What is the cheapest airline that flies from San Antonio to Pennsylvania?

Frontier, United Airlines, and Delta are the most popular carriers operating from San Antonio to Pennsylvania

What airlines fly to Pennsylvania?

American Airlines, Southwest and United Airlines are the top three most popular airlines that fly to Pennsylvania from San Antonio according to our data. American Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Pennsylvania. Keep in mind that there are 7 different airlines that fly to Pennsylvania on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from San Antonio Airport to Pennsylvania?

Prices for flights from San Antonio Airport to Pennsylvania were last updated today.

How many operators does momondo search for flights from San Antonio Airport to Pennsylvania?

As of November 2026, there are 5 operators available to choose from for flights from San Antonio Airport to Pennsylvania.

How old do you have to be to fly from San Antonio Airport to Pennsylvania?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Pennsylvania.

What documentation or ID do you need to fly to Pennsylvania?

The necessary travel and health documents for your Pennsylvania trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$118 Cheap Flights from San Antonio to Pennsylvania in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Antonio to Pennsylvania

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:03 pm - 6:32 pmSAT San Antonio-PHL Philadelphia

21h 29m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson

4:16 pm - 8:45 amPHL Philadelphia-SAT San Antonio

17h 29m1 stop Raleigh-Durham

$252Multiple Airlines

Wed, Dec 2 - Wed, Dec 9

12:32 pm - 12:52 amSAT San Antonio-PHL Philadelphia

11h 20m1 stop Orlando

6:31 pm - 11:40 amPHL Philadelphia-SAT San Antonio

18h 09m2 stops Atlanta Hartsfield-Jackson Orlando

$253Frontier

Mon, Dec 7 - Tue, Dec 15

12:32 pm - 12:52 amSAT San Antonio-PHL Philadelphia

11h 20m1 stop Orlando

4:31 pm - 11:40 amPHL Philadelphia-SAT San Antonio

20h 09m2 stops Atlanta Hartsfield-Jackson Orlando

$253Frontier

Mon, Dec 7 - Tue, Dec 15

8:03 pm - 1:07 pmSAT San Antonio-PHL Philadelphia

16h 04m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson

4:16 pm - 8:45 amPHL Philadelphia-SAT San Antonio

17h 29m1 stop Raleigh-Durham

$254Multiple Airlines

Tue, Dec 1 - Wed, Dec 9

4:40 pm - 12:52 amSAT San Antonio-PHL Philadelphia

7h 12m1 stop Atlanta Hartsfield-Jackson

6:10 pm - 11:35 pmPHL Philadelphia-SAT San Antonio

6h 25m1 stop Atlanta Hartsfield-Jackson

$259Delta

Wed, Dec 9 - Sat, Dec 12

5:05 pm - 12:52 amSAT San Antonio-PHL Philadelphia

6h 47m1 stop Atlanta Hartsfield-Jackson

5:19 pm - 12:35 amPHL Philadelphia-SAT San Antonio

8h 16m1 stop Atlanta Hartsfield-Jackson

$259Delta

Sat, Dec 12 - Mon, Dec 14

2:50 pm - 9:12 pmSAT San Antonio-PIT Pittsburgh

5h 22m1 stop Dallas/Fort Worth

11:30 am - 4:30 pmPIT Pittsburgh-SAT San Antonio

6h 00m1 stop Dallas/Fort Worth

$351American Airlines

Fri, Jan 1 - Fri, Jan 8

5:58 pm - 11:55 pmSAT San Antonio-PIT Pittsburgh

4h 57m1 stop Charlotte Douglas

6:04 am - 11:02 amPIT Pittsburgh-SAT San Antonio

5h 58m1 stop Charlotte Douglas

$351American Airlines

Tue, Dec 22 - Tue, Jan 5

5:39 pm - 11:59 pmSAT San Antonio-PIT Pittsburgh

5h 20m1 stop Chicago O'Hare Intl

8:40 am - 3:30 pmPIT Pittsburgh-SAT San Antonio

7h 50m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

$356United Airlines

Tue, Dec 22 - Tue, Jan 5

5:39 pm - 11:59 pmSAT San Antonio-PIT Pittsburgh

5h 20m1 stop Chicago O'Hare Intl

8:40 am - 3:30 pmPIT Pittsburgh-SAT San Antonio

7h 50m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

$356United Airlines

Tue, Dec 22 - Tue, Jan 5

Cheap last minute flights

Enter your travel dates to find the best prices.

5:13 pm - 9:05 pmSAT San Antonio-PHL Philadelphia

26h 52m1 stop Orlando

9:56 pm - 11:40 amPHL Philadelphia-SAT San Antonio

14h 44m1 stop Orlando

$358Frontier

Mon, Nov 9 - Sun, Dec 6

5:13 pm - 12:35 amSAT San Antonio-PHL Philadelphia

6h 22m1 stop Orlando

5:01 am - 11:40 amPHL Philadelphia-SAT San Antonio

7h 39m1 stop Orlando

$364Frontier

Fri, Nov 6 - Mon, Dec 7

9:25 am - 4:24 pmSAT San Antonio-PHL Philadelphia

5h 59m1 stop Raleigh-Durham

7:25 pm - 8:45 amPHL Philadelphia-SAT San Antonio

14h 20m1 stop Raleigh-Durham

$414Multiple Airlines

Thu, Nov 5 - Sat, Nov 7

5:13 pm - 11:16 pmSAT San Antonio-PHL Philadelphia

29h 03m2 stops Orlando Atlanta Hartsfield-Jackson

7:25 pm - 8:45 amPHL Philadelphia-SAT San Antonio

14h 20m1 stop Raleigh-Durham

$443Multiple Airlines

Mon, Nov 9 - Sat, Nov 14

4:00 pm - 10:58 pmSAT San Antonio-MDT Harrisburg

5h 58m1 stop Detroit Metropolitan Wayne County

5:05 pm - 10:54 pmMDT Harrisburg-SAT San Antonio

6h 49m1 stop Detroit Metropolitan Wayne County

$499Delta

Sun, Nov 8 - Sun, Nov 15

4:00 pm - 11:06 pmSAT San Antonio-MDT Harrisburg

6h 06m1 stop Detroit Metropolitan Wayne County

5:05 pm - 10:54 pmMDT Harrisburg-SAT San Antonio

6h 49m1 stop Detroit Metropolitan Wayne County

$531Delta

Mon, Nov 9 - Sat, Nov 14

1:15 pm - 9:33 pmSAT San Antonio-MDT Harrisburg

7h 18m1 stop Chicago O'Hare Intl

2:38 pm - 10:51 pmMDT Harrisburg-SAT San Antonio

9h 13m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

$536United Airlines

Mon, Nov 9 - Sat, Nov 14

2:05 pm - 10:47 pmSAT San Antonio-MDT Harrisburg

7h 42m1 stop Dallas/Fort Worth

7:11 am - 2:49 pmMDT Harrisburg-SAT San Antonio

8h 38m1 stop Dallas/Fort Worth

$546American Airlines

Fri, Nov 6 - Sun, Nov 8

7:00 am - 1:54 pmSAT San Antonio-JST Johnstown Cambria County

5h 54m1 stop Washington, D.C. Dulles Intl

2:29 pm - 10:51 pmJST Johnstown Cambria County-SAT San Antonio

9h 22m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

$664United Airlines

Thu, Nov 5 - Sat, Nov 7

1:23 pm - 7:56 pmSAT San Antonio-PHL Philadelphia

5h 33m1 stop Charlotte Douglas

4:46 pm - 9:59 pmPHL Philadelphia-SAT San Antonio

6h 13m1 stop Dallas/Fort Worth

$732American Airlines

Sat, Nov 7 - Mon, Nov 9

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Frontier flights from San Antonio to Pennsylvania

Our best Frontier deals on San Antonio to Pennsylvania flight tickets

Frontier

Dec 7

SAT12:32 pmSan Antonio

11h 20m

1 stop

PHL12:52 amPhiladelphia

Dec 15

PHL4:31 pmPhiladelphia

20h 09m

2 stops

SAT11:40 amSan Antonio

$253

Frontier

Dec 23

SAT1:27 pmSan Antonio

10h 38m

1 stop

PHL1:05 amPhiladelphia

Dec 29

PHL10:20 pmPhiladelphia

15h 12m

1 stop

SAT12:32 pmSan Antonio

$256

Frontier

Dec 22

SAT8:30 pmSan Antonio

7h 41m

1 stop

PHL5:11 amPhiladelphia

Dec 30

PHL5:01 amPhiladelphia

8h 31m

1 stop

SAT12:32 pmSan Antonio

$257

Southwest flights from San Antonio to Pennsylvania

Our best Southwest deals on San Antonio to Pennsylvania flight tickets

Southwest

Nov 25

SAT5:05 pmSan Antonio

4h 30m

1 stop

PIT10:35 pmPittsburgh

Nov 30

PIT8:15 pmPittsburgh

5h 25m

1 stop

SAT12:40 amSan Antonio

$464

Southwest

Nov 30

SAT5:05 pmSan Antonio

4h 30m

1 stop

PIT10:35 pmPittsburgh

Dec 7

PIT6:30 pmPittsburgh

5h 15m

1 stop

SAT10:45 pmSan Antonio

$505

Southwest

Dec 22

SAT3:45 pmSan Antonio

8h 10m

2 stops

PIT12:55 amPittsburgh

Jan 5

PIT6:25 amPittsburgh

7h 50m

2 stops

SAT1:15 pmSan Antonio

$517

momondo Fare Finder

Use the filters below to find and compare flights from San Antonio to Pennsylvania that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioPhiladelphia

SAT San Antonio - PHL Philadelphia

SATPHL

San Antonio

Wed 12/2

8:03 pm-6:32 pm

2 stops21h 29m

Philadelphia

Wed 12/9

4:16 pm-8:45 am

1 stop17h 29m

$252

San AntonioPhiladelphia

SAT San Antonio - PHL Philadelphia

SATPHL

San Antonio

Mon 12/7

12:32 pm-12:52 am

1 stop11h 20m

Philadelphia

Tue 12/15

6:31 pm-11:40 am

2 stops18h 09m

$253

San AntonioPhiladelphia

SAT San Antonio - PHL Philadelphia

SATPHL

San Antonio

Mon 12/7

12:32 pm-12:52 am

1 stop11h 20m

Philadelphia

Tue 12/15

4:31 pm-11:40 am

2 stops20h 09m

$253

San AntonioPhiladelphia

SAT San Antonio - PHL Philadelphia

SATPHL

San Antonio

Tue 12/1

8:03 pm-1:07 pm

2 stops16h 04m

Philadelphia

Wed 12/9

4:16 pm-8:45 am

1 stop17h 29m

$254

San AntonioPhiladelphia

SAT San Antonio - PHL Philadelphia

SATPHL

San Antonio

Wed 12/9

4:40 pm-12:52 am

1 stop7h 12m

Philadelphia

Sat 12/12

6:10 pm-11:35 pm

1 stop6h 25m

$259

San AntonioPhiladelphia

SAT San Antonio - PHL Philadelphia

SATPHL

San Antonio

Sat 12/12

5:05 pm-12:52 am

1 stop6h 47m

Philadelphia

Mon 12/14

5:19 pm-12:35 am

1 stop8h 16m

$259

San AntonioPittsburgh

SAT San Antonio - PIT Pittsburgh

SATPIT

San Antonio

Fri 1/1

2:50 pm-9:12 pm

1 stop5h 22m

Pittsburgh

Fri 1/8

11:30 am-4:30 pm

1 stop6h 00m

$351

Quickest round-trip

San AntonioPittsburgh

SAT San Antonio - PIT Pittsburgh

SATPIT

San Antonio

Tue 12/22

5:58 pm-11:55 pm

1 stop4h 57m

Pittsburgh

Tue 1/5

6:04 am-11:02 am

1 stop5h 58m

$351

San AntonioPittsburgh

SAT San Antonio - PIT Pittsburgh

SATPIT

San Antonio

Tue 12/22

5:39 pm-11:59 pm

1 stop5h 20m

Pittsburgh

Tue 1/5

8:40 am-3:30 pm

2 stops7h 50m

$356

San AntonioPittsburgh

SAT San Antonio - PIT Pittsburgh

SATPIT

San Antonio

Tue 12/22

5:39 pm-11:59 pm

1 stop5h 20m

Pittsburgh

Tue 1/5

8:40 am-3:30 pm

2 stops7h 50m

$356

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Antonio to Pennsylvania

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Pennsylvania?

The month of April is, on average, the cheapest month to fly to Pennsylvania from San Antonio, with most prices found around $395. If you don’t want to visit Pennsylvania in April, then you should wait until February to fly from San Antonio, when ticket prices are also cheap, with an average price of $416.

What is the cheapest day to depart on your flight to Pennsylvania?

The cheapest day to depart on your flight to Pennsylvania is on a Tuesday when prices can be found for as low as $471. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $864. These prices are subject to change though, so be sure to set up a Price Alert for flights to Pennsylvania.

What is the cheapest time of day to depart on your flight to Pennsylvania?

Our most recent data shows that the best time of day to fly to Pennsylvania is in the morning. Flights from San Antonio to Pennsylvania during this time can be as low as $551. In contrast, the most expensive time of day to depart to Pennsylvania is at noon when prices are around $1,192.

What is the cheapest San Antonio to Pennsylvania flight route?

Fly from San Antonio to Philadelphia for the best San Antonio - Pennsylvania flight prices

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

You are more likely to see cheaper flights to Pennsylvania from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Pennsylvania for around $451 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Pennsylvania from San Antonio for as low as $302 on momondo.

What cabin class options are available on San Antonio to Pennsylvania flights?

There are 4 cabin classes available to choose from on San Antonio to Pennsylvania flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap San Antonio to Pennsylvania flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Pennsylvania

Best Price Found	$118
Fastest flight time	3h 08m
Direct flights	Fri and Sun
Airports in Pennsylvania	152 airports

The best one-way flight to Pennsylvania from San Antonio in the past 72 hours is $118. The best round-trip flight deal from San Antonio to Pennsylvania found on momondo in the last 72 hours is $252.

The fastest flight from San Antonio to Pennsylvania takes 3h 08m

Direct flights go from San Antonio to Pennsylvania on Friday and Sunday. There are no airlines offering direct flights.

There are 152 airports in Pennsylvania. From San Antonio there are direct flights to Philadelphia (PHL).

Search flight deals

Frequently asked questions about flying from San Antonio to Pennsylvania

When did momondo last update prices for flights from San Antonio Airport to Pennsylvania?
Prices for flights from San Antonio Airport to Pennsylvania were last updated today.
How many operators does momondo search for flights from San Antonio Airport to Pennsylvania?
As of November 2026, there are 5 operators available to choose from for flights from San Antonio Airport to Pennsylvania.
How old do you have to be to fly from San Antonio Airport to Pennsylvania?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Pennsylvania.
What documentation or ID do you need to fly to Pennsylvania?
The necessary travel and health documents for your Pennsylvania trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Antonio to Pennsylvania?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from San Antonio to Pennsylvania is Airbus A319 (54.79% of total bookings). The next most popular plane models are Airbus A320-100/200 (13.70%), Airbus A220-300 (10.96%), and Boeing 737 MAX 8 (4.11%).

Best airlines flying from San Antonio to Pennsylvania

Compare and see reviews for airlines that fly from San Antonio to Pennsylvania with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $141	Free Cancellation	Rating 5.5 2,513 reviews	Search Frontier flights
United Airlines	PriceFrom $194	Free Cancellation	Rating 7.3 10,460 reviews	Search United Airlines flights
Southwest	PriceFrom $221	Free Cancellation	Rating 8.0 4,215 reviews	Search Southwest flights
Delta	PriceFrom $236	Free Cancellation	Rating 7.8 8,696 reviews	Search Delta flights
American Airlines	PriceFrom $247	Free Cancellation	Rating 7.0 12,230 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Pennsylvania?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Pennsylvania from San Antonio.

Can I find flights from San Antonio to Pennsylvania with flexible booking policies on momondo?

momondo does allow users to show only those flights to Pennsylvania from San Antonio which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Antonio to Pennsylvania?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Antonio to Pennsylvania.

I’m not ready to book a flight from San Antonio to Pennsylvania right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Antonio to Pennsylvania now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Pennsylvania and let you know when they change.