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
458 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 7, 2026.)
Today’s best flight deals from Philadelphia to San Antonio
Explore current cheapest deals departing from Philadelphia to San Antonio
2026-10-06 – 2026-10-10
PHL - San Antonio
84% AI deal score
$324
$168
Round trip
2026-10-01 – 2026-10-06
PHL - San Antonio
86% AI deal score
$321
$175
Round trip
2026-10-21 – 2026-10-26
PHL - San Antonio
83% AI deal score
$318
$176
Round trip
2026-10-03 – 2026-10-06
PHL - San Antonio
71% AI deal score
$210
$187
Round trip
2026-10-21 – 2026-10-22
PHL - San Antonio
79% AI deal score
$324
$206
Round trip
2026-09-29 – 2026-10-10
PHL - San Antonio
68% AI deal score
$255
$230
Round trip
2026-10-21 – 2026-10-27
PHL - San Antonio
79% AI deal score
$308
$234
Round trip
2026-10-14 – 2026-10-16
PHL - San Antonio
71% AI deal score
$323
$244
Round trip
2026-10-20 – 2026-11-06
PHL - San Antonio
67% AI deal score
$267
$252
Round trip
2026-10-03 – 2026-10-10
PHL - San Antonio
70% AI deal score
$308
$253
Round trip
