To Philadelphia

Cheap Flights from San Antonio to Philadelphia

Browse current best options from San Antonio. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

San Antonio

RatePunk searches hundreds of travel sites at once for deals on flights to Philadelphia

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from San Antonio to Philadelphia

Explore current cheapest deals departing from San Antonio to Philadelphia

Round trip

Sort by: Cheapest

August 6 - August 12

Cheapest

SAT - Philadelphia

$290

$217

Round trip

September 10 - September 14

Cheapest

Best

SAT - Philadelphia

$308

$217

Round trip

August 8 - August 11

SAT - Philadelphia

$309

$266

Round trip

July 21 - July 29

SAT - Philadelphia

$279

$270

Round trip

August 6 - August 10

SAT - Philadelphia

$308

$275

Round trip

August 12 - August 16

SAT - Philadelphia

$303

$278

Round trip

August 7 - August 11

SAT - Philadelphia

$309

$280

Round trip

July 4 - July 8

Earliest

SAT - Philadelphia

$317

$286

Round trip

July 6 - July 8

SAT - Philadelphia

$311

$290

Round trip

July 14 - July 19

SAT - Philadelphia

$296

$290

Round trip

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Route Intelligence — 486,190 Searches this Week

Insights for flights from San Antonio to Philadelphia

Fares for flights from San Antonio to Philadelphia typically range from $507–$624, with a median price of $518. Right now, current fares are significantly above the typical level, and only 2% of recent fares were classified as a good price. New deals appear almost daily, suggesting that price alerts can be particularly useful for this route.

When considering cheap flights from San Antonio to Philadelphia, the data indicates that March is the most affordable month to fly, with a median fare of $249. Following closely is November, where the median fare stands at $255. December also presents a relatively lower median fare of $266, making these months the best times to find more economical options.

A typical journey from San Antonio to Philadelphia takes about 11h 8m, including connections. This duration reflects that most itineraries connect at least once, as there are no direct flights available on this route. Travelers should plan for a journey that includes at least 2 stopovers when flying between these two cities.

The route from San Antonio to Philadelphia covers a distance of 2404 kilometers. This places it in the medium-haul category, indicating a journey that is substantial but typically manageable within a single day of travel, accounting for the necessary connections.

How much is a round trip from San Antonio to Philadelphia

Regular price: $242 - $337

Prices for flights from San Antonio to Philadelphia are currently below the regular range.

The regular price range for flights from San Antonio to Philadelphia is between $242 and $337. The current lowest deal is $217 with Deutsche Luft Hansa, for travel from Aug 6-Aug 12.

now $217

Low $242

High $337

The cheapest time to fly from San Antonio to Philadelphia

Flights from San Antonio to Philadelphia are cheapest in March, with a median price of $249. The most expensive month to fly is June, with a median price of $795. Prices are generally lower from January to December.

March

Cheapest

Flights from $249

June

Most Expensive

Flights from $795

Jan

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from San Antonio to Philadelphia

American Airlines

Last-minute flights going from San Antonio to Philadelphia

Wed, Jun 17

⌛ Last-Minute

SAT - Philadelphia

San Antonio (SAT) - Philadelphia (PHL)

Frontier Airlines

$654

$375

One-way

Wed, Jun 17

⌛ Last-Minute

SAT - Philadelphia

San Antonio (SAT) - Philadelphia (PHL)

Frontier Airlines

$650

$392

One-way

Wed, Jun 17

⌛ Last-Minute

SAT - Philadelphia

San Antonio (SAT) - Philadelphia (PHL)

Frontier Airlines

$661

$402

One-way

Thu, Jun 18

⌛ Last-Minute

SAT - Philadelphia

San Antonio (SAT) - Philadelphia (PHL)

Frontier Airlines

$540

$474

One-way

Thu, Jun 18

⌛ Last-Minute

SAT - Philadelphia

San Antonio (SAT) - Philadelphia (PHL)

American Airlines

$654

$708

One-way

Fri, Jun 19

⌛ Last-Minute

SAT - Philadelphia

San Antonio (SAT) - Philadelphia (PHL)

Frontier Airlines

$659

$402

One-way

Biggest price drops on these dates for flights from San Antonio to Philadelphia

4 nights

Jun 20 - Jun 24

$647 → $365

44%

3 nights

Jun 17 - Jun 20

$654 → $375

43%

3 nights

Jun 20 - Jun 23

$651 → $376

42%

2 nights

Jun 17 - Jun 19

$661 → $402

39%

Popular Airports to fly from San Antonio to Philadelphia

San Antonio - Philadelphia route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from San Antonio to Philadelphia are above the typical level for this route.

📅 Best time to fly

March is historically the cheapest month

Historically, March is the cheapest month to fly from San Antonio to Philadelphia, with a median price of $249.

⏱️ Flight duration

Connecting flights average 11h 8m

Flights from San Antonio to Philadelphia typically involve connecting flights, with a median duration of 11h 8m.

✈️ Airlines & availability

Connecting flights are dominant

This route is dominated by connecting flights, with 0% being direct flights.

🏆 Airline highlight

Deutsche Luft Hansa offers the lowest recent fare

Deutsche Luft Hansa recently offered a fare of $217 from San Antonio to Philadelphia.

🎯 Booking tip

Good prices are rare

Historically, only 2% of deals for this route are considered good prices.

San Antonio main airports to depart from

San Antonio International (SAT)

Cheapest

San Antonio International Airport is a convenient departure point for flights to Philadelphia.

📍 ~15 km from San Antonio city center (reachable by car)

💸 Flights from ~$217

Philadelphia main airports to arrive at

Philadelphia International (PHL)

Cheapest

Philadelphia International Airport is a convenient arrival choice for flights from San Antonio to Philadelphia.

📍 ~10 km from city center (reachable by car)

💸 Flights from ~$217

Airports nearby Philadelphia used as alternative

Newark Liberty International (EWR)

Consider EWR for significantly more flight options, especially for long-haul international routes, despite potential delays.

📍 ~130 km from destination city (reachable by train)

💸 Flights from ~$340

Baltimore–Washington International (BWI)

Cheapest

BWI is a major base for Southwest Airlines, often featuring lower domestic fares and extensive coverage.

📍 ~150 km from destination city (reachable by train)

💸 Flights from ~$260

Trenton–Mercer (TTN)

TTN offers very fast check-in and security processing with budget-friendly options, but has limited destinations.

📍 ~50 km from destination city (reachable by car)

💸 Flights from ~$351

Lehigh Valley International (ABE)

ABE is a less crowded option with reliable regional connections, an easy drive from Philadelphia's northern suburbs.

📍 ~95 km from destination city (reachable by car)

💸 Flights from ~$345

Atlantic City International (ACY)

ACY is convenient for travelers on the eastern side of the Philadelphia metro, offering a simple, easy-to-navigate terminal.

📍 ~85 km from destination city (reachable by car)

💸 Flights from ~$291

Business & First Class Flight Deals to Philadelphia

Philadelphia, United States

43% AI deal score

$16,685

Frequently Asked Questions About Flights to Philadelphia

To find more affordable flights, consider comparing prices across different booking sites and travel agencies. Being flexible with your travel dates can often lead to better deals. Looking into flights during the off-peak season may also present lower fares.

Booking in advance, often several weeks or months before your intended travel date, can sometimes secure better prices. However, prices can fluctuate, so monitoring fares is usually a good strategy. Mid-week bookings may also offer different pricing.

Comparing nearby airports at both your origin and destination can sometimes reveal more economical flight options. While it may add to ground travel time, the potential savings on airfare can be significant. Always factor in the total cost and convenience.

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