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Cheap flights from San Antonio to Pennsylvania from $99

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Pennsylvania departing on 5/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from San Antonio to Pennsylvania

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:54 pm - 5:37 am
SAT
-
PHL
8h 43m
1 stop
Frontier Logo
8:35 pm - 6:59 pm
PHL
-
SAT
23h 24m
1 stop
$205Frontier
Wed, May 20 - Wed, May 27
Frontier Logo
7:54 pm - 5:37 am
SAT
-
PHL
8h 43m
1 stop
Frontier Logo
10:40 am - 8:14 pm
PHL
-
SAT
10h 34m
1 stop
$210Frontier
Tue, May 26 - Sat, May 30
United Airlines Logo
5:57 pm - 9:15 am
SAT
-
EWR
14h 18m
2 stops
United Airlines Logo
12:20 pm - 3:21 pm
EWR
-
SAT
4h 01mnonstop
$304United Airlines
Tue, Jun 2 - Wed, Jun 3
Delta Logo
5:25 am - 2:10 pm
SAT
-
IAD
7h 45m
1 stop
Delta Logo
6:00 am - 11:10 am
IAD
-
SAT
6h 10m
1 stop
$309Delta
Wed, Jun 3 - Sun, Jun 7
Delta Logo
5:00 pm - 11:44 pm
SAT
-
DCA
5h 44m
1 stop
Delta Logo
6:59 am - 1:35 pm
DCA
-
SAT
7h 36m
1 stop
$309Delta
Sat, Jun 13 - Wed, Jun 17
American Airlines Logo
6:15 am - 10:34 am
SAT
-
DCA
3h 19mnonstop
American Airlines Logo
6:32 pm - 9:15 pm
DCA
-
SAT
3h 43mnonstop
$310American Airlines
Thu, May 28 - Wed, Jun 3
Southwest Logo
12:55 pm - 9:55 pm
SAT
-
LGA
8h 00m
1 stop
Southwest Logo
6:30 am - 10:50 am
LGA
-
SAT
5h 20m
1 stop
$314Southwest
Tue, Jul 28 - Tue, Aug 4
Southwest Logo
5:30 am - 2:00 pm
SAT
-
DCA
7h 30m
2 stops
Southwest Logo
6:05 am - 12:45 pm
DCA
-
SAT
7h 40m
1 stop
$314Southwest
Mon, Jun 8 - Wed, Jun 10
American Airlines Logo
6:15 am - 10:34 am
SAT
-
DCA
3h 19mnonstop
American Airlines Logo
5:00 am - 9:10 am
DCA
-
SAT
5h 10m
1 stop
$316American Airlines
Fri, Jun 5 - Sun, Jun 7
United Airlines Logo
9:37 am - 6:50 pm
SAT
-
IAD
8h 13m
1 stop
United Airlines Logo
8:25 am - 10:59 am
IAD
-
SAT
3h 34mnonstop
$319United Airlines
Fri, Jul 10 - Fri, Aug 7

Delta flights from San Antonio to Pennsylvania

Our best Delta deals on San Antonio to Pennsylvania flight tickets
Delta
Jun 3
SAT5:25 amSan Antonio
7h 45m
1 stop
IAD2:10 pmWashington, D.C. Dulles Intl
Jun 7
IAD6:00 amWashington, D.C. Dulles Intl
6h 10m
1 stop
SAT11:10 amSan Antonio
$309
Delta
May 26
SAT5:25 amSan Antonio
5h 54m
1 stop
ABE12:19 pmAllentown-Bethlehem
Jun 2
ABE6:15 pmAllentown-Bethlehem
7h 29m
1 stop
SAT12:44 amSan Antonio
$319
Delta
Jun 9
SAT5:25 amSan Antonio
6h 02m
1 stop
ABE12:27 pmAllentown-Bethlehem
Jun 13
ABE6:09 pmAllentown-Bethlehem
7h 24m
1 stop
SAT12:33 amSan Antonio
$334

American Airlines flights from San Antonio to Pennsylvania

Our best American Airlines deals on San Antonio to Pennsylvania flight tickets
American Airlines
May 28
SAT6:15 amSan Antonio
3h 19m
DCA10:34 amWashington, D.C. Reagan-National
Jun 3
DCA6:32 pmWashington, D.C. Reagan-National
3h 43m
SAT9:15 pmSan Antonio
$310
American Airlines
Jun 5
SAT6:15 amSan Antonio
3h 19m
DCA10:34 amWashington, D.C. Reagan-National
Jun 7
DCA5:00 amWashington, D.C. Reagan-National
5h 10m
1 stop
SAT9:10 amSan Antonio
$316
American Airlines
Jun 2
SAT6:04 amSan Antonio
9h 11m
1 stop
JFK4:15 pmNew York John F Kennedy Intl
Jun 3
JFK3:30 pmNew York John F Kennedy Intl
7h 47m
1 stop
SAT10:17 pmSan Antonio
$319

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Pennsylvania that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 5, 2026.
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 - PHL

SATPHL

San Antonio

Wed 5/20

7:54 pm-5:37 am

1 stop8h 43m

Philadelphia

Wed 5/27

8:35 pm-6:59 pm

1 stop23h 24m

$205

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Tue 5/26

7:54 pm-5:37 am

1 stop8h 43m

Philadelphia

Sat 5/30

10:40 am-8:14 pm

1 stop10h 34m

$210

San AntonioNewark

SAT - EWR

SATEWR

San Antonio

Tue 6/2

5:57 pm-9:15 am

2 stops14h 18m

Newark

Wed 6/3

12:20 pm-3:21 pm

Nonstop4h 01m

$304

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Wed 6/3

5:25 am-2:10 pm

1 stop7h 45m

Washington, D.C. Dulles Intl

Sun 6/7

6:00 am-11:10 am

1 stop6h 10m

$309

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Sat 6/13

5:00 pm-11:44 pm

1 stop5h 44m

Washington, D.C. Reagan-National

Wed 6/17

6:59 am-1:35 pm

1 stop7h 36m

$309
Quickest round-trip

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Thu 5/28

6:15 am-10:34 am

Nonstop3h 19m

Washington, D.C. Reagan-National

Wed 6/3

6:32 pm-9:15 pm

Nonstop3h 43m

$310

San AntonioNew York

SAT - LGA

SATLGA

San Antonio

Tue 7/28

12:55 pm-9:55 pm

1 stop8h 00m

New York LaGuardia

Tue 8/4

6:30 am-10:50 am

1 stop5h 20m

$314

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Mon 6/8

5:30 am-2:00 pm

2 stops7h 30m

Washington, D.C. Reagan-National

Wed 6/10

6:05 am-12:45 pm

1 stop7h 40m

$314

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Fri 6/5

6:15 am-10:34 am

Nonstop3h 19m

Washington, D.C. Reagan-National

Sun 6/7

5:00 am-9:10 am

1 stop5h 10m

$316

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Fri 7/10

9:37 am-6:50 pm

1 stop8h 13m

Washington, D.C. Dulles Intl

Fri 8/7

8:25 am-10:59 am

Nonstop3h 34m

$319

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Pennsylvania from

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

What is the cheapest month to fly to Pennsylvania?

The month of October is, on average, the cheapest month to fly to Pennsylvania from San Antonio, with most prices found around $105. If you don’t want to visit Pennsylvania in October, then you should wait until March to fly from San Antonio, when ticket prices are also cheap, with an average price of $117.

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 $475. 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 Monday because tickets tend to average around $1,200. 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 $499. In contrast, the most expensive time of day to depart to Pennsylvania is at noon when prices are around $1,316.

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 $430 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 $308 on momondo.

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

$233

Fastest flight time

3h 10m

Direct flights

Every day

Airports in Pennsylvania

152 airports
The best one-way flight to Pennsylvania from San Antonio in the past 72 hours is $233. The best round-trip flight deal from San Antonio to Pennsylvania found on momondo in the last 72 hours is $473.
The fastest flight from San Antonio to Pennsylvania takes 3h 10m
Direct flights go from San Antonio to Pennsylvania every day.
There are 152 airports in Pennsylvania. From San Antonio there are direct flights to Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD).
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?

  • 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?

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
FrontierPriceFrom $141Free CancellationRating
5.6
2,966 reviews
Search Frontier flights
United AirlinesPriceFrom $190Free CancellationRating
7.4
9,683 reviews
Search United Airlines flights
Spirit AirlinesPriceFrom $202Free CancellationRating
6.3
8,634 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $238Free CancellationRating
7.1
11,668 reviews
Search American Airlines flights
SouthwestPriceFrom $243Free CancellationRating
7.9
4,305 reviews
Search Southwest flights
DeltaPriceFrom $268Free CancellationRating
7.9
8,459 reviews
Search Delta 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.

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