$109 Cheap Flights from Carlsbad (CLD) to San Antonio (SAT)

View $109 flight on Sat, Oct 4, 2025Opens in a new window

Popular airlines from Carlsbad, CA (CLD-McClellan-Palomar) to San Antonio International Airport (SAT)

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Cheap Flights from Carlsbad to San Antonio (CLD-SAT)

Prices were available within the past 7 days and start at $109 for one-way flights and $217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Nov 12 - Tue, Nov 18
CLD
Carlsbad
SAT
San Antonio
$217 Roundtrip, just found
$217
Roundtrip
just found
Select American Airlines flight, departing Wed, Nov 12 from Carlsbad to San Antonio, returning Tue, Nov 18, priced at $217 just found
American Airlines
Wed, Aug 27 - Sun, Aug 31
CLD
Carlsbad
SAT
San Antonio
$222 Roundtrip, found 16 hours ago
$222
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Wed, Aug 27 from Carlsbad to San Antonio, returning Sun, Aug 31, priced at $222 found 16 hours ago
American Airlines
Sat, Aug 30 - Sat, Sep 6
CLD
Carlsbad
SAT
San Antonio
$222 Roundtrip, found 3 hours ago
$222
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sat, Aug 30 from Carlsbad to San Antonio, returning Sat, Sep 6, priced at $222 found 3 hours ago
American Airlines
Thu, Aug 21 - Wed, Aug 27
CLD
Carlsbad
SAT
San Antonio
$252 Roundtrip, just found
$252
Roundtrip
just found
Select American Airlines flight, departing Thu, Aug 21 from Carlsbad to San Antonio, returning Wed, Aug 27, priced at $252 just found
American Airlines
Fri, Aug 29 - Sat, Sep 6
CLD
Carlsbad
SAT
San Antonio
$253 Roundtrip, found 8 hours ago
$253
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Fri, Aug 29 from Carlsbad to San Antonio, returning Sat, Sep 6, priced at $253 found 8 hours ago
American Airlines
Fri, Oct 31 - Mon, Nov 3
CLD
Carlsbad
SAT
San Antonio
$257 Roundtrip, found 2 hours ago
$257
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Fri, Oct 31 from Carlsbad to San Antonio, returning Mon, Nov 3, priced at $257 found 2 hours ago
American Airlines
Fri, Aug 29 - Sun, Aug 31
CLD
Carlsbad
SAT
San Antonio
$258 Roundtrip, found 17 hours ago
$258
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Fri, Aug 29 from Carlsbad to San Antonio, returning Sun, Aug 31, priced at $258 found 17 hours ago
American Airlines
Thu, Oct 9 - Sat, Oct 11
CLD
Carlsbad
SAT
San Antonio
$260 Roundtrip, found 1 hour ago
$260
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Oct 9 from Carlsbad to San Antonio, returning Sat, Oct 11, priced at $260 found 1 hour ago
American Airlines
Sun, Sep 7 - Wed, Sep 10
CLD
Carlsbad
SAT
San Antonio
$262 Roundtrip, found 3 hours ago
$262
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sun, Sep 7 from Carlsbad to San Antonio, returning Wed, Sep 10, priced at $262 found 3 hours ago
American Airlines
Sat, Aug 30 - Sat, Sep 6
CLD
Carlsbad
SAT
San Antonio
$262 Roundtrip, found 2 days ago
$262
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Aug 30 from Carlsbad to San Antonio, returning Sat, Sep 6, priced at $262 found 2 days ago

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 $287
SAT
San Antonio Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $287
Flights from Carlsbad (CLD) to San Antonio (SAT)
Origin airport
McClellan-Palomar
Destination airport
San Antonio Intl.
Airlines serving
American Airlines
Roundtrip price
$216
Distance
1135 mi

Carlsbad to San Antonio Flights

The cheapest times to fly from Carlsbad 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 Carlsbad to San Antonio are during the month of November. You can find some of the cheapest flights from Carlsbad to San Antonio with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Carlsbad 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 Carlsbad 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 Carlsbad to San Antonio in 2025. You can also book with separate airlines for your outbound and return journeys, from $109 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 Carlsbad 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 Carlsbad 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.

 

Frequently asked questions

How much does a flight from McClellan-Palomar Airport (CLD) to San Antonio Intl. Airport (SAT) cost?
Discover the latest flight deals from CLD to SAT by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from CLD to SAT?
The cheapest flights from CLD to SAT are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from McClellan-Palomar Airport (CLD) to San Antonio Intl. Airport (SAT)?
While Carlsbad, CA (CLD-McClellan-Palomar) has no direct flights to San Antonio Intl. Airport (SAT), other airports have nonstop options. Jetting off from San Diego Intl. Airport (SAN) will get you to San Antonio without any detours.
What is the cheapest airline that flies from CLD to SAT?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from CLD to SAT. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from McClellan-Palomar Airport (CLD) to San Antonio Intl. Airport (SAT)?
You'll need to hop on a flight with a layover if you're traveling from McClellan-Palomar Airport (CLD) to San Antonio Intl. Airport (SAT). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from CLD 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 various factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from McClellan-Palomar Airport (CLD) to San Antonio Intl. Airport (SAT)?
To arrive at San Antonio Intl. Airport (SAT) without delays, opt for a flight that leaves from McClellan-Palomar Airport (CLD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 McClellan-Palomar Airport (CLD) to San Antonio Intl. Airport (SAT) last-minute?
Last-minute bookings from CLD to SAT are generally more expensive. To lock in the cheapest rates, start looking for flights ahead of time. That said, if you're flexible with your travel plans, you may land a cheap fare right before your trip.
Is it cheaper to book a CLD to SAT flight and hotel package?
Compared with arranging hotels and flights separately, booking a CLD to SAT flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the hassle out of travel planning. Just secure your flights and choose from our extensive range of stays, then personalize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from McClellan-Palomar Airport (CLD) to San Antonio Intl. Airport (SAT)?
It's usually possible to cancel or reschedule your CLD to SAT flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.