$630 Cheap Flights from San Antonio (SAT) to Carlsbad (CNM)

View $630 flight on Thu, Feb 19, 2026Opens in a new window

Popular airlines from San Antonio International Airport (SAT) to Carlsbad, NM (CNM-Cavern City Air Terminal)

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

Prices were available within the past 7 days and start at $630 for one-way flights and $805 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, Nov 24 - Sat, Dec 13
SAT
San Antonio
CNM
Carlsbad
$805 Roundtrip, found 6 days ago
$805
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Mon, Nov 24 from San Antonio to Carlsbad, returning Sat, Dec 13, priced at $805 found 6 days ago
Alaska Airlines
Sun, Nov 23 - Sat, Dec 13
SAT
San Antonio
CNM
Carlsbad
$814 Roundtrip, found 6 days ago
$814
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sun, Nov 23 from San Antonio to Carlsbad, returning Sat, Dec 13, priced at $814 found 6 days ago
Alaska Airlines
Fri, Nov 21 - Sat, Dec 6
SAT
San Antonio
CNM
Carlsbad
$825 Roundtrip, found 6 days ago
$825
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Nov 21 from San Antonio to Carlsbad, returning Sat, Dec 6, priced at $825 found 6 days ago
Alaska Airlines
Wed, Dec 24 - Tue, Jan 6
SAT
San Antonio
CNM
Carlsbad
$845 Roundtrip, found 6 days ago
$845
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, Dec 24 from San Antonio to Carlsbad, returning Tue, Jan 6, priced at $845 found 6 days ago
Alaska Airlines
Mon, Nov 17 - Thu, Dec 4
SAT
San Antonio
CNM
Carlsbad
$849 Roundtrip, found 6 days ago
$849
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Mon, Nov 17 from San Antonio to Carlsbad, returning Thu, Dec 4, priced at $849 found 6 days ago
Alaska Airlines
Sat, Nov 22 - Sat, Dec 13
SAT
San Antonio
CNM
Carlsbad
$854 Roundtrip, found 6 days ago
$854
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Nov 22 from San Antonio to Carlsbad, returning Sat, Dec 13, priced at $854 found 6 days ago
Alaska Airlines
Sun, Nov 16 - Thu, Dec 4
SAT
San Antonio
CNM
Carlsbad
$859 Roundtrip, found 6 days ago
$859
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sun, Nov 16 from San Antonio to Carlsbad, returning Thu, Dec 4, priced at $859 found 6 days ago
Alaska Airlines
Thu, Jan 1 - Sun, Jan 11
SAT
San Antonio
CNM
Carlsbad
$864 Roundtrip, found 6 days ago
$864
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Thu, Jan 1 from San Antonio to Carlsbad, returning Sun, Jan 11, priced at $864 found 6 days ago
Alaska Airlines
Fri, Nov 21 - Thu, Dec 4
SAT
San Antonio
CNM
Carlsbad
$869 Roundtrip, found 6 days ago
$869
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Nov 21 from San Antonio to Carlsbad, returning Thu, Dec 4, priced at $869 found 6 days ago
Alaska Airlines
Thu, Dec 25 - Sun, Jan 4
SAT
San Antonio
CNM
Carlsbad
$875 Roundtrip, found 6 days ago
$875
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Thu, Dec 25 from San Antonio to Carlsbad, returning Sun, Jan 4, priced at $875 found 6 days ago

Alternative airports near Carlsbad

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

Select flight to Cavern City Air Terminal CNM. Cheapest and Closest option available. Average driving time to city center is 9 minutes. Flights from $909
CNM
Cavern City Air Terminal
CheapestClosest
Average driving time to city center9 min
Flights from $909

Frequently asked questions

How much does a flight from San Antonio Intl. Airport (SAT) to Cavern City Air Terminal Airport (CNM) cost?
Get a cheap one-way flight from $630 or cheap return flight from $805 from San Antonio Intl. Airport (SAT) to Cavern City Air Terminal Airport (CNM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from San Antonio Intl. Airport (SAT) to Cavern City Air Terminal Airport (CNM)?
Planning your getaway for November may help you find better deals, as it's the cheapest month for flights between SAT and CNM. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from San Antonio Intl. Airport (SAT) to Cavern City Air Terminal Airport (CNM)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SAT to CNM flight.
How many flights per day from San Antonio Intl. Airport (SAT) to Cavern City Air Terminal Airport (CNM)?
You'll need to book a flight with a layover if you're traveling from San Antonio Intl. Airport (SAT) to Cavern City Air Terminal Airport (CNM). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from SAT to CNM?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on a range of factors, such as 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 San Antonio Intl. Airport (SAT) to Cavern City Air Terminal Airport (CNM)?
To avoid possible delays on the San Antonio Intl. Airport (SAT) to Cavern City Air Terminal Airport (CNM) route, aim to travel before 3 PM. Departures after this time 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 San Antonio Intl. Airport (SAT) to Cavern City Air Terminal Airport (CNM) last-minute?
Booking your plane ticket from SAT to CNM right before your trip is generally more expensive. But if there's some wiggle room with your travel dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a SAT to CNM flight and hotel package?
Opting for a SAT to CNM flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our impressive range of stays and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Antonio Intl. Airport (SAT) to Cavern City Air Terminal Airport (CNM)?
In most cases, you can cancel or modify your SAT to CNM flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you need more details, visit our Customer Service portal.

Travel information

Origin airport
San Antonio Intl.
Destination airport
Cavern City Air Terminal
Roundtrip price
$804
Distance
393 mi

Book with confidence

San Antonio to Carlsbad Flights

The cheapest times to fly from San Antonio to Carlsbad

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

 

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

Sunday is one of the best days to book for cheap flights from San Antonio to Carlsbad: 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 San Antonio to Carlsbad

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 San Antonio to Carlsbad in 2025. You can also book with separate airlines for your outbound and return journeys, from $630 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 San Antonio to Carlsbad 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 San Antonio to Carlsbad 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.

 

San Antonio to Carlsbad Flights

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*Available to One Key members.