$223 Cheap Flights from Wilmington (ILM) to San Antonio (SAT)

View $223 flight on Tue, Jan 6, 2026Opens in a new window

Popular airlines from Wilmington Intl. Airport (ILM) to San Antonio International Airport (SAT)

Cheap Flights from Wilmington to San Antonio (ILM-SAT)

Prices were available within the past 7 days and start at $223 for one-way flights and $197 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Dec 3 - Tue, Dec 9
ILM
Wilmington
SAT
San Antonio
$197 Roundtrip, found 2 hours ago
$197
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Dec 3 from Wilmington to San Antonio, returning Tue, Dec 9, priced at $197 found 2 hours ago
American Airlines
Wed, Dec 10 - Sat, Dec 13
ILM
Wilmington
SAT
San Antonio
$202 Roundtrip, found 5 days ago
$202
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Dec 10 from Wilmington to San Antonio, returning Sat, Dec 13, priced at $202 found 5 days ago
American Airlines
Fri, Jan 9 - Sat, Jan 10
ILM
Wilmington
SAT
San Antonio
$228 Roundtrip, found 1 day ago
$228
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Jan 9 from Wilmington to San Antonio, returning Sat, Jan 10, priced at $228 found 1 day ago
American Airlines
Wed, Dec 3 - Sun, Dec 7
ILM
Wilmington
SAT
San Antonio
$233 Roundtrip, found 2 hours ago
$233
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Dec 3 from Wilmington to San Antonio, returning Sun, Dec 7, priced at $233 found 2 hours ago
American Airlines
Tue, Nov 18 - Tue, Dec 9
ILM
Wilmington
SAT
San Antonio
$253 Roundtrip, found 3 days ago
$253
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Nov 18 from Wilmington to San Antonio, returning Tue, Dec 9, priced at $253 found 3 days ago
Delta
Wed, Dec 3 - Tue, Dec 9
ILM
Wilmington
SAT
San Antonio
$257 Roundtrip, found 2 hours ago
$257
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Dec 3 from Wilmington to San Antonio, returning Tue, Dec 9, priced at $257 found 2 hours ago
American Airlines
Fri, Jan 9 - Sun, Jan 11
ILM
Wilmington
SAT
San Antonio
$259 Roundtrip, found 1 day ago
$259
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Jan 9 from Wilmington to San Antonio, returning Sun, Jan 11, priced at $259 found 1 day ago
Delta
Wed, Dec 3 - Sun, Dec 7
ILM
Wilmington
SAT
San Antonio
$263 Roundtrip, found 2 hours ago
$263
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Dec 3 from Wilmington to San Antonio, returning Sun, Dec 7, priced at $263 found 2 hours ago
American Airlines
Wed, Dec 3 - Tue, Dec 9
ILM
Wilmington
SAT
San Antonio
$265 Roundtrip, found 2 hours ago
$265
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Dec 3 from Wilmington to San Antonio, returning Tue, Dec 9, priced at $265 found 2 hours ago
United
Wed, Nov 12 - Wed, Nov 19
ILM
Wilmington
SAT
San Antonio
$294 Roundtrip, found 3 days ago
$294
Roundtrip
found 3 days ago
Select United flight, departing Wed, Nov 12 from Wilmington to San Antonio, returning Wed, Nov 19, priced at $294 found 3 days ago

Find the cheapest month to fly from Wilmington (ILM) to San Antonio (SAT)

August is typically the cheapest month to fly

From $196 - $473 per traveler.

Alternative airports near San Antonio

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Antonio Intl. SAT. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $309
SAT
San Antonio Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $309

Frequently asked questions

How much does a flight from Wilmington Intl. Airport (ILM) to San Antonio Intl. Airport (SAT) cost?
Secure a cheap one-way flight from $223 or cheap return flight from $197 from Wilmington Intl. Airport (ILM) to San Antonio Intl. Airport (SAT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Wilmington Intl. Airport (ILM) to San Antonio Intl. Airport (SAT)?
The cheapest month to fly from ILM to SAT is December, when demand is low. Off-peak season is usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from Wilmington Intl. Airport (ILM) to San Antonio Intl. Airport (SAT)?
To find the cheapest airline flying from ILM to SAT, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Wilmington Intl. Airport (ILM) to San Antonio Intl. Airport (SAT)?
There are no daily nonstop flights available from Wilmington Intl. Airport (ILM) to San Antonio Intl. Airport (SAT). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from ILM to SAT?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on a range of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Wilmington Intl. Airport (ILM) to San Antonio Intl. Airport (SAT)?
To avoid potential delays on the Wilmington Intl. Airport (ILM) to San Antonio Intl. Airport (SAT) route, aim to travel before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Wilmington Intl. Airport (ILM) to San Antonio Intl. Airport (SAT) last-minute?
Last-minute fares from ILM to SAT are usually more expensive. To lock in the cheapest rates, start looking for flights ahead of time. That being said, if you're flexible with your travel dates, it's possible to find a cheap fare just before your departure.
Is it cheaper to book an ILM to SAT flight and hotel package?
You'll typically save money by booking an ILM to SAT flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After selecting your ideal flights and accommodations, consider adding extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Wilmington Intl. Airport (ILM) to San Antonio Intl. Airport (SAT)?
In most instances, you can cancel or reschedule your ILM to SAT flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like further details, head to our Customer Service portal.

Travel information

Origin airport
Wilmington Intl.
Destination airport
San Antonio Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$196
Distance
1247 mi

Book with confidence

Wilmington to San Antonio Flights

The cheapest times to fly from Wilmington to San Antonio

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Wilmington to San Antonio are during the month of December. You can find some of the cheapest flights from Wilmington to San Antonio with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Wilmington to San Antonio

Sunday is one of the best days to book for cheap flights from Wilmington to San Antonio: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Wilmington to San Antonio

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Wilmington to San Antonio in 2025. You can also book with separate airlines for your outbound and return journeys, from $223 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Wilmington to San Antonio flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Wilmington to San Antonio airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Wilmington to San Antonio Flights

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*Available to One Key members.