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

Houston (IAH) was the most common stop: 22% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Washington, D.C. (IAD) offer the lowest average round-trip price of $218.

What airlines fly to Philadelphia?

American Airlines, United Airlines and Spirit Airlines 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 37% 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.

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.

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

Frontier is the most popular carrier operating from San Antonio to Philadelphia

How many flights depart from San Antonio to Philadelphia on average per week?

As of April 2026, 3 flights take off from San Antonio and land in Philadelphia each week. The most common flight departure day for this route is Mon, with 33% of weekly flights taking off on this day.

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 April 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

Q: What is the typical price of a round-trip flight between San Antonio and Philadelphia?

Prices are currently low for flights on this route. Typical prices usually range from $547 to $388. The lowest price recently found on this route was $209.

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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.

7:54 pm - 5:37 am

SAT

PHL

8h 43m

1 stop

6:45 am - 4:16 pm

PHL

SAT

10h 31m

1 stop

$209Multiple Airlines

sáb., may. 16 - lun., may. 18

8:56 pm - 6:27 am

SAT

PHL

8h 31m

1 stop

11:06 am - 8:11 pm

PHL

SAT

10h 05m

1 stop

$210Frontier

mar., jun. 9 - mar., jun. 16

7:54 pm - 5:37 am

SAT

PHL

8h 43m

1 stop

8:35 pm - 6:59 pm

PHL

SAT

23h 24m

1 stop

$216Frontier

mar., may. 12 - vie., may. 15

7:54 pm - 5:37 am

SAT

PHL

8h 43m

1 stop

8:35 pm - 6:59 pm

PHL

SAT

23h 24m

1 stop

$217Frontier

vie., may. 29 - mar., jun. 2

8:59 pm - 5:10 am

SAT

PHL

31h 11m

1 stop

10:40 am - 8:14 pm

PHL

SAT

10h 34m

1 stop

$230Frontier

mar., may. 26 - vie., may. 29

7:54 pm - 5:37 am

SAT

PHL

8h 43m

1 stop

6:45 am - 4:16 pm

PHL

SAT

10h 31m

1 stop

$234Multiple Airlines

sáb., may. 16 - lun., may. 18

7:54 pm - 5:37 am

SAT

PHL

8h 43m

1 stop

8:35 pm - 6:59 pm

PHL

SAT

23h 24m

1 stop

$238Frontier

vie., may. 8 - dom., may. 10

7:54 pm - 5:37 am

SAT

PHL

8h 43m

1 stop

8:35 pm - 6:59 pm

PHL

SAT

23h 24m

1 stop

$241Frontier

mié., may. 27 - mié., jun. 3

8:59 pm - 5:10 am

SAT

PHL

31h 11m

1 stop

8:35 pm - 6:59 pm

PHL

SAT

23h 24m

1 stop

$243Frontier

mar., may. 26 - mar., jun. 2

8:56 pm - 6:27 am

SAT

PHL

8h 31m

1 stop

11:06 am - 8:11 pm

PHL

SAT

10h 05m

1 stop

$244Frontier

sáb., jun. 13 - sáb., jun. 20

Frontier flights from San Antonio to Philadelphia

Our best Frontier deals on San Antonio to Philadelphia flight tickets

Frontier

Jun 9

SAT8:56 pmSan Antonio

8h 31m

1 stop

PHL6:27 amPhiladelphia

Jun 16

PHL11:06 amPhiladelphia

10h 05m

1 stop

SAT8:11 pmSan Antonio

$210

Frontier

May 12

SAT7:54 pmSan Antonio

8h 43m

1 stop

PHL5:37 amPhiladelphia

May 15

PHL8:35 pmPhiladelphia

23h 24m

1 stop

SAT6:59 pmSan Antonio

$216

Frontier

May 29

SAT7:54 pmSan Antonio

8h 43m

1 stop

PHL5:37 amPhiladelphia

Jun 2

PHL8:35 pmPhiladelphia

23h 24m

1 stop

SAT6:59 pmSan Antonio

$217

Spirit Airlines flights from San Antonio to Philadelphia

Our best Spirit Airlines deals on San Antonio to Philadelphia flight tickets

Spirit Airlines

May 14

SAT5:26 pmSan Antonio

14h 59m

1 stop

PHL9:25 amPhiladelphia

May 17

PHL6:45 amPhiladelphia

10h 31m

1 stop

SAT4:16 pmSan Antonio

$283

Spirit Airlines

May 29

SAT5:26 pmSan Antonio

17h 22m

1 stop

PHL11:48 amPhiladelphia

May 31

PHL6:45 amPhiladelphia

10h 31m

1 stop

SAT4:16 pmSan Antonio

$293

Spirit Airlines

May 15

SAT5:26 pmSan Antonio

17h 22m

1 stop

PHL11:48 amPhiladelphia

May 17

PHL6:45 amPhiladelphia

10h 31m

1 stop

SAT4:16 pmSan Antonio

$308

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

sáb. 5/16

7:54 pm-5:37 am

1 stop8h 43m

Philadelphia

lun. 5/18

6:45 am-4:16 pm

1 stop10h 31m

$209

Quickest round-trip

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

mar. 6/9

8:56 pm-6:27 am

1 stop8h 31m

Philadelphia

mar. 6/16

11:06 am-8:11 pm

1 stop10h 05m

$210

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

mar. 5/12

7:54 pm-5:37 am

1 stop8h 43m

Philadelphia

vie. 5/15

8:35 pm-6:59 pm

1 stop23h 24m

$216

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

vie. 5/29

7:54 pm-5:37 am

1 stop8h 43m

Philadelphia

mar. 6/2

8:35 pm-6:59 pm

1 stop23h 24m

$217

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

mar. 5/26

8:59 pm-5:10 am

1 stop31h 11m

Philadelphia

vie. 5/29

10:40 am-8:14 pm

1 stop10h 34m

$230

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

sáb. 5/16

7:54 pm-5:37 am

1 stop8h 43m

Philadelphia

lun. 5/18

6:45 am-4:16 pm

1 stop10h 31m

$234

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

vie. 5/8

7:54 pm-5:37 am

1 stop8h 43m

Philadelphia

dom. 5/10

8:35 pm-6:59 pm

1 stop23h 24m

$238

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

mié. 5/27

7:54 pm-5:37 am

1 stop8h 43m

Philadelphia

mié. 6/3

8:35 pm-6:59 pm

1 stop23h 24m

$241

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

mar. 5/26

8:59 pm-5:10 am

1 stop31h 11m

Philadelphia

mar. 6/2

8:35 pm-6:59 pm

1 stop23h 24m

$243

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

sáb. 6/13

8:56 pm-6:27 am

1 stop8h 31m

Philadelphia

sáb. 6/20

11:06 am-8:11 pm

1 stop10h 05m

$244

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

Other information

What is the typical price of a round-trip flight between San Antonio and Philadelphia?

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from San Antonio is in April. Flight prices, which tend to average around $341, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Philadelphia, with average flight prices from San Antonio averaging around $369.

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 $453. 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 $1,219.

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 $492. 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 $1,313.

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 from San Antonio 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 $430 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 $292 on momondo.

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

As of April 2026, prices for San Antonio to Philadelphia flights are approximately 17% cheaper 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	$233
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 $233. The best round-trip flight deal from San Antonio to Philadelphia found on momondo in the last 72 hours is $473.

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

Frequently asked questions about flying from San Antonio to Philadelphia

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 April 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 68.00% of the total bookings. Other popular models include Airbus A220-300 with 10.00%, Boeing 777 with 4.00%, and Airbus A321neo with 4.00%.
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 23%, Delta with 11%, 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 5.6 2,970 reviews	Search Frontier flights
United Airlines	PriceFrom $194	Free Cancellation	Rating 7.4 9,680 reviews	Search United Airlines flights
Spirit Airlines	PriceFrom $206	Free Cancellation	Rating 6.3 8,631 reviews	Search Spirit Airlines flights
Southwest	PriceFrom $243	Free Cancellation	Rating 8.0 4,315 reviews	Search Southwest flights
American Airlines	PriceFrom $335	Free Cancellation	Rating 7.1 11,680 reviews	Search American Airlines flights
Delta	PriceFrom $338	Free Cancellation	Rating 7.9 8,467 reviews	Search Delta flights

American Airlines Flights From San Antonio to Philadelphia
American Airlines flight deals from San Antonio to Philadelphia start from $335 round-trip. Over the 3 American Airlines flights for this route in a normal week, average airfare is usually $469 round-trip - but some users have found much cheaper deals with momondo.

Wildwood

Rehoboth Beach

Cape May

Wildwood Crest

Ocean City

Cherry Hill

King of Prussia

Newark

Dewey Beach

Reading

Avalon

Dover

North Wildwood

Lewes

Stone Harbor

New Castle

Essington

Vineland

Pottstown

Somers Point

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.