal score
$219
$245
Round trip
2026-10-29 – 2026-10-31
PHL - San Antonio
67% AI deal score
$211
$245
Round trip
2026-10-27 – 2026-10-31
PHL - San Antonio
67% AI deal score
$210
$245
Round trip
2026-10-09 – 2026-10-13
PHL - San Antonio
67% AI deal score
$211
$245
Round trip
2026-10-10 – 2026-10-14
PHL - San Antonio
67% AI deal score
$211
$245
Round trip
2026-10-14 – 2026-10-21
PHL - San Antonio
70% AI deal score
$310
$253
Round trip
