Which airport is the most popular layover for flights between San Antonio and Philadelphia?

Houston (IAH) was the most common stop: 25% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from San Antonio to Philadelphia?

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 5h 19m.

Which layover airport has the shortest connection time from San Antonio to Philadelphia?

Houston (IAH) has the shortest average layover time for this route: 0h 48m.

Which layover airport offers the lowest fares from San Antonio to Philadelphia?

Flights via Atlanta (ATL) offer the lowest average round-trip price of $354.

What airlines fly to Philadelphia?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Philadelphia from San Antonio according to our data. American Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 7 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from San Antonio to Philadelphia?

Southwest and United Airlines are the most popular carriers operating from San Antonio to Philadelphia

When did momondo last update prices for flights from San Antonio Airport to Philadelphia Airport?

Prices for flights from San Antonio Airport to Philadelphia Airport refresh daily.

How many operators does momondo search for flights from San Antonio Airport to Philadelphia Airport?

As of March 2026, there are 6 operators available to choose from for flights from San Antonio Airport to Philadelphia Airport.

How old do you have to be to fly from San Antonio Airport to Philadelphia Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Philadelphia Airport.

What documentation or ID do you need to fly to Philadelphia Airport?

The necessary travel and health documents for your Philadelphia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$100 Cheap Flights from San Antonio to Philadelphia in 2026

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Find the cheapest flights from San Antonio to Philadelphia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:25 pm - 10:45 pm

SAT

PHL

5h 20m

1 stop

6:00 pm - 12:30 am

PHL

SAT

7h 30m

1 stop

$199Southwest

Mon, Apr 27 - Mon, May 4

12:55 pm - 12:35 am

SAT

PHL

10h 40m

1 stop

5:40 am - 11:40 am

PHL

SAT

7h 00m

1 stop

$204Southwest

Thu, Apr 23 - Mon, Apr 27

4:49 pm - 5:34 am

SAT

PHL

11h 45m

1 stop

8:31 pm - 2:15 pm

PHL

SAT

18h 44m

1 stop

$206Frontier

Wed, Apr 22 - Wed, Apr 29

5:25 am - 1:25 pm

SAT

PHL

7h 00m

2 stops

2:00 pm - 9:45 pm

PHL

SAT

8h 45m

2 stops

$209Southwest

Sun, May 10 - Wed, May 13

7:54 pm - 5:37 am

SAT

PHL

8h 43m

1 stop

10:40 am - 8:14 pm

PHL

SAT

10h 34m

1 stop

$210Frontier

Wed, May 6 - Sat, May 16

4:04 pm - 5:34 am

SAT

PHL

12h 30m

1 stop

6:12 pm - 11:51 pm

PHL

SAT

6h 39m

1 stop

$211Multiple Airlines

Tue, Apr 21 - Sat, Apr 25

3:05 pm - 10:45 pm

SAT

PHL

6h 40m

2 stops

12:20 pm - 11:00 pm

PHL

SAT

11h 40m

2 stops

$215Southwest

Mon, Apr 27 - Mon, May 4

10:22 am - 8:19 pm

SAT

PHL

8h 57m

1 stop

5:32 pm - 9:27 am

PHL

SAT

16h 55m

1 stop

$216Multiple Airlines

Wed, Apr 8 - Sun, Apr 12

3:00 pm - 5:34 am

SAT

PHL

13h 34m

1 stop

8:36 pm - 3:53 pm

PHL

SAT

20h 17m

1 stop

$218Frontier

Fri, Apr 24 - Tue, Apr 28

3:20 pm - 12:35 am

SAT

PHL

8h 15m

1 stop

6:20 am - 10:50 am

PHL

SAT

5h 30m

1 stop

$219Southwest

Thu, Apr 16 - Sun, Apr 19

Southwest flights from San Antonio to Philadelphia

Our best Southwest deals on San Antonio to Philadelphia flight tickets

Southwest

Apr 27

SAT4:25 pmSan Antonio

5h 20m

1 stop

PHL10:45 pmPhiladelphia

May 4

PHL6:00 pmPhiladelphia

7h 30m

1 stop

SAT12:30 amSan Antonio

$199

Southwest

Apr 23

SAT12:55 pmSan Antonio

10h 40m

1 stop

PHL12:35 amPhiladelphia

Apr 27

PHL5:40 amPhiladelphia

7h 00m

1 stop

SAT11:40 amSan Antonio

$204

Southwest

May 10

SAT5:25 amSan Antonio

7h 00m

2 stops

PHL1:25 pmPhiladelphia

May 13

PHL2:00 pmPhiladelphia

8h 45m

2 stops

SAT9:45 pmSan Antonio

$209

Frontier flights from San Antonio to Philadelphia

Our best Frontier deals on San Antonio to Philadelphia flight tickets

Frontier

Apr 22

SAT4:49 pmSan Antonio

11h 45m

1 stop

PHL5:34 amPhiladelphia

Apr 29

PHL8:31 pmPhiladelphia

18h 44m

1 stop

SAT2:15 pmSan Antonio

$206

Frontier

May 6

SAT7:54 pmSan Antonio

8h 43m

1 stop

PHL5:37 amPhiladelphia

May 16

PHL10:40 amPhiladelphia

10h 34m

1 stop

SAT8:14 pmSan Antonio

$210

Frontier

Apr 24

SAT3:00 pmSan Antonio

13h 34m

1 stop

PHL5:34 amPhiladelphia

Apr 28

PHL8:36 pmPhiladelphia

20h 17m

1 stop

SAT3:53 pmSan Antonio

$218

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Mon 4/27

4:25 pm-10:45 pm

1 stop5h 20m

Philadelphia

Mon 5/4

6:00 pm-12:30 am

1 stop7h 30m

$199

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Thu 4/23

12:55 pm-12:35 am

1 stop10h 40m

Philadelphia

Mon 4/27

5:40 am-11:40 am

1 stop7h 00m

$204

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Wed 4/22

4:49 pm-5:34 am

1 stop11h 45m

Philadelphia

Wed 4/29

8:31 pm-2:15 pm

1 stop18h 44m

$206

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Sun 5/10

5:25 am-1:25 pm

2 stops7h 00m

Philadelphia

Wed 5/13

2:00 pm-9:45 pm

2 stops8h 45m

$209

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Wed 5/6

7:54 pm-5:37 am

1 stop8h 43m

Philadelphia

Sat 5/16

10:40 am-8:14 pm

1 stop10h 34m

$210

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Tue 4/21

4:04 pm-5:34 am

1 stop12h 30m

Philadelphia

Sat 4/25

6:12 pm-11:51 pm

1 stop6h 39m

$211

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Mon 4/27

3:05 pm-10:45 pm

2 stops6h 40m

Philadelphia

Mon 5/4

12:20 pm-11:00 pm

2 stops11h 40m

$215

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Wed 4/8

10:22 am-8:19 pm

1 stop8h 57m

Philadelphia

Sun 4/12

5:32 pm-9:27 am

1 stop16h 55m

$216

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Fri 4/24

3:00 pm-5:34 am

1 stop13h 34m

Philadelphia

Tue 4/28

8:36 pm-3:53 pm

1 stop20h 17m

$218

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Thu 4/16

3:20 pm-12:35 am

1 stop8h 15m

Philadelphia

Sun 4/19

6:20 am-10:50 am

1 stop5h 30m

$219

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Antonio to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from San Antonio is in September. Flight prices, which tend to average around $369, are often lower during this time because this is during the off-season. The month of October is another great option to travel to Philadelphia, with average flight prices from San Antonio averaging around $384.

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from San Antonio to Philadelphia is on a Wednesday. Travelers who choose to depart for Philadelphia on a Wednesday will often find tickets for as low as $426. On the other hand, Monday is the most expensive day to depart from San Antonio because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,225.

What is the cheapest time of day to depart on your flight to Philadelphia?

According to our data, the cheapest time of day to fly to Philadelphia is in the morning. momondo users have found flights departing from San Antonio to Philadelphia in the morning for as low as $494. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is at noon when prices are around $1,163.

What is the cheapest San Antonio to Philadelphia flight route?

Fly from San Antonio to Philadelphia for the best San Antonio - Philadelphia flight prices

How far in advance should I book a flight to Philadelphia?

You are more likely to see cheaper flights to Philadelphia from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $431 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from San Antonio for as low as $284 on momondo.

What cabin class options are available on San Antonio to Philadelphia flights?

There are 4 cabin classes available to choose from on San Antonio to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have San Antonio to Philadelphia flight prices changed over time?

As of March 2026, prices for San Antonio to Philadelphia flights are approximately 6% more expensive when compared to flights at the same time last year.

When to book flights from San Antonio to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap San Antonio to Philadelphia (SAT to PHL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Philadelphia

Best Price Found	$267
Fastest flight time	3h 35m
Direct flights	Every day
Airports in Philadelphia	1 airport

The best one-way flight to Philadelphia from San Antonio in the past 72 hours is $267. The best round-trip flight deal from San Antonio to Philadelphia found on momondo in the last 72 hours is $415.

The fastest flight from San Antonio to Philadelphia takes 3h 35m

Direct flights go from San Antonio to Philadelphia every day.

There is 1 airport in Philadelphia. From San Antonio there are direct flights to Philadelphia (PHL).

Search flight deals

How far is San Antonio to Philadelphia by plane?
San Antonio and Philadelphia are 1504.8 mi apart from one another. Flights usually cover this in 3h 35m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from San Antonio Airport to Philadelphia Airport?
Prices for flights from San Antonio Airport to Philadelphia Airport refresh daily.
How many operators does momondo search for flights from San Antonio Airport to Philadelphia Airport?
As of March 2026, there are 6 operators available to choose from for flights from San Antonio Airport to Philadelphia Airport.
How old do you have to be to fly from San Antonio Airport to Philadelphia Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The necessary travel and health documents for your Philadelphia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Antonio to Philadelphia?
Based on momondo bookings for flights between San Antonio and Philadelphia, the leading plane model is Airbus A319, making up 65.79% of the total bookings. Other popular models include Boeing 777 with 5.26%, Airbus A321neo with 5.26%, and Airbus A220-300 with 5.26%.
What is the most popular airline from San Antonio to Philadelphia?
Based on momondo bookings for flights between San Antonio and Philadelphia, the leading airline is American Airlines, making up 51% of the total bookings. Other popular airlines include Southwest with 21%, Delta with 12%, and Frontier with 6%.

Best airlines flying from San Antonio to Philadelphia

Compare and see reviews for airlines that fly from San Antonio to Philadelphia with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $141	Free Cancellation	Rating 5.7 3,025 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $169	Free Cancellation	Rating 6.3 8,523 reviews	Search Spirit Airlines flights
Delta	PriceFrom $266	Free Cancellation	Rating 7.9 8,287 reviews	Search Delta flights
United Airlines	PriceFrom $287	Free Cancellation	Rating 7.4 9,435 reviews	Search United Airlines flights
Southwest	PriceFrom $296	Free Cancellation	Rating 8.0 4,320 reviews	Search Southwest flights
American Airlines	PriceFrom $341	Free Cancellation	Rating 7.1 11,469 reviews	Search American Airlines flights

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Newark

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Essington

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Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Philadelphia?

It is quick and easy to find San Antonio to Philadelphia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Philadelphia that suits you.

Can I find flights from San Antonio to Philadelphia with flexible booking policies on momondo?

Flights from San Antonio to Philadelphia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from San Antonio to Philadelphia?

Once all potential San Antonio to Philadelphia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from San Antonio to Philadelphia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Antonio to Philadelphia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.