Cheap flights from Philadelphia to San Antonio from $95
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to San Antonio departing on 6/1. 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 Philadelphia to San Antonio
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How to get the cheapest flight ticket from Philadelphia to San Antonio
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 San Antonio?
If you aren’t able to travel during the month of August, then book flights to San Antonio from Philadelphia during February instead. Flights to San Antonio in February, while not as cheap as those in August, still average around $409.
What is the cheapest day to depart on your flight to San Antonio?
The cheapest day to depart on your flight to San Antonio is on a Wednesday when prices can be found for as low as $435. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Monday is $517.
What is the cheapest time of day to depart on your flight to San Antonio?
According to our data, the cheapest time of day to fly to San Antonio is in the evening. momondo users have found flights departing from Philadelphia to San Antonio in the evening for as low as $353. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the morning, with an average ticket price of $463. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Philadelphia to San Antonio flight route?
Fly from Philadelphia to San Antonio for the best Philadelphia - San Antonio flight prices
How far in advance should I book a flight to San Antonio?
You are more likely to see cheaper flights to San Antonio from Philadelphia when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $438 when searching 15 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Philadelphia for as low as $324 on momondo.
What cabin class options are available on Philadelphia to San Antonio flights?
There are 3 cabin classes available to choose from on Philadelphia to San Antonio 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 Philadelphia to San Antonio?
Frontier, Spirit Airlines, and Delta are the most popular carriers operating from Philadelphia to San Antonio
What airlines fly to San Antonio?
United Airlines, American Airlines and Spirit Airlines are the top three most popular airlines that fly to San Antonio from Philadelphia 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 San Antonio. Keep in mind that there are 6 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.
When to book flights from Philadelphia to San Antonio
Cheap Philadelphia to San Antonio (PHL to SAT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Philadelphia to San Antonio
How far is Philadelphia to San Antonio by plane?
A flight from Philadelphia to San Antonio will travel around 1504.8 mi. In terms of flight time, this usually takes a little over 3h 46m.
When did momondo last update prices for flights from Philadelphia Airport to San Antonio Airport?
Prices for flights from Philadelphia Airport to San Antonio Airport refresh daily.
How many operators does momondo search for flights from Philadelphia Airport to San Antonio Airport?
As of May 2025, there are 6 operators available to choose from for flights from Philadelphia Airport to San Antonio Airport.
How old do you have to be to fly from Philadelphia Airport to San Antonio Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The travel and health documents required for your trip to San Antonio Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Antonio Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Philadelphia to San Antonio?
Based on momondo bookings for flights between Philadelphia and San Antonio, the leading plane model is Airbus A319, making up 76.32% of the total bookings. Other popular models include Airbus A321neo with 7.89%, Airbus A321-100/200 with 5.26%, and Boeing 737-800 with 5.26%.
What is the most popular airline from Philadelphia to San Antonio?
Based on momondo bookings for flights between Philadelphia and San Antonio, the leading airline is American Airlines, making up 55% of the total bookings. Other popular airlines include Southwest with 14%, Delta with 11%, and United Airlines with 8%.
Best airlines flying from Philadelphia to San Antonio
Compare and see reviews for airlines that fly from Philadelphia to San Antonio with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $125 | Free Cancellation | Rating 5.9 3,287 reviews | |||
| PriceFrom $149 | Free Cancellation | Rating 6.3 7,963 reviews | |||
| PriceFrom $270 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom $316 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $318 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom $330 | Free Cancellation | Rating 8.0 4,294 reviews |
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Philadelphia to San Antonio?
It is quick and easy to find Philadelphia to San Antonio 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 San Antonio that suits you.
Can I find flights from Philadelphia to San Antonio with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Philadelphia to San Antonio flights to just show those with flexible booking policies.
How can momondo help me find flights from Philadelphia to San Antonio?
Once all potential Philadelphia to San Antonio 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 Philadelphia to San Antonio right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Philadelphia to San Antonio now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Antonio and let you know when they change.