$115+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SAT
Jun 14 — Jun 211
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 Saturday 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 May 15, 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 May 15, 2026.
This Frontier deal was found by Cheapflights users on 5/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:10 am
PHL
- SAT
1 stop12h 46m
Frontier
Sat 6/138:56 pm
SAT
- PHL
1 stop8h 31m
Frontier
Deal found 5/11![Frontier logo]()
$224
This Frontier deal was found by Cheapflights users on 5/10. 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.
Sat 7/412:42 pm
PHL
- SAT
1 stop7h 14m
Frontier
Tue 7/78:59 pm
SAT
- PHL
1 stop8h 23m
Frontier
Deal found 5/10![Frontier logo]()
$230
This Booking.com deal was found by Cheapflights users on 5/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Sat 6/67:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Deal found 5/10![Frontier logo]()
$237
This Frontier deal was found by Cheapflights users on 5/10. 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.
Sat 5/3010:40 am
PHL
- SAT
1 stop10h 34m
Frontier
Tue 6/27:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Deal found 5/10![Frontier logo]()
$240
This Expedia deal was found by Cheapflights users on 5/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/69:16 pm
PHL
- SAT
1 stop19h 25m
Frontier
Mon 8/107:51 pm
SAT
- PHL
1 stop8h 48m
Frontier
Deal found 5/12![Frontier logo]()
$244
This Trip.com deal was found by Cheapflights users on 5/10. 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.
Mon 6/18:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Mon 6/297:51 pm
SAT
- PHL
1 stop8h 47m
Frontier
Deal found 5/10![Frontier logo]()
$246
This Frontier deal was found by Cheapflights users on 5/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1111:00 am
PHL
- SAT
1 stop10h 11m
Frontier
Mon 6/157:51 pm
SAT
- PHL
1 stop8h 47m
Frontier
Deal found 5/13![Frontier logo]()
$250
This Super.com deal was found by Cheapflights users on 5/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Sun 6/77:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Deal found 5/12![Frontier logo]()
$251
This Booking.com deal was found by Cheapflights users on 5/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:35 pm
PHL
- SAT
1 stop23h 21m
Frontier
Wed 6/107:51 pm
SAT
- PHL
1 stop14h 56m
Frontier
Deal found 5/13![Frontier logo]()
$252
This Super.com deal was found by Cheapflights users on 5/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Sun 6/77:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Deal found 5/12![Frontier logo]()
$257
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 May 15, 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 May 15, 2026.
This Southwest deal was found by Cheapflights users on 5/15. 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 6/246:20 am
PHL
- SAT
2 stops7h 25m
Southwest
Tue 6/309:20 am
SAT
- PHL
1 stop5h 50m
Southwest
Deal found 5/15![Southwest logo]()
$432
This United Airlines deal was found by Cheapflights users on 5/10. 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.
Wed 6/246:10 am
PHL
- SAT
2 stops11h 20m
United Airlines
Tue 6/306:40 am
SAT
- PHL
1 stop7h 07m
United Airlines
Deal found 5/10![United Airlines logo]()
$536
This Southwest deal was found by Cheapflights users on 5/11. 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 6/106:20 am
PHL
- SAT
2 stops7h 25m
Southwest
Fri 6/124:50 pm
SAT
- PHL
1 stop6h 00m
Southwest
Deal found 5/11![Southwest logo]()
$489
This United Airlines deal was found by Cheapflights users on 5/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/15:00 pm
PHL
- SAT
1 stop6h 57m
United Airlines
Tue 8/45:30 am
SAT
- PHL
2 stops11h 22m
United Airlines
Deal found 5/13![United Airlines logo]()
$536
This Southwest deal was found by Cheapflights users on 5/14. 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.
Sun 6/145:30 am
PHL
- SAT
1 stop5h 45m
Southwest
Wed 6/177:25 am
SAT
- PHL
2 stops7h 45m
Southwest
Deal found 5/14![Southwest logo]()
$489
This Southwest deal was found by Cheapflights users on 5/14. 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 7/306:05 am
PHL
- SAT
2 stops8h 20m
Southwest
Tue 8/47:35 am
SAT
- PHL
2 stops7h 25m
Southwest
Deal found 5/14![Southwest logo]()
$494
This Southwest deal was found by Cheapflights users on 5/14. 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 5/2912:20 pm
PHL
- SAT
2 stops11h 40m
Southwest
Sun 5/315:25 am
SAT
- PHL
2 stops7h 00m
Southwest
Deal found 5/14![Southwest logo]()
$494
This Southwest deal was found by Cheapflights users on 5/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:25 pm
PHL
- SAT
1 stop5h 40m
Southwest
Mon 11/97:30 am
SAT
- PHL
1 stop5h 20m
Southwest
Deal found 5/13![Southwest logo]()
$499
This Southwest deal was found by Cheapflights users on 5/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:25 am
PHL
- SAT
2 stops8h 25m
Southwest
Sun 9/133:50 pm
SAT
- PHL
1 stop5h 55m
Southwest
Deal found 5/12![Southwest logo]()
$540
This Southwest deal was found by Cheapflights users on 5/14. 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 9/116:20 am
PHL
- SAT
1 stop5h 15m
Southwest
Fri 9/111:00 pm
SAT
- PHL
2 stops7h 50m
Southwest
Deal found 5/14![Southwest logo]()
$540
This Southwest deal was found by Cheapflights users on 5/14. 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 7/245:20 pm
PHL
- SAT
2 stops7h 10m
Southwest
Sun 7/269:45 am
SAT
- PHL
2 stops7h 45m
Southwest
Deal found 5/14![Southwest logo]()
$545
This Southwest deal was found by Cheapflights users on 5/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:05 am
PHL
- SAT
2 stops8h 20m
Southwest
Sun 6/143:05 pm
SAT
- PHL
2 stops8h 05m
Southwest
Deal found 5/12![Southwest logo]()
$545
Last-minute flights from Philadelphia to San AntonioDiscover last-minute flight deals from Philadelphia to San Antonio. Data last updated May 15, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to San Antonio. Data last updated May 15, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 5/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Mon 6/17:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Deal found 5/10![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 5/10. 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.
Sat 5/3010:40 am
PHL
- SAT
1 stop10h 34m
Frontier
Tue 6/27:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Deal found 5/10![Frontier logo]()
$240
This Trip.com deal was found by Cheapflights users on 5/10. 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.
Mon 6/18:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Mon 6/297:51 pm
SAT
- PHL
1 stop8h 47m
Frontier
Deal found 5/10![Frontier logo]()
$246
This Booking.com deal was found by Cheapflights users on 5/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Sat 6/67:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Deal found 5/10![Frontier logo]()
$237
This Super.com deal was found by Cheapflights users on 5/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Sun 6/77:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Deal found 5/12![Frontier logo]()
$251
This Super.com deal was found by Cheapflights users on 5/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Sun 6/77:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Deal found 5/12![Frontier logo]()
$257
This Booking.com deal was found by Cheapflights users on 5/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:35 pm
PHL
- SAT
1 stop23h 21m
Frontier
Wed 6/107:51 pm
SAT
- PHL
1 stop14h 56m
Frontier
Deal found 5/13![Frontier logo]()
$252
This Frontier deal was found by Cheapflights users on 5/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:10 am
PHL
- SAT
1 stop12h 46m
Frontier
Sat 6/138:56 pm
SAT
- PHL
1 stop8h 31m
Frontier
Deal found 5/11![Frontier logo]()
$224
This Frontier deal was found by Cheapflights users on 5/12. 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 6/1011:00 am
PHL
- SAT
1 stop10h 11m
Frontier
Sat 6/138:56 pm
SAT
- PHL
1 stop8h 31m
Frontier
Deal found 5/12![Frontier logo]()
$244
This Frontier deal was found by Cheapflights users on 5/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1111:00 am
PHL
- SAT
1 stop10h 11m
Frontier
Mon 6/157:51 pm
SAT
- PHL
1 stop8h 47m
Frontier
Deal found 5/13![Frontier logo]()
$250
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 May 15, 2026.
Search for one-way flight options from Philadelphia to San Antonio. Find affordable one-way fares based on user searches. Data last updated May 15, 2026.
This Priceline deal was found by Cheapflights users on 5/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/811:06 am
PHL
- SAT
1 stop10h 08m
Frontier
Deal found 5/13![Frontier logo]()
$115
This Frontier deal was found by Cheapflights users on 5/12. 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.
Sat 8/811:06 am
PHL
- SAT
1 stop10h 08m
Frontier
Deal found 5/12![Frontier logo]()
$119
This Super.com deal was found by Cheapflights users on 5/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/278:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Deal found 5/12![Frontier logo]()
$120
This Expedia deal was found by Cheapflights users on 5/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:10 am
PHL
- SAT
1 stop12h 46m
Frontier
Deal found 5/13![Frontier logo]()
$121
This Trip.com deal was found by Cheapflights users on 5/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Deal found 5/11![Frontier logo]()
$123
This Super.com deal was found by Cheapflights users on 5/13. 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.
Thu 6/1111:00 am
PHL
- SAT
1 stop10h 11m
Frontier
Deal found 5/13![Frontier logo]()
$124
This Frontier deal was found by Cheapflights users on 5/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/611:06 am
PHL
- SAT
1 stop10h 08m
Frontier
Deal found 5/13![Frontier logo]()
$125
This Super.com deal was found by Cheapflights users on 5/14. 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.
Sat 6/1311:00 am
PHL
- SAT
1 stop10h 11m
Frontier
Deal found 5/14![Frontier logo]()
$128
This Frontier deal was found by Cheapflights users on 5/14. 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.
Sat 7/1111:06 am
PHL
- SAT
1 stop10h 08m
Frontier
Deal found 5/14![Frontier logo]()
$129
This Super.com deal was found by Cheapflights users on 5/10. 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 6/58:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Deal found 5/10![Frontier logo]()
$130
This Frontier deal was found by Cheapflights users on 5/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/65:21 am
PHL
- SAT
1 stop11h 20m
Frontier
Deal found 5/13![Frontier logo]()
$131
This Super.com deal was found by Cheapflights users on 5/14. 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.
Thu 7/911:06 am
PHL
- SAT
1 stop10h 08m
Frontier
Deal found 5/14![Frontier logo]()
$134
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 May 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $224 (Frontier) |
One-way from | $115 (Priceline) |
Popular in | November |
Cheapest in | April |
Average price | $514 |
Good round-trip deal | $484 or less |
Good one-way deal | $277 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 May 15, 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
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Wed 6/24
6:20 am-12:45 pm
2 stops7h 25m
San Antonio
Tue 6/30
9:20 am-4:10 pm
1 stop5h 50m
$432
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Wed 6/10
6:20 am-12:45 pm
2 stops7h 25m
San Antonio
Fri 6/12
4:50 pm-11:50 pm
1 stop6h 00m
$489
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Sun 6/14
5:30 am-10:15 am
1 stop5h 45m
San Antonio
Wed 6/17
7:25 am-4:10 pm
2 stops7h 45m
$489
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Thu 7/30
6:05 am-1:25 pm
2 stops8h 20m
San Antonio
Tue 8/4
7:35 am-4:00 pm
2 stops7h 25m
$494
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Fri 5/29
12:20 pm-11:00 pm
2 stops11h 40m
San Antonio
Sun 5/31
5:25 am-1:25 pm
2 stops7h 00m
$494
Quickest round-trip
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Fri 11/6
7:25 pm-12:05 am
1 stop5h 40m
San Antonio
Mon 11/9
7:30 am-1:50 pm
1 stop5h 20m
$499
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Wed 6/24
6:10 am-4:30 pm
2 stops11h 20m
San Antonio
Tue 6/30
6:40 am-2:47 pm
1 stop7h 07m
$536
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Sat 8/1
5:00 pm-10:57 pm
1 stop6h 57m
San Antonio
Tue 8/4
5:30 am-5:52 pm
2 stops11h 22m
$536
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Fri 9/11
5:25 am-12:50 pm
2 stops8h 25m
San Antonio
Sun 9/13
3:50 pm-10:45 pm
1 stop5h 55m
$540
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Fri 9/11
6:20 am-10:35 am
1 stop5h 15m
San Antonio
Fri 9/11
1:00 pm-9:50 pm
2 stops7h 50m
$540
Showing 1-10 of 23 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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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
Airlines
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 $360). Flying from Philadelphia to San Antonio in November is currently the most expensive (average of $547). 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 May 15, 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 26% of weekly flights between Philadelphia and San Antonio have experienced delays in the past year, with the average delay time being 191 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?
Monday 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 25% 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 May 15, 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.
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Philadelphia
Popular flights
San Antonio flight routes
Alternative routes for Philadelphia to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Antonio by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Philadelphia to San Antonio by cabin class
Find flights from Philadelphia to San Antonio, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Philadelphia and San Antonio flights
Browse other Philadelphia and San Antonio flight options. Last updated on May 15, 2026.
Other flights from Philadelphia
Browse through other flights departing from Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on May 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Antonio
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 15, 2026.
Top 6 airlines flying from Philadelphia to San Antonio
Discover the top 6 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 May 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$136 | Average$250 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$198 | Average$443 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$210 | Average$268 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$245 | Average$501 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$268 | Average$512 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$328 | Average$542 | FlexibilityNo cancel fee | On-time69% |