$693 Cheap Flights from Philadelphia (PHL) to Carlsbad (CNM)

View $693 flight on Tue, Oct 14, 2025Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Carlsbad, NM (CNM-Cavern City Air Terminal)

Cheap Flights from Philadelphia to Carlsbad (PHL-CNM)

Prices were available within the past 7 days and start at $693 for one-way flights and $1,900 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, Oct 6 - Thu, Oct 9
PHL
Philadelphia
CNM
Carlsbad
$1,900 Roundtrip, found 5 days ago
$1,900
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Mon, Oct 6 from Philadelphia to Carlsbad, returning Thu, Oct 9, priced at $1,900 found 5 days ago

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Cavern City Air Terminal Airport (CNM) cost?
Lock in a cheap one-way flight from $693 or cheap return flight from $1,900 from Philadelphia Intl. Airport (PHL) 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 offers on this route.
What is the cheapest month to fly from Philadelphia Intl. Airport (PHL) to Cavern City Air Terminal Airport (CNM)?
October is the least expensive month to fly from PHL to CNM. Traveling during an off-peak travel window is often the key to finding better deals on flights.
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to Cavern City Air Terminal Airport (CNM)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest PHL to CNM flight.
How many flights per day from Philadelphia Intl. Airport (PHL) to Cavern City Air Terminal Airport (CNM)?
There are no daily nonstop flights from Philadelphia Intl. Airport (PHL) to Cavern City Air Terminal Airport (CNM). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from PHL to CNM?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Cavern City Air Terminal Airport (CNM)?
Select a flight from Philadelphia Intl. Airport (PHL) to Cavern City Air Terminal Airport (CNM) that leaves before 3 PM to reduce the likelihood of delays. Departures after this hour are on average 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 Philadelphia Intl. Airport (PHL) to Cavern City Air Terminal Airport (CNM) last-minute?
Last-minute bookings from PHL to CNM are typically more expensive. To secure the cheapest rates, start searching for flights as early as possible. That being said, if you can play around with your travel dates, it's possible to find a cheap ticket right before your journey.
Is it cheaper to book a PHL to CNM flight and hotel package?
Securing a PHL to CNM flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our extensive range of stays and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Cavern City Air Terminal Airport (CNM)?
If you booked your PHL to CNM flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Cavern City Air Terminal
Roundtrip price
$1,899
Distance
1692 mi

Book with confidence

Book with confidence

Philadelphia to Carlsbad Flights

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

 

The best time to book a flight from Philadelphia to Carlsbad

Sunday is one of the best days to book for cheap flights from Philadelphia 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 Philadelphia 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 Philadelphia to Carlsbad in 2025. You can also book with separate airlines for your outbound and return journeys, from $693 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 Philadelphia 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 Philadelphia 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.

 

Philadelphia to Carlsbad Flights

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*Available to One Key members.