$598 Cheap Flights from Ontario (ONT) to Carlsbad (CNM)

View $598 flight on Mon, Nov 17, 2025Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Carlsbad, NM (CNM-Cavern City Air Terminal)

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Cheap Flights from Ontario to Carlsbad (ONT-CNM)

Prices were available within the past 7 days and start at $598 for one-way flights and $641 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Jan 6 - Sat, Jan 17
ONT
Ontario
CNM
Carlsbad
$641 Roundtrip, found 5 days ago
$641
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Jan 6 from Ontario to Carlsbad, returning Sat, Jan 17, priced at $641 found 5 days ago
Alaska Airlines
Tue, Jan 6 - Fri, Jan 23
ONT
Ontario
CNM
Carlsbad
$647 Roundtrip, found 5 days ago
$647
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Jan 6 from Ontario to Carlsbad, returning Fri, Jan 23, priced at $647 found 5 days ago
Alaska Airlines
Tue, Jan 6 - Sat, Jan 17
ONT
Ontario
CNM
Carlsbad
$661 Roundtrip, just found
$661
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Jan 6 from Ontario to Carlsbad, returning Sat, Jan 17, priced at $661 just found
Alaska Airlines
Tue, Dec 9 - Sat, Dec 13
ONT
Ontario
CNM
Carlsbad
$667 Roundtrip, found 19 hours ago
$667
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Tue, Dec 9 from Ontario to Carlsbad, returning Sat, Dec 13, priced at $667 found 19 hours ago
Alaska Airlines
Tue, Jan 6 - Fri, Jan 23
ONT
Ontario
CNM
Carlsbad
$677 Roundtrip, just found
$677
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Jan 6 from Ontario to Carlsbad, returning Fri, Jan 23, priced at $677 just found
Alaska Airlines
Tue, Dec 9 - Tue, Dec 16
ONT
Ontario
CNM
Carlsbad
$686 Roundtrip, found 19 hours ago
$686
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Tue, Dec 9 from Ontario to Carlsbad, returning Tue, Dec 16, priced at $686 found 19 hours ago
Alaska Airlines
Tue, Jan 6 - Sat, Jan 17
ONT
Ontario
CNM
Carlsbad
$696 Roundtrip, just found
$696
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Jan 6 from Ontario to Carlsbad, returning Sat, Jan 17, priced at $696 just found
Alaska Airlines
Thu, Dec 11 - Tue, Dec 16
ONT
Ontario
CNM
Carlsbad
$697 Roundtrip, found 19 hours ago
$697
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Thu, Dec 11 from Ontario to Carlsbad, returning Tue, Dec 16, priced at $697 found 19 hours ago
Alaska Airlines
Tue, Jan 6 - Fri, Jan 23
ONT
Ontario
CNM
Carlsbad
$706 Roundtrip, just found
$706
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Jan 6 from Ontario to Carlsbad, returning Fri, Jan 23, priced at $706 just found
Alaska Airlines
Tue, Jan 6 - Sat, Jan 17
ONT
Ontario
CNM
Carlsbad
$762 Roundtrip, just found
$762
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Jan 6 from Ontario to Carlsbad, returning Sat, Jan 17, priced at $762 just found

Frequently asked questions

How much does a flight from Los Angeles - Ontario Intl. Airport (ONT) to Cavern City Air Terminal Airport (CNM) cost?
Secure a cheap one-way flight from $598 or cheap return flight from $641 from Los Angeles - Ontario Intl. Airport (ONT) 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 Los Angeles - Ontario Intl. Airport (ONT) to Cavern City Air Terminal Airport (CNM)?
The cheapest month to fly from ONT to CNM is January, when there's less demand. Off-peak season is usually when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Los Angeles - Ontario Intl. Airport (ONT) 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. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest ONT to CNM flight.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to Cavern City Air Terminal Airport (CNM)?
You'll have to catch a flight with a layover when traveling from Los Angeles - Ontario Intl. Airport (ONT) 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 more stops to find the best option for your trip.
What day of the week has the most flights from ONT to CNM?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Los Angeles - Ontario Intl. Airport (ONT) to Cavern City Air Terminal Airport (CNM)?
To avoid possible delays on the Los Angeles - Ontario Intl. Airport (ONT) to Cavern City Air Terminal Airport (CNM) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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 Los Angeles - Ontario Intl. Airport (ONT) to Cavern City Air Terminal Airport (CNM) last-minute?
Booking your flight from ONT to CNM right before your trip is generally more expensive. But if there's some wiggle room with your travel times and dates, you could land a cheap last-minute fare.
Is it cheaper to book an ONT to CNM flight and hotel package?
Compared with arranging flights and hotels separately, booking an ONT to CNM flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the stress out of planning your trip. Just secure your flights and select from our extensive range of hotels, then customize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Los Angeles - Ontario Intl. Airport (ONT) to Cavern City Air Terminal Airport (CNM)?
If you reserved your ONT to CNM flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Origin airport
Los Angeles - Ontario Intl.
Destination airport
Cavern City Air Terminal
Roundtrip price
$640
Distance
779 mi

Book with confidence

Ontario to Carlsbad Flights

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

 

The best time to book a flight from Ontario to Carlsbad

Sunday is one of the best days to book for cheap flights from Ontario 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 Ontario 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 Ontario to Carlsbad in 2025. You can also book with separate airlines for your outbound and return journeys, from $598 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 Ontario 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 Ontario 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.

 

Ontario to Carlsbad Flights

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