Cheap Flights from Philadelphia to San Antonio
Browse current best options from Philadelphia. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Philadelphia
RatePunk searches hundreds of travel sites at once for deals on flights to San Antonio
Prices updated today
485 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated Nov 2, 2026.)
Today’s best flight deals from Philadelphia to San Antonio
Explore current cheapest deals departing from Philadelphia to San Antonio
2027-01-16 – 2027-01-29
PHL - San Antonio
65% AI deal score
$214
$234
Round trip
2027-01-20 – 2027-01-29
PHL - San Antonio
65% AI deal score
$223
$235
Round trip
2026-12-08 – 2026-12-16
PHL - San Antonio
78% AI deal score
$369
$237
Round trip
2027-01-20 – 2027-02-19
PHL - San Antonio
49% AI deal score
$206
$242
Round trip
2027-01-16 – 2027-02-08
PHL - San Antonio
49% AI deal score
$206
$245
Round trip
2026-12-14 – 2026-12-22
PHL - San Antonio
77% AI deal score
$369
$247
Round trip
2026-12-09 – 2027-01-05
PHL - San Antonio
72% AI deal score
$321
$247
Round trip
2027-01-20 – 2027-02-08
PHL - San Antonio
48% AI deal score
$207
$247
Round trip
2026-12-12 – 2027-01-05
PHL - San Antonio
72% AI deal score
$321
$249
Round trip
2026-12-05 – 2026-12-10
PHL - San Antonio
80% AI deal score
$400
$251
Round trip
