Are direct flights from San Antonio to Philadelphia always the best option?

Direct flights are often the most convenient option, saving time and avoiding layovers. However, they are not always the cheapest. Flights with one or more connections can sometimes offer lower fares, especially if you are flexible with your travel schedule.

Can flexible travel dates help on San Antonio to Philadelphia flights?

Yes, being flexible with your travel dates can significantly impact flight prices. Flying on weekdays, during off-peak seasons, or at less popular times of day often results in lower fares. Even shifting your travel by a day or two can sometimes lead to considerable savings.

What extra costs should I check before booking San Antonio to Philadelphia flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Factoring these into your budget provides a more accurate total travel cost.

Flights From San Antonio

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 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from San Antonio to Philadelphia

Explore current cheapest deals departing from San Antonio to Philadelphia

2026-09-01 – 2026-09-07
SAT - Philadelphia
68% AI deal score
$286
$250
Round trip
2026-08-12 – 2026-08-15
SAT - Philadelphia
70% AI deal score
$319
$257
Round trip
2026-08-18 – 2026-08-20
SAT - Philadelphia
69% AI deal score
$319
$273
Round trip
2026-08-24 – 2026-08-27
SAT - Philadelphia
68% AI deal score
$309
$274
Round trip
2026-08-19 – 2026-08-26
SAT - Philadelphia
67% AI deal score
$296
$274
Round trip
2026-08-18 – 2026-08-22
SAT - Philadelphia
68% AI deal score
$316
$274
Round trip
2026-10-24 – 2026-10-26
SAT - Philadelphia
68% AI deal score
$313
$274
Round trip
2026-08-13 – 2026-08-19
SAT - Philadelphia
67% AI deal score
$300
$275
Round trip
2026-08-15 – 2026-08-16
SAT - Philadelphia
68% AI deal score
$319
$280
Round trip
2026-08-12 – 2026-08-16
SAT - Philadelphia
68% AI deal score
$318
$281
Round trip

San Antonio to Philadelphia: Overview

Insights for flights from San Antonio to Philadelphia

For flights from San Antonio to Philadelphia, a typical journey including connections takes about 11h 8m. This route covers a distance of 2404 km, classifying it as a medium-haul flight. Most itineraries for this route involve at least one connection.

When considering cheap flights from San Antonio to Philadelphia, prices typically range from $511–$1012, with a median fare of $630. Right now, current fares are above the typical level, and 0% of recent fares were classified as a good price. New deals appear almost daily for this route, suggesting frequent opportunities to find better fares.

If you are looking for the cheapest time to fly from San Antonio to Philadelphia, March stands out with a median fare of $249. November is also a budget-friendly option, with a median fare of $255. Following closely, December offers a median fare of $266, making these months generally more affordable for this route.

Most itineraries for this route connect at least once, as 0% of recent fares were non-stop. For connecting flights, the typical number of stopovers is 2. This means you should expect to make at least two stops on your journey from San Antonio to Philadelphia.

How much is a round trip from San Antonio to Philadelphia

Regular price: $251 - $336

Prices are currently below the regular range.

The regular price range for flights from San Antonio to Philadelphia is $251 to $336. The current lowest deal is $249 with Frontier Airlines for travel from Aug 12-Aug 18.

now $249

Low $251

High $336

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

Sun, Jul 26

⌛ Last-Minute

SAT - Philadelphia

San Antonio (SAT) - Philadelphia (PHL)

Frontier Airlines

$435

$389

One-way

Tue, Aug 4

⌛ Last-Minute

SAT - Philadelphia

San Antonio (SAT) - Philadelphia (PHL)

Frontier Airlines

$382

$372

One-way

Wed, Aug 5

⌛ Last-Minute

SAT - Philadelphia

San Antonio (SAT) - Philadelphia (PHL)

Frontier Airlines

$372

$373

One-way

Sat, Aug 8

⌛ Last-Minute

SAT - Philadelphia

San Antonio (SAT) - Philadelphia (PHL)

Frontier Airlines

$356

$358

One-way

Sun, Aug 9

⌛ Last-Minute

SAT - Philadelphia

San Antonio (SAT) - Philadelphia (PHL)

Frontier Airlines

$305

$324

One-way

Tue, Aug 11

⌛ Last-Minute

SAT - Philadelphia

San Antonio (SAT) - Philadelphia (PHL)

Frontier Airlines

$311

$318

One-way

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

3 nights

Aug 24 - Aug 27

$316 → $249

21%

3 nights

Aug 12 - Aug 15

$329 → $272

17%

4 nights

Oct 22 - Oct 26

$306 → $250

18%

2 nights

Sep 5 - Sep 7

$302 → $249

18%

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 for San Antonio to Philadelphia are above the typical level at $630.

📅 Best time to fly

March is historically the cheapest month to fly

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, with a median duration of 11h 8m.

✈️ Airlines & availability

No direct flights available

There are no direct flights available from San Antonio to Philadelphia, with most routes having 2 stopovers.

🏆 Airline highlight

Frontier Airlines offers deals from $249

Frontier Airlines has offered deals from San Antonio to Philadelphia starting at $249.

🎯 Booking tip

Deals are frequent on this route

Deals for flights from San Antonio to Philadelphia are frequent, appearing within a 30-day window.

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)

Cheapest

Newark Liberty International is a major international hub that often provides more competitive pricing and direct flight options than PHL, despite frequent air traffic control delays and potentially longer security wait times.

📍 ~135 km from Philadelphia (reachable by rail)

💸 Flights from ~$239

Business & First Class Flight Deals to Philadelphia

82% AI deal score

$1,480

$1,035

Save $445

Frequently Asked Questions About Flights to Philadelphia

To find cheaper flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites is also often helpful. Looking into flights with layovers may sometimes present more affordable options.

Booking flights in advance, often several weeks or months before your intended travel date, can sometimes result in better prices. Prices may fluctuate, so monitoring fares over time can be beneficial. Avoiding peak travel seasons can also lead to savings.

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

Related routes

More routes from San Antonio

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Flights to Philadelphia from other cities

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San Antonio to Philadelphia: Overview

Insights for flights from San Antonio to Philadelphia

How much is a round trip from San Antonio to Philadelphia

Regular price: $251 - $336

Prices are currently below the regular range.

The regular price range for flights from San Antonio to Philadelphia is $251 to $336. The current lowest deal is $249 with Frontier Airlines for travel from Aug 12-Aug 18.

now $249

Low $251

High $336

The cheapest time to fly from San Antonio to Philadelphia

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

Sun, Jul 26

⌛ Last-Minute

SAT - Philadelphia

San Antonio (SAT) - Philadelphia (PHL)

Frontier Airlines

$435

$389

One-way

Tue, Aug 4

⌛ Last-Minute

SAT - Philadelphia

San Antonio (SAT) - Philadelphia (PHL)

Frontier Airlines

$382

$372

One-way

Wed, Aug 5

⌛ Last-Minute

SAT - Philadelphia

San Antonio (SAT) - Philadelphia (PHL)

Frontier Airlines

$372

$373

One-way

Sat, Aug 8

⌛ Last-Minute

SAT - Philadelphia

San Antonio (SAT) - Philadelphia (PHL)

Frontier Airlines

$356

$358

One-way

Sun, Aug 9

⌛ Last-Minute

SAT - Philadelphia

San Antonio (SAT) - Philadelphia (PHL)

Frontier Airlines

$305

$324

One-way

Tue, Aug 11

⌛ Last-Minute

SAT - Philadelphia

San Antonio (SAT) - Philadelphia (PHL)

Frontier Airlines

$311

$318

One-way

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

3 nights

Aug 24 - Aug 27

$316 → $249

21%

3 nights

Aug 12 - Aug 15

$329 → $272

17%

4 nights

Oct 22 - Oct 26

$306 → $250

18%

2 nights

Sep 5 - Sep 7

$302 → $249

18%

Popular Airports to fly from San Antonio to Philadelphia