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Home / Philadelphia — San Antonio

Cheap flights Philadelphia — San Antonio

Philadelphia (PHL, US) San Antonio (SAT, US)
from $139 2 423 km ~3h 21m 3 flights found 1 airlines cheapest on Wednesday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $139 on 24.11.2026
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
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December 2026
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January 2027
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Prices found for 4 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
25 Nov 2026, Wed
Frontier Airlines F9 1601
05:55
PHL Philadelphia International Airport
14:07
SAT San Antonio International Airport
8h 12m 1 stop
Farera
$139
View this ticket
26 Nov 2026, Thu
Frontier Airlines F9 1601
05:55
PHL Philadelphia International Airport
14:10
SAT San Antonio International Airport
8h 15m 1 stop
Farera
$162
View this ticket
17 Nov 2026, Tue
Frontier Airlines F9 1101
20:36
PHL Philadelphia International Airport
05:00
SAT San Antonio International Airport
8h 24m 2 stops
Lucky2Go
$226
View this ticket
Route characteristics
Distance
2 423 km
Flight time
3h 21m
Time difference
-1h
Minimum price
from $139 (24.11.2026)
Average price
$167
Maximum price
$226
Cheapest day
Wednesday
Departure airports (1)
PHL Philadelphia International Airport
Arrival airports (1)
SAT San Antonio International Airport
Airlines (1)
F9 Frontier Airlines
Agencies (2)
Farera Lucky2Go
Prices by day of week
Tuesday
$226
avg $226
Wednesday
$139
avg $139
Cheapest
Thursday
$162
avg $162
Airlines — cheapest prices 1
Frontier Airlines
Frontier Airlines
Low-cost 3 flights · 3 days
$139
Where to buy tickets 2
Farera
2 tickets · 2 days
from $139
Lucky2Go
1 tickets · 1 days
from $226
Airports

From — Philadelphia (1)

  • PHL Philadelphia International Airport

To — San Antonio (1)

  • SAT San Antonio International Airport
Other destinations from Philadelphia
Dallas
US · Hub
Miami
US · Hub
Seattle
US
Atlanta
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Cincinnati
US
Memphis
US
Minneapolis
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Salt Lake City
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Cancun
MX
Denver
US · Hub
Punta Cana
DO
Frankfurt
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Frequently asked questions about the route Philadelphia — San Antonio
How long is the flight from Philadelphia to San Antonio?
Approximate flight time — 3h 21m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from Philadelphia to San Antonio?
The straight-line distance — 2 423 km.
How much do flights from Philadelphia to San Antonio cost?
The minimum price over 3 months — from $139 on 24.11.2026.
What is the average ticket price?
The average price — $167. Range: $139 — $226.
What is the time difference between Philadelphia and San Antonio?
The difference — -1h.
From which airports does Philadelphia operate flights?
From Philadelphia: PHL (Philadelphia International Airport).
To which airports in San Antonio do flights arrive?
To San Antonio: SAT (San Antonio International Airport).
Which airlines fly this route?
This route is served by 1 airline: Frontier Airlines.
Which day of the week is cheapest?
The cheapest day of the week — Wednesday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route Philadelphia — San Antonio

Flights Philadelphia — San Antonio is a popular route. The straight-line distance is 2 423 km. Flight time 3h 21m. Time difference -1h.

From Philadelphia (PHL) flights depart from 1 airport: PHL. To San Antonio (SAT) — 1 arrival airport: SAT.

1 airline operate on this route: Frontier Airlines.

The minimum price for the next 3 months — from $139 (24.11.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $167, ranging from $139 to $226. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Wednesday.

Other destinations in United States from Philadelphia
Dallas
US
Miami
US
Seattle
US
Atlanta
US
Cincinnati
US
Memphis
US
Minneapolis
US
Salt Lake City
US

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