HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Delaware

$65+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — ILG
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Antonio to Delaware 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.

Cheap 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$130
(CheapOair)

One-way from

$65
(CheapOair)

Popular in

June

Cheapest in

September

Average price

$436
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. 6% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find 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 October 30, 2025.

This CheapOair deal was found by Cheapflights users on 10/27. 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 11/138:38 pmSAT - PHL
1 stop7h 11mFrontier
Wed 11/196:50 pmPHL - SAT
1 stop24h 52mFrontier
Deal found 10/27$130
This Frontier deal was found by Cheapflights users on 10/29. 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.
Thu 11/138:38 pmSAT - PHL
1 stop7h 11mFrontier
Mon 11/175:50 amPHL - SAT
1 stop11h 50mFrontier
Deal found 10/29$150
This Expedia deal was found by Cheapflights users on 10/27. 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.
Thu 11/138:38 pmSAT - PHL
1 stop7h 11mMultiple Airlines
Tue 11/186:00 amPHL - SAT
1 stop13h 32mMultiple Airlines
Deal found 10/27$158
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:37 pmSAT - PHL
1 stop12h 53mSpirit Airlines
Mon 11/176:00 amPHL - SAT
1 stop13h 32mSpirit Airlines
Deal found 10/27$161
This Priceline deal was found by Cheapflights users on 10/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1910:58 amSAT - PHL
2 stops11h 43mMultiple Airlines
Thu 11/206:00 amPHL - SAT
1 stop9h 28mMultiple Airlines
Deal found 10/29$166
This Trip.com deal was found by Cheapflights users on 10/30. 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.
Mon 11/105:35 pmSAT - PHL
1 stop5h 44mMultiple Airlines
Mon 11/176:00 amPHL - SAT
1 stop13h 32mMultiple Airlines
Deal found 10/30$173
This CheapOair deal was found by Cheapflights users on 10/30. 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 12/119:10 amSAT - PHL
1 stop23h 50mFrontier
Sat 12/132:06 pmPHL - SAT
1 stop18h 49mFrontier
Deal found 10/30$176
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/1910:58 amSAT - PHL
1 stop19h 34mMultiple Airlines
Mon 11/248:42 pmPHL - SAT
1 stop20h 17mMultiple Airlines
Deal found 10/29$180
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Thu 12/49:10 amSAT - PHL
1 stop10h 29mMultiple Airlines
Mon 12/88:00 amPHL - SAT
1 stop16h 26mMultiple Airlines
Deal found 10/28$181
This Frontier deal was found by Cheapflights users on 10/29. 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 11/105:35 pmSAT - PHL
1 stop5h 44mFrontier
Fri 11/145:50 amPHL - SAT
1 stop11h 50mFrontier
Deal found 10/29$183
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/53:10 pmSAT - PHL
1 stop8h 30mMultiple Airlines
Tue 12/910:00 pmPHL - SAT
2 stops41h 11mMultiple Airlines
Deal found 10/28$189
This Priceline deal was found by Cheapflights users on 10/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1910:58 amSAT - PHL
2 stops11h 43mSpirit Airlines
Tue 11/256:15 amPHL - SAT
1 stop10h 44mSpirit Airlines
Deal found 10/28$190

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 October 30, 2025.
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 11/13

8:38 pm-4:49 am

1 stop7h 11m

Philadelphia

Wed 11/19

6:50 pm-6:42 pm

1 stop24h 52m

$130

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Fri 11/14

7:37 pm-9:30 am

1 stop12h 53m

Philadelphia

Mon 11/17

6:00 am-6:32 pm

1 stop13h 32m

$161

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Mon 11/10

5:35 pm-12:19 am

1 stop5h 44m

Philadelphia

Fri 11/14

5:50 am-4:40 pm

1 stop11h 50m

$183

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Fri 12/5

2:13 pm-12:40 am

1 stop9h 27m

Philadelphia

Mon 12/8

8:00 am-11:26 pm

1 stop16h 26m

$198

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Sun 11/23

7:39 pm-7:32 am

1 stop10h 53m

Philadelphia

Mon 12/1

3:00 pm-3:59 pm

2 stops25h 59m

$210

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Thu 11/13

7:37 pm-9:30 am

1 stop12h 53m

Philadelphia

Wed 11/19

6:15 am-1:17 pm

3 stops32h 02m

$222

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Thu 12/25

10:18 am-5:31 am

2 stops18h 13m

Philadelphia

Wed 12/31

5:30 am-11:26 pm

1 stop18h 56m

$232

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Fri 11/21

8:33 pm-7:32 am

1 stop9h 59m

Philadelphia

Mon 11/24

8:42 pm-3:59 pm

1 stop20h 17m

$233

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Thu 11/20

7:00 am-11:03 pm

2 stops15h 03m

Philadelphia

Sun 11/23

9:00 am-6:32 pm

1 stop10h 32m

$237

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Mon 12/8

1:55 pm-12:36 am

1 stop9h 41m

Philadelphia

Mon 12/15

6:15 am-6:59 pm

2 stops37h 44m

$245

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 21 results
1
2
3

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 7h 11m. 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

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 for San Antonio to Delaware

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to John F Kennedy Intl flights
Dallas/Fort Worth to LaGuardia flights
Dallas/Fort Worth to Las Vegas flights
Dallas/Fort Worth to Newark flights
Hobby to Newark flights
Dallas/Fort Worth to Los Angeles flights
Hobby to LaGuardia flights
Dallas/Fort Worth to Denver flights
Dallas/Fort Worth to Orlando flights
Hobby to John F Kennedy Intl flights
Dallas/Fort Worth to O'Hare Intl flights
Dallas/Fort Worth to Seattle flights
Austin to John F Kennedy Intl flights
Dallas/Fort Worth to Baltimore flights
Hobby to Las Vegas flights
Dallas/Fort Worth to Dulles Intl flights
George Bush Intcntl to Newark flights
Dallas/Fort Worth to San Francisco flights
Hobby to Denver flights
Dallas/Fort Worth to Miami flights
Dallas/Fort Worth to Sky Harbor Intl flights
George Bush Intcntl to John F Kennedy Intl flights
George Bush Intcntl to LaGuardia flights
Dallas/Fort Worth to Fort Lauderdale flights
Austin to Newark flights
George Bush Intcntl to Las Vegas flights
Hobby to Seattle flights
Dallas/Fort Worth to Boston flights
Dallas/Fort Worth to Atlanta flights
Dallas/Fort Worth to Ontario flights
Austin to Las Vegas flights
George Bush Intcntl to Denver flights
Dallas/Fort Worth to Reagan-National flights
Dallas/Fort Worth to Santa Ana flights
Hobby to Los Angeles flights
Hobby to Orlando flights
George Bush Intcntl to Seattle flights
Austin to Los Angeles flights
Love Field to LaGuardia flights
Dallas/Fort Worth to Midway flights
Hobby to Dulles Intl flights
Love Field to Las Vegas flights
Austin to LaGuardia flights
Hobby to Midway flights
George Bush Intcntl to Los Angeles flights
Dallas/Fort Worth to Hobby flights
Dallas/Fort Worth to Minneapolis flights
Hobby to Atlanta flights
George Bush Intcntl to Orlando flights
Dallas/Fort Worth to Detroit flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.