Cheap flights from San Antonio to Philadelphia from $123
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 11/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
San AntonioPhiladelphia
SAT San Antonio - PHL Philadelphia
SATPHL
San Antonio
Mon 2/1
12:58 pm-8:20 pm
2 stops30h 22m
Philadelphia
Sat 2/6
4:16 pm-9:10 am
1 stop17h 54m
San AntonioPhiladelphia
SAT San Antonio - PHL Philadelphia
SATPHL
San Antonio
Thu 11/12
9:25 am-7:21 am
2 stops44h 56m
Philadelphia
Wed 11/18
9:30 am-8:45 am
1 stop24h 15m
San AntonioPhiladelphia
SAT San Antonio - PHL Philadelphia
SATPHL
San Antonio
Fri 11/6
2:30 pm-12:10 am
1 stop8h 40m
Philadelphia
Sun 11/8
6:00 am-10:35 am
1 stop5h 35m
San AntonioPhiladelphia
SAT San Antonio - PHL Philadelphia
SATPHL
San Antonio
Thu 11/12
4:55 pm-12:10 am
1 stop6h 15m
Philadelphia
Mon 11/16
5:00 am-2:05 pm
1 stop10h 05m
San AntonioPhiladelphia
SAT San Antonio - PHL Philadelphia
SATPHL
San Antonio
Sat 11/7
1:15 pm-10:57 pm
1 stop8h 42m
Philadelphia
Sat 11/14
6:00 am-11:18 am
1 stop6h 18m
San AntonioPhiladelphia
SAT San Antonio - PHL Philadelphia
SATPHL
San Antonio
Sat 11/7
9:35 am-6:45 pm
1 stop8h 10m
Philadelphia
Sun 11/8
6:00 am-11:13 am
1 stop6h 13m
San AntonioPhiladelphia
SAT San Antonio - PHL Philadelphia
SATPHL
San Antonio
Mon 11/2
5:13 pm-6:19 pm
2 stops24h 06m
Philadelphia
Mon 11/9
7:35 am-4:18 pm
1 stop9h 43m
San AntonioPhiladelphia
SAT San Antonio - PHL Philadelphia
SATPHL
San Antonio
Mon 11/30
12:06 pm-12:53 am
1 stop11h 47m
Philadelphia
Mon 12/14
5:01 am-11:40 am
1 stop7h 39m
San AntonioPhiladelphia
SAT San Antonio - PHL Philadelphia
SATPHL
San Antonio
Thu 11/26
5:30 am-11:14 pm
1 stop16h 44m
Philadelphia
Wed 12/2
8:01 am-10:19 pm
1 stop15h 18m
San AntonioPhiladelphia
SAT San Antonio - PHL Philadelphia
SATPHL
San Antonio
Sat 11/21
4:00 pm-11:15 pm
1 stop6h 15m
Philadelphia
Wed 12/2
3:39 pm-12:35 am
1 stop9h 56m
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?
Prices are currently low for flights on this route.
Typical prices usually range from $322 to $547.The lowest price recently found on this route was $250.
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 $459. 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 $542. 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 $1,190.
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 $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 $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.
What is the cheapest airline that flies from San Antonio to Philadelphia?
Southwest and United Airlines are the most popular carriers operating from San Antonio to Philadelphia
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 38% 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.
Which airport is the most popular layover for flights between San Antonio and Philadelphia?
Dallas (DFW) was the most common stop: 25% 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.
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.
How many flights depart from San Antonio to Philadelphia on average per day?
The number of flights available between San Antonio and Philadelphia is 2 per day as of October 2026. The most frequent departure time is 7:00AM, with 100% of daily flights leaving at noon.
How many flights depart from San Antonio to Philadelphia on average per week?
As of October 2026, 14 flights take off from San Antonio and land in Philadelphia each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.
When to book flights from San Antonio to Philadelphia
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
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 43m, 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 October 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 55.06% of the total bookings. Other popular models include Airbus A220-300 with 15.73%, Airbus A320-100/200 with 12.36%, and Boeing 737 MAX 8 with 3.37%.
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 49% of the total bookings. Other popular airlines include Southwest with 27%, Frontier with 11%, and Delta with 9%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $141 | Free Cancellation | Rating 5.5 2,542 reviews | |||
| PriceFrom $194 | Free Cancellation | Rating 7.4 10,348 reviews | |||
| PriceFrom $221 | Free Cancellation | Rating 7.9 4,221 reviews | |||
| PriceFrom $236 | Free Cancellation | Rating 7.8 8,654 reviews | |||
| PriceFrom $251 | Free Cancellation | Rating 7.0 12,150 reviews |
American Airlines Flights From San Antonio to Philadelphia
American Airlines flight deals from San Antonio to Philadelphia start from $251 round-trip. Over the 7 American Airlines flights for this route in a normal week, average airfare is usually $507 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 locationsWhy 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.