$143+ Cheap flights from Philadelphia to San Antonio (PHL - SAT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/22. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SAT
Dec 10 — Dec 171
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 50 days in advance, depart on a Saturday or Friday 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 November 10, 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 November 10, 2026.
This Frontier deal was found by Cheapflights users on 11/5. 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 12/39:59 pm -
1 stop15h 20m
Wed 12/912:32 pm -
1 stop29h 08m
Deal found 11/5![Frontier logo]()
$280
This Mytrip deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/810:17 am -
1 stop26h 23m
Tue 12/156:47 pm -
2 stops21h 39m
Deal found 11/8![Frontier logo]()
$293
This Cheapflightsfares deal was found by Cheapflights users on 11/5. 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.
Mon 12/145:01 am -
1 stop7h 39m
Thu 12/171:34 pm -
1 stop14h 37m
Deal found 11/5![Frontier logo]()
$296
This Frontier deal was found by Cheapflights users on 11/5. 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 12/217:52 pm -
1 stop16h 01m
Thu 12/241:34 pm -
1 stop14h 37m
Deal found 11/5![Frontier logo]()
$298
This Cheapflightsfares deal was found by Cheapflights users on 11/5. 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 12/310:34 am -
1 stop26h 45m
Mon 12/712:32 pm -
1 stop11h 20m
Deal found 11/5![Frontier logo]()
$307
This Frontier deal was found by Cheapflights users on 11/5. 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 12/217:52 pm -
1 stop16h 01m
Fri 12/251:27 pm -
1 stop8h 37m
Deal found 11/5![Frontier logo]()
$314
This Cheapflightsfares deal was found by Cheapflights users on 11/5. 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.
Mon 11/309:55 pm -
1 stop22h 13m
Fri 12/41:14 pm -
1 stop10h 33m
Deal found 11/5![Frontier logo]()
$318
This Frontier deal was found by Cheapflights users on 11/5. 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 12/215:01 am -
1 stop8h 31m
Sat 12/267:15 pm -
1 stop8h 47m
Deal found 11/5![Frontier logo]()
$323
This Mytrip deal was found by Cheapflights users on 11/7. 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.
Fri 12/115:01 am -
1 stop7h 39m
Tue 12/156:47 pm -
2 stops21h 39m
Deal found 11/7![Frontier logo]()
$324
This Cheapflightsfares deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:01 am -
1 stop8h 18m
Wed 12/912:32 pm -
1 stop11h 20m
Deal found 11/9![Frontier logo]()
$328
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 November 10, 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 November 10, 2026.
This Mytrip deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/84:31 pm -
2 stops20h 09m
Tue 12/156:47 pm -
2 stops27h 24m
Deal found 11/9![Frontier logo]()
$400
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/36:00 am -
2 stops8h 06m
Wed 12/94:18 pm -
1 stop5h 38m
Deal found 11/5![United Airlines logo]()
$422
This American Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/81:52 pm -
1 stop7h 00m
Tue 12/152:05 pm -
1 stop6h 26m
Deal found 11/9![American Airlines logo]()
$427
This Delta deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/305:15 am -
1 stop7h 36m
Tue 1/57:38 am -
1 stop5h 37m
Deal found 11/9![Delta logo]()
$427
This Southwest deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/95:35 am -
1 stop6h 00m
Wed 12/1612:50 pm -
2 stops7h 35m
Deal found 11/9![Southwest logo]()
$432
This United Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:00 am -
1 stop6h 14m
Wed 12/164:10 pm -
1 stop5h 46m
Deal found 11/9![United Airlines logo]()
$427
This Southwest deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:45 pm -
2 stops7h 55m
Mon 12/71:00 pm -
2 stops7h 30m
Deal found 11/9![Southwest logo]()
$477
This Southwest deal was found by Cheapflights users on 11/7. 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 1/155:30 am -
2 stops7h 55m
Mon 1/187:35 am -
2 stops9h 00m
Deal found 11/7![Southwest logo]()
$477
This Southwest deal was found by Cheapflights users on 11/5. 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 12/36:00 am -
2 stops8h 15m
Wed 12/91:00 pm -
2 stops7h 25m
Deal found 11/5![Southwest logo]()
$486
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/194:58 pm -
1 stop7h 01m
Sat 1/25:15 am -
2 stops7h 59m
Deal found 11/5![United Airlines logo]()
$537
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/18:00 am -
1 stop8h 48m
Sat 12/59:41 am -
2 stops10h 57m
Deal found 11/6![United Airlines logo]()
$542
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Sun 1/101:19 pm -
2 stops10h 40m
Sat 1/164:10 pm -
1 stop5h 49m
Deal found 11/5![United Airlines logo]()
$586
Last-minute flights from Philadelphia to San AntonioDiscover last-minute flight deals from Philadelphia to San Antonio. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to San Antonio. Data last updated November 10, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 11/5. 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.
Mon 11/309:55 pm -
1 stop22h 13m
Fri 12/41:14 pm -
1 stop10h 33m
Deal found 11/5![Frontier logo]()
$318
This Frontier deal was found by Cheapflights users on 11/5. 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 12/39:59 pm -
1 stop15h 20m
Wed 12/912:32 pm -
1 stop29h 08m
Deal found 11/5![Frontier logo]()
$280
This Cheapflightsfares deal was found by Cheapflights users on 11/5. 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 12/310:34 am -
1 stop26h 45m
Mon 12/712:32 pm -
1 stop11h 20m
Deal found 11/5![Frontier logo]()
$307
This Cheapflightsfares deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:01 am -
1 stop8h 18m
Wed 12/912:32 pm -
1 stop11h 20m
Deal found 11/9![Frontier logo]()
$328
This Mytrip deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/810:17 am -
1 stop26h 23m
Tue 12/156:47 pm -
2 stops21h 39m
Deal found 11/8![Frontier logo]()
$293
This Mytrip deal was found by Cheapflights users on 11/7. 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.
Fri 12/115:01 am -
1 stop7h 39m
Tue 12/156:47 pm -
2 stops21h 39m
Deal found 11/7![Frontier logo]()
$324
This Cheapflightsfares deal was found by Cheapflights users on 11/5. 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.
Mon 12/145:01 am -
1 stop7h 39m
Thu 12/171:34 pm -
1 stop14h 37m
Deal found 11/5![Frontier logo]()
$296
This Frontier deal was found by Cheapflights users on 11/5. 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 12/217:52 pm -
1 stop16h 01m
Thu 12/241:34 pm -
1 stop14h 37m
Deal found 11/5![Frontier logo]()
$298
This Frontier deal was found by Cheapflights users on 11/5. 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 12/217:52 pm -
1 stop16h 01m
Mon 12/288:30 pm -
1 stop7h 51m
Deal found 11/5![Frontier logo]()
$314
This Frontier deal was found by Cheapflights users on 11/5. 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 12/215:01 am -
1 stop8h 31m
Sat 12/267:15 pm -
1 stop8h 47m
Deal found 11/5![Frontier logo]()
$323
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 November 10, 2026.
Search for one-way flight options from Philadelphia to San Antonio. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 12/227:52 pm -
1 stop16h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Frontier logo]()
$143
This Cheapflightsfares deal was found by Cheapflights users on 11/5. 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.
Mon 12/145:01 am -
1 stop7h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:30 am -
1 stop24h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$148
This Super.com deal was found by Cheapflights users on 11/7. 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 11/259:55 pm -
1 stop18h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Frontier logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/212:49 pm -
2 stops33h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Thu 1/218:45 am -
2 stops28h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 1/248:45 am -
2 stops28h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/98:40 am -
2 stops36h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Frontier logo]()
$164
This Super.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/217:52 pm -
1 stop16h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Frontier logo]()
$167
This Cheapflightsfares deal was found by Cheapflights users on 11/7. 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.
Tue 12/19:58 pm -
1 stop15h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Frontier logo]()
$169
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 November 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $278 (Cheapflightsfares) |
One-way from | $143 (Kiwi.com) |
Popular in | November |
Cheapest in | April |
Average price | $557 |
Good round-trip deal | $393 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 7,457,451 searches. Data last updated November 10, 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 Philadelphia - SAT San Antonio
PHLSAT
Philadelphia
Tue 12/22
7:52 pm-10:53 am
1 stop16h 01m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$149
PhiladelphiaSan Antonio
PHL Philadelphia - SAT San Antonio
PHLSAT
Philadelphia
Mon 12/14
5:01 am-11:40 am
1 stop7h 39m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$163
PhiladelphiaSan Antonio
PHL Philadelphia - SAT San Antonio
PHLSAT
Philadelphia
Mon 11/23
9:55 pm-9:16 pm
1 stop24h 21m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$189
PhiladelphiaSan Antonio
PHL Philadelphia - SAT San Antonio
PHLSAT
Philadelphia
Thu 1/21
5:12 pm-10:31 pm
1 stop6h 19m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$209
PhiladelphiaSan Antonio
PHL Philadelphia - SAT San Antonio
PHLSAT
Philadelphia
Sat 12/19
4:15 pm-10:10 pm
1 stop6h 55m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$214
PhiladelphiaSan Antonio
PHL Philadelphia - SAT San Antonio
PHLSAT
Philadelphia
Mon 12/21
5:25 am-12:30 pm
2 stops8h 05m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$244
PhiladelphiaSan Antonio
PHL Philadelphia - SAT San Antonio
PHLSAT
Philadelphia
Wed 12/30
4:20 pm-1:25 am
2 stops10h 05m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$264
PhiladelphiaSan Antonio
PHL Philadelphia - SAT San Antonio
PHLSAT
Philadelphia
Mon 12/14
6:00 am-3:48 pm
2 stops10h 48m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$269
Quickest round-trip
PhiladelphiaSan Antonio
PHL Philadelphia - SAT San Antonio
PHLSAT
Philadelphia
Mon 12/21
7:32 pm-12:40 am
1 stop6h 08m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$280
PhiladelphiaSan Antonio
PHL Philadelphia - SAT San Antonio
PHLSAT
Philadelphia
Tue 12/8
4:31 pm-11:40 am
2 stops20h 09m
San Antonio
Tue 12/15
6:47 pm-11:11 pm
2 stops27h 24m
$400
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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Philadelphia-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-San Antonio flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Philadelphia-San Antonio flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Philadelphia to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Philadelphia with our price prediction graph.
PHL-SAT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Philadelphia to San Antonio
Prices
Delays
More
How far ahead should I book a flight from Philadelphia to San Antonio?
The best time to book flights from Philadelphia to San Antonio is 49 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Philadelphia to San Antonio?
Currently, April is the cheapest month in which you can book a flight from Philadelphia to San Antonio (average of $361). Flying from Philadelphia to San Antonio in November is currently the most expensive (average of $557). 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?
Airfare is below average for this route at the moment.
Philadelphia to San Antonio flights typically cost between $456 and $598 in January.The cheapest round-trip price found within the last 5 days was $278 on Frontier (Jan 10-Jan 16).
How often are flights from Philadelphia to San Antonio delayed?
About 25% of weekly flights between Philadelphia and San Antonio have experienced delays in the past year, with the average delay time being 187 minutes.
What is the most punctual flight time for Philadelphia to San Antonio flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday 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.
Nashville (BNA) – 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.
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 Nashville (BNA) have the shortest average one-way travel time for 1-stop routes: 5h 50m.
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 November 10, 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.
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.4
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.4
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.4
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.4
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.4
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.4
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Related info for your journey
Find useful and relevant information for your journey from Philadelphia to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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Top 5 airlines flying from Philadelphia to San Antonio
Discover the top 5 airlines that operate flights from Philadelphia to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$185 | Average$319 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$198 | Average$470 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$200 | Average$548 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$224 | Average$542 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$539 | FlexibilityNo cancel fee | On-timeN/A |