$1,776 Cheap Flights from Raleigh (RDU) to Carlsbad (CNM)

View $1,776 flight on Fri, Oct 24, 2025Opens in a new window

Popular airlines from Raleigh-Durham International Airport (RDU) to Carlsbad, NM (CNM-Cavern City Air Terminal)

Cheap Flights from Raleigh to Carlsbad (RDU-CNM)

Prices were available within the past 7 days and start at $1,776 for one-way flights and $1,414 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, Sep 1 - Fri, Sep 5
RDU
Raleigh
CNM
Carlsbad
$1,414 Roundtrip, found 3 hours ago
$1,414
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Mon, Sep 1 from Raleigh to Carlsbad, returning Fri, Sep 5, priced at $1,414 found 3 hours ago
Flights from Raleigh (RDU) to Carlsbad (CNM)
Origin airport
Raleigh - Durham Intl.
Destination airport
Cavern City Air Terminal
Roundtrip price
$1,414
Distance
1472 mi

Raleigh to Carlsbad Flights

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

 

The best time to book a flight from Raleigh to Carlsbad

Sunday is one of the best days to book for cheap flights from Raleigh 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 Raleigh 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 Raleigh to Carlsbad in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,776 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 Raleigh 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 Raleigh 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 Raleigh - Durham Intl. Airport (RDU) to Cavern City Air Terminal Airport (CNM) cost?
Get a cheap one-way flight from $1,776 or cheap return flight from $1,414 from Raleigh - Durham Intl. Airport (RDU) 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 deals on this route.
What is the cheapest month to fly from Raleigh - Durham Intl. Airport (RDU) to Cavern City Air Terminal Airport (CNM)?
The cheapest month to fly from RDU to CNM is September, when there's less demand. Off-peak months are typically when better flight deals are available between these airports.
What is the cheapest airline that flies from Raleigh - Durham Intl. Airport (RDU) to Cavern City Air Terminal Airport (CNM)?
To find the cheapest airline that'll fly you from RDU to CNM, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Raleigh - Durham Intl. Airport (RDU) to Cavern City Air Terminal Airport (CNM)?
There are no daily direct flights departing from Raleigh - Durham Intl. Airport (RDU) to Cavern City Air Terminal Airport (CNM). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from RDU to CNM?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Raleigh - Durham Intl. Airport (RDU) to Cavern City Air Terminal Airport (CNM)?
To touch down at Cavern City Air Terminal Airport (CNM) on time, choose a flight that takes off from Raleigh - Durham Intl. Airport (RDU) before 3 PM. The chance 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 Raleigh - Durham Intl. Airport (RDU) to Cavern City Air Terminal Airport (CNM) last-minute?
Last-minute fares from RDU to CNM are typically more expensive. To lock in the best prices, start looking for flights as early as possible. That said, if your travel plans are flexible, you may find a cheap ticket right before your journey.
Is it cheaper to book a RDU to CNM flight and hotel package?
Compared with arranging flights and hotels separately, booking a RDU to CNM flight and hotel package with Expedia could lead to significant savings. Better yet, having it all in one place will take the hassle out of travel planning. Just secure your flights and select from our extensive range of stays, then tailor your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Raleigh - Durham Intl. Airport (RDU) to Cavern City Air Terminal Airport (CNM)?
In most instances, you can cancel or modify your RDU to CNM flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want further details, visit our Customer Service portal.

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*Available to One Key members.