$75+ Cheap flights from Philadelphia to San Antonio (PHL - SAT)
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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SAT
Mar 8 — Mar 151
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Philadelphia to San Antonio with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Philadelphia to San Antonio are usually found in April or October, booked 83 days in advance, depart on a Saturday or Wednesday and return on a Wednesday
Cheap flight deals from Philadelphia to San Antonio
Cheapest
Best
Last-minute
One-way
Cheapest flights from Philadelphia to San AntonioExplore the most affordable flight options available from Philadelphia to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 6, 2026.
Explore the most affordable flight options available from Philadelphia to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 6, 2026.
This Mytrip deal was found by Cheapflights users on 2/4. 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.
Fri 3/206:08 pm
PHL
- SAT
1 stop16h 19m
Spirit Airlines
Mon 3/231:22 pm
SAT
- PHL
3 stops29h 35m
Spirit Airlines
Deal found 2/4![Spirit Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/261:13 pm
PHL
- SAT
2 stops21h 14m
Multiple Airlines
Sun 3/292:13 pm
SAT
- PHL
1 stop16h 23m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$302
This Mytrip deal was found by Cheapflights users on 2/3. 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.
Fri 2/207:46 pm
PHL
- SAT
2 stops14h 44m
Spirit Airlines
Mon 2/236:00 am
SAT
- PHL
3 stops25h 44m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$303
This Mytrip deal was found by Cheapflights users on 2/4. 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.
Sat 2/215:26 pm
PHL
- SAT
1 stop17h 04m
Spirit Airlines
Mon 2/2310:26 am
SAT
- PHL
3 stops29h 00m
Spirit Airlines
Deal found 2/4![Spirit Airlines logo]()
$304
This Mytrip deal was found by Cheapflights users on 2/4. 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 2/255:30 am
PHL
- SAT
3 stops29h 00m
Spirit Airlines
Sat 2/286:00 am
SAT
- PHL
3 stops25h 44m
Spirit Airlines
Deal found 2/4![Spirit Airlines logo]()
$305
This Mytrip deal was found by Cheapflights users on 2/3. 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.
Tue 3/35:30 am
PHL
- SAT
3 stops29h 00m
Spirit Airlines
Fri 3/66:00 am
SAT
- PHL
2 stops16h 50m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Mon 2/168:06 am
PHL
- SAT
1 stop26h 24m
Multiple Airlines
Sat 2/217:56 pm
SAT
- PHL
2 stops42h 54m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$307
This Mytrip deal was found by Cheapflights users on 2/3. 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 3/119:39 am
PHL
- SAT
3 stops24h 48m
Spirit Airlines
Mon 3/161:22 pm
SAT
- PHL
2 stops18h 17m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$308
This Mytrip deal was found by Cheapflights users on 2/4. 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.
Sat 2/216:00 am
PHL
- SAT
2 stops18h 59m
Spirit Airlines
Tue 2/2410:26 am
SAT
- PHL
3 stops29h 00m
Spirit Airlines
Deal found 2/4![Spirit Airlines logo]()
$310
This Mytrip deal was found by Cheapflights users on 2/4. 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.
Sat 2/146:13 pm
PHL
- SAT
1 stop26h 16m
Frontier
Sun 2/225:04 pm
SAT
- PHL
1 stop6h 57m
Frontier
Deal found 2/4![Frontier logo]()
$311
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/136:08 pm
PHL
- SAT
1 stop16h 19m
Spirit Airlines
Wed 3/181:22 pm
SAT
- PHL
2 stops18h 17m
Spirit Airlines
Deal found 2/6![Spirit Airlines logo]()
$312
Best flights from Philadelphia to San AntonioDiscover carefully curated flight deals from Philadelphia to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 6, 2026.
Discover carefully curated flight deals from Philadelphia to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 6, 2026.
This Mytrip deal was found by Cheapflights users on 2/4. 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.
Fri 3/206:08 pm
PHL
- SAT
1 stop16h 19m
Spirit Airlines
Mon 3/231:22 pm
SAT
- PHL
3 stops29h 35m
Spirit Airlines
Deal found 2/4![Spirit Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Sat 4/255:05 am
PHL
- SAT
1 stop13h 54m
Multiple Airlines
Sun 4/2610:26 am
SAT
- PHL
2 stops13h 28m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$303
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.
Sat 3/75:26 pm
PHL
- SAT
1 stop16h 04m
Spirit Airlines
Sat 3/1410:22 am
SAT
- PHL
1 stop12h 34m
Spirit Airlines
Deal found 2/5![Spirit Airlines logo]()
$305
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/235:30 am
PHL
- SAT
1 stop11h 48m
Multiple Airlines
Sat 2/286:00 am
SAT
- PHL
2 stops16h 50m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$313
This CheapOair deal was found by Cheapflights users on 2/3. 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.
Wed 3/118:06 am
PHL
- SAT
1 stop26h 21m
Spirit Airlines
Sun 3/1510:22 am
SAT
- PHL
1 stop21h 17m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$305
This Mytrip deal was found by Cheapflights users on 2/3. 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.
Thu 2/268:06 am
PHL
- SAT
2 stops16h 53m
Spirit Airlines
Tue 3/310:26 am
SAT
- PHL
3 stops29h 00m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$317
This CheapOair deal was found by Cheapflights users on 2/3. 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.
Sat 4/185:57 pm
PHL
- SAT
2 stops29h 32m
Spirit Airlines
Tue 4/2110:26 am
SAT
- PHL
2 stops29h 10m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$323
This CheapOair deal was found by Cheapflights users on 2/4. 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.
Wed 2/256:00 am
PHL
- SAT
2 stops18h 59m
Spirit Airlines
Sat 2/286:00 am
SAT
- PHL
2 stops16h 50m
Spirit Airlines
Deal found 2/4![Spirit Airlines logo]()
$330
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/265:57 pm
PHL
- SAT
1 stop16h 33m
Spirit Airlines
Fri 5/16:00 am
SAT
- PHL
2 stops16h 59m
Spirit Airlines
Deal found 2/6![Spirit Airlines logo]()
$331
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/35:30 am
PHL
- SAT
2 stops29h 00m
Spirit Airlines
Fri 3/66:00 am
SAT
- PHL
2 stops25h 44m
Spirit Airlines
Deal found 2/6![Spirit Airlines logo]()
$337
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.
Fri 3/65:30 am
PHL
- SAT
2 stops29h 00m
Spirit Airlines
Thu 3/1210:22 am
SAT
- PHL
2 stops11h 30m
Spirit Airlines
Deal found 2/5![Spirit Airlines logo]()
$340
Last-minute flights from Philadelphia to San AntonioDiscover last-minute flight deals from Philadelphia to San Antonio. Data last updated February 6, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to San Antonio. Data last updated February 6, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 2/4. 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.
Sat 2/146:13 pm
PHL
- SAT
1 stop26h 16m
Frontier
Sun 2/225:04 pm
SAT
- PHL
1 stop6h 57m
Frontier
Deal found 2/4![Frontier logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Mon 2/168:06 am
PHL
- SAT
1 stop26h 24m
Multiple Airlines
Sat 2/217:56 pm
SAT
- PHL
2 stops42h 54m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$307
This Mytrip deal was found by Cheapflights users on 2/3. 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.
Fri 2/207:46 pm
PHL
- SAT
2 stops14h 44m
Spirit Airlines
Mon 2/236:00 am
SAT
- PHL
3 stops25h 44m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$303
This Mytrip deal was found by Cheapflights users on 2/4. 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.
Sat 2/215:26 pm
PHL
- SAT
1 stop17h 04m
Spirit Airlines
Mon 2/2310:26 am
SAT
- PHL
3 stops29h 00m
Spirit Airlines
Deal found 2/4![Spirit Airlines logo]()
$304
This Mytrip deal was found by Cheapflights users on 2/4. 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.
Sat 2/216:00 am
PHL
- SAT
2 stops18h 59m
Spirit Airlines
Tue 2/2410:26 am
SAT
- PHL
3 stops29h 00m
Spirit Airlines
Deal found 2/4![Spirit Airlines logo]()
$310
This Mytrip deal was found by Cheapflights users on 2/4. 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 2/255:30 am
PHL
- SAT
3 stops29h 00m
Spirit Airlines
Sat 2/286:00 am
SAT
- PHL
3 stops25h 44m
Spirit Airlines
Deal found 2/4![Spirit Airlines logo]()
$305
This Mytrip deal was found by Cheapflights users on 2/3. 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.
Tue 3/35:30 am
PHL
- SAT
3 stops29h 00m
Spirit Airlines
Fri 3/66:00 am
SAT
- PHL
2 stops16h 50m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$306
This Mytrip deal was found by Cheapflights users on 2/3. 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 3/119:39 am
PHL
- SAT
3 stops24h 48m
Spirit Airlines
Mon 3/161:22 pm
SAT
- PHL
2 stops18h 17m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$308
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/136:08 pm
PHL
- SAT
1 stop16h 19m
Spirit Airlines
Wed 3/181:22 pm
SAT
- PHL
2 stops18h 17m
Spirit Airlines
Deal found 2/6![Spirit Airlines logo]()
$312
This Mytrip deal was found by Cheapflights users on 2/4. 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.
Fri 3/206:08 pm
PHL
- SAT
1 stop16h 19m
Spirit Airlines
Mon 3/231:22 pm
SAT
- PHL
3 stops29h 35m
Spirit Airlines
Deal found 2/4![Spirit Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/261:13 pm
PHL
- SAT
2 stops21h 14m
Multiple Airlines
Sun 3/292:13 pm
SAT
- PHL
1 stop16h 23m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$302
One-way flights from Philadelphia to San AntonioSearch for one-way flight options from Philadelphia to San Antonio. Find affordable one-way fares based on user searches. Data last updated February 6, 2026.
Search for one-way flight options from Philadelphia to San Antonio. Find affordable one-way fares based on user searches. Data last updated February 6, 2026.
This Trip.com deal was found by Cheapflights users on 2/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/179:30 am
PHL
- SAT
1 stop24h 57m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$75
This Mytrip deal was found by Cheapflights users on 2/3. 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.
Mon 3/25:26 pm
PHL
- SAT
1 stop17h 04m
Spirit Airlines
Deal found 2/3![Spirit Airlines logo]()
$78
This Trip.com deal was found by Cheapflights users on 2/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:59 pm
PHL
- SAT
1 stop14h 31m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$79
This Frontier deal was found by Cheapflights users on 2/4. 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.
Mon 3/25:30 am
PHL
- SAT
1 stop11h 50m
Frontier
Deal found 2/4![Frontier logo]()
$80
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 4/75:32 pm
PHL
- SAT
1 stop16h 55m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$84
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 3/37:59 pm
PHL
- SAT
1 stop14h 31m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Fri 2/2010:59 pm
PHL
- SAT
1 stop15h 13m
Frontier
Deal found 2/4![Frontier logo]()
$90
This CheapOair deal was found by Cheapflights users on 2/4. 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.
Mon 5/45:57 pm
PHL
- SAT
1 stop16h 33m
Spirit Airlines
Deal found 2/4![Spirit Airlines logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/56:54 pm
PHL
- SAT
1 stop20h 57m
Frontier
Deal found 2/3![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 5/55:28 pm
PHL
- SAT
1 stop17h 02m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$95
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/288:59 pm
PHL
- SAT
1 stop13h 31m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$96
Find flight deals from Philadelphia to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to San Antonio (SAT). 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 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $301 (Mytrip) |
One-way from | $75 (Trip.com) |
Popular in | January |
Cheapest in | April |
Average price | $449 |
Good round-trip deal | $361 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia to San Antonio 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 6, 2026.
Use the filters below to find and compare flights from Philadelphia to San Antonio that are best for you.
Fly from
Philadelphia
Fly to
San Antonio
Route
Depart
Return
Price
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Fri 3/20
6:08 pm-9:27 am
1 stop16h 19m
San Antonio
Mon 3/23
1:22 pm-7:57 pm
3 stops29h 35m
$301
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Sat 4/25
5:05 am-5:59 pm
1 stop13h 54m
San Antonio
Sun 4/26
10:26 am-12:54 am
2 stops13h 28m
$303
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Sat 3/7
5:26 pm-8:30 am
1 stop16h 04m
San Antonio
Sat 3/14
10:22 am-11:56 pm
1 stop12h 34m
$305
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Wed 3/11
8:06 am-9:27 am
1 stop26h 21m
San Antonio
Sun 3/15
10:22 am-8:39 am
1 stop21h 17m
$305
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Mon 2/23
5:30 am-4:18 pm
1 stop11h 48m
San Antonio
Sat 2/28
6:00 am-11:50 pm
2 stops16h 50m
$313
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Thu 2/26
8:06 am-11:59 pm
2 stops16h 53m
San Antonio
Tue 3/3
10:26 am-4:26 pm
3 stops29h 00m
$317
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Sat 4/18
5:57 pm-10:29 pm
2 stops29h 32m
San Antonio
Tue 4/21
10:26 am-4:36 pm
2 stops29h 10m
$323
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Wed 2/25
6:00 am-11:59 pm
2 stops18h 59m
San Antonio
Sat 2/28
6:00 am-11:50 pm
2 stops16h 50m
$330
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Sun 4/26
5:57 pm-9:30 am
1 stop16h 33m
San Antonio
Fri 5/1
6:00 am-11:59 pm
2 stops16h 59m
$331
PhiladelphiaSan Antonio
PHL - SAT
PHLSAT
Philadelphia
Tue 3/3
5:30 am-9:30 am
2 stops29h 00m
San Antonio
Fri 3/6
6:00 am-8:44 am
2 stops25h 44m
$337
Showing 1-10 of 23 results
Compare providers for flights from Philadelphia to San Antonio
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 Philadelphia to San Antonio in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Philadelphia-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-San Antonio flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Philadelphia-San Antonio 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 Philadelphia-San Antonio 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 Philadelphia to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Philadelphia with our price prediction graph.
PHL-SAT
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 Philadelphia to San Antonio
Prices
Delays
More
How far ahead should I book a flight from Philadelphia to San Antonio?
Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to San Antonio. Price data was last updated on January 30, 2026.
The best time to book flights from Philadelphia to San Antonio is 83 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Philadelphia to San Antonio?
Currently, December is the cheapest month in which you can book a flight from Philadelphia to San Antonio (average of $56). Flying from Philadelphia to San Antonio in February is currently the most expensive (average of $144). 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.
How often are flights from Philadelphia to San Antonio delayed?
About 25% of weekly flights between Philadelphia and San Antonio have experienced delays in the past year, with the average delay time being 184 minutes.
What is the most punctual flight time for Philadelphia to San Antonio flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Philadelphia to San Antonio flights?
Over the last year, American Airlines have had the lowest number of delays on this route, with just 25% of flights being delayed.
What’s the top layover airport for flights from Philadelphia to San Antonio?
Share of 1-stop round-trip flights from Philadelphia to San Antonio chosen by Cheapflights users in the past 12 months, using the same layover each way.
Houston (IAH) – chosen by Cheapflights users on 33% of 1-stop itineraries from Philadelphia to San Antonio on Cheapflights.
What’s the cheapest layover airport for flights from Philadelphia to San Antonio?
Average round-trip fare for 1-stop flights from Philadelphia to San Antonio, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Orlando (MCO) is the most affordable 1-stop option, with an average round-trip price of $250.
What’s the fastest layover option from Philadelphia to San Antonio?
Shortest average travel time for 1-stop one-way flights from Philadelphia to San Antonio, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Houston (IAH) have the shortest average one-way travel time for 1-stop routes: 5h 20m.
Which airport typically offers the quickest layover for flights from Philadelphia to San Antonio?
Average layover duration for 1-stop one-way flights from Philadelphia to San Antonio, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Nashville (BNA) offer the fastest connection on this route, with an average layover time of 0h 50m.
Reviews of airlines servicing San Antonio
Get insights into the airlines that provide service to San Antonio. 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 San Antonio. Reviews last updated February 6, 2026.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Philadelphia to San Antonio. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Philadelphia to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Philadelphia
Popular flights
San Antonio flight routes
Alternative routes for Philadelphia to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Antonio by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Philadelphia to San Antonio by cabin class
Find flights from Philadelphia to San Antonio, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Philadelphia and San Antonio flights
Browse other Philadelphia and San Antonio flight options. Last updated on February 6, 2026.
Other flights from Philadelphia
Browse through other flights departing from Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on February 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Antonio
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 6, 2026.
Top 6 airlines flying from Philadelphia to San Antonio
Discover the top 6 airlines that operate flights from Philadelphia to San Antonio. 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 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$127 | Average$219 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$149 | Average$272 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$276 | Average$439 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$287 | Average$490 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$320 | Average$500 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$330 | Average$455 | FlexibilityNo cancel fee | On-time63% |