$463 Cheap Flights from Austin (AUS) to Carlsbad (CNM)

View $463 flight on Tue, Aug 26, 2025Opens in a new window

Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to Carlsbad, NM (CNM-Cavern City Air Terminal)

Cheap Flights from Austin to Carlsbad (AUS-CNM)

Prices were available within the past 7 days and start at $463 for one-way flights and $744 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Sep 23 - Tue, Sep 30
AUS
Austin
CNM
Carlsbad
$744 Roundtrip, found 6 days ago
$744
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Sep 23 from Austin to Carlsbad, returning Tue, Sep 30, priced at $744 found 6 days ago
Alaska Airlines
Mon, Sep 22 - Tue, Sep 30
AUS
Austin
CNM
Carlsbad
$766 Roundtrip, found 6 days ago
$766
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Mon, Sep 22 from Austin to Carlsbad, returning Tue, Sep 30, priced at $766 found 6 days ago
Alaska Airlines
Fri, Sep 26 - Tue, Sep 30
AUS
Austin
CNM
Carlsbad
$773 Roundtrip, found 6 days ago
$773
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Sep 26 from Austin to Carlsbad, returning Tue, Sep 30, priced at $773 found 6 days ago
Alaska Airlines
Tue, Sep 23 - Mon, Sep 29
AUS
Austin
CNM
Carlsbad
$829 Roundtrip, found 6 days ago
$829
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Sep 23 from Austin to Carlsbad, returning Mon, Sep 29, priced at $829 found 6 days ago
Alaska Airlines
Tue, Aug 26 - Tue, Sep 9
AUS
Austin
CNM
Carlsbad
$839 Roundtrip, found 5 days ago
$839
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Aug 26 from Austin to Carlsbad, returning Tue, Sep 9, priced at $839 found 5 days ago
Alaska Airlines
Tue, Aug 26 - Fri, Sep 5
AUS
Austin
CNM
Carlsbad
$863 Roundtrip, found 4 days ago
$863
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Aug 26 from Austin to Carlsbad, returning Fri, Sep 5, priced at $863 found 4 days ago
Alaska Airlines
Mon, Aug 25 - Tue, Sep 9
AUS
Austin
CNM
Carlsbad
$873 Roundtrip, found 5 days ago
$873
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Mon, Aug 25 from Austin to Carlsbad, returning Tue, Sep 9, priced at $873 found 5 days ago
Alaska Airlines
Mon, Aug 25 - Fri, Sep 5
AUS
Austin
CNM
Carlsbad
$898 Roundtrip, found 4 days ago
$898
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Aug 25 from Austin to Carlsbad, returning Fri, Sep 5, priced at $898 found 4 days ago
Alaska Airlines
Tue, Aug 26 - Fri, Aug 29
AUS
Austin
CNM
Carlsbad
$914 Roundtrip, found 5 days ago
$914
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Aug 26 from Austin to Carlsbad, returning Fri, Aug 29, priced at $914 found 5 days ago
Alaska Airlines
Tue, Aug 26 - Sun, Sep 7
AUS
Austin
CNM
Carlsbad
$924 Roundtrip, found 5 days ago
$924
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Aug 26 from Austin to Carlsbad, returning Sun, Sep 7, priced at $924 found 5 days ago
Alaska Airlines
Mon, Aug 25 - Thu, Sep 4
AUS
Austin
CNM
Carlsbad
$933 Roundtrip, found 4 days ago
$933
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Aug 25 from Austin to Carlsbad, returning Thu, Sep 4, priced at $933 found 4 days ago
Flights from Austin (AUS) to Carlsbad (CNM)
Origin airport
Austin-Bergstrom Intl.
Destination airport
Cavern City Air Terminal
Roundtrip price
$743
Distance
415 mi

Austin to Carlsbad Flights

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

 

The best time to book a flight from Austin to Carlsbad

Sunday is one of the best days to book for cheap flights from Austin 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 Austin 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 Austin to Carlsbad in 2025. You can also book with separate airlines for your outbound and return journeys, from $463 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 Austin 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 Austin 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.

 

Frequently asked questions

How much does a flight from Austin-Bergstrom Intl. Airport (AUS) to Cavern City Air Terminal Airport (CNM) cost?
Snag a cheap one-way flight from $463 or cheap return flight from $744 from Austin-Bergstrom Intl. Airport (AUS) to Cavern City Air Terminal Airport (CNM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Austin-Bergstrom Intl. Airport (AUS) to Cavern City Air Terminal Airport (CNM)?
September is the least expensive month to fly from AUS to CNM. Traveling outside of peak seasons is often the key to finding better fares.
What is the cheapest airline that flies from Austin-Bergstrom Intl. Airport (AUS) to Cavern City Air Terminal Airport (CNM)?
To find the cheapest airline that'll fly you from AUS to CNM, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Austin-Bergstrom Intl. Airport (AUS) to Cavern City Air Terminal Airport (CNM)?
There are no daily direct flights departing from Austin-Bergstrom Intl. Airport (AUS) to Cavern City Air Terminal Airport (CNM). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from AUS to CNM?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on a number of factors, including the airline 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 Austin-Bergstrom Intl. Airport (AUS) to Cavern City Air Terminal Airport (CNM)?
To land at Cavern City Air Terminal Airport (CNM) on schedule, choose a flight that takes off from Austin-Bergstrom Intl. Airport (AUS) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Austin-Bergstrom Intl. Airport (AUS) to Cavern City Air Terminal Airport (CNM) last-minute?
Waiting until right before your break to book a flight from AUS to CNM generally means paying more. While you may come across some last-minute discounts, they're not always guaranteed. Keep your travel schedule open for a better chance of getting a bargain.
Is it cheaper to book an AUS to CNM flight and hotel package?
Booking an AUS to CNM flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our impressive range of stays and then add activities, car rentals 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 Austin-Bergstrom Intl. Airport (AUS) to Cavern City Air Terminal Airport (CNM)?
In most cases, you're able to reschedule or cancel your AUS to CNM flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need more details, visit our Customer Service portal.

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*Available to One Key members.