Philadelphia

$58+ Cheap flights from San Antonio to Philadelphia (SAT - PHL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — PHL
Mar 10 — Mar 171
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Find cheap flights from San Antonio to Philadelphia with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from San Antonio to Philadelphia are usually found in September or October, booked 8 days in advance, depart on a Wednesday or Saturday and return on a Saturday

Cheap flight deals from San Antonio to Philadelphia

Cheapest flights from San Antonio to Philadelphia
Explore the most affordable flight options available from San Antonio to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 8, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:26 am
SAT
-
PHL
1 stop11h 44m
Multiple Airlines
Sat 5/168:51 am
PHL
-
SAT
1 stop14h 38m
Multiple Airlines
Deal found 2/7$158
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:26 am
SAT
-
PHL
1 stop22h 27m
Multiple Airlines
Tue 3/105:18 pm
PHL
-
SAT
1 stop17h 12m
Multiple Airlines
Deal found 2/6$160
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2110:26 am
SAT
-
PHL
1 stop11h 44m
Multiple Airlines
Tue 4/285:28 pm
PHL
-
SAT
1 stop17h 02m
Multiple Airlines
Deal found 2/5$161
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:26 am
SAT
-
PHL
1 stop22h 27m
Multiple Airlines
Mon 3/95:28 pm
PHL
-
SAT
1 stop17h 02m
Multiple Airlines
Deal found 2/6$162
This Mytrip deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1810:22 am
SAT
-
PHL
1 stop12h 34m
Spirit Airlines
Mon 3/236:08 pm
PHL
-
SAT
1 stop16h 19m
Spirit Airlines
Deal found 2/7$165
This Frontier deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/225:04 pm
SAT
-
PHL
1 stop6h 57m
Frontier
Mon 3/25:30 am
PHL
-
SAT
1 stop11h 50m
Frontier
Deal found 2/8$171
This CheapOair deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2110:26 am
SAT
-
PHL
1 stop12h 33m
Spirit Airlines
Tue 4/285:57 pm
PHL
-
SAT
1 stop16h 33m
Spirit Airlines
Deal found 2/5$172
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:26 am
SAT
-
PHL
1 stop11h 44m
Multiple Airlines
Wed 5/2011:48 am
PHL
-
SAT
1 stop11h 41m
Multiple Airlines
Deal found 2/6$177
This Mytrip deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/110:22 am
SAT
-
PHL
1 stop8h 35m
Spirit Airlines
Mon 4/66:08 pm
PHL
-
SAT
1 stop16h 19m
Spirit Airlines
Deal found 2/7$179
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/410:26 am
SAT
-
PHL
1 stop7h 22m
Multiple Airlines
Wed 3/115:18 pm
PHL
-
SAT
1 stop17h 09m
Multiple Airlines
Deal found 2/6$187
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2610:26 am
SAT
-
PHL
1 stop8h 52m
Multiple Airlines
Sun 3/17:45 am
PHL
-
SAT
1 stop26h 45m
Multiple Airlines
Deal found 2/5$188

Find flight deals from San Antonio to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$158
(Kiwi.com)

One-way from

$58
(Cheapflightsfares)

Popular in

January

Cheapest in

September

Average price

$444

Good round-trip deal

$613 or less

Good one-way deal

$391 or less
Provider with most accurate pricing for San Antonio-Philadelphia flight deals.
Provider most trusted by Cheapflights users for San Antonio-Philadelphia flights.
From San Antonio to Philadelphia
One-way flight from San Antonio to Philadelphia
Highest demand for flights based on searches. 4% potential increase in price ($21 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from San Antonio to Philadelphia.
Price to beat on a one-way flight from San Antonio to Philadelphia.

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to Philadelphia 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, Cheapflights users made 2,558,603 searches. Data last updated February 8, 2026.
Use the filters below to find and compare flights from San Antonio to Philadelphia that are best for you.

Fly from

San Antonio

Fly to

Philadelphia

Route

Depart

Return

Price

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Wed 3/4

10:26 am-6:48 pm

1 stop7h 22m

Philadelphia

Tue 3/10

5:18 pm-9:30 am

1 stop17h 12m

$160

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Sun 2/22

5:04 pm-1:01 am

1 stop6h 57m

Philadelphia

Mon 3/2

5:30 am-4:20 pm

1 stop11h 50m

$171

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Wed 3/4

10:26 am-6:48 pm

1 stop7h 22m

Philadelphia

Wed 3/11

5:18 pm-9:27 am

1 stop17h 09m

$187

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Sat 3/21

10:22 am-10:59 pm

1 stop11h 37m

Philadelphia

Sun 3/22

8:18 am-9:27 am

1 stop26h 09m

$189

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Thu 3/5

10:26 am-8:28 pm

1 stop9h 02m

Philadelphia

Mon 3/9

5:28 pm-9:30 am

1 stop17h 02m

$196

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Tue 2/24

10:26 am-4:26 pm

3 stops29h 00m

Philadelphia

Mon 3/2

5:26 pm-9:30 am

1 stop17h 04m

$197

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Thu 3/19

10:22 am-8:39 am

1 stop21h 17m

Philadelphia

Mon 3/23

6:08 pm-9:27 am

1 stop16h 19m

$202

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Thu 2/26

10:26 am-8:18 pm

1 stop8h 52m

Philadelphia

Sat 2/28

8:59 pm-9:30 am

1 stop13h 31m

$206

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Tue 2/24

10:26 am-9:53 am

1 stop22h 27m

Philadelphia

Sat 2/28

8:59 pm-9:30 am

1 stop13h 31m

$210

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Thu 3/19

10:22 am-11:56 pm

1 stop12h 34m

Philadelphia

Sun 3/22

8:18 am-9:27 am

1 stop26h 09m

$212

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

Showing 1-10 of 21 results
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Compare providers for flights from San Antonio to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Philadelphia in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Antonio-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Antonio to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from San Antonio with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Antonio to Philadelphia

How far ahead should I book a flight from San Antonio to Philadelphia?

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Philadelphia. Price data was last updated on January 30, 2026.

Booking 8 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Antonio to Philadelphia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Antonio to Philadelphia?

Currently, January is the cheapest month in which you can book a flight from San Antonio to Philadelphia (average of $80). Flying from San Antonio to Philadelphia in July is currently the most expensive (average of $162). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated February 8, 2026.
See what other customers who have flown with Southwest, Delta, and American Airlines from San Antonio to Philadelphia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from San Antonio to Philadelphia?

    There are many flights that can get you from San Antonio to Philadelphia in 6h 57m. Fly via Frontier to get the fastest option. The distance between San Antonio and Philadelphia is about 1493 mi.

  • What are the cheapest airlines flying from San Antonio to Philadelphia round-trip?

    Flying on Spirit Airlines is currently your cheapest option to Philadelphia, with prices starting at $115. Additional round-trip tickets that might be worth considering are offered by Frontier and Delta, with the lowest prices starting at $142 and $208, respectively. These flights start at 73% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from San Antonio to Philadelphia one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $84. Frontier flights start at $97 while deals on Delta start at $133 one-way.

  • What are the cheapest flights from San Antonio to Philadelphia?

    On average you can expect to pay $726 for a flight from San Antonio to Philadelphia. The cheapest flight overall is $267 while the most popular route, (San Antonio - Philadelphia) is currently priced at $172.

  • Can I find deals for flights from San Antonio to Philadelphia that include hotel bookings?

    Yes. In addition to deals on San Antonio to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Antonio to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Philadelphia.

  • Can I find deals for business class flights from San Antonio to Philadelphia?

    Yes. Cheapflights offers flight deals from San Antonio to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Antonio to Philadelphia?

    Currently, January is the cheapest month in which you can book a flight from San Antonio to Philadelphia (average of $80). Flying from San Antonio to Philadelphia in July is currently the most expensive (average of $162). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Pottstown
Reading
Ocean City
King of Prussia
Cherry Hill
Lewes
Dewey Beach
Ephrata
Camden
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Glen Mills
Newark

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Antonio to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from San Antonio to Philadelphia

Discover the top 6 airlines that operate flights from San Antonio to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$115Average$257FlexibilityNo cancel feeOn-time65%
FrontierCheapest$142Average$258FlexibilityNo cancel feeOn-time62%
DeltaCheapest$208Average$413FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$287Average$480FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$296Average$445FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$341Average$459FlexibilityNo cancel feeOn-time71%

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