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Cheap flights from San Antonio to Philadelphia from $68

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Philadelphia departing on 2/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from San Antonio to Philadelphia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
5:04 pm - 1:01 am
SAT
-
PHL
6h 57m
1 stop
Frontier Logo
5:30 am - 4:20 pm
PHL
-
SAT
11h 50m
1 stop
$166Frontier
ו', פב​​​​​​​' 27 - ב', מרץ 2
Multiple Airlines Logo
10:26 am - 6:48 pm
SAT
-
PHL
7h 22m
1 stop
Multiple Airlines Logo
5:30 am - 4:20 pm
PHL
-
SAT
11h 50m
1 stop
$173Multiple Airlines
ד', פב​​​​​​​' 25 - ב', מרץ 2
Frontier Logo
2:13 pm - 7:32 am
SAT
-
PHL
16h 19m
1 stop
Frontier Logo
10:38 pm - 12:23 pm
PHL
-
SAT
14h 45m
1 stop
$175Frontier
ש', פב​​​​​​​' 28 - ש', מרץ 7
Frontier Logo
1:57 pm - 9:53 pm
SAT
-
PHL
6h 56m
1 stop
Frontier Logo
5:30 am - 4:18 pm
PHL
-
SAT
11h 48m
1 stop
$180Frontier
ה', פב​​​​​​​' 19 - ב', פב​​​​​​​' 23
Multiple Airlines Logo
6:00 am - 7:42 pm
SAT
-
PHL
12h 42m
1 stop
Multiple Airlines Logo
10:08 pm - 12:27 pm
PHL
-
SAT
15h 19m
1 stop
$188Multiple Airlines
ד', מרץ 11 - ג', מרץ 17
Multiple Airlines Logo
6:00 am - 11:50 pm
SAT
-
PHL
16h 50m
2 stops
Multiple Airlines Logo
5:30 am - 4:20 pm
PHL
-
SAT
11h 50m
1 stop
$191Multiple Airlines
ד', פב​​​​​​​' 25 - ב', מרץ 2
Frontier Logo
1:57 pm - 9:53 pm
SAT
-
PHL
6h 56m
1 stop
Frontier Logo
5:30 am - 4:19 pm
PHL
-
SAT
11h 49m
1 stop
$194Frontier
ה', פב​​​​​​​' 19 - א', פב​​​​​​​' 22
Frontier Logo
1:57 pm - 9:53 pm
SAT
-
PHL
6h 56m
1 stop
Frontier Logo
5:30 am - 4:19 pm
PHL
-
SAT
11h 49m
1 stop
$195Frontier
ה', פב​​​​​​​' 19 - א', פב​​​​​​​' 22
Frontier Logo
8:22 pm - 11:10 pm
SAT
-
PHL
25h 48m
2 stops
Frontier Logo
5:30 am - 4:20 pm
PHL
-
SAT
11h 50m
1 stop
$200Frontier
ו', פב​​​​​​​' 27 - ב', מרץ 2
Multiple Airlines Logo
1:57 pm - 9:06 am
SAT
-
PHL
18h 09m
1 stop
Multiple Airlines Logo
2:25 pm - 9:30 am
PHL
-
SAT
20h 05m
1 stop
$203Multiple Airlines
ו', פב​​​​​​​' 13 - ב', פב​​​​​​​' 16

Frontier flights from San Antonio to Philadelphia

Our best Frontier deals on San Antonio to Philadelphia flight tickets
Frontier
Feb 27
SAT5:04 pmSan Antonio
6h 57m
1 stop
PHL1:01 amPhiladelphia
Mar 2
PHL5:30 amPhiladelphia
11h 50m
1 stop
SAT4:20 pmSan Antonio
$166
Frontier
Feb 28
SAT2:13 pmSan Antonio
16h 19m
1 stop
PHL7:32 amPhiladelphia
Mar 7
PHL10:38 pmPhiladelphia
14h 45m
1 stop
SAT12:23 pmSan Antonio
$175
Frontier
Feb 19
SAT1:57 pmSan Antonio
6h 56m
1 stop
PHL9:53 pmPhiladelphia
Feb 23
PHL5:30 amPhiladelphia
11h 48m
1 stop
SAT4:18 pmSan Antonio
$180

Delta flights from San Antonio to Philadelphia

Our best Delta deals on San Antonio to Philadelphia flight tickets
Delta
Feb 4
SAT4:00 pmSan Antonio
6h 13m
1 stop
PHL11:13 pmPhiladelphia
Feb 18
PHL6:16 pmPhiladelphia
7h 19m
1 stop
SAT12:35 amSan Antonio
$463
Delta
Feb 4
SAT5:20 amSan Antonio
4h 51m
1 stop
PHL11:11 amPhiladelphia
Feb 9
PHL4:59 pmPhiladelphia
8h 40m
1 stop
SAT12:39 amSan Antonio
$563

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Philadelphia 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, momondo users made 832,500 searches. Data last updated ינואר 22, 2026.
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

ו' 2/27

5:04 pm-1:01 am

1 stop6h 57m

Philadelphia

ב' 3/2

5:30 am-4:20 pm

1 stop11h 50m

$166

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

ד' 2/25

10:26 am-6:48 pm

1 stop7h 22m

Philadelphia

ב' 3/2

5:30 am-4:20 pm

1 stop11h 50m

$173

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

ש' 2/28

2:13 pm-7:32 am

1 stop16h 19m

Philadelphia

ש' 3/7

10:38 pm-12:23 pm

1 stop14h 45m

$175

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

ה' 2/19

1:57 pm-9:53 pm

1 stop6h 56m

Philadelphia

ב' 2/23

5:30 am-4:18 pm

1 stop11h 48m

$180

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

ד' 3/11

6:00 am-7:42 pm

1 stop12h 42m

Philadelphia

ג' 3/17

10:08 pm-12:27 pm

1 stop15h 19m

$188

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

ד' 2/25

6:00 am-11:50 pm

2 stops16h 50m

Philadelphia

ב' 3/2

5:30 am-4:20 pm

1 stop11h 50m

$191

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

ה' 2/19

1:57 pm-9:53 pm

1 stop6h 56m

Philadelphia

א' 2/22

5:30 am-4:19 pm

1 stop11h 49m

$194

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

ה' 2/19

1:57 pm-9:53 pm

1 stop6h 56m

Philadelphia

א' 2/22

5:30 am-4:19 pm

1 stop11h 49m

$195

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

ו' 2/27

8:22 pm-11:10 pm

2 stops25h 48m

Philadelphia

ב' 3/2

5:30 am-4:20 pm

1 stop11h 50m

$200

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

ו' 2/13

1:57 pm-9:06 am

1 stop18h 09m

Philadelphia

ב' 2/16

2:25 pm-9:30 am

1 stop20h 05m

$203

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Philadelphia from

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

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 Saturday. Travelers who choose to depart for Philadelphia on a Saturday will often find tickets for as low as $478. 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 $1,273.

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 $504. 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 $984.

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 $440 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 $312 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 January 2026, prices for San Antonio to Philadelphia flights are approximately 82% 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

$607

Fastest flight time

3h 40m

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 $607. The best round-trip flight deal from San Antonio to Philadelphia found on momondo in the last 72 hours is $1,036.
The fastest flight from San Antonio to Philadelphia takes 3h 40m
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 40m, 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?

  • 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?

  • What is the most popular airline from San Antonio to Philadelphia?

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
Spirit AirlinesPriceFrom $115Free CancellationRating
6.3
8,365 reviews
Search Spirit Airlines flights
FrontierPriceFrom $142Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
DeltaPriceFrom $208Free CancellationRating
7.9
8,088 reviews
Search Delta flights
United AirlinesPriceFrom $287Free CancellationRating
7.4
9,193 reviews
Search United Airlines flights
SouthwestPriceFrom $296Free CancellationRating
8.0
4,267 reviews
Search Southwest flights
American AirlinesPriceFrom $341Free CancellationRating
7.2
11,175 reviews
Search American Airlines flights

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Cape May
Rehoboth Beach
Wildwood Crest
Ocean City
King of Prussia
Cherry Hill
Newark
Dewey Beach
Reading
North Wildwood
Avalon
Dover
Lewes
Stone Harbor
Essington
Vineland
New Castle
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.

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