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.
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Spirit Airlines flights from San Antonio to Philadelphia
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Frontier flights from San Antonio to Philadelphia
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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.
What is the cheapest airline that flies from San Antonio to Philadelphia?
Frontier, Southwest, and Spirit Airlines are the most popular carriers operating from San Antonio to Philadelphia
What airlines fly to Philadelphia?
American Airlines, United Airlines and Spirit Airlines are the top three most popular airlines that fly to Philadelphia from San Antonio according to our data. American Airlines is the first choice among our users, with 37% 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.
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 July 2025. The most frequent departure time is 12:00PM, with 100% of daily flights leaving in the afternoon.
How many flights depart from San Antonio to Philadelphia on average per week?
As of July 2025, 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
Best Price Found | $82 |
|---|---|
Fastest flight time | 5h 10m |
Direct flights | Every day |
Airports in Philadelphia | 1 airport |
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?
As of July 2025, there are 6 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 57.00% of the total bookings. Other popular models include Airbus A220-300 with 7.00%, Airbus A320-100/200 with 7.00%, and Airbus A220-100 with 6.00%.
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 60% of the total bookings. Other popular airlines include Southwest with 12%, Delta with 11%, and United Airlines with 6%.
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 $109 | Free Cancellation | Rating 5.9 3,268 reviews | |||
| PriceFrom $149 | Free Cancellation | Rating 6.3 8,060 reviews | |||
| PriceFrom $266 | Free Cancellation | Rating 8.0 7,958 reviews | |||
| PriceFrom $311 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $360 | Free Cancellation | Rating 8.0 4,253 reviews | |||
| PriceFrom $408 | Free Cancellation | Rating 7.4 8,843 reviews |
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 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.