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Cheap flights from San Antonio to Philadelphia from $82

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 8/9. 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

Frontier Logo
8:14 pm - 5:09 amSAT-PHL
7h 55m1 stop
Frontier Logo
10:29 pm - 8:05 amPHL-SAT
10h 36m1 stop
$199Frontier
Find Deal
jue., ago. 14 - dom., ago. 17
Southwest Logo
5:35 am - 1:35 pmSAT-PHL
7h 00m1 stop
Southwest Logo
6:30 am - 10:35 amPHL-SAT
5h 05m1 stop
$205Southwest
Find Deal
sáb., ago. 9 - sáb., sep. 6
Frontier Logo
6:59 pm - 5:09 amSAT-PHL
9h 10m1 stop
Frontier Logo
6:45 am - 2:27 pmPHL-SAT
8h 42m1 stop
$210Frontier
Find Deal
sáb., ago. 9 - sáb., sep. 6
Southwest Logo
6:00 am - 2:50 pmSAT-PHL
7h 50m1 stop
Southwest Logo
8:15 am - 5:55 pmPHL-SAT
10h 40m1 stop
$211Southwest
Find Deal
mié., sep. 10 - mié., sep. 17
Southwest Logo
12:05 pm - 9:50 pmSAT-PHL
8h 45m2 stops
Southwest Logo
6:30 am - 1:30 pmPHL-SAT
8h 00m2 stops
$216Southwest
Find Deal
mié., sep. 3 - sáb., sep. 6
Southwest Logo
6:30 am - 1:05 pmSAT-PHL
5h 35m1 stop
Southwest Logo
5:30 am - 9:50 amPHL-SAT
5h 20m1 stop
$219Southwest
Find Deal
mar., sep. 2 - jue., sep. 4
Spirit Airlines Logo
7:10 am - 4:16 pmSAT-PHL
8h 06m1 stop
Spirit Airlines Logo
5:21 pm - 11:59 pmPHL-SAT
7h 38m1 stop
$223Spirit Airlines
Find Deal
sáb., jul. 26 - mié., jul. 30
Southwest Logo
6:30 am - 1:05 pmSAT-PHL
5h 35m1 stop
Southwest Logo
4:25 pm - 10:55 pmPHL-SAT
7h 30m2 stops
$225Southwest
Find Deal
mar., sep. 2 - jue., sep. 4
Spirit Airlines Logo
7:10 am - 4:16 pmSAT-PHL
8h 06m1 stop
Spirit Airlines Logo
5:21 pm - 11:59 pmPHL-SAT
7h 38m1 stop
$227Spirit Airlines
Find Deal
vie., jul. 25 - mié., jul. 30
Spirit Airlines Logo
5:01 pm - 12:05 amSAT-PHL
6h 04m1 stop
Spirit Airlines Logo
5:20 am - 3:55 pmPHL-SAT
11h 35m1 stop
$229Spirit Airlines
Find Deal
vie., oct. 3 - lun., oct. 6

Spirit Airlines flights from San Antonio to Philadelphia

Our best Spirit Airlines deals on San Antonio to Philadelphia flight tickets
Spirit Airlines
Jul 26
SAT7:10 amSan Antonio
8h 06m
1 stop
PHL4:16 pmPhiladelphia
Jul 30
PHL5:21 pmPhiladelphia
7h 38m
1 stop
SAT11:59 pmSan Antonio
Spirit Airlines
Jul 25
SAT7:10 amSan Antonio
8h 06m
1 stop
PHL4:16 pmPhiladelphia
Jul 30
PHL5:21 pmPhiladelphia
7h 38m
1 stop
SAT11:59 pmSan Antonio
Spirit Airlines
Oct 3
SAT5:01 pmSan Antonio
6h 04m
1 stop
PHL12:05 amPhiladelphia
Oct 6
PHL5:20 amPhiladelphia
11h 35m
1 stop
SAT3:55 pmSan Antonio

Frontier flights from San Antonio to Philadelphia

Our best Frontier deals on San Antonio to Philadelphia flight tickets
Frontier
Aug 14
SAT8:14 pmSan Antonio
7h 55m
1 stop
PHL5:09 amPhiladelphia
Aug 17
PHL10:29 pmPhiladelphia
10h 36m
1 stop
SAT8:05 amSan Antonio
Frontier
Aug 9
SAT6:59 pmSan Antonio
9h 10m
1 stop
PHL5:09 amPhiladelphia
Sep 6
PHL6:45 amPhiladelphia
8h 42m
1 stop
SAT2:27 pmSan Antonio
Frontier
Jul 10
SAT8:14 pmSan Antonio
7h 55m
1 stop
PHL5:09 amPhiladelphia
Jul 13
PHL10:29 pmPhiladelphia
10h 36m
1 stop
SAT8:05 amSan Antonio

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 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 February. Flight prices, which tend to average around $375, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Philadelphia, with average flight prices from San Antonio averaging around $398.

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 $507. On the other hand, Sunday 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 $1,214.

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 evening. momondo users have found flights departing from San Antonio to Philadelphia in the evening for as low as $280. 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 $757.

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 $443 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 $338 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 July 2025, prices for San Antonio to Philadelphia flights are approximately 0% 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

$82

Fastest flight time

5h 10m

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 $82. The best round-trip flight deal from San Antonio to Philadelphia found on momondo in the last 72 hours is $199.
The fastest flight from San Antonio to Philadelphia takes 5h 10m
Direct flights go from San Antonio to Philadelphia every day.
There is 1 airport near Philadelphia: Philadelphia (PHL)

  • 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 10m, 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
FrontierPriceFrom $109Free CancellationRating
5.9
3,268 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $149Free CancellationRating
6.3
8,060 reviews
Search Spirit Airlines flights
DeltaPriceFrom $266Free CancellationRating
8.0
7,958 reviews
Search Delta flights
American AirlinesPriceFrom $311Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $360Free CancellationRating
8.0
4,253 reviews
Search Southwest flights
United AirlinesPriceFrom $408Free CancellationRating
7.4
8,843 reviews
Search United Airlines flights
  • American Airlines Flights From San Antonio to Philadelphia

    American Airlines flight deals from San Antonio to Philadelphia start from $311 round-trip. Over the 7 American Airlines flights for this route in a normal week, average airfare is usually $478 round-trip - but some users have found much cheaper deals with momondo.


Traveling to a place near Philadelphia?

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

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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1 adult
lun. 7/14
lun. 7/21

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