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

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

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

Frontier and Delta are the most popular carriers operating from San Antonio to Philadelphia

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

Flights connecting via St. Louis (STL) have the shortest average one-way travel time: 5h 10m.

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

St. Louis (STL) has the shortest average layover time for this route: 0h 50m.

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?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Philadelphia from San Antonio according to our data. United Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 6 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

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 November 2026, there are 5 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.

$118 Cheap Flights from San Antonio to Philadelphia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Antonio to Philadelphia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:32 pm - 7:01 pmSAT San Antonio-PHL Philadelphia

28h 29m1 stop Orlando

11:07 am - 11:40 amPHL Philadelphia-SAT San Antonio

25h 33m1 stop Orlando

$238Frontier

Wed, Dec 2 - Tue, Dec 15

12:32 pm - 9:00 amSAT San Antonio-PHL Philadelphia

19h 28m1 stop Orlando

7:01 am - 11:40 amPHL Philadelphia-SAT San Antonio

29h 39m1 stop Orlando

$248Frontier

Wed, Dec 9 - Tue, Dec 15

3:20 pm - 9:30 pmSAT San Antonio-PHL Philadelphia

5h 10m1 stop Lambert-St Louis

5:05 pm - 9:45 pmPHL Philadelphia-SAT San Antonio

5h 40m1 stop Dallas Love Field

$346Southwest

Mon, Dec 7 - Wed, Dec 9

1:00 pm - 9:30 pmSAT San Antonio-PHL Philadelphia

7h 30m2 stops Dallas Love Field Lambert-St Louis

5:05 pm - 9:45 pmPHL Philadelphia-SAT San Antonio

5h 40m1 stop Dallas Love Field

$351Southwest

Mon, Dec 7 - Wed, Dec 9

11:55 am - 8:46 pmSAT San Antonio-PHL Philadelphia

7h 51m1 stop Orlando

6:30 am - 12:18 pmPHL Philadelphia-SAT San Antonio

30h 48m2 stops Fort Lauderdale Memphis

$363Multiple Airlines

Sat, Jan 30 - Sun, Feb 7

9:50 am - 10:55 pmSAT San Antonio-PHL Philadelphia

12h 05m1 stop Raleigh-Durham

3:01 pm - 7:34 pmPHL Philadelphia-SAT San Antonio

29h 33m2 stops Atlanta Hartsfield-Jackson Denver Intl

$364Multiple Airlines

Thu, Jan 14 - Sun, Jan 17

5:58 pm - 11:59 pmSAT San Antonio-PHL Philadelphia

5h 01m1 stop Charlotte Douglas

6:00 am - 11:02 amPHL Philadelphia-SAT San Antonio

6h 02m1 stop Charlotte Douglas

$417American Airlines

Fri, Dec 18 - Tue, Dec 22

5:16 am - 1:00 pmSAT San Antonio-PHL Philadelphia

6h 44m1 stop Atlanta Hartsfield-Jackson

5:12 pm - 11:21 pmPHL Philadelphia-SAT San Antonio

7h 09m1 stop Atlanta Hartsfield-Jackson

$417Delta

Thu, Dec 17 - Fri, Dec 25

7:38 am - 2:33 pmSAT San Antonio-PHL Philadelphia

5h 55m1 stop Atlanta Hartsfield-Jackson

8:01 am - 12:40 pmPHL Philadelphia-SAT San Antonio

5h 39m1 stop Atlanta Hartsfield-Jackson

$417Delta

Sat, Dec 5 - Tue, Dec 15

6:05 am - 2:51 pmSAT San Antonio-PHL Philadelphia

7h 46m1 stop Washington, D.C. Reagan-National

5:46 pm - 11:56 pmPHL Philadelphia-SAT San Antonio

7h 10m1 stop Charlotte Douglas

$427American Airlines

Sat, Jan 16 - Tue, Jan 19

Cheap last minute flights

Enter your travel dates to find the best prices.

9:25 am - 4:24 pmSAT San Antonio-PHL Philadelphia

5h 59m1 stop Raleigh-Durham

7:25 pm - 8:45 amPHL Philadelphia-SAT San Antonio

14h 20m1 stop Raleigh-Durham

$357Multiple Airlines

Thu, Nov 12 - Sat, Nov 14

5:13 pm - 12:35 amSAT San Antonio-PHL Philadelphia

6h 22m1 stop Orlando

5:45 pm - 4:18 pmPHL Philadelphia-SAT San Antonio

23h 33m1 stop Orlando

$419Frontier

Fri, Nov 13 - Sun, Nov 15

9:25 am - 9:30 amSAT San Antonio-PHL Philadelphia

23h 05m2 stops Raleigh-Durham Orlando

7:25 pm - 8:45 amPHL Philadelphia-SAT San Antonio

14h 20m1 stop Raleigh-Durham

$432Multiple Airlines

Thu, Nov 12 - Sat, Nov 14

10:29 pm - 6:19 pmSAT San Antonio-PHL Philadelphia

18h 50m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson

7:35 am - 9:34 pmPHL Philadelphia-SAT San Antonio

14h 59m2 stops Orlando Las Vegas Harry Reid Intl

$530Frontier

Wed, Nov 11 - Wed, Nov 18

7:10 am - 1:15 pmSAT San Antonio-PHL Philadelphia

5h 05m1 stop Nashville Intl

5:05 pm - 9:45 pmPHL Philadelphia-SAT San Antonio

5h 40m1 stop Dallas Love Field

$631Southwest

Wed, Nov 11 - Tue, Nov 17

5:50 am - 12:30 pmSAT San Antonio-PHL Philadelphia

5h 40m1 stop Dallas Love Field

5:35 am - 10:35 amPHL Philadelphia-SAT San Antonio

6h 00m1 stop Nashville Intl

$631Southwest

Wed, Nov 11 - Wed, Nov 18

6:40 am - 2:10 pmSAT San Antonio-PHL Philadelphia

6h 30m1 stop Minneapolis St Paul

2:12 pm - 7:48 pmPHL Philadelphia-SAT San Antonio

6h 36m1 stop Atlanta Hartsfield-Jackson

$720Delta

Tue, Nov 10 - Fri, Nov 13

5:00 am - 11:34 amSAT San Antonio-PHL Philadelphia

5h 34m1 stop Dallas/Fort Worth

6:00 am - 12:27 pmPHL Philadelphia-SAT San Antonio

7h 27m1 stop Charlotte Douglas

$799American Airlines

Thu, Nov 12 - Sun, Nov 15

9:35 am - 9:38 pmSAT San Antonio-PHL Philadelphia

11h 03m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

6:15 am - 12:08 pmPHL Philadelphia-SAT San Antonio

6h 53m1 stop Chicago O'Hare Intl

$804United Airlines

Thu, Nov 12 - Sun, Nov 15

2:20 pm - 11:30 pmSAT San Antonio-PHL Philadelphia

8h 10m2 stops Houston George Bush Intcntl Washington, D.C. Dulles Intl

6:15 am - 3:38 pmPHL Philadelphia-SAT San Antonio

10h 23m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

$809United Airlines

Thu, Nov 12 - Sun, Nov 15

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Frontier flights from San Antonio to Philadelphia

Our best Frontier deals on San Antonio to Philadelphia flight tickets

Frontier

Dec 2

SAT1:32 pmSan Antonio

28h 29m

1 stop

PHL7:01 pmPhiladelphia

Dec 15

PHL11:07 amPhiladelphia

25h 33m

1 stop

SAT11:40 amSan Antonio

$238

Frontier

Dec 9

SAT12:32 pmSan Antonio

19h 28m

1 stop

PHL9:00 amPhiladelphia

Dec 15

PHL7:01 amPhiladelphia

29h 39m

1 stop

SAT11:40 amSan Antonio

$248

Frontier

Dec 2

SAT1:32 pmSan Antonio

8h 21m

1 stop

PHL10:53 pmPhiladelphia

Dec 17

PHL4:41 pmPhiladelphia

20h 51m

1 stop

SAT12:32 pmSan Antonio

$267

Southwest flights from San Antonio to Philadelphia

Our best Southwest deals on San Antonio to Philadelphia flight tickets

Southwest

Dec 7

SAT1:00 pmSan Antonio

7h 30m

2 stops

PHL9:30 pmPhiladelphia

Dec 9

PHL5:05 pmPhiladelphia

5h 40m

1 stop

SAT9:45 pmSan Antonio

$351

Southwest

Dec 7

SAT5:50 amSan Antonio

5h 40m

1 stop

PHL12:30 pmPhiladelphia

Dec 8

PHL1:25 pmPhiladelphia

8h 15m

2 stops

SAT8:40 pmSan Antonio

$357

Southwest

Nov 21

SAT2:35 pmSan Antonio

7h 30m

2 stops

PHL11:05 pmPhiladelphia

Nov 23

PHL2:30 pmPhiladelphia

8h 50m

2 stops

SAT10:20 pmSan Antonio

$691

momondo 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

Cheapest round-trip

San AntonioPhiladelphia

SAT San Antonio - PHL Philadelphia

SATPHL

San Antonio

Wed 12/2

1:32 pm-7:01 pm

1 stop28h 29m

Philadelphia

Tue 12/15

11:07 am-11:40 am

1 stop25h 33m

$238

San AntonioPhiladelphia

SAT San Antonio - PHL Philadelphia

SATPHL

San Antonio

Wed 12/9

12:32 pm-9:00 am

1 stop19h 28m

Philadelphia

Tue 12/15

7:01 am-11:40 am

1 stop29h 39m

$248

Quickest round-trip

San AntonioPhiladelphia

SAT San Antonio - PHL Philadelphia

SATPHL

San Antonio

Mon 12/7

3:20 pm-9:30 pm

1 stop5h 10m

Philadelphia

Wed 12/9

5:05 pm-9:45 pm

1 stop5h 40m

$346

San AntonioPhiladelphia

SAT San Antonio - PHL Philadelphia

SATPHL

San Antonio

Mon 12/7

1:00 pm-9:30 pm

2 stops7h 30m

Philadelphia

Wed 12/9

5:05 pm-9:45 pm

1 stop5h 40m

$351

San AntonioPhiladelphia

SAT San Antonio - PHL Philadelphia

SATPHL

San Antonio

Sat 1/30

11:55 am-8:46 pm

1 stop7h 51m

Philadelphia

Sun 2/7

6:30 am-12:18 pm

2 stops30h 48m

$363

San AntonioPhiladelphia

SAT San Antonio - PHL Philadelphia

SATPHL

San Antonio

Thu 1/14

9:50 am-10:55 pm

1 stop12h 05m

Philadelphia

Sun 1/17

3:01 pm-7:34 pm

2 stops29h 33m

$364

San AntonioPhiladelphia

SAT San Antonio - PHL Philadelphia

SATPHL

San Antonio

Fri 12/18

5:58 pm-11:59 pm

1 stop5h 01m

Philadelphia

Tue 12/22

6:00 am-11:02 am

1 stop6h 02m

$417

San AntonioPhiladelphia

SAT San Antonio - PHL Philadelphia

SATPHL

San Antonio

Thu 12/17

5:16 am-1:00 pm

1 stop6h 44m

Philadelphia

Fri 12/25

5:12 pm-11:21 pm

1 stop7h 09m

$417

San AntonioPhiladelphia

SAT San Antonio - PHL Philadelphia

SATPHL

San Antonio

Sat 12/5

7:38 am-2:33 pm

1 stop5h 55m

Philadelphia

Tue 12/15

8:01 am-12:40 pm

1 stop5h 39m

$417

San AntonioPhiladelphia

SAT San Antonio - PHL Philadelphia

SATPHL

San Antonio

Sat 1/16

6:05 am-2:51 pm

1 stop7h 46m

Philadelphia

Tue 1/19

5:46 pm-11:56 pm

1 stop7h 10m

$427

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 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 $267 to $659.
The lowest price recently found on this route was $238.

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 August is another great option to travel to Philadelphia, with average flight prices from San Antonio averaging around $371.

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 Tuesday. Travelers who choose to depart for Philadelphia on a Tuesday will often find tickets for as low as $471. 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 $876.

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 $555. 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 $1,189.

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 $456 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 $302 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 November 2026, prices for San Antonio to Philadelphia flights are approximately 66% 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	$118
Fastest flight time	5h 19m
Direct flights	None

The best one-way flight to Philadelphia from San Antonio in the past 72 hours is $118. The best round-trip flight deal from San Antonio to Philadelphia found on momondo in the last 72 hours is $238.

The fastest flight from San Antonio to Philadelphia takes 5h 19m

There are no direct flights from San Antonio to Philadelphia. There are no popular flight routes from San Antonio to Philadelphia.

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 5h 19m, 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 November 2026, there are 5 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 50.00% of the total bookings. Other popular models include Airbus A320-100/200 with 15.15%, Airbus A220-300 with 12.12%, and Boeing 737 MAX 8 with 4.55%.
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 47% of the total bookings. Other popular airlines include Southwest with 27%, Frontier with 12%, and Delta with 10%.

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 5.5 2,507 reviews	Search Frontier flights
United Airlines	PriceFrom $194	Free Cancellation	Rating 7.3 10,471 reviews	Search United Airlines flights
Southwest	PriceFrom $221	Free Cancellation	Rating 8.0 4,219 reviews	Search Southwest flights
Delta	PriceFrom $236	Free Cancellation	Rating 7.8 8,699 reviews	Search Delta flights
American Airlines	PriceFrom $247	Free Cancellation	Rating 7.0 12,227 reviews	Search American Airlines flights

Wildwood

Cape May

Rehoboth Beach

Wildwood Crest

Ocean City

Cherry Hill

King of Prussia

Newark

Essington

Reading

Dover

Dewey Beach

New Castle

North Wildwood

Vineland

Chester

Pottstown

Lewes

Elkton

Avalon

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.