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Delaware

$62+ Cheap flights from San Antonio (SAT) to Delaware

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 — ILG
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from San Antonio to Delaware

Cheapest flights from San Antonio to Delaware
Explore the most affordable flight options available from San Antonio to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This CheapOair deal was found by Cheapflights users on 1/28. 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 2/282:13 pm
SAT
-
PHL
1 stop16h 19m
Frontier
Mon 3/25:30 am
PHL
-
SAT
1 stop11h 50m
Frontier
Deal found 1/28$149
This Mytrip deal was found by Cheapflights users on 1/27. 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 3/410:26 am
SAT
-
PHL
1 stop8h 26m
Spirit Airlines
Sun 3/85:26 pm
PHL
-
SAT
1 stop17h 04m
Spirit Airlines
Deal found 1/27$167
This CheapOair deal was found by Cheapflights users on 1/27. 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.
Thu 2/1910:26 am
SAT
-
PHL
1 stop8h 26m
Multiple Airlines
Mon 2/235:30 am
PHL
-
SAT
1 stop11h 48m
Multiple Airlines
Deal found 1/27$168
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/2410:26 am
SAT
-
PHL
1 stop22h 27m
Multiple Airlines
Tue 3/37:59 pm
PHL
-
SAT
1 stop14h 31m
Multiple Airlines
Deal found 1/27$173
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/205:04 pm
SAT
-
PHL
1 stop6h 57m
Multiple Airlines
Tue 2/247:59 pm
PHL
-
SAT
1 stop14h 31m
Multiple Airlines
Deal found 1/27$176
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/66:13 pm
SAT
-
PHL
1 stop16h 05m
Frontier
Mon 2/95:30 am
PHL
-
SAT
1 stop12h 33m
Frontier
Deal found 1/28$179
This Expedia deal was found by Cheapflights users on 1/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:00 am
SAT
-
PHL
2 stops12h 52m
Multiple Airlines
Sat 3/710:38 pm
PHL
-
SAT
1 stop14h 45m
Multiple Airlines
Deal found 1/27$182
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 4/810:27 am
SAT
-
PHL
1 stop8h 13m
Spirit Airlines
Sat 4/115:00 am
PHL
-
SAT
1 stop8h 27m
Spirit Airlines
Deal found 1/27$185
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/235:04 pm
SAT
-
PHL
1 stop6h 57m
Frontier
Fri 3/68:25 pm
PHL
-
SAT
1 stop13h 41m
Frontier
Deal found 1/28$186
This Mytrip deal was found by Cheapflights users on 1/27. 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 2/246:00 am
SAT
-
PHL
2 stops16h 50m
Spirit Airlines
Tue 3/35:26 pm
PHL
-
SAT
1 stop17h 04m
Spirit Airlines
Deal found 1/27$187
This CheapOair deal was found by Cheapflights users on 1/26. 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 2/1710:26 am
SAT
-
PHL
1 stop21h 18m
Spirit Airlines
Tue 2/248:06 am
PHL
-
SAT
1 stop26h 24m
Spirit Airlines
Deal found 1/26$188

Find flight deals from San Antonio to Delaware

Keep the following information in mind while searching for San Antonio to Delaware flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$149
(CheapOair)

One-way from

$62
(Priceline)

Popular in

January

Cheapest in

September

Average price

$540
Provider with most accurate pricing for San Antonio-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Philadelphia flights.
Search Deals
From San Antonio to Delaware
Search Deals
One-way flight from San Antonio to Delaware
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to Delaware 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 January 29, 2026.
Use the filters below to find and compare flights from San Antonio to Delaware that are best for you.

Fly from

San Antonio

Fly to

Delaware

Route

Depart

Return

Price

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Thu 2/19

10:26 am-7:52 pm

1 stop8h 26m

Philadelphia

Mon 2/23

5:30 am-4:18 pm

1 stop11h 48m

$168

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Wed 4/8

10:27 am-7:40 pm

1 stop8h 13m

Philadelphia

Sat 4/11

5:00 am-12:27 pm

1 stop8h 27m

$185

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Tue 2/17

10:26 am-8:44 am

1 stop21h 18m

Philadelphia

Tue 2/24

8:06 am-9:30 am

1 stop26h 24m

$188

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Fri 3/6

3:46 pm-12:52 am

1 stop8h 06m

Philadelphia

Tue 3/10

5:18 pm-9:30 am

1 stop17h 12m

$192

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Sun 3/1

5:04 pm-11:18 am

1 stop17h 14m

Philadelphia

Thu 3/5

6:54 pm-2:51 pm

1 stop20h 57m

$193

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Wed 3/11

10:26 am-11:50 pm

1 stop12h 24m

Philadelphia

Sun 3/15

6:08 pm-9:32 am

1 stop16h 24m

$194

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Sat 2/28

6:00 am-11:50 pm

2 stops16h 50m

Philadelphia

Mon 3/2

5:30 am-4:20 pm

1 stop11h 50m

$195

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Tue 4/21

10:26 am-11:59 pm

1 stop12h 33m

Philadelphia

Tue 4/28

8:25 pm-2:19 pm

1 stop18h 54m

$214

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Wed 4/22

10:26 am-11:59 pm

1 stop12h 33m

Philadelphia

Wed 4/29

8:25 pm-2:19 pm

1 stop18h 54m

$214

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Thu 2/19

10:26 am-8:44 am

1 stop21h 18m

Philadelphia

Mon 2/23

7:46 pm-9:30 am

2 stops38h 44m

$215

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 20 results
1
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Best time to book a flight from San Antonio to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware 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 Delaware
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Delaware. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Antonio to Delaware?

    Located just 7.6 mi from the city center, San Antonio (SAT) is the airport most travelers will use when flying to Delaware from San Antonio.

  • How long is the flight from San Antonio to Delaware?

    Departing from San Antonio to Delaware will take you 8h 26m. The distance between San Antonio and Delaware is about 1493 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

See more FAQs

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