$76+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SAT
Apr 26 — May 31
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 83 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 March 27, 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 March 27, 2026.
This Booking.com deal was found by Cheapflights users on 3/25. 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 4/78:25 pm
PHL
- SAT
1 stop28h 54m
Frontier
Thu 4/163:00 pm
SAT
- PHL
1 stop13h 34m
Frontier
Deal found 3/25![Frontier logo]()
$218
This United Airlines deal was found by Cheapflights users on 3/23. 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 4/188:00 am
PHL
- SAT
1 stop6h 08m
United Airlines
Tue 4/285:30 am
SAT
- PHL
1 stop5h 13m
United Airlines
Deal found 3/23![United Airlines logo]()
$219
This CheapOair deal was found by Cheapflights users on 3/25. 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.
Mon 4/278:41 pm
PHL
- SAT
1 stop19h 28m
Frontier
Thu 4/303:00 pm
SAT
- PHL
1 stop13h 34m
Frontier
Deal found 3/25![Frontier logo]()
$221
This Expedia deal was found by Cheapflights users on 3/26. 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.
Mon 4/65:01 am
PHL
- SAT
1 stop13h 04m
Frontier
Wed 4/154:49 pm
SAT
- PHL
1 stop11h 45m
Frontier
Deal found 3/26![Frontier logo]()
$225
This CheapOair deal was found by Cheapflights users on 3/22. 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.
Mon 4/65:01 am
PHL
- SAT
1 stop13h 04m
Frontier
Thu 4/96:45 am
SAT
- PHL
1 stop21h 46m
Frontier
Deal found 3/22![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 4/218:36 pm
PHL
- SAT
1 stop20h 17m
Frontier
Thu 4/303:00 pm
SAT
- PHL
1 stop13h 34m
Frontier
Deal found 3/24![Frontier logo]()
$228
This Frontier deal was found by Cheapflights users on 3/24. 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 4/65:01 am
PHL
- SAT
1 stop13h 04m
Frontier
Thu 5/77:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Deal found 3/24![Frontier logo]()
$230
This Frontier deal was found by Cheapflights users on 3/24. 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 4/105:01 am
PHL
- SAT
1 stop13h 04m
Frontier
Thu 5/77:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Deal found 3/24![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 4/258:00 am
PHL
- SAT
1 stop16h 51m
Multiple Airlines
Wed 4/294:49 pm
SAT
- PHL
1 stop11h 45m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$232
This Expedia deal was found by Cheapflights users on 3/24. 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 3/315:00 am
PHL
- SAT
1 stop8h 27m
Multiple Airlines
Sat 4/46:45 am
SAT
- PHL
1 stop21h 49m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$233
This CheapOair deal was found by Cheapflights users on 3/24. 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.
Wed 5/65:45 am
PHL
- SAT
2 stops8h 32m
Multiple Airlines
Sat 5/97:54 pm
SAT
- PHL
1 stop8h 43m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$234
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 March 27, 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 March 27, 2026.
This United Airlines deal was found by Cheapflights users on 3/22. 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 6/56:00 am
PHL
- SAT
1 stop7h 12m
United Airlines
Fri 6/125:18 pm
SAT
- PHL
1 stop6h 27m
United Airlines
Deal found 3/22![United Airlines logo]()
$261
This Southwest deal was found by Cheapflights users on 3/25. 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 5/712:20 pm
PHL
- SAT
2 stops11h 40m
Southwest
Sun 5/105:25 am
SAT
- PHL
2 stops7h 00m
Southwest
Deal found 3/25![Southwest logo]()
$294
This United Airlines deal was found by Cheapflights users on 3/25. 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 6/39:21 am
PHL
- SAT
1 stop7h 42m
United Airlines
Wed 7/85:23 pm
SAT
- PHL
1 stop6h 34m
United Airlines
Deal found 3/25![United Airlines logo]()
$308
This Southwest deal was found by Cheapflights users on 3/22. 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 5/224:30 pm
PHL
- SAT
2 stops7h 30m
Southwest
Tue 5/263:50 pm
SAT
- PHL
1 stop5h 10m
Southwest
Deal found 3/22![Southwest logo]()
$311
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Thu 8/279:52 am
PHL
- SAT
1 stop7h 16m
United Airlines
Sun 8/305:30 am
SAT
- PHL
1 stop5h 28m
United Airlines
Deal found 3/25![United Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 3/24. 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 4/212:00 pm
PHL
- SAT
2 stops7h 15m
Southwest
Thu 4/235:45 am
SAT
- PHL
2 stops6h 40m
Southwest
Deal found 3/24![Southwest logo]()
$316
This United Airlines deal was found by Cheapflights users on 3/22. 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 5/510:38 am
PHL
- SAT
2 stops13h 16m
United Airlines
Wed 5/65:34 pm
SAT
- PHL
1 stop6h 25m
United Airlines
Deal found 3/22![United Airlines logo]()
$314
This Southwest deal was found by Cheapflights users on 3/25. 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 5/136:20 am
PHL
- SAT
2 stops12h 00m
Southwest
Mon 5/183:05 pm
SAT
- PHL
2 stops6h 40m
Southwest
Deal found 3/25![Southwest logo]()
$321
This Southwest deal was found by Cheapflights users on 3/25. 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 6/236:20 am
PHL
- SAT
2 stops7h 25m
Southwest
Tue 6/304:25 pm
SAT
- PHL
1 stop5h 25m
Southwest
Deal found 3/25![Southwest logo]()
$344
This Southwest deal was found by Cheapflights users on 3/24. 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 8/41:55 pm
PHL
- SAT
1 stop7h 10m
Southwest
Tue 8/181:30 pm
SAT
- PHL
2 stops7h 20m
Southwest
Deal found 3/24![Southwest logo]()
$384
Last-minute flights from Philadelphia to San AntonioDiscover last-minute flight deals from Philadelphia to San Antonio. Data last updated March 27, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to San Antonio. Data last updated March 27, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 3/24. 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 3/315:00 am
PHL
- SAT
1 stop8h 27m
Multiple Airlines
Sat 4/46:45 am
SAT
- PHL
1 stop21h 49m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$233
This Expedia deal was found by Cheapflights users on 3/26. 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.
Mon 4/65:01 am
PHL
- SAT
1 stop13h 04m
Frontier
Wed 4/154:49 pm
SAT
- PHL
1 stop11h 45m
Frontier
Deal found 3/26![Frontier logo]()
$225
This CheapOair deal was found by Cheapflights users on 3/22. 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.
Mon 4/65:01 am
PHL
- SAT
1 stop13h 04m
Frontier
Thu 4/96:45 am
SAT
- PHL
1 stop21h 46m
Frontier
Deal found 3/22![Frontier logo]()
$226
This Frontier deal was found by Cheapflights users on 3/24. 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 4/65:01 am
PHL
- SAT
1 stop13h 04m
Frontier
Thu 5/77:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Deal found 3/24![Frontier logo]()
$230
This Booking.com deal was found by Cheapflights users on 3/25. 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 4/78:25 pm
PHL
- SAT
1 stop28h 54m
Frontier
Thu 4/163:00 pm
SAT
- PHL
1 stop13h 34m
Frontier
Deal found 3/25![Frontier logo]()
$218
This CheapOair deal was found by Cheapflights users on 3/27. 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.
Tue 4/78:25 pm
PHL
- SAT
1 stop28h 54m
Frontier
Wed 4/154:49 pm
SAT
- PHL
1 stop11h 45m
Frontier
Deal found 3/27![Frontier logo]()
$235
This Frontier deal was found by Cheapflights users on 3/24. 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 4/105:01 am
PHL
- SAT
1 stop13h 04m
Frontier
Thu 5/77:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Deal found 3/24![Frontier logo]()
$231
This United Airlines deal was found by Cheapflights users on 3/23. 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 4/188:00 am
PHL
- SAT
1 stop6h 08m
United Airlines
Tue 4/285:30 am
SAT
- PHL
1 stop5h 13m
United Airlines
Deal found 3/23![United Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 4/218:36 pm
PHL
- SAT
1 stop20h 17m
Frontier
Thu 4/303:00 pm
SAT
- PHL
1 stop13h 34m
Frontier
Deal found 3/24![Frontier logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 4/258:00 am
PHL
- SAT
1 stop16h 51m
Multiple Airlines
Wed 4/294:49 pm
SAT
- PHL
1 stop11h 45m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$232
This CheapOair deal was found by Cheapflights users on 3/25. 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.
Mon 4/278:41 pm
PHL
- SAT
1 stop19h 28m
Frontier
Thu 4/303:00 pm
SAT
- PHL
1 stop13h 34m
Frontier
Deal found 3/25![Frontier logo]()
$221
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 March 27, 2026.
Search for one-way flight options from Philadelphia to San Antonio. Find affordable one-way fares based on user searches. Data last updated March 27, 2026.
This Southwest deal was found by Cheapflights users on 3/25. 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 4/155:50 am
PHL
- SAT
1 stop7h 05m
Southwest
Deal found 3/25![Southwest logo]()
$76
This Booking.com deal was found by Cheapflights users on 3/25. 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.
Thu 4/161:02 pm
PHL
- SAT
1 stop21h 22m
Frontier
Deal found 3/25![Frontier logo]()
$86
This Southwest deal was found by Cheapflights users on 3/26. 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 5/266:20 am
PHL
- SAT
2 stops12h 00m
Southwest
Deal found 3/26![Southwest logo]()
$87
This Southwest deal was found by Cheapflights users on 3/26. 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 4/166:10 am
PHL
- SAT
1 stop5h 40m
Southwest
Deal found 3/26![Southwest logo]()
$89
This CheapOair deal was found by Cheapflights users on 3/24. 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 4/177:37 pm
PHL
- SAT
1 stop22h 58m
Frontier
Deal found 3/24![Frontier logo]()
$92
This Southwest deal was found by Cheapflights users on 3/26. 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 4/257:45 am
PHL
- SAT
2 stops8h 05m
Southwest
Deal found 3/26![Southwest logo]()
$94
This Southwest deal was found by Cheapflights users on 3/25. 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 4/246:00 pm
PHL
- SAT
1 stop7h 30m
Southwest
Deal found 3/25![Southwest logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 3/26. 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.
Mon 4/278:41 pm
PHL
- SAT
1 stop19h 28m
Frontier
Deal found 3/26![Frontier logo]()
$104
This Super.com deal was found by Cheapflights users on 3/25. 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 4/108:25 pm
PHL
- SAT
1 stop28h 54m
Frontier
Deal found 3/25![Frontier logo]()
$105
This Booking.com deal was found by Cheapflights users on 3/23. 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 4/78:25 pm
PHL
- SAT
1 stop28h 54m
Frontier
Deal found 3/23![Frontier logo]()
$106
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 March 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $218 (Booking.com) |
One-way from | $76 (Southwest) |
Popular in | November |
Cheapest in | April |
Average price | $495 |
Good round-trip deal | $159 or less |
Good one-way deal | $109 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 March 27, 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
Fri 6/5
6:00 am-12:12 pm
1 stop7h 12m
San Antonio
Fri 6/12
5:18 pm-12:45 am
1 stop6h 27m
$261
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Thu 5/7
12:20 pm-11:00 pm
2 stops11h 40m
San Antonio
Sun 5/10
5:25 am-1:25 pm
2 stops7h 00m
$294
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Wed 6/3
9:21 am-4:03 pm
1 stop7h 42m
San Antonio
Wed 7/8
5:23 pm-12:57 am
1 stop6h 34m
$308
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Thu 8/27
9:52 am-4:08 pm
1 stop7h 16m
San Antonio
Sun 8/30
5:30 am-11:58 am
1 stop5h 28m
$309
Quickest round-trip
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Fri 5/22
4:30 pm-11:00 pm
2 stops7h 30m
San Antonio
Tue 5/26
3:50 pm-10:00 pm
1 stop5h 10m
$311
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Tue 5/5
10:38 am-10:54 pm
2 stops13h 16m
San Antonio
Wed 5/6
5:34 pm-12:59 am
1 stop6h 25m
$314
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Tue 4/21
2:00 pm-8:15 pm
2 stops7h 15m
San Antonio
Thu 4/23
5:45 am-1:25 pm
2 stops6h 40m
$316
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Wed 5/13
6:20 am-5:20 pm
2 stops12h 00m
San Antonio
Mon 5/18
3:05 pm-10:45 pm
2 stops6h 40m
$321
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Tue 6/23
6:20 am-12:45 pm
2 stops7h 25m
San Antonio
Tue 6/30
4:25 pm-10:50 pm
1 stop5h 25m
$344
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Tue 8/4
1:55 pm-8:05 pm
1 stop7h 10m
San Antonio
Tue 8/18
1:30 pm-9:50 pm
2 stops7h 20m
$384
Showing 1-10 of 20 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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 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
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How far ahead should I book a flight from Philadelphia to San Antonio?
Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to San Antonio. Price data was last updated on March 13, 2026.
The best time to book flights from Philadelphia to San Antonio is 82 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, December is the cheapest month in which you can book a flight from Philadelphia to San Antonio (average of $56). Flying from Philadelphia to San Antonio in July is currently the most expensive (average of $137). 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.
How much does it cost to fly round-trip from Philadelphia to San Antonio?
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 183 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 in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday 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.
Orlando (MCO) is the most affordable 1-stop option, with an average round-trip price of $250.
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 March 27, 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
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
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
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Philadelphia and San Antonio flights
Browse other Philadelphia and San Antonio flight options. Last updated on March 27, 2026.
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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 March 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$127 | Average$249 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$149 | Average$260 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$233 | Average$447 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$247 | Average$461 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$249 | Average$495 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$328 | Average$506 | FlexibilityNo cancel fee | On-time69% |