$83+ Cheap flights from Philadelphia to San Antonio (PHL - SAT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SAT
Sep 12 — Sep 191
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to San Antonio with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Philadelphia to San Antonio are usually found in April or October, booked 82 days in advance, depart on a Friday or Wednesday and return on a Tuesday
Cheap flight deals from Philadelphia to San Antonio
Cheapest
Best
Last-minute
One-way
Cheapest flights from Philadelphia to San AntonioExplore the most affordable flight options available from Philadelphia to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2026.
Explore the most affordable flight options available from Philadelphia to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2026.
This Expedia deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:00 am -
1 stop15h 29m
Sun 8/3010:24 pm -
1 stop31h 06m
Deal found 8/9![Frontier logo]()
$158
This Super.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/213:00 pm -
1 stop18h 56m
Sun 8/2310:24 pm -
1 stop31h 06m
Deal found 8/10![Frontier logo]()
$169
This Trip.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:45 pm -
1 stop16h 25m
Fri 9/1810:05 am -
1 stop13h 04m
Deal found 8/10![Frontier logo]()
$177
This Frontier deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:01 pm -
1 stop11h 55m
Mon 8/318:26 pm -
1 stop8h 13m
Deal found 8/12![Frontier logo]()
$178
This Super.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:16 pm -
1 stop16h 40m
Tue 8/2510:24 pm -
1 stop31h 06m
Deal found 8/13![Frontier logo]()
$189
This Expedia deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:01 pm -
1 stop11h 55m
Sat 8/229:51 am -
1 stop20h 43m
Deal found 8/9![Frontier logo]()
$193
This CheapOair deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/283:00 pm -
1 stop18h 56m
Fri 9/48:26 pm -
1 stop8h 13m
Deal found 8/9![Frontier logo]()
$206
This Trip.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:37 am -
1 stop23h 30m
Mon 9/2110:05 am -
1 stop22h 25m
Deal found 8/9![Frontier logo]()
$212
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:20 am -
1 stop5h 15m
Sat 9/121:10 pm -
1 stop8h 45m
Deal found 8/9![Southwest logo]()
$216
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:05 pm -
2 stops7h 25m
Tue 9/83:30 pm -
1 stop5h 25m
Deal found 8/9![Southwest logo]()
$221
This Expedia deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1211:06 am -
1 stop10h 31m
Sun 8/169:32 pm -
1 stop31h 28m
Deal found 8/9![Frontier logo]()
$223
Best flights from Philadelphia to San AntonioDiscover carefully curated flight deals from Philadelphia to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 13, 2026.
Discover carefully curated flight deals from Philadelphia to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 13, 2026.
This Delta deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/205:20 am -
1 stop5h 27m
Wed 9/236:10 pm -
1 stop5h 30m
Deal found 8/8![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/162:45 pm -
2 stops7h 50m
Tue 9/221:30 pm -
2 stops7h 25m
Deal found 8/11![Southwest logo]()
$381
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:15 pm -
1 stop5h 36m
Wed 9/307:00 am -
1 stop6h 20m
Deal found 8/10![United Airlines logo]()
$541
This Delta deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:23 pm -
1 stop6h 10m
Tue 10/276:00 am -
1 stop7h 10m
Deal found 8/8![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/52:10 pm -
1 stop6h 38m
Sun 11/86:00 am -
1 stop7h 10m
Deal found 8/9![Delta logo]()
$427
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
2 stops7h 25m
Fri 10/163:20 pm -
2 stops6h 50m
Deal found 8/11![Southwest logo]()
$518
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:08 pm -
1 stop6h 42m
Tue 10/279:35 am -
2 stops11h 03m
Deal found 8/12![United Airlines logo]()
$603
This Southwest deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:55 am -
2 stops8h 00m
Sun 10/254:15 pm -
2 stops7h 05m
Deal found 8/8![Southwest logo]()
$575
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:55 am -
2 stops8h 00m
Sun 10/256:15 am -
2 stops6h 50m
Deal found 8/11![Southwest logo]()
$575
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/278:10 am -
1 stop11h 36m
Fri 10/26:10 pm -
1 stop5h 30m
Deal found 8/10![Delta logo]()
$601
Last-minute flights from Philadelphia to San AntonioDiscover last-minute flight deals from Philadelphia to San Antonio. Data last updated August 13, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to San Antonio. Data last updated August 13, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1211:06 am -
1 stop10h 31m
Sun 8/169:32 pm -
1 stop31h 28m
Deal found 8/9![Frontier logo]()
$223
This Expedia deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:01 pm -
1 stop11h 55m
Sat 8/229:51 am -
1 stop20h 43m
Deal found 8/9![Frontier logo]()
$193
This Super.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/213:00 pm -
1 stop18h 56m
Sun 8/2310:24 pm -
1 stop31h 06m
Deal found 8/10![Frontier logo]()
$169
This Super.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:16 pm -
1 stop16h 40m
Tue 8/2510:24 pm -
1 stop31h 06m
Deal found 8/13![Frontier logo]()
$189
This Expedia deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:00 am -
1 stop15h 29m
Sun 8/3010:24 pm -
1 stop31h 06m
Deal found 8/9![Frontier logo]()
$158
This Frontier deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:01 pm -
1 stop11h 55m
Mon 8/318:26 pm -
1 stop8h 13m
Deal found 8/12![Frontier logo]()
$178
This CheapOair deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/283:00 pm -
1 stop18h 56m
Fri 9/48:26 pm -
1 stop8h 13m
Deal found 8/9![Frontier logo]()
$206
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:05 pm -
2 stops7h 25m
Tue 9/83:30 pm -
1 stop5h 25m
Deal found 8/9![Southwest logo]()
$221
This Trip.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:45 pm -
1 stop16h 25m
Fri 9/1810:05 am -
1 stop13h 04m
Deal found 8/10![Frontier logo]()
$177
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:20 am -
1 stop5h 15m
Sat 9/121:10 pm -
1 stop8h 45m
Deal found 8/9![Southwest logo]()
$216
This Trip.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:37 am -
1 stop23h 30m
Mon 9/2110:05 am -
1 stop22h 25m
Deal found 8/9![Frontier logo]()
$212
One-way flights from Philadelphia to San AntonioSearch for one-way flight options from Philadelphia to San Antonio. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
Search for one-way flight options from Philadelphia to San Antonio. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
This Super.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:37 pm -
1 stop23h 54m
Deal found 8/9![Frontier logo]()
$83
This Super.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:00 am -
1 stop14h 29m
Deal found 8/11![Frontier logo]()
$84
This Frontier deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:16 pm -
1 stop12h 51m
Deal found 8/10![Frontier logo]()
$85
This Trip.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:30 pm -
1 stop18h 40m
Deal found 8/10![Frontier logo]()
$88
This Frontier deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:00 am -
1 stop14h 29m
Deal found 8/12![Frontier logo]()
$95
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:35 pm -
1 stop5h 25m
Deal found 8/9![Southwest logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:40 pm -
2 stops22h 33m
Deal found 8/11![Multiple Airlines logo]()
$110
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:25 am -
2 stops8h 25m
Deal found 8/10![Southwest logo]()
$113
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:59 pm -
1 stop6h 29m
Deal found 8/12![Delta logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:30 am -
1 stop24h 15m
Deal found 8/10![Multiple Airlines logo]()
$115
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/235:15 am -
1 stop5h 33m
Deal found 8/12![Delta logo]()
$119
This Frontier deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:00 am -
1 stop14h 29m
Deal found 8/9![Frontier logo]()
$120
Find flight deals from Philadelphia to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $158 (Expedia) |
One-way from | $83 (Super.com) |
Popular in | November |
Cheapest in | April |
Average price | $440 |
Good round-trip deal | $349 or less |
Good one-way deal | $464 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 13, 2026.
Use the filters below to find and compare flights from Philadelphia to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
PhiladelphiaSan Antonio
PHL Philadelphia - SAT San Antonio
PHLSAT
Philadelphia
Sun 9/20
5:20 am-9:47 am
1 stop5h 27m
San Antonio
Wed 9/23
6:10 pm-12:40 am
1 stop5h 30m
$277
PhiladelphiaSan Antonio
PHL Philadelphia - SAT San Antonio
PHLSAT
Philadelphia
Fri 10/23
7:23 pm-12:33 am
1 stop6h 10m
San Antonio
Tue 10/27
6:00 am-2:10 pm
1 stop7h 10m
$277
PhiladelphiaSan Antonio
PHL Philadelphia - SAT San Antonio
PHLSAT
Philadelphia
Wed 9/16
2:45 pm-9:35 pm
2 stops7h 50m
San Antonio
Tue 9/22
1:30 pm-9:55 pm
2 stops7h 25m
$381
PhiladelphiaSan Antonio
PHL Philadelphia - SAT San Antonio
PHLSAT
Philadelphia
Thu 11/5
2:10 pm-7:48 pm
1 stop6h 38m
San Antonio
Sun 11/8
6:00 am-2:10 pm
1 stop7h 10m
$427
PhiladelphiaSan Antonio
PHL Philadelphia - SAT San Antonio
PHLSAT
Philadelphia
Tue 10/13
6:00 am-12:25 pm
2 stops7h 25m
San Antonio
Fri 10/16
3:20 pm-11:10 pm
2 stops6h 50m
$518
PhiladelphiaSan Antonio
PHL Philadelphia - SAT San Antonio
PHLSAT
Philadelphia
Tue 9/29
6:15 pm-10:51 pm
1 stop5h 36m
San Antonio
Wed 9/30
7:00 am-2:20 pm
1 stop6h 20m
$541
PhiladelphiaSan Antonio
PHL Philadelphia - SAT San Antonio
PHLSAT
Philadelphia
Thu 10/22
6:55 am-1:55 pm
2 stops8h 00m
San Antonio
Sun 10/25
4:15 pm-12:20 am
2 stops7h 05m
$575
PhiladelphiaSan Antonio
PHL Philadelphia - SAT San Antonio
PHLSAT
Philadelphia
Fri 10/23
6:55 am-1:55 pm
2 stops8h 00m
San Antonio
Sun 10/25
6:15 am-2:05 pm
2 stops6h 50m
$575
PhiladelphiaSan Antonio
PHL Philadelphia - SAT San Antonio
PHLSAT
Philadelphia
Sun 9/27
8:10 am-6:46 pm
1 stop11h 36m
San Antonio
Fri 10/2
6:10 pm-12:40 am
1 stop5h 30m
$601
PhiladelphiaSan Antonio
PHL Philadelphia - SAT San Antonio
PHLSAT
Philadelphia
Fri 10/23
5:08 pm-10:50 pm
1 stop6h 42m
San Antonio
Tue 10/27
9:35 am-9:38 pm
2 stops11h 03m
$603
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Philadelphia to San Antonio
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to San Antonio in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Philadelphia-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-San Antonio flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Philadelphia-San Antonio flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Philadelphia to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Philadelphia with our price prediction graph.
PHL-SAT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Philadelphia to San Antonio
Prices
Delays
More
How far ahead should I book a flight from Philadelphia to San Antonio?
The best time to book flights from Philadelphia to San Antonio is 81 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Philadelphia to San Antonio?
Currently, April is the cheapest month in which you can book a flight from Philadelphia to San Antonio (average of $361). Flying from Philadelphia to San Antonio in November is currently the most expensive (average of $560). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from PHL to SAT?
Find hourly flight availability from Philadelphia to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 13, 2026.
When flying from Philadelphia to San Antonio, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from Philadelphia to San Antonio delayed?
About 24% of weekly flights between Philadelphia and San Antonio have experienced delays in the past year, with the average delay time being 187 minutes.
What is the most punctual flight time for Philadelphia to San Antonio flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Philadelphia to San Antonio flights?
Over the last year, American Airlines have had the lowest number of delays on this route, with just 23% of flights being delayed.
What’s the top layover airport for flights from Philadelphia to San Antonio?
Share of 1-stop round-trip flights from Philadelphia to San Antonio chosen by Cheapflights users in the past 12 months, using the same layover each way.
Houston (IAH) – chosen by Cheapflights users on 33% of 1-stop itineraries from Philadelphia to San Antonio on Cheapflights.
What’s the cheapest layover airport for flights from Philadelphia to San Antonio?
Average round-trip fare for 1-stop flights from Philadelphia to San Antonio, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $315.
What’s the fastest layover option from Philadelphia to San Antonio?
Shortest average travel time for 1-stop one-way flights from Philadelphia to San Antonio, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Houston (IAH) have the shortest average one-way travel time for 1-stop routes: 5h 20m.
Which airport typically offers the quickest layover for flights from Philadelphia to San Antonio?
Average layover duration for 1-stop one-way flights from Philadelphia to San Antonio, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Nashville (BNA) offer the fastest connection on this route, with an average layover time of 0h 50m.
Reviews of airlines servicing San Antonio
Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated August 13, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Philadelphia to San Antonio. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Related info for your journey
Find useful and relevant information for your journey from Philadelphia to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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Top 5 airlines flying from Philadelphia to San Antonio
Discover the top 5 airlines that operate flights from Philadelphia to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$156 | Average$299 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$189 | Average$460 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$216 | Average$512 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$229 | Average$521 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$348 | Average$546 | FlexibilityNo cancel fee | On-time69% |