PHL - SAT

$116 Find Cheap Flights from Philadelphia to San Antonio - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Philadelphia to San Antonio departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$326
Typical prices: $343-$496
Frontier
Sun 10/4Fri 10/9
PHL - SAT • 1 stop
Cheapest non-stop
$349
American Airlines
Thu 8/6Wed 8/12
PHL - SAT • Non-stop
Nonstop flights
You can fly direct with American Airlines. Average duration is 3h 59m
Direct flights
Direct flights
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Direct flights
Direct flights
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Avoid delays
Most punctual • 77% on-time
Best time • Fewest delays
Insights
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Top layover airports
Cheapest • Avg $260 (round-trip)
Shortest trip • 5h 26m (one-way)
Insights
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When to book
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 27% compared to booking last minute.
Insights
Insights
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Insights
When to travel
Cheapest • 23% price drop
Most popular
Good to know
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Flight Deals

Cheap Flights from Philadelphia to San Antonio (PHL-SAT)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Philadelphia to San Antonio that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Philadelphia to San Antonio

Sun, Oct 4 - Fri, Oct 9
Frontier Logo
8:44 pm - 10:12 am
PHL
-
SAT
14h 28m
1 stop
Frontier Logo
10:34 am - 9:41 pm
SAT
-
PHL
10h 07m
1 stop
$326Frontier
Sat, Aug 22 - Sun, Aug 30
Multiple Airlines Logo
4:45 pm - 9:15 am
PHL
-
SAT
17h 30m
2 stops
Multiple Airlines Logo
8:26 pm - 5:39 am
SAT
-
PHL
8h 13m
1 stop
$327Multiple Airlines
Fri, Aug 21 - Mon, Aug 24
Frontier Logo
2:45 pm - 8:56 am
PHL
-
SAT
19h 11m
2 stops
Frontier Logo
9:51 am - 8:51 am
SAT
-
PHL
22h 00m
1 stop
$329Frontier
Fri, Jul 31 - Fri, Aug 7
Frontier Logo
8:37 pm - 6:44 pm
PHL
-
SAT
23h 07m
1 stop
Frontier Logo
9:51 am - 11:29 pm
SAT
-
PHL
12h 38m
1 stop
$330Frontier
Sat, Aug 1 - Wed, Aug 5
Frontier Logo
1:32 pm - 6:44 pm
PHL
-
SAT
30h 12m
2 stops
Frontier Logo
9:32 pm - 6:00 am
SAT
-
PHL
31h 28m
1 stop
$331Frontier
Sat, Oct 3 - Thu, Oct 8
Frontier Logo
8:44 pm - 10:12 am
PHL
-
SAT
14h 28m
1 stop
Frontier Logo
3:10 pm - 5:36 am
SAT
-
PHL
13h 26m
1 stop
$332Frontier
Fri, Aug 21 - Mon, Aug 24
Frontier Logo
8:30 am - 7:31 pm
PHL
-
SAT
12h 01m
2 stops
Frontier Logo
8:26 pm - 5:39 am
SAT
-
PHL
8h 13m
1 stop
$334Frontier
Fri, Aug 21 - Sun, Aug 23
Frontier Logo
6:30 am - 7:31 pm
PHL
-
SAT
14h 01m
2 stops
Frontier Logo
8:26 pm - 5:39 am
SAT
-
PHL
8h 13m
1 stop
$335Frontier
Tue, Aug 4 - Thu, Aug 6
Frontier Logo
4:30 pm - 6:54 pm
PHL
-
SAT
27h 24m
2 stops
Frontier Logo
7:49 pm - 5:39 am
SAT
-
PHL
8h 50m
1 stop
$336Frontier
Thu, Aug 6 - Thu, Aug 13
Frontier Logo
4:30 pm - 6:54 pm
PHL
-
SAT
27h 24m
2 stops
Frontier Logo
7:49 pm - 5:39 am
SAT
-
PHL
8h 50m
1 stop
$337Frontier
Booking Insights

KAYAK's insights & trends for Philadelphia to San Antonio flights

Get data-powered insights and trends into flights from Philadelphia to San Antonio to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Philadelphia to San Antonio?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Philadelphia to San Antonio departing in October.

What’s the cheapest day of the week to fly from Philadelphia to San Antonio?

The average price of all round-trip flights from Philadelphia to San Antonio clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to San Antonio on a Saturday and more expensive on a Sunday. On your return trip to Philadelphia, you should consider flying back on a Tuesday, and avoid Mondays for better deals.

What is the cheapest month to fly from Philadelphia to San Antonio?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Philadelphia to San Antonio, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Philadelphia to San Antonio is April, where tickets cost $361 (return) on average. On the other hand, the most expensive months are November and March, where the average cost of round-trip tickets is $555 and $545 respectively.

Can I save money by flying with a layover from Philadelphia to San Antonio?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $354, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from Philadelphia to San Antonio?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Philadelphia to San Antonio, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Philadelphia to San Antonio, you should book around 4 weeks before departure, which saves you about 27% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 21 weeks before departure.

Expert advice

Expert advice for your flight from Philadelphia to San Antonio

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on PHL

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Brandon Schultz

Brandon Schultz

Expert on SAT

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Good to know

Low seasonJanuary
Cheapest flight$116
Best time to beat the crowds but there is an average 1% increase in price.
Most popular time to fly with an average 8% increase in price.
Flight from Philadelphia to San Antonio

When to book flights from Philadelphia to San Antonio

Are your dates flexible? Find out the best times to travel from Philadelphia to San Antonio based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Philadelphia to San Antonio

  • Which family services are offered at Philadelphia International Airport?

    PHL has provided the Mamava Suites for nursing mothers visiting the airport. The suites feature a bench, power outlets, and a fold-down table. Each suite is lockable for privacy. You’ll find these privates suites in Terminal F, Terminal A-West, and the B/C Connector. PHL has also provided family washrooms with baby changing facilities throughout the landside and airside sections of the airport. There is also a play area for older kids with climbing structures and toys. The “Ready For Take-Off” play area is in Terminal A-East.

  • How can I get downtown from San Antonio International Airport?

    SAT is served by VIA bus route 5, which runs between the airport and downtown San Antonio. The trip takes about 30min, and you can take this bus from the airport bus stop. SuperShuttle also provides door-to-door services between the airport and downtown San Antonio hotels. You can buy these tickets from Terminal A’s baggage claim area. Taxis are available 24/7 outside the baggage claim areas of Terminals A and B. Taxis are metered, and reservations aren’t needed. If you want to self-drive, take a rental car from the counters in Terminal A’s baggage claim area.

  • Does San Antonio International Airport offer accessible services?

    Passengers with reduced mobility will get wheelchair assistance at SAT once they book these services via their airline. Reserved parking spaces are available for drivers showing proper identification. The airport also has accessible/ family restrooms in both terminals. Service animals are welcome at SAT, and low-vision passengers can be safely guided through the airport using the free Aira app. Hard-of-hearing passengers will have access to TTY telephones and visual paging services.

  • What are some things to do at Philadelphia International Airport?

    There are a lot of art exhibitions at PHL that you can check out. The art is distributed throughout the airport. You can watch planes take off and land from the observation areas in all seven terminals. The observation areas are all airside. PHL also has a library in the D/E Connector airside, where you can relax on lounge chairs and read your favorite books.

  • What is the cheapest flight from Philadelphia to San Antonio?

    In the last 5 days, the lowest price for a flight from Philadelphia to San Antonio was $116 for a one-way ticket and $326 for a round-trip.

  • Do I need a passport to fly between Philadelphia and San Antonio?

    No, a passport isn't needed to fly from Philadelphia to San Antonio. However, local authorities might ask for an official ID.

  • Which airports will I be using when flying from Philadelphia to San Antonio?

    Philadelphia and San Antonio are both served by 1 main airport. You will leave Philadelphia from Philadelphia and will be arriving at San Antonio.

  • Which airlines offer Wi-Fi service onboard planes from Philadelphia to San Antonio?

    American Airlines, and JetBlue offer inflight Wi-Fi service on the Philadelphia to San Antonio flight route.

  • Which aircraft models fly most regularly from Philadelphia to San Antonio?

    The Airbus A319 is the aircraft model that flies most regularly on the Philadelphia to San Antonio flight route.

  • Which airline alliances offer flights from Philadelphia to San Antonio?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Philadelphia and San Antonio, with Star Alliance being the most commonly used for this route.

  • On which days can I fly direct from Philadelphia to San Antonio?

    There are nonstop flights from Philadelphia to San Antonio on a daily basis.

  • Which is the best airline for flights from Philadelphia to San Antonio, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from Philadelphia to San Antonio are Southwest and Delta. With an average price for the route of $448 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $514 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from Philadelphia to San Antonio?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Philadelphia to San Antonio.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Philadelphia to San Antonio?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Antonio from Philadelphia is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Philadelphia to San Antonio?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Antonio with an airline and back to Philadelphia with another airline. Booking your flights between Philadelphia and SAT can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Philadelphia to San Antonio?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Antonio from Philadelphia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Philadelphia to San Antonio

  • Looking for a cheap flight? 25% of our users found flights on this route for $372 or less one-way and $511 or less round-trip.
  • Philadelphia International Airport (PHL) is a large airport with seven terminals. There is a lot of walking to reach the departure gates, but the airport has provided courtesy shuttles running every 10min for inter-terminal transportation.
  • San Antonio International Airport (SAT) is a pet-friendly airport. You can take your pet for a potty break at the following pet relief areas: Terminal B next to the west exit and in the indoor relief areas airside in both terminals.
  • Around 660 kg of carbon is emitted on flights from Philadelphia to San Antonio. You can fly more sustainably with United Airlines, which provides a flight that emits 37% less carbon per passenger.
  • United Airlines is the only airline with a lounge at SAT. You can access United Club by paying at the door and showing your flight ticket. The lounge is airside between Gates B3 and B5.
  • Unwind with a massage from XpresSpa at PHL before your flight. XpresSpa offers express spa services, including facials, manicures, massages, and pedicures, all taking less than 30min. You’ll find XpresSpa in Terminals C, D, and F at PHL.

Prefer to fly direct from Philadelphia to San Antonio?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Philadelphia to San Antonio.
Find which airlines fly direct from Philadelphia Airport to San Antonio Airport, which days they fly and book direct flights.

Direct departures

Philadelphia to San Antonio

Monday

American Airlines

American Airlines

Tuesday

American Airlines

American Airlines

Wednesday

American Airlines

American Airlines

Thursday

American Airlines

American Airlines

Friday

American Airlines

American Airlines

Saturday

American Airlines

American Airlines

Sunday

American Airlines

American Airlines

See more direct flights

Direct returns

San Antonio to Philadelphia

Monday

American Airlines

American Airlines

Tuesday

American Airlines

American Airlines

Wednesday

American Airlines

American Airlines

Thursday

American Airlines

American Airlines

Friday

American Airlines

American Airlines

Saturday

American Airlines

American Airlines

Sunday

American Airlines

American Airlines

See more direct flights

Everything you need to know for your flight from Philadelphia to San Antonio

Information on your arrival and departure airports