$80+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SAT
Jun 2 — Jun 91
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 October or September, booked 82 days in advance, depart on a Saturday or Wednesday and return on a Wednesday
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 3, 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 3, 2026.
This Frontier deal was found by Cheapflights users on 4/29. 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 6/2712:42 pm
PHL
- SAT
1 stop7h 14m
Frontier
Tue 6/308:56 pm
SAT
- PHL
1 stop8h 31m
Frontier
Deal found 4/29![Frontier logo]()
$224
This Frontier deal was found by Cheapflights users on 4/30. 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 5/2310:40 am
PHL
- SAT
1 stop10h 34m
Frontier
Mon 5/257:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Deal found 4/30![Frontier logo]()
$225
This Expedia deal was found by Cheapflights users on 4/28. 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.
Sun 5/176:45 am
PHL
- SAT
1 stop10h 31m
Multiple Airlines
Sun 5/247:54 pm
SAT
- PHL
1 stop8h 43m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$229
This Frontier deal was found by Cheapflights users on 4/28. 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.
Fri 5/2910:40 am
PHL
- SAT
1 stop10h 34m
Frontier
Sun 5/317:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Deal found 4/28![Frontier logo]()
$230
This Expedia deal was found by Cheapflights users on 4/30. 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 6/46:45 am
PHL
- SAT
1 stop12h 17m
Multiple Airlines
Mon 6/87:54 pm
SAT
- PHL
1 stop14h 53m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$234
This Booking.com deal was found by Cheapflights users on 4/30. 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.
Sun 5/318:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Fri 6/127:51 pm
SAT
- PHL
1 stop8h 47m
Frontier
Deal found 4/30![Frontier logo]()
$237
This Trip.com deal was found by Cheapflights users on 4/28. 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 5/118:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Sat 5/167:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Deal found 4/28![Frontier logo]()
$241
This Cheapflightsfares deal was found by Cheapflights users on 5/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:45 am
PHL
- SAT
1 stop12h 17m
Spirit Airlines
Thu 6/47:07 pm
SAT
- PHL
1 stop13h 18m
Spirit Airlines
Deal found 5/1![Spirit Airlines logo]()
$243
This Frontier deal was found by Cheapflights users on 4/30. 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 6/1311:00 am
PHL
- SAT
1 stop10h 11m
Frontier
Sat 6/208:56 pm
SAT
- PHL
1 stop8h 31m
Frontier
Deal found 4/30![Frontier logo]()
$244
This Orbitz deal was found by Cheapflights users on 5/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:05 am
PHL
- SAT
1 stop9h 44m
Multiple Airlines
Sun 6/287:51 pm
SAT
- PHL
1 stop8h 47m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$249
This Frontier deal was found by Cheapflights users on 4/30. 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.
Fri 7/2412:44 pm
PHL
- SAT
1 stop7h 10m
Frontier
Sun 7/268:59 pm
SAT
- PHL
1 stop8h 23m
Frontier
Deal found 4/30![Frontier logo]()
$250
This Booking.com deal was found by Cheapflights users on 4/30. 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.
Sat 5/98:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Mon 5/117:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Deal found 4/30![Frontier logo]()
$252
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 3, 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 3, 2026.
This Southwest deal was found by Cheapflights users on 4/30. 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 10/75:20 pm
PHL
- SAT
1 stop5h 00m
Southwest
Sat 10/175:50 am
SAT
- PHL
1 stop5h 35m
Southwest
Deal found 4/30![Southwest logo]()
$416
This Delta deal was found by Cheapflights users on 5/1. 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.
Wed 6/39:45 am
PHL
- SAT
1 stop7h 07m
Delta
Wed 7/86:40 am
SAT
- PHL
1 stop8h 24m
Delta
Deal found 5/1![Delta logo]()
$421
This United Airlines deal was found by Cheapflights users on 5/2. 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 6/28:05 am
PHL
- SAT
2 stops8h 34m
United Airlines
Sat 6/61:20 pm
SAT
- PHL
1 stop6h 59m
United Airlines
Deal found 5/2![United Airlines logo]()
$536
This Southwest deal was found by Cheapflights users on 5/2. 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 8/53:00 pm
PHL
- SAT
2 stops7h 30m
Southwest
Sat 8/86:10 am
SAT
- PHL
2 stops9h 00m
Southwest
Deal found 5/2![Southwest logo]()
$452
This Southwest deal was found by Cheapflights users on 4/28. 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 10/285:20 pm
PHL
- SAT
1 stop5h 00m
Southwest
Sun 11/19:15 am
SAT
- PHL
1 stop8h 30m
Southwest
Deal found 4/28![Southwest logo]()
$469
This Southwest deal was found by Cheapflights users on 4/29. 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.
Sat 6/274:30 pm
PHL
- SAT
1 stop6h 35m
Southwest
Sat 7/45:20 am
SAT
- PHL
2 stops8h 50m
Southwest
Deal found 4/29![Southwest logo]()
$479
This Southwest deal was found by Cheapflights users on 4/28. 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 6/306:20 am
PHL
- SAT
2 stops7h 25m
Southwest
Mon 7/63:10 pm
SAT
- PHL
2 stops8h 10m
Southwest
Deal found 4/28![Southwest logo]()
$483
This Southwest deal was found by Cheapflights users on 5/3. 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 9/3012:35 pm
PHL
- SAT
1 stop9h 50m
Southwest
Sun 10/45:40 am
SAT
- PHL
1 stop6h 45m
Southwest
Deal found 5/3![Southwest logo]()
$486
This Southwest deal was found by Cheapflights users on 5/2. 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.
Mon 6/298:00 am
PHL
- SAT
2 stops7h 30m
Southwest
Thu 7/23:10 pm
SAT
- PHL
2 stops7h 40m
Southwest
Deal found 5/2![Southwest logo]()
$565
This Southwest deal was found by Cheapflights users on 5/2. 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 5/2![Southwest logo]()
$565
Last-minute flights from Philadelphia to San AntonioDiscover last-minute flight deals from Philadelphia to San Antonio. Data last updated May 3, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to San Antonio. Data last updated May 3, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 4/30. 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.
Sat 5/98:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Mon 5/117:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Deal found 4/30![Frontier logo]()
$252
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/108:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Sun 5/247:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Deal found 4/28![Frontier logo]()
$257
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/118:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Sat 5/167:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Deal found 4/29![Frontier logo]()
$230
This Gotogate deal was found by Cheapflights users on 4/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/148:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Mon 5/187:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Deal found 4/29![Frontier logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Sat 5/168:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Tue 5/197:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Deal found 5/2![Frontier logo]()
$258
This Expedia deal was found by Cheapflights users on 4/28. 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.
Sun 5/176:45 am
PHL
- SAT
1 stop10h 31m
Multiple Airlines
Sun 5/247:54 pm
SAT
- PHL
1 stop8h 43m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$229
This Frontier deal was found by Cheapflights users on 4/30. 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 5/2110:40 am
PHL
- SAT
1 stop10h 34m
Frontier
Sat 5/237:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Deal found 4/30![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 4/30. 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 5/2310:40 am
PHL
- SAT
1 stop10h 34m
Frontier
Mon 5/257:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Deal found 4/30![Frontier logo]()
$225
This CheapOair deal was found by Cheapflights users on 4/29. 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.
Sun 5/246:45 am
PHL
- SAT
1 stop10h 31m
Multiple Airlines
Sun 5/317:54 pm
SAT
- PHL
1 stop8h 43m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$264
This Booking.com deal was found by Cheapflights users on 4/30. 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.
Sun 5/318:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Fri 6/127:51 pm
SAT
- PHL
1 stop8h 47m
Frontier
Deal found 4/30![Frontier logo]()
$237
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 3, 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 3, 2026.
This Frontier deal was found by Cheapflights users on 4/30. 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 5/2310:40 am
PHL
- SAT
1 stop10h 34m
Frontier
Deal found 4/30![Frontier logo]()
$80
This Booking.com deal was found by Cheapflights users on 4/29. 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.
Tue 5/268:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Deal found 4/29![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Sat 5/3010:40 am
PHL
- SAT
1 stop10h 34m
Frontier
Deal found 5/2![Frontier logo]()
$104
This Super.com deal was found by Cheapflights users on 5/1. 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 5/168:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Deal found 5/1![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Sat 6/68:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Deal found 5/2![Frontier logo]()
$110
This Booking.com deal was found by Cheapflights users on 5/1. 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.
Tue 6/28:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Deal found 5/1![Frontier logo]()
$112
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:45 am
PHL
- SAT
1 stop10h 31m
Spirit Airlines
Deal found 4/30![Spirit Airlines logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Sun 5/318:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Deal found 5/2![Frontier logo]()
$118
This Priceline deal was found by Cheapflights users on 4/30. 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.
Sat 6/2711:00 am
PHL
- SAT
1 stop10h 11m
Frontier
Deal found 4/30![Frontier logo]()
$119
This Frontier deal was found by Cheapflights users on 4/30. 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.
Fri 6/2611:00 am
PHL
- SAT
1 stop10h 11m
Frontier
Deal found 4/30![Frontier logo]()
$125
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 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $224 (Frontier) |
One-way from | $80 (Frontier) |
Popular in | November |
Cheapest in | October |
Average price | $494 |
Good round-trip deal | $507 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 3, 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 - SAT
PHLSAT
Philadelphia
Wed 10/7
5:20 pm-9:20 pm
1 stop5h 00m
San Antonio
Sat 10/17
5:50 am-12:25 pm
1 stop5h 35m
$416
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Wed 6/3
9:45 am-3:52 pm
1 stop7h 07m
San Antonio
Wed 7/8
6:40 am-4:04 pm
1 stop8h 24m
$421
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Wed 8/5
3:00 pm-9:30 pm
2 stops7h 30m
San Antonio
Sat 8/8
6:10 am-4:10 pm
2 stops9h 00m
$452
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Wed 10/28
5:20 pm-9:20 pm
1 stop5h 00m
San Antonio
Sun 11/1
9:15 am-6:45 pm
1 stop8h 30m
$469
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Sat 6/27
4:30 pm-10:05 pm
1 stop6h 35m
San Antonio
Sat 7/4
5:20 am-3:10 pm
2 stops8h 50m
$479
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Tue 6/30
6:20 am-12:45 pm
2 stops7h 25m
San Antonio
Mon 7/6
3:10 pm-12:20 am
2 stops8h 10m
$483
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Wed 9/30
12:35 pm-9:25 pm
1 stop9h 50m
San Antonio
Sun 10/4
5:40 am-1:25 pm
1 stop6h 45m
$486
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Tue 6/2
8:05 am-3:39 pm
2 stops8h 34m
San Antonio
Sat 6/6
1:20 pm-9:19 pm
1 stop6h 59m
$536
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Mon 6/29
8:00 am-2:30 pm
2 stops7h 30m
San Antonio
Thu 7/2
3:10 pm-11:50 pm
2 stops7h 40m
$565
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Fri 7/24
5:20 pm-11:30 pm
2 stops7h 10m
San Antonio
Sun 7/26
9:45 am-6:30 pm
2 stops7h 45m
$565
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 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 Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| 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
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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, October is the cheapest month in which you can book a flight from Philadelphia to San Antonio (average of $404). 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 3, 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 184 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 50% 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.
Nashville (BNA) is the most affordable 1-stop option, with an average round-trip price of $445.
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 3, 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
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
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
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Philadelphia and San Antonio flights
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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 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$136 | Average$250 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$198 | Average$442 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$210 | Average$271 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$244 | Average$499 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$268 | Average$512 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$328 | Average$540 | FlexibilityNo cancel fee | On-time69% |