Popular airlines from Philadelphia Intl. Airport (PHL) to San Antonio International Airport (SAT)
American AirlinesAmerican Airlines
DeltaDelta
Southwest AirlinesSouthwest Airlines
UnitedUnited
Spirit AirlinesSpirit Airlines
Frontier AirlinesFrontier Airlines
Alaska AirlinesAlaska Airlines
- Plan, book, fly with confidence
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 30% on select hotels after you book a flight*
Cheap Flights from Philadelphia to San Antonio (PHL-SAT)
Prices were available within the past 7 days and start at $71 for one-way flights and $206 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Origin airport | Philadelphia Intl. |
Destination airport | San Antonio Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, United |
Roundtrip price | $205 |
Distance | 1494 mi |
Philadelphia to San Antonio Flights
The cheapest times to fly from Philadelphia to San Antonio
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Philadelphia to San Antonio are during the month of May. You can find some of the cheapest flights from Philadelphia to San Antonio with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Philadelphia to San Antonio
Sunday is one of the best days to book for cheap flights from Philadelphia to San Antonio: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Philadelphia to San Antonio
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Philadelphia to San Antonio in 2025. You can also book with separate airlines for your outbound and return journeys, from $71 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Philadelphia to San Antonio flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Philadelphia to San Antonio airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
Frequently asked questions
Explore a world of travel with Expedia
Flights
- United Philadelphia (PHL) to New Orleans (MSY) flights
- Frontier Airlines Philadelphia (PHL) to Miami (MIA) flights
- American Airlines Philadelphia (PHL) to Montego Bay (MBJ) flights
- Spirit Airlines Philadelphia (PHL) to Houston (IAH) flights
- JetBlue Airways Philadelphia (PHL) to Los Angeles (LAX) flights
- Delta New York (JFK) to San Antonio (SAT) flights
- American Airlines Phoenix (PHX) to San Antonio (SAT) flights
- Alaska Airlines Los Angeles (LAX) to San Antonio (SAT) flights
- United Boston (BOS) to San Antonio (SAT) flights
- American Airlines New York (LGA) to San Antonio (SAT) flights
- United Denver (DEN) to San Antonio (SAT) flights
- United San Diego (SAN) to San Antonio (SAT) flights
- Delta Charlotte (CLT) to San Antonio (SAT) flights
- United Philadelphia (PHL) to Phoenix (PHX) flights
- JetBlue Airways Philadelphia (PHL) to Boston (BOS) flights
- Frontier Airlines Philadelphia (PHL) to Dallas (DFW) flights
- Frontier Airlines Philadelphia (PHL) to Denver (DEN) flights
- Frontier Airlines Philadelphia (PHL) to Tampa (TPA) flights
- Spirit Airlines
- Alaska Airlines
- Air Canada
- Delta
- Qatar Airways
- Iberia
- Finnair
- Aeromexico
- JetBlue Airways
- American Airlines
- Sun Country Airlines
- Aer Lingus
- British Airways
- United
- Frontier Airlines
- Lufthansa
- Flights from Millville Municipal
- Flights from Lancaster
- Flights from Mercer
- Flights from Lehigh Valley Intl.
- Flights from Wings Field
- Flights from Atlantic City Intl.
- Flights from Northeast Philadelphia
- Flights from Reading Regional
- Flights from Princeton
- Flights from Central Jersey Regional
- Flights to Boston
- Flights to Nashville
- Flights to San Francisco
- Flights to Key West
- Flights to San Diego
- Flights to Gatlinburg
- Flights to New Orleans
- Flights to San Antonio
- Flights to Las Vegas
- Flights to New York
- Flights to Atlanta
- Flights to Miami
- Flights to Chicago
- Flights to Pigeon Forge
- Flights to Orlando
- Flights to Washington
- Flights to Fort Lauderdale
- Flights to Houston
- Flights to Los Angeles
- Flights to Honolulu
- Flights from Philadelphia (PHL) to New Orleans (MSY)
- Flights from Los Angeles (LAX) to New York (NYC)
- Flights from Miami (MIA) to New York (NYC)
- Flights from Atlanta (ATL) to New York (NYC)
- Flights from Dallas (DFW) to New York (NYC)
- Flights from Dallas (DFW) to Orlando (MCO)
- Flights from Boston (BOS) to Orlando (MCO)
- Flights from Philadelphia (PHL) to Orlando (MCO)
- Flights from Boston (BOS) to Miami (MIA)
- Flights from Philadelphia (PHL) to Miami (MIA)
- Flights from Philadelphia (PHL) to Montego Bay (MBJ)
- Flights from Dallas (DFW) to Chicago (ORD)
- Flights from Philadelphia (PHL) to Houston (IAH)
- Flights from Philadelphia (PHL) to Los Angeles (LAX)
- Flights from Houston (IAH) to Los Angeles (LAX)
- Flights from New York (NYC) to Los Angeles (LAX)
- Flights from Dallas (DFW) to Los Angeles (LAX)
- Flights from Seattle (SEA) to Los Angeles (LAX)
- Flights from Las Vegas (LAS) to Los Angeles (LAX)
- Flights from Denver (DEN) to Las Vegas (LAS)
- Flights from Portland (PDX) to Las Vegas (LAS)
- Flights from Dallas (DFW) to Las Vegas (LAS)
- Flights from Minneapolis (MSP) to Las Vegas (LAS)
- Flights from Atlanta (ATL) to Las Vegas (LAS)
- Flights from Chicago (ORD) to Las Vegas (LAS)
- Flights from Houston (IAH) to Las Vegas (LAS)
- Flights from New York (NYC) to Las Vegas (LAS)
- Flights from Los Angeles (LAX) to Las Vegas (LAS)
- Flights from Detroit (DTW) to Las Vegas (LAS)
- Flights from San Francisco (SFO) to Las Vegas (LAS)
- Flights from Seattle (SEA) to Las Vegas (LAS)
- Flights from Philadelphia (PHL) to Fort Lauderdale (FLL)
- Flights from Philadelphia (PHL) to Punta Cana (PUJ)
- Flights from Toluca (TLC) to San Antonio (SAT)
- Flights from Phoenix (PHX) to San Antonio (SAT)
- Flights from New York (LGA) to San Antonio (SAT)
- Flights from Fort Lauderdale (FLL) to San Antonio (SAT)
- Flights from Mexico City (MEX) to San Antonio (SAT)
- Flights from Los Angeles (LAX) to San Antonio (SAT)
- Flights from Detroit (DTW) to San Antonio (SAT)
- Flights from Newark Liberty Intl. Airport (EWR) to San Antonio (SAT)
- Flights from Boston (BOS) to San Antonio (SAT)
- Flights from Chicago (ORD) to San Antonio (SAT)
- Flights from Charlotte (CLT) to San Antonio (SAT)
- Flights from San Diego (SAN) to San Antonio (SAT)
- Flights from New York (NYC) to Atlanta (ATL)
- Flights from Seattle (SEA) to Phoenix (PHX)
- Flights from Philadelphia (PHL) to Phoenix (PHX)
- Flights from Philadelphia (PHL) to Boston (BOS)
- Flights from Los Angeles (LAX) to Seattle (SEA)
- Flights from Philadelphia (PHL) to Dallas (DFW)
- Flights from Los Angeles (LAX) to Dallas (DFW)
- Flights from Philadelphia (PHL) to Denver (DEN)
- Flights from Philadelphia (PHL) to Tampa (TPA)