$76+ Cheap flights from San Antonio to Philadelphia (SAT - PHL)
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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — PHL
Apr 24 — May 11
Round-trip
1 adult, Economy
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Find cheap flights from San Antonio to Philadelphia 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 San Antonio to Philadelphia are usually found in September or October, booked 41 days in advance, depart on a Wednesday or Tuesday and return on a Saturday
Cheap flight deals from San Antonio to Philadelphia
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Antonio to PhiladelphiaExplore the most affordable flight options available from San Antonio to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2026.
Explore the most affordable flight options available from San Antonio to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2026.
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.
Wed 4/156:40 am
SAT
- PHL
1 stop6h 15m
Southwest
Wed 4/156:45 pm
PHL
- SAT
1 stop5h 30m
Southwest
Deal found 3/22![Southwest logo]()
$152
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.
Tue 4/1412:30 pm
SAT
- PHL
1 stop17h 20m
Frontier
Tue 4/218:36 pm
PHL
- SAT
1 stop20h 17m
Frontier
Deal found 3/24![Frontier logo]()
$171
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/204:45 pm
SAT
- PHL
1 stop5h 20m
Southwest
Mon 4/277:10 pm
PHL
- SAT
1 stop5h 55m
Southwest
Deal found 3/23![Southwest logo]()
$177
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/13:20 pm
SAT
- PHL
1 stop8h 15m
Southwest
Tue 5/52:00 pm
PHL
- SAT
2 stops7h 15m
Southwest
Deal found 3/23![Southwest logo]()
$182
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Sun 5/108:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Deal found 3/23![Frontier logo]()
$185
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/84:45 pm
SAT
- PHL
1 stop5h 20m
Southwest
Sat 5/96:15 am
PHL
- SAT
1 stop5h 45m
Southwest
Deal found 3/23![Southwest logo]()
$189
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:54 pm
SAT
- PHL
1 stop8h 43m
Multiple Airlines
Sun 5/176:12 pm
PHL
- SAT
1 stop6h 47m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$191
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.
Sat 5/167:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Mon 5/188:35 pm
PHL
- SAT
1 stop23h 24m
Frontier
Deal found 3/24![Frontier logo]()
$196
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.
Thu 4/164:45 pm
SAT
- PHL
1 stop5h 20m
Southwest
Mon 4/207:10 pm
PHL
- SAT
1 stop5h 55m
Southwest
Deal found 3/24![Southwest logo]()
$198
Best flights from San Antonio to PhiladelphiaDiscover carefully curated flight deals from San Antonio to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 25, 2026.
Discover carefully curated flight deals from San Antonio to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 25, 2026.
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.
Wed 4/156:40 am
SAT
- PHL
1 stop6h 15m
Southwest
Wed 4/156:45 pm
PHL
- SAT
1 stop5h 30m
Southwest
Deal found 3/22![Southwest logo]()
$152
This United Airlines deal was found by Cheapflights users on 3/19. 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 6/305:23 pm
SAT
- PHL
1 stop6h 34m
United Airlines
Tue 7/79:21 am
PHL
- SAT
1 stop7h 42m
United Airlines
Deal found 3/19![United Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 3/21. 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 4/243:20 pm
SAT
- PHL
1 stop8h 15m
Southwest
Sat 4/255:35 am
PHL
- SAT
1 stop9h 25m
Southwest
Deal found 3/21![Southwest logo]()
$219
This Southwest deal was found by Cheapflights users on 3/21. 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 5/273:50 pm
SAT
- PHL
1 stop5h 10m
Southwest
Sun 5/316:20 am
PHL
- SAT
1 stop5h 30m
Southwest
Deal found 3/21![Southwest logo]()
$219
This Southwest deal was found by Cheapflights users on 3/21. 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 5/911:40 am
SAT
- PHL
2 stops8h 55m
Southwest
Sun 5/106:30 pm
PHL
- SAT
1 stop5h 35m
Southwest
Deal found 3/21![Southwest logo]()
$224
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.
Tue 4/141:40 pm
SAT
- PHL
2 stops7h 20m
Southwest
Tue 4/216:35 pm
PHL
- SAT
1 stop5h 40m
Southwest
Deal found 3/22![Southwest logo]()
$224
This United Airlines deal was found by Cheapflights users on 3/19. 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 4/145:30 am
SAT
- PHL
2 stops7h 46m
United Airlines
Wed 4/1512:55 pm
PHL
- SAT
1 stop5h 48m
United Airlines
Deal found 3/19![United Airlines logo]()
$314
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:49 am
SAT
- PHL
1 stop6h 27m
United Airlines
Sat 4/256:17 am
PHL
- SAT
2 stops10h 29m
United Airlines
Deal found 3/24![United Airlines logo]()
$314
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 5/299:37 am
SAT
- PHL
2 stops13h 07m
United Airlines
Sun 5/316:10 am
PHL
- SAT
1 stop5h 44m
United Airlines
Deal found 3/22![United Airlines logo]()
$314
Last-minute flights from San Antonio to PhiladelphiaDiscover last-minute flight deals from San Antonio to Philadelphia. Data last updated March 25, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Philadelphia. Data last updated March 25, 2026 and is based on user searches.
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:45 am
SAT
- PHL
1 stop20h 46m
Frontier
Fri 4/108:25 pm
PHL
- SAT
1 stop28h 54m
Frontier
Deal found 3/23![Frontier logo]()
$211
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.
Tue 4/1412:30 pm
SAT
- PHL
1 stop17h 20m
Frontier
Tue 4/218:36 pm
PHL
- SAT
1 stop20h 17m
Frontier
Deal found 3/24![Frontier logo]()
$171
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.
Wed 4/156:40 am
SAT
- PHL
1 stop6h 15m
Southwest
Wed 4/156:45 pm
PHL
- SAT
1 stop5h 30m
Southwest
Deal found 3/22![Southwest logo]()
$152
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.
Thu 4/164:45 pm
SAT
- PHL
1 stop5h 20m
Southwest
Mon 4/207:10 pm
PHL
- SAT
1 stop5h 55m
Southwest
Deal found 3/24![Southwest logo]()
$198
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/163:00 pm
SAT
- PHL
1 stop13h 34m
Frontier
Sun 4/198:36 pm
PHL
- SAT
1 stop18h 39m
Frontier
Deal found 3/22![Frontier logo]()
$207
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/163:00 pm
SAT
- PHL
1 stop13h 34m
Multiple Airlines
Sun 4/196:12 pm
PHL
- SAT
1 stop6h 39m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$208
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.
Fri 4/174:25 pm
SAT
- PHL
1 stop5h 20m
Southwest
Mon 4/207:10 pm
PHL
- SAT
1 stop5h 55m
Southwest
Deal found 3/24![Southwest logo]()
$189
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/204:45 pm
SAT
- PHL
1 stop5h 20m
Southwest
Mon 4/277:10 pm
PHL
- SAT
1 stop5h 55m
Southwest
Deal found 3/23![Southwest logo]()
$177
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.
Wed 4/225:30 am
SAT
- PHL
1 stop5h 13m
United Airlines
Sat 4/258:00 am
PHL
- SAT
1 stop8h 46m
United Airlines
Deal found 3/22![United Airlines logo]()
$219
One-way flights from San Antonio to PhiladelphiaSearch for one-way flight options from San Antonio to Philadelphia. Find affordable one-way fares based on user searches. Data last updated March 25, 2026.
Search for one-way flight options from San Antonio to Philadelphia. Find affordable one-way fares based on user searches. Data last updated March 25, 2026.
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/222:00 pm
SAT
- PHL
1 stop8h 55m
Southwest
Deal found 3/23![Southwest logo]()
$76
This Super.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:22 pm
SAT
- PHL
1 stop5h 36m
Spirit Airlines
Deal found 3/21![Spirit Airlines logo]()
$80
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:04 pm
SAT
- PHL
1 stop12h 30m
Frontier
Deal found 3/23![Frontier logo]()
$86
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.
Mon 4/203:20 pm
SAT
- PHL
1 stop8h 15m
Southwest
Deal found 3/22![Southwest logo]()
$89
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/201:51 pm
SAT
- PHL
1 stop19h 47m
Frontier
Deal found 3/23![Frontier logo]()
$95
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/14:45 pm
SAT
- PHL
1 stop5h 20m
Southwest
Deal found 3/23![Southwest logo]()
$101
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:45 am
SAT
- PHL
1 stop20h 46m
Frontier
Deal found 3/23![Frontier logo]()
$105
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Mon 4/205:50 pm
SAT
- PHL
1 stop6h 09m
United Airlines
Deal found 3/20![United Airlines logo]()
$110
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.
Tue 4/211:40 pm
SAT
- PHL
2 stops7h 20m
Southwest
Deal found 3/22![Southwest logo]()
$115
This Frontier deal was found by Cheapflights users on 3/19. 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 5/187:54 pm
SAT
- PHL
1 stop8h 43m
Frontier
Deal found 3/19![Frontier logo]()
$125
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:45 am
SAT
- PHL
2 stops15h 33m
Frontier
Deal found 3/23![Frontier logo]()
$127
Find flight deals from San Antonio to Philadelphia
Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Philadelphia (PHL). 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 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $152 (Southwest) |
One-way from | $76 (Southwest) |
Popular in | June |
Cheapest in | September |
Average price | $433 |
Good round-trip deal | $376 or less |
Good one-way deal | $267 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Antonio to Philadelphia 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 25, 2026.
Use the filters below to find and compare flights from San Antonio to Philadelphia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San AntonioPhiladelphia
SAT - PHL
SATPHL
San Antonio
Wed 4/15
6:40 am-1:55 pm
1 stop6h 15m
Philadelphia
Wed 4/15
6:45 pm-11:15 pm
1 stop5h 30m
$152
San AntonioPhiladelphia
SAT - PHL
SATPHL
San Antonio
Fri 4/24
3:20 pm-12:35 am
1 stop8h 15m
Philadelphia
Sat 4/25
5:35 am-2:00 pm
1 stop9h 25m
$219
Quickest round-trip
San AntonioPhiladelphia
SAT - PHL
SATPHL
San Antonio
Wed 5/27
3:50 pm-10:00 pm
1 stop5h 10m
Philadelphia
Sun 5/31
6:20 am-10:50 am
1 stop5h 30m
$219
San AntonioPhiladelphia
SAT - PHL
SATPHL
San Antonio
Sat 5/9
11:40 am-9:35 pm
2 stops8h 55m
Philadelphia
Sun 5/10
6:30 pm-11:05 pm
1 stop5h 35m
$224
San AntonioPhiladelphia
SAT - PHL
SATPHL
San Antonio
Tue 4/14
1:40 pm-10:00 pm
2 stops7h 20m
Philadelphia
Tue 4/21
6:35 pm-11:15 pm
1 stop5h 40m
$224
San AntonioPhiladelphia
SAT - PHL
SATPHL
San Antonio
Tue 6/30
5:23 pm-12:57 am
1 stop6h 34m
Philadelphia
Tue 7/7
9:21 am-4:03 pm
1 stop7h 42m
$309
San AntonioPhiladelphia
SAT - PHL
SATPHL
San Antonio
Tue 4/14
5:30 am-2:16 pm
2 stops7h 46m
Philadelphia
Wed 4/15
12:55 pm-5:43 pm
1 stop5h 48m
$314
San AntonioPhiladelphia
SAT - PHL
SATPHL
San Antonio
Sat 4/18
6:49 am-2:16 pm
1 stop6h 27m
Philadelphia
Sat 4/25
6:17 am-3:46 pm
2 stops10h 29m
$314
San AntonioPhiladelphia
SAT - PHL
SATPHL
San Antonio
Fri 5/29
9:37 am-11:44 pm
2 stops13h 07m
Philadelphia
Sun 5/31
6:10 am-10:54 am
1 stop5h 44m
$314
Cheapest one-way
San AntonioPhiladelphia
SAT - PHL
SATPHL
San Antonio
Wed 4/22
2:00 pm-11:55 pm
1 stop8h 55m
$76
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from San Antonio to Philadelphia
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 San Antonio to Philadelphia 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 Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on San Antonio-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Philadelphia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Antonio-Philadelphia 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 San Antonio-Philadelphia 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 San Antonio to Philadelphia
Have a flexible travel schedule? Discover the best time to fly to Philadelphia from San Antonio with our price prediction graph.
SAT-PHL
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 San Antonio to Philadelphia
Prices
More
How far ahead should I book a flight from San Antonio to Philadelphia?
Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Philadelphia. Price data was last updated on March 13, 2026.
Booking 41 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Antonio to Philadelphia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from San Antonio to Philadelphia?
Currently, January is the cheapest month in which you can book a flight from San Antonio to Philadelphia (average of $80). Flying from San Antonio to Philadelphia in July is currently the most expensive (average of $162). 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’s the top layover airport for flights from San Antonio to Philadelphia?
Share of 1-stop round-trip flights from San Antonio to Philadelphia chosen by Cheapflights users in the past 12 months, using the same layover each way.
Atlanta (ATL) – chosen by Cheapflights users on 67% of 1-stop itineraries from San Antonio to Philadelphia on Cheapflights.
What’s the cheapest layover airport for flights from San Antonio to Philadelphia?
Average round-trip fare for 1-stop flights from San Antonio to Philadelphia, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of $226.
What’s the fastest layover option from San Antonio to Philadelphia?
Shortest average travel time for 1-stop one-way flights from San Antonio to Philadelphia, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Dallas (DFW) have the shortest average one-way travel time for 1-stop routes: 5h 19m.
Which airport typically offers the quickest layover for flights from San Antonio to Philadelphia?
Average layover duration for 1-stop one-way flights from San Antonio to Philadelphia, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Dallas (DFW) offer the fastest connection on this route, with an average layover time of 0h 57m.
Reviews of airlines servicing Philadelphia
Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated March 25, 2026.
See what other customers who have flown with Southwest,Delta, andAmerican Airlines from San Antonio to Philadelphia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from San Antonio to Philadelphia. 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 Philadelphia?
Book flights to Philadelphia if you plan to visit one of these locationsWildwood
Reading
King of Prussia
Camden
Ocean City
Lewes
Dewey Beach
Pottstown
Ephrata
Vineland
Milford
Cherry Hill
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Glen Mills
Chester
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San Antonio and Philadelphia flights
Browse other San Antonio and Philadelphia flight options. Last updated on March 25, 2026.
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Top 6 airlines flying from San Antonio to Philadelphia
Discover the top 6 airlines that operate flights from San Antonio to Philadelphia. 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 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$141 | Average$267 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$169 | Average$267 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$296 | Average$443 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$316 | Average$478 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$327 | Average$450 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$335 | Average$462 | FlexibilityNo cancel fee | On-time71% |