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Cheap flights from San Antonio to Philadelphia from $71

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 4/29. 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

KAYAK's recommended round-trip deals from the most popular airlines that fly from San Antonio to Philadelphia.
Spirit Airlines Logo
8:56 pm - 10:58 amSAT-PHL
13h 02m1 stop
Spirit Airlines Logo
7:03 pm - 8:01 pmPHL-SAT
25h 58m1 stop
$177Spirit Airlines
Find Deal
Fri, Apr 25 - Tue, Apr 29
Spirit Airlines Logo
8:56 pm - 10:58 amSAT-PHL
13h 02m1 stop
Spirit Airlines Logo
6:00 pm - 4:08 pmPHL-SAT
23h 08m1 stop
$178Spirit Airlines
Find Deal
Mon, Apr 14 - Mon, Apr 21
American Airlines Logo
6:14 am - 2:37 pmSAT-PHL
7h 23m1 stop
American Airlines Logo
8:54 am - 11:40 amPHL-SAT
3h 46mnonstop
$351American Airlines
Find Deal
Wed, Jul 16 - Wed, Jul 23
Southwest Logo
6:20 am - 12:50 pmSAT-PHL
5h 30m1 stop
Southwest Logo
7:20 am - 3:55 pmPHL-SAT
9h 35m2 stops
$366Southwest
Find Deal
Wed, Jul 16 - Wed, Jul 23
Delta Logo
6:45 am - 1:34 pmSAT-PHL
5h 49m1 stop
Delta Logo
5:55 am - 1:07 pmPHL-SAT
8h 12m1 stop
$381Delta
Find Deal
Tue, Jul 15 - Wed, Jul 23
American Airlines Logo
12:25 pm - 5:09 pmSAT-PHL
3h 44mnonstop
American Airlines Logo
8:54 am - 11:40 amPHL-SAT
3h 46mnonstop
$389American Airlines
Find Deal
Sat, Jul 19 - Sun, Jul 27
Southwest Logo
1:25 pm - 10:50 pmSAT-PHL
8h 25m2 stops
Southwest Logo
5:55 am - 1:25 pmPHL-SAT
8h 30m2 stops
$400Southwest
Find Deal
Wed, Jul 16 - Wed, Jul 23
Delta Logo
6:17 pm - 5:50 amSAT-PHL
10h 33m1 stop
Delta Logo
2:48 pm - 9:35 pmPHL-SAT
7h 47m1 stop
$421Delta
Find Deal
Thu, May 1 - Mon, May 5
United Airlines Logo
4:03 pm - 10:55 pmSAT-PHL
5h 52m1 stop
United Airlines Logo
6:30 am - 12:12 pmPHL-SAT
6h 42m1 stop
$471United Airlines
Find Deal
Sat, May 10 - Mon, May 12
United Airlines Logo
5:30 am - 2:05 pmSAT-PHL
7h 35m2 stops
United Airlines Logo
6:30 am - 3:46 pmPHL-SAT
10h 16m2 stops
$481United Airlines
Find Deal
Sat, May 3 - Mon, May 5

Frontier flights from San Antonio to Philadelphia

Our best Frontier deals on San Antonio to Philadelphia flight tickets
Frontier
May 2
SAT8:31 pmSan Antonio
13h 07m
1 stop
PHL10:38 amPhiladelphia
May 5
PHL8:41 amPhiladelphia
11h 50m
1 stop
SAT7:31 pmSan Antonio
Frontier
May 16
SAT8:31 pmSan Antonio
24h 40m
1 stop
PHL10:11 pmPhiladelphia
May 18
PHL4:33 pmPhiladelphia
27h 58m
1 stop
SAT7:31 pmSan Antonio
Frontier
Apr 17
SAT4:34 pmSan Antonio
13h 13m
1 stop
PHL6:47 amPhiladelphia
Apr 28
PHL12:03 pmPhiladelphia
7h 56m
1 stop
SAT6:59 pmSan Antonio

United Airlines flights from San Antonio to Philadelphia

Our best United Airlines deals on San Antonio to Philadelphia flight tickets
United Airlines
May 10
SAT4:03 pmSan Antonio
5h 52m
1 stop
PHL10:55 pmPhiladelphia
May 12
PHL6:30 amPhiladelphia
6h 42m
1 stop
SAT12:12 pmSan Antonio
United Airlines
May 3
SAT5:30 amSan Antonio
7h 35m
2 stops
PHL2:05 pmPhiladelphia
May 5
PHL6:30 amPhiladelphia
10h 16m
2 stops
SAT3:46 pmSan Antonio
United Airlines
Jun 8
SAT5:30 amSan Antonio
5h 16m
1 stop
PHL11:46 amPhiladelphia
Jun 10
PHL8:31 amPhiladelphia
10h 11m
2 stops
SAT5:42 pmSan 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 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 May is another great option to travel to Philadelphia, with average flight prices from San Antonio averaging around $397.

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 Friday. Travelers who choose to depart for Philadelphia on a Friday will often find tickets for as low as $499. 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 $1,071.

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 $723.

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 19 weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $437 when searching 19 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 $370 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 April 2025, prices for San Antonio to Philadelphia flights are approximately 58% 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

$71

Fastest flight time

3h 40m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from San Antonio in the past 72 hours is $71. The best round-trip flight deal from San Antonio to Philadelphia found on momondo in the last 72 hours is $177.
The fastest flight from San Antonio to Philadelphia takes 3h 40m
Direct flights go from San Antonio to Philadelphia on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is American Airlines.
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 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
FrontierPriceFrom $109Free CancellationRating
5.9
3,277 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $129Free CancellationRating
6.3
7,886 reviews
Search Spirit Airlines flights
DeltaPriceFrom $291Free CancellationRating
8.0
7,899 reviews
Search Delta flights
American AirlinesPriceFrom $317Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $355Free CancellationRating
7.4
8,615 reviews
Search United Airlines flights
SouthwestPriceFrom $360Free CancellationRating
8.0
4,275 reviews
Search Southwest flights

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
Reading
King of Prussia
Newark
Dover
North Wildwood
Cherry Hill
Dewey Beach
Lewes
Exton
Vineland
Essington
Pottstown
New Castle
Avalon
West Chester

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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