How long is the flight from San Antonio to Philadelphia?

There are many flights that can get you from San Antonio to Philadelphia in 7h 16m. Fly via Spirit Airlines or Frontier to get the fastest option. The distance between San Antonio and Philadelphia is about 1493 mi. This flight may include one or multiple stops.

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

Flying on Frontier is currently your cheapest option to Philadelphia, with prices starting at $157. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and Delta, with the lowest prices starting at $169 and $255, respectively. These flights start at 63% lower than the current average price 3 months from now.

Weekly flight availability from San Antonio to Philadelphia

The most flights from SAT to PHL are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

What are the cheapest flights from San Antonio to Philadelphia?

On average you can expect to pay $343 for a flight from San Antonio to Philadelphia. The cheapest flight overall is $104 while the most popular route, (San Antonio - Philadelphia) is currently priced at $178.

What are the most popular airlines that fly from San Antonio to Philadelphia?

Consider American Airlines, Delta or Frontier when booking your flight. These represent the most popular airlines when flying from San Antonio to Philadelphia.

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.

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

If you book a flight from San Antonio to Philadelphia, you will be flying from San Antonio to Philadelphia. Flights to Philadelphia (PHL) from San Antonio (SAT) take 3h 29m for a nonstop flight. There are 2 flights from San Antonio to Philadelphia per day from 6 airlines.

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

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

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

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

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

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

$91+ Flights from San Antonio to Philadelphia

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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 February or January, booked 70 days in advance, depart on a Saturday or Wednesday and return on a Saturday

Cheap flight deals from San Antonio to Philadelphia

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$153 (CheapOair)
One-way from	$91 (Cheapflightsfares)
Popular in	June
Cheapest in	February
Average price	$445
Good round-trip deal	$318 or less
Good one-way deal	$138 or less

Provider with most accurate pricing for San Antonio-Philadelphia flight deals.

Search Deals

Provider most trusted by Cheapflights users for San Antonio-Philadelphia flights.

Search Deals

From San Antonio to Philadelphia

Search Deals

One-way flight from San Antonio to Philadelphia

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($22 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Price to beat on a round-trip flight from San Antonio to Philadelphia.

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Price to beat on a one-way flight from San Antonio to Philadelphia.

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Find flight deals from San Antonio to Philadelphia

Cheapest flights from San Antonio to Philadelphia
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 September 25, 2025.

Thu 10/238:26 pmSAT - PHL

1 stop7h 53mFrontier

Sun 10/265:20 amPHL - SAT

1 stop12h 32mFrontier

Deal found 9/24

$153

Fri 10/177:10 pmSAT - PHL

1 stop18h 15mFrontier

Sun 10/195:20 amPHL - SAT

1 stop12h 32mFrontier

Deal found 9/24

$164

Sat 11/16:05 pmSAT - PHL

1 stop13h 25mFrontier

Mon 11/35:50 amPHL - SAT

1 stop11h 50mFrontier

Deal found 9/25

$173

Thu 10/238:26 pmSAT - PHL

1 stop7h 53mFrontier

Sat 10/256:42 amPHL - SAT

1 stop10h 55mFrontier

Deal found 9/25

$174

Fri 10/245:45 pmSAT - PHL

1 stop6h 14mFrontier

Mon 10/275:20 amPHL - SAT

1 stop12h 30mFrontier

Deal found 9/24

$176

Wed 11/124:16 pmSAT - PHL

1 stop7h 16mSpirit Airlines

Mon 11/1710:46 amPHL - SAT

1 stop12h 41mSpirit Airlines

Deal found 9/24

$178

Thu 10/168:26 pmSAT - PHL

1 stop7h 53mFrontier

Sun 10/195:20 amPHL - SAT

1 stop12h 32mFrontier

Deal found 9/24

$182

Fri 10/35:40 pmSAT - PHL

1 stop6h 19mFrontier

Mon 10/65:15 amPHL - SAT

1 stop12h 15mFrontier

Deal found 9/23

$184

Thu 10/1612:09 pmSAT - PHL

1 stop16h 10mFrontier

Mon 10/205:20 amPHL - SAT

1 stop12h 30mFrontier

Deal found 9/25

$187

Best flights from San Antonio to Philadelphia
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 September 25, 2025.

Wed 11/124:16 pmSAT - PHL

1 stop7h 16mSpirit Airlines

Mon 11/1710:46 amPHL - SAT

1 stop12h 41mSpirit Airlines

Deal found 9/24

$178

Thu 10/1612:09 pmSAT - PHL

1 stop16h 10mFrontier

Mon 10/205:20 amPHL - SAT

1 stop12h 30mFrontier

Deal found 9/25

$187

Wed 10/223:59 pmSAT - PHL

1 stop12h 20mMultiple Airlines

Wed 10/291:58 pmPHL - SAT

1 stop26h 52mMultiple Airlines

Deal found 9/23

$282

Wed 10/227:00 amSAT - PHL

Nonstop3h 29mAmerican Airlines

Wed 10/296:51 pmPHL - SAT

Nonstop4h 06mAmerican Airlines

Deal found 9/25

$335

Wed 10/225:14 amSAT - PHL

1 stop5h 00mDelta

Wed 10/298:00 amPHL - SAT

1 stop6h 28mDelta

Deal found 9/25

$355

Wed 12/106:00 amSAT - PHL

1 stop9h 49mSpirit Airlines

Sun 12/1410:46 amPHL - SAT

1 stop12h 41mSpirit Airlines

Deal found 9/24

$187

Sat 12/64:16 pmSAT - PHL

1 stop7h 16mSpirit Airlines

Tue 12/910:46 amPHL - SAT

1 stop12h 41mSpirit Airlines

Deal found 9/24

$202

Sat 11/156:00 amSAT - PHL

2 stops17h 32mSpirit Airlines

Mon 11/1710:46 amPHL - SAT

1 stop12h 41mSpirit Airlines

Deal found 9/25

$237

Fri 10/105:45 pmSAT - PHL

1 stop6h 14mFrontier

Sun 10/125:20 amPHL - SAT

1 stop12h 32mFrontier

Deal found 9/25

$308

Wed 12/244:40 pmSAT - PHL

1 stop5h 11mDelta

Tue 12/305:30 amPHL - SAT

1 stop5h 41mDelta

Deal found 9/23

$361

Thu 10/237:35 pmSAT - PHL

2 stops16h 18mSpirit Airlines

Sun 10/265:20 amPHL - SAT

2 stops14h 10mSpirit Airlines

Deal found 9/24

$327

Last-minute flights from San Antonio to Philadelphia
Discover last-minute flight deals from San Antonio to Philadelphia. Data last updated September 25, 2025 and is based on user searches.

Fri 10/35:40 pmSAT - PHL

1 stop6h 19mFrontier

Mon 10/65:15 amPHL - SAT

1 stop12h 15mFrontier

Deal found 9/23

$184

Thu 10/168:26 pmSAT - PHL

1 stop7h 53mFrontier

Sun 10/195:20 amPHL - SAT

1 stop12h 32mFrontier

Deal found 9/24

$182

Thu 10/1612:09 pmSAT - PHL

1 stop16h 10mFrontier

Mon 10/205:20 amPHL - SAT

1 stop12h 30mFrontier

Deal found 9/25

$187

Fri 10/177:10 pmSAT - PHL

1 stop18h 15mFrontier

Sun 10/195:20 amPHL - SAT

1 stop12h 32mFrontier

Deal found 9/24

$164

Thu 10/238:26 pmSAT - PHL

1 stop7h 53mFrontier

Sun 10/265:20 amPHL - SAT

1 stop12h 32mFrontier

Deal found 9/24

$153

Thu 10/238:26 pmSAT - PHL

1 stop7h 53mFrontier

Sat 10/256:42 amPHL - SAT

1 stop10h 55mFrontier

Deal found 9/25

$174

Fri 10/245:45 pmSAT - PHL

1 stop6h 14mFrontier

Mon 10/275:20 amPHL - SAT

1 stop12h 30mFrontier

Deal found 9/24

$176

Fri 10/248:26 pmSAT - PHL

2 stops13h 34mFrontier

Sun 10/265:20 amPHL - SAT

1 stop12h 32mFrontier

Deal found 9/24

$190

One-way flights from San Antonio to Philadelphia
Search for one-way flight options from San Antonio to Philadelphia. Find affordable one-way fares based on user searches. Data last updated September 25, 2025.

Fri 10/245:45 pmSAT - PHL

1 stop6h 14mFrontier

Deal found 9/25

$91

Thu 10/238:26 pmSAT - PHL

1 stop7h 53mFrontier

Deal found 9/24

$92

Wed 10/223:59 pmSAT - PHL

1 stop12h 20mFrontier

Deal found 9/24

$98

Thu 10/97:35 pmSAT - PHL

1 stop12h 57mSpirit Airlines

Deal found 9/24

$105

Sun 10/268:26 pmSAT - PHL

1 stop7h 53mFrontier

Deal found 9/24

$110

Fri 10/107:10 pmSAT - PHL

1 stop21h 15mFrontier

Deal found 9/24

$116

Sun 10/267:35 pmSAT - PHL

1 stop15h 17mMultiple Airlines

Deal found 9/25

$121

Thu 10/237:35 pmSAT - PHL

2 stops16h 18mSpirit Airlines

Deal found 9/24

$126

Wed 10/87:00 amSAT - PHL

2 stops32h 41mMultiple Airlines

Deal found 9/24

$138

Fri 10/245:45 pmSAT - PHL

2 stops15h 50mMultiple Airlines

Deal found 9/24

$149

Cheapflights Fare Finder

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

Price

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Wed 11/12

4:16 pm-12:32 am

1 stop7h 16m

Philadelphia

Mon 11/17

10:46 am-10:27 pm

1 stop12h 41m

$178

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Thu 10/16

12:09 pm-5:19 am

1 stop16h 10m

Philadelphia

Mon 10/20

5:20 am-4:50 pm

1 stop12h 30m

$187

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Wed 12/10

6:00 am-4:49 pm

1 stop9h 49m

Philadelphia

Sun 12/14

10:46 am-10:27 pm

1 stop12h 41m

$187

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Sat 12/6

4:16 pm-12:32 am

1 stop7h 16m

Philadelphia

Tue 12/9

10:46 am-10:27 pm

1 stop12h 41m

$202

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Sat 11/15

6:00 am-12:32 am

2 stops17h 32m

Philadelphia

Mon 11/17

10:46 am-10:27 pm

1 stop12h 41m

$237

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Wed 10/22

3:59 pm-5:19 am

1 stop12h 20m

Philadelphia

Wed 10/29

1:58 pm-3:50 pm

1 stop26h 52m

$282

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Fri 10/10

5:45 pm-12:59 am

1 stop6h 14m

Philadelphia

Sun 10/12

5:20 am-4:52 pm

1 stop12h 32m

$308

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Thu 10/23

7:35 pm-12:53 pm

2 stops16h 18m

Philadelphia

Sun 10/26

5:20 am-6:30 pm

2 stops14h 10m

$327

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Wed 10/22

7:00 am-11:29 am

Nonstop3h 29m

Philadelphia

Wed 10/29

6:51 pm-9:57 pm

Nonstop4h 06m

$335

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Wed 10/22

5:14 am-11:14 am

1 stop5h 00m

Philadelphia

Wed 10/29

8:00 am-1:28 pm

1 stop6h 28m

$355

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/25

Showing 1-10 of 21 results

Compare providers for flights from San Antonio to Philadelphia

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 September.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy2 stars	Trust Score*1 star
Kiwi.com	Price Accuracy3 stars	Trust 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 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.

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

Airlines

How far ahead should I book a flight from San Antonio to Philadelphia?

Booking 70 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, August is the cheapest month in which you can book a flight from San Antonio to Philadelphia (average of $236). Flying from San Antonio to Philadelphia in March is currently the most expensive (average of $295). 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 SAT to PHL?

A simple way to save on the total cost of your ticket is to fly from San Antonio to Philadelphia in the evening. If you’re flexible enough to do this you can expect to save up to 74% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from San Antonio to Philadelphia?

Travelers seeking maximum savings on their San Antonio to Philadelphia flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Philadelphia

See what other customers who have flown with Southwest, Delta, and American 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.

Southwest

8.0

Very good

4,246 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Southwest

8.0

Very good

4,246 reviews

Southwest

8.0

Very good

4,246 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Delta

8.0

Very good

7,973 reviews

Southwest

8.0

Very good

4,246 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,246 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Spirit Airlines

6.3

Okay

8,045 reviews

Southwest

8.0

Very good

4,246 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Frontier

5.8

Fair

3,162 reviews

Southwest

8.0

Very good

4,246 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

What airports do I use to fly from San Antonio to Philadelphia?
If you book a flight from San Antonio to Philadelphia, you will be flying from San Antonio to Philadelphia. Flights to Philadelphia (PHL) from San Antonio (SAT) take 3h 29m for a nonstop flight. There are 2 flights from San Antonio to Philadelphia per day from 6 airlines.
How long is the flight from San Antonio to Philadelphia?
There are many flights that can get you from San Antonio to Philadelphia in 7h 16m. Fly via Spirit Airlines or Frontier to get the fastest option. The distance between San Antonio and Philadelphia is about 1493 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from San Antonio to Philadelphia round-trip?
Flying on Frontier is currently your cheapest option to Philadelphia, with prices starting at $157. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and Delta, with the lowest prices starting at $169 and $255, respectively. These flights start at 63% lower than the current average price 3 months from now.
What are the cheapest flights from San Antonio to Philadelphia?
On average you can expect to pay $343 for a flight from San Antonio to Philadelphia. The cheapest flight overall is $104 while the most popular route, (San Antonio - Philadelphia) is currently priced at $178.
Can I find deals for flights from San Antonio to Philadelphia that include hotel bookings?
Yes. In addition to deals on San Antonio to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Antonio to Philadelphia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Philadelphia.
Can I find deals for business class flights from San Antonio to Philadelphia?
Yes. Cheapflights offers flight deals from San Antonio to Philadelphia 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 San Antonio to Philadelphia?
Currently, August is the cheapest month in which you can book a flight from San Antonio to Philadelphia (average of $236). Flying from San Antonio to Philadelphia in March is currently the most expensive (average of $295). 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.

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Top 6 airlines flying from San Antonio to Philadelphia

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$157	Average$257	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$169	Average$259	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$255	Average$388	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$296	Average$445	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$308	Average$468	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$316	Average$480	FlexibilityNo cancel fee	On-time69%

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$91+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Antonio to Philadelphia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from San Antonio to Philadelphia are usually found in February or January, booked 70 days in advance, depart on a Saturday or Wednesday and return on a Saturday

Cheap flight deals from San Antonio to Philadelphia

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from San Antonio to Philadelphia

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 September 25, 2025.

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 September 25, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Antonio to Philadelphia that are best for you.

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 September.

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.

Cheapflights Insights

Everything you need to know about your flight from San Antonio to Philadelphia

How far ahead should I book a flight from San Antonio to Philadelphia?

What is the cheapest month to book a flight from San Antonio to Philadelphia?

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

What is the cheapest day to fly from San Antonio to Philadelphia?

Weekly flight availability from San Antonio to Philadelphia

Reviews of airlines servicing Philadelphia

See what other customers who have flown with Southwest, Delta, and American 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.

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.

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

How long is the flight from San Antonio to Philadelphia?

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

What are the cheapest flights from San Antonio to Philadelphia?

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

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

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

What is the cheapest month to book a flight from San Antonio to Philadelphia?

Traveling to a place near Philadelphia?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Antonio to Philadelphia

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

Top 6 airlines flying from San Antonio to Philadelphia

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Cheapest flights from San Antonio to Philadelphia
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 September 25, 2025.