San Antonio

$109+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SAT
Jul 13 — Jul 201
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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”

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Cheapflights Tip: The best prices from Philadelphia to San Antonio are usually found in April or October, booked 40 days in advance, depart on a Friday or Wednesday and return on a Tuesday

Cheap flight deals from Philadelphia to San Antonio

Cheapest flights from Philadelphia to San Antonio
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 June 13, 2026.

This Frontier deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:06 am
PHL
-
SAT
1 stop10h 31m
Frontier
Fri 8/217:51 pm
SAT
-
PHL
1 stop8h 47m
Frontier
Deal found 6/10$267
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:54 pm
PHL
-
SAT
Nonstop4h 03m
American Airlines
Fri 8/216:11 am
SAT
-
PHL
1 stop7h 54m
American Airlines
Deal found 6/10$268
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:29 pm
PHL
-
SAT
1 stop5h 59m
Delta
Tue 10/274:25 pm
SAT
-
PHL
1 stop5h 31m
Delta
Deal found 6/10$270
This CheapOair deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/111:06 am
PHL
-
SAT
1 stop10h 31m
Frontier
Tue 8/47:39 pm
SAT
-
PHL
1 stop15h 10m
Frontier
Deal found 6/10$273
This Expedia deal was found by Cheapflights users on 6/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:06 am
PHL
-
SAT
1 stop10h 31m
Frontier
Mon 8/249:51 am
SAT
-
PHL
1 stop22h 00m
Frontier
Deal found 6/9$274
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:32 pm
PHL
-
SAT
Nonstop4h 06m
American Airlines
Wed 8/197:05 am
SAT
-
PHL
Nonstop3h 43m
American Airlines
Deal found 6/11$275
This Frontier deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1511:06 am
PHL
-
SAT
1 stop10h 31m
Frontier
Sat 7/184:26 pm
SAT
-
PHL
1 stop7h 11m
Frontier
Deal found 6/11$276
This Frontier deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2312:42 pm
PHL
-
SAT
1 stop7h 14m
Frontier
Thu 8/277:51 pm
SAT
-
PHL
1 stop8h 47m
Frontier
Deal found 6/11$277
This Frontier deal was found by Cheapflights users on 6/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2511:06 am
PHL
-
SAT
1 stop10h 31m
Frontier
Fri 8/77:49 pm
SAT
-
PHL
1 stop8h 50m
Frontier
Deal found 6/9$278
This CheapOair deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/811:06 am
PHL
-
SAT
1 stop10h 31m
Frontier
Tue 7/149:32 pm
SAT
-
PHL
1 stop31h 28m
Frontier
Deal found 6/10$280
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:45 pm
PHL
-
SAT
Nonstop3h 53m
American Airlines
Sat 10/37:14 am
SAT
-
PHL
Nonstop3h 51m
American Airlines
Deal found 6/11$281
This Priceline deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1111:06 am
PHL
-
SAT
1 stop10h 31m
Frontier
Sat 7/184:26 pm
SAT
-
PHL
1 stop7h 11m
Frontier
Deal found 6/11$282

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 June 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$267
(Frontier)

One-way from

$109
(Delta)

Popular in

November

Cheapest in

April

Average price

$527

Good round-trip deal

$547 or less

Good one-way deal

$277 or less
Provider with most accurate pricing for Philadelphia-San Antonio flight deals.
Provider most trusted by Cheapflights users for Philadelphia-San Antonio flights.
From Philadelphia to San Antonio
One-way flight from Philadelphia to San Antonio
Highest demand for flights based on searches. 5% potential increase in price ($26 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Philadelphia to San Antonio.
Price to beat on a one-way flight from Philadelphia to San Antonio.

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 June 13, 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

Price

Cheapest round-trip

PhiladelphiaSan Antonio

PHL - SAT

PHLSAT

Philadelphia

Wed 7/8

11:06 am-8:37 pm

1 stop10h 31m

San Antonio

Tue 7/14

9:32 pm-6:00 am

1 stop31h 28m

$280

PhiladelphiaSan Antonio

PHL - SAT

PHLSAT

Philadelphia

Sat 8/22

10:46 am-8:11 pm

1 stop10h 25m

San Antonio

Sun 8/30

7:51 pm-11:47 am

1 stop14h 56m

$296

PhiladelphiaSan Antonio

PHL - SAT

PHLSAT

Philadelphia

Tue 7/28

5:15 am-2:00 pm

1 stop9h 45m

San Antonio

Tue 8/4

6:40 am-1:10 pm

1 stop5h 30m

$303

PhiladelphiaSan Antonio

PHL - SAT

PHLSAT

Philadelphia

Thu 8/27

11:03 am-9:16 pm

2 stops11h 13m

San Antonio

Mon 8/31

5:27 pm-12:59 am

1 stop6h 32m

$312

PhiladelphiaSan Antonio

PHL - SAT

PHLSAT

Philadelphia

Tue 9/1

6:25 am-5:43 pm

2 stops12h 18m

San Antonio

Wed 9/2

12:55 pm-9:27 pm

1 stop7h 32m

$348

PhiladelphiaSan Antonio

PHL - SAT

PHLSAT

Philadelphia

Tue 8/11

2:45 pm-9:30 pm

2 stops7h 45m

San Antonio

Thu 8/13

2:20 pm-11:45 pm

1 stop8h 25m

$362

PhiladelphiaSan Antonio

PHL - SAT

PHLSAT

Philadelphia

Fri 8/14

9:40 am-3:54 pm

1 stop7h 14m

San Antonio

Sun 8/16

5:15 am-11:51 am

1 stop5h 36m

$435

PhiladelphiaSan Antonio

PHL - SAT

PHLSAT

Philadelphia

Tue 8/4

6:10 am-10:59 am

1 stop5h 49m

San Antonio

Sat 8/8

5:30 am-2:47 pm

2 stops8h 17m

$441

PhiladelphiaSan Antonio

PHL - SAT

PHLSAT

Philadelphia

Sat 8/29

11:55 am-6:40 pm

2 stops7h 45m

San Antonio

Sun 8/30

10:05 am-5:40 pm

2 stops6h 35m

$460

PhiladelphiaSan Antonio

PHL - SAT

PHLSAT

Philadelphia

Wed 7/8

6:20 am-12:45 pm

2 stops7h 25m

San Antonio

Mon 7/13

3:10 pm-11:55 pm

2 stops7h 45m

$496

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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

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 39 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 $549). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHL to SAT?

Find hourly flight availability from Philadelphia to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 13, 2026.

When flying from Philadelphia to San Antonio, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Philadelphia to San Antonio?

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 June 13, 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.

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

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.
  • What airports do I use to fly from Philadelphia to San Antonio?

    To fly from Philadelphia to San Antonio, you need to book a flight from Philadelphia (PHL) to San Antonio (SAT). Nonstop flights to San Antonio from Philadelphia take 3h 53m on average. When it comes time to book airfare, you have a few options: there are 2 outbound flights from Philadelphia to San Antonio offered by 5 different airlines.

  • How popular is this Philadelphia to San Antonio flight route?

  • How long is the flight from Philadelphia to San Antonio?

    There are many flights that can get you from Philadelphia to San Antonio in 9h 45m. Fly via Frontier, Southwest, or United Airlines to get the fastest option. There are 1493 mi between Philadelphia and San Antonio. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Philadelphia to San Antonio round-trip?

    Flying on Frontier is currently your cheapest option to San Antonio, with prices starting at $143. Additional round-trip tickets that might be worth considering are offered by Southwest and American Airlines, with the lowest prices starting at $197 and $234, respectively. These flights start at 69% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Philadelphia to San Antonio one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $80. However, be on the lookout for offers from Southwest and American Airlines, as they are both options that can get you from Philadelphia to San Antonio for a low price.

  • What are the cheapest flights from Philadelphia to San Antonio?

    While on average a flight from Philadelphia to San Antonio is generally $488, our data shows the cheapest flight currently is $277. When looking at the most popular route, (Philadelphia - San Antonio), you can expect to pay $217 for that flight.

  • Can I find deals for flights from Philadelphia to San Antonio that include hotel bookings?

    Yes. In addition to deals on Philadelphia to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to San Antonio.

  • Can I find deals for business class flights from Philadelphia to San Antonio?

    Yes. Cheapflights offers flight deals from Philadelphia to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $549). 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.

See more FAQs

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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Alternative routes for Philadelphia to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

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 2,558,603 searches. Data last updated June 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$143Average$270FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$197Average$439FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$234Average$508FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$523FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$328Average$544FlexibilityNo cancel feeOn-time69%

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