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Delaware

$81+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — ILG
Mar 9 — Mar 161
Sun 3/9
Sun 3/16
1 adult, Economy
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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 March 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$131
(CheapOair)

One-way from

$81
(CheapOair)

Popular in

November

Cheapest in

May

Average price

$450
Provider with most accurate pricing for San Antonio-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for San Antonio-Philadelphia flights.
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From San Antonio to Delaware
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One-way flight from San Antonio to Delaware
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Highest demand for flights based on searches. 5% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 4, 2025.

This CheapOair deal was found by Cheapflights users on 3/4. 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.
Tue 4/15:20 pmSAT - PHL
1 stop23h 57mSpirit Airlines
Tue 4/86:34 pmPHL - SAT
1 stop26h 27mSpirit Airlines
Deal found 3/4$131
This CheapOair deal was found by Cheapflights users on 3/3. 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.
Thu 4/109:03 amSAT - PHL
1 stop21h 29mFrontier
Wed 4/168:27 amPHL - SAT
1 stop24h 46mFrontier
Deal found 3/3$160
This CheapOair deal was found by Cheapflights users on 3/4. 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 4/210:58 amSAT - PHL
1 stop9h 15mMultiple Airlines
Sat 4/58:00 amPHL - SAT
1 stop12h 12mMultiple Airlines
Deal found 3/4$193
This American Airlines deal was found by Cheapflights users on 3/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/512:19 pmSAT - PHL
Nonstop3h 40mAmerican Airlines
Sat 6/78:53 amPHL - SAT
Nonstop3h 46mAmerican Airlines
Deal found 3/4$272
This Delta deal was found by Cheapflights users on 3/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/26:22 pmSAT - PHL
1 stop5h 35mDelta
Sat 6/73:57 pmPHL - SAT
1 stop7h 21mDelta
Deal found 3/2$292
This Southwest deal was found by Cheapflights users on 3/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/125:50 amSAT - PHL
2 stops8h 30mSouthwest
Tue 4/156:45 pmPHL - SAT
1 stop5h 30mSouthwest
Deal found 3/4$297
This United Airlines deal was found by Cheapflights users on 3/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/262:10 pmSAT - PHL
1 stop6h 10mUnited Airlines
Thu 3/2711:50 amPHL - SAT
2 stops12h 13mUnited Airlines
Deal found 3/4$352

Find flights from San Antonio to Delaware within your budget

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 March 4, 2025.

Fly from

San Antonio

Fly to

Delaware

Route

Depart

Return

Price

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Tue 4/1

5:20 pm-6:17 pm

1 stop23h 57m

Philadelphia

Tue 4/8

6:34 pm-8:01 pm

1 stop26h 27m

$131

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Thu 4/10

9:03 am-7:32 am

1 stop21h 29m

Philadelphia

Wed 4/16

8:27 am-8:13 am

1 stop24h 46m

$160

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Wed 4/2

10:58 am-9:13 pm

1 stop9h 15m

Philadelphia

Sat 4/5

8:00 am-7:12 pm

1 stop12h 12m

$193

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Fri 4/4

2:57 pm-7:48 pm

Nonstop3h 51m

Philadelphia

Mon 4/7

8:20 am-11:29 am

Nonstop4h 09m

$272

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Mon 6/2

6:22 pm-12:57 am

1 stop5h 35m

Philadelphia

Sat 6/7

3:57 pm-10:18 pm

1 stop7h 21m

$292

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Sat 4/12

5:50 am-3:20 pm

2 stops8h 30m

Philadelphia

Tue 4/15

6:45 pm-11:15 pm

1 stop5h 30m

$297

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Wed 3/26

2:10 pm-9:20 pm

1 stop6h 10m

Philadelphia

Thu 3/27

11:50 am-11:03 pm

2 stops12h 13m

$352

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Fri 5/2

5:00 am-5:44 am

2 stops23h 44m

Philadelphia

Sun 5/4

7:04 am-8:55 pm

2 stops14h 51m

$1,063

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Tue 3/18

2:18 pm-5:15 am

1 stop13h 57m

$81

San AntonioPhiladelphia

SAT - PHL

SATPHL

San Antonio

Tue 5/6

8:56 pm-8:05 am

1 stop10h 09m

$88

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/4

Showing 1-10 of 14 results
1
2

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.

Travel insights for flights from San Antonio to Delaware

Get recent, data-driven insights about flights from San Antonio to Delaware including ideal travel times, pricing trends, and more.

Rainfall in Delaware by month

Plan your trip to Delaware by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Delaware ranges from 2.9 - 4.3 inches per month. July is typically the wettest month, when rainfall can reach 4.3 in. February is typically the driest time to visit Delaware when rainfall is around 2.9 in.

Temperature in Delaware by month

Plan your trip to Delaware by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Delaware, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Delaware

Get insights into the airlines that provide service to Delaware. 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 Delaware. Reviews last updated March 4, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from San Antonio to Delaware. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,330 reviews

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest
8.1
Very good
4,330 reviews
Southwest
8.1
Very good
4,330 reviews

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines
8.0
Very good
9,713 reviews
Southwest
8.1
Very good
4,330 reviews

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta
8.0
Very good
8,061 reviews
Southwest
8.1
Very good
4,330 reviews

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines
7.4
Good
8,678 reviews
Southwest
8.1
Very good
4,330 reviews

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,330 reviews

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $81. However, be on the lookout for offers from Spirit Airlines and Delta, as they are both options that can get you from San Antonio to Delaware for a low price.

  • 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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