Cheap Flights from San Antonio International to Philadelphia

Compare San Antonio International to Philadelphia flight deals

Find the cheapest month or even day of the year to fly to Philadelphia

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Flight deals from San Antonio International to Philadelphia

Looking for a cheap last-minute deal or the best return flight from San Antonio International Airport to Philadelphia? If you want to travel next month, return fares start from R 4,070. Find the lowest prices on one-way and return tickets right here.

Philadelphia.R 2,035 per passenger.Departing Tue, 18 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Antonio International on Tue, 18 Aug, arriving in Philadelphia International.Price includes taxes and charges.From R 2,035, select.

Philadelphia.R 2,291 per passenger.Departing Tue, 28 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Antonio International on Tue, 28 Jul, arriving in Philadelphia International.Price includes taxes and charges.From R 2,291, select.

Philadelphia.R 2,317 per passenger.Departing Sat, 19 Sep.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Antonio International on Sat, 19 Sep, arriving in Philadelphia International.Price includes taxes and charges.From R 2,317, select.

Philadelphia.R 2,391 per passenger.Departing Sat, 3 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Antonio International on Sat, 3 Oct, arriving in Philadelphia International.Price includes taxes and charges.From R 2,391, select.

Philadelphia.R 3,588 per passenger.Departing Mon, 23 Nov.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Antonio International on Mon, 23 Nov, arriving in Philadelphia International.Price includes taxes and charges.From R 3,588, select.

Philadelphia.R 4,122 per passenger.Departing Fri, 25 Dec.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Antonio International on Fri, 25 Dec, arriving in Philadelphia International.Price includes taxes and charges.From R 4,122, select.

Philadelphia.R 7,567 per passenger.Departing Sat, 19 Sep.One-way flight with American Airlines.Outbound direct flight with American Airlines departs from San Antonio International on Sat, 19 Sep, arriving in Philadelphia International.Price includes taxes and charges.From R 7,567, select.

Philadelphia.R 8,362 per passenger.Departing Thu, 13 Aug.One-way flight with American Airlines.Outbound direct flight with American Airlines departs from San Antonio International on Thu, 13 Aug, arriving in Philadelphia International.Price includes taxes and charges.From R 8,362, select.

Find the cheapest month to fly from San Antonio International to Philadelphia

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Antonio International to Philadelphia flights are currently cheapest in August.

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Direct flights from San Antonio International to Philadelphia

Alternative San Antonio International to Philadelphia routes

Looking for the cheapest, fastest or easiest route from San Antonio International to Philadelphia? You could fly into the following airports instead.

San Antonio to Philadelphia: Flight information

The things to know before you go.

Cheapest flight found	R 2,035
Cheapest month to fly	August
Average flight time	3 hrs, 46 mins
Most popular airline	American Airlines
Average flights per week	19

Finding cheap flights from San Antonio International to Philadelphia: Frequently asked questions

How many airports are there in Philadelphia?

There are 5 airports in Philadelphia: Philadelphia International, Philadelphia Trenton-Mercer, Greater Wilmington, Atlantic City International, and Allentown.

How much are return flights from San Antonio International to Philadelphia?

The best price we found for a return flight from San Antonio International to Philadelphia is R 4,070. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from San Antonio International to Philadelphia?

3 hours and 46 minutes is the average flight time from San Antonio International to Philadelphia.

Which airlines fly direct from San Antonio International to Philadelphia?

American Airlines and Qatar Airways fly direct from San Antonio International to Philadelphia.

How many flights are there a week from San Antonio International to Philadelphia?

As of July 2026, there are 19 flights per week flying from San Antonio International to Philadelphia.

When is the cheapest time to fly from San Antonio International to Philadelphia?

The cheapest month to fly from San Antonio International to Philadelphia is usually August.

Which is the cheapest airport to fly into in Philadelphia?

If you're flying from San Antonio International Airport, the cheapest airport near Philadelphia is Philadelphia International – which is 11.2 km away from the centre of Philadelphia. We've found flights into this airport from R 4,070.

Which upcoming date is cheapest to fly from San Antonio International Airport to Philadelphia on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Antonio International Airport to Philadelphia on Tuesday, 4 August 2026.

Can I get a direct flight from San Antonio International Airport to Philadelphia?

Yes – the average flight time is 3 hours and 46 minutes.

How can I get the best flight deal from San Antonio International Airport to Philadelphia?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Philadelphia but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Philadelphia?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Philadelphia is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Philadelphia?

In July, the average temperature is usually around 24°C. July is typically the warmest month in Philadelphia, when it usually averages around 30°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -5°C. The rainiest month is July.

Which is the cheapest airline to fly from San Antonio International Airport to Philadelphia with?

Currently, Frontier Airlines and American Airlines offer the cheapest flight tickets to Philadelphia.

Flying from San Antonio International Airport (SAT) to Philadelphia: what you need to know

Approximately 3 hours 55 minutes is how long you can expect to be travelling on a direct flight from San Antonio International Airport to Philadelphia.
The timezone in Philadelphia is UTC-5. The city is one hour ahead of San Antonio, where San Antonio International Airport is located.
The busiest route is from San Antonio International Airport (SAT) to Philadelphia International Airport (PHL). There are four services every week between these two airports. American Airlines offers a 12:10 departure between SAT and PHL.
For stress-free travel, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to board your SAT to Philadelphia flight.
During popular months like July, it's a good idea to get to the airport even earlier. Arrive two hours before domestic departures and four hours ahead for international flights whenever you're travelling during high season in general.
You can book a direct San Antonio International Airport to Philadelphia ticket. Begin your journey at SAT and touch down at Philadelphia International Airport (PHL).
Book your seat with American Airlines. This well-known carrier offers direct flights from San Antonio International Airport to Philadelphia.
Located around 13 kilometres from central San Antonio, SAT can be reached in about 20 minutes by car (depending on traffic). Travelling on public transport takes roughly 50 minutes.
Planning to catch an early flight from San Antonio International Airport to Philadelphia? Avoid the stress of rushing to the airport (and sneak in some extra snooze time) by choosing one of these stays near SAT:
San Antonio International Airport maintains a strong on-time performance, so you're less likely to experience disruptions. Departures from SAT touch down on schedule 82% of the time.
The address for SAT is 9800 Airport Boulevard.

How to find the cheapest flights from San Antonio International Airport (SAT) to Philadelphia

R 2,035 is the cheapest price we've seen for a one-way San Antonio International Airport to Philadelphia flight. A return ticket right now is R 4,070. Depending on the availability when you book, these fares can change.
To score cheap flights from SAT to Philadelphia, reserve your trip one month ahead of your departure date.
The best month for landing cheap San Antonio International Airport to Philadelphia tickets is June. Use the 'Whole month' tool to compare flight prices, then choose the dates that offer the lowest fares.
Snapping up a cheap flight from SAT to Philadelphia couldn't be easier with Price Alerts. Simply set up one of these automatic notifications and we'll notify you when a better deal is available.
Tailor your flights with filters. Choose your preferred departure and arrival times, airlines and total journey duration. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' flights from San Antonio International Airport to Philadelphia.

Airports in Philadelphia

Philadelphia International Airport (PHL)

The distance from Philadelphia International Airport (PHL) to central Philadelphia is roughly 18 kilometres. It'll take you about 20 minutes to get to the centre driving.
Getting there by public transport takes about 30 minutes.
If you have a late flight from San Antonio International Airport to Philadelphia, few things beat the convenience of staying close to the terminal. Grab your suitcases from the carousel and then be showered and relaxing soon after at one of these accommodation options near PHL:
Lock in the lowest price by reserving your ride from Philadelphia International Airport around three weeks in advance of your flight from SAT to Philadelphia.
You'll find PHL at 8500 Essington Ave.

Trenton-Mercer Airport (TTN)

After your flight from San Antonio International Airport to Philadelphia has arrived, you can reach the city centre in around 40 minutes by car. Central Philadelphia is roughly 48 kilometres from Trenton-Mercer Airport (TTN).
You can expect the trip to take roughly 1 hour 35 minutes on public transport.
Place the 'Do not disturb' sign on your door and rest at a hotel near TTN. Here are a few options where you can take a load off after your SAT to Philadelphia flight:
Get the pick of the lot. Reserving your ride from TTN four weeks ahead of time often means better deals and a wider selection of vehicles.
The address for Trenton-Mercer Airport is Scotch Road, Terminal Building.

Best time to go to Philadelphia

It's time to choose your dates for your flight from San Antonio International Airport to Philadelphia. July is the busiest month for a trip to Philadelphia. If you want a more relaxed atmosphere, go in December.
The warmest month in Philadelphia is July, with temperatures ranging between 18ºC (64ºF) and 32ºC (90ºF). Lock in your San Antonio International Airport to Philadelphia plane ticket then if this is the type of weather you enjoy.
Look for cheap tickets from SAT to Philadelphia in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -7ºC (19ºF) and 9ºC (48ºF) on average.

More about Philadelphia

When it comes to looking for somewhere to rest your head, you'll find the best stays in Philadelphia right here. Check out these hotels after locking in your flight from San Antonio International Airport to Philadelphia:
Every great journey has to include some sightseeing. Liberty Bell, Independence Hall and Philadelphia Museum of Art are essential stops on your Philadelphia itinerary.

Explore more of the United States

Philadelphia will leave a lasting impression, but there are so many other corners of the United States waiting to be discovered. Around 129 kilometres northeast of Philadelphia, a visit to New York will keep you busy. Don't miss top attractions like Central Park, Statue of Liberty and Metropolitan Museum of Art.
Around 434 kilometres northeast of Philadelphia, Boston is another favourite stop in the United States. Experience this destination's highlights firsthand at Museum of Fine Arts Boston, Freedom Trail and USS Constitution Museum.