$375 Cheap Flights from Portland (PDX) to Carlsbad (CNM)

View $375 flight on Tue, Aug 19, 2025Opens in a new window

Popular airlines from Portland International Airport (PDX) to Carlsbad, NM (CNM-Cavern City Air Terminal)

Cheap Flights from Portland to Carlsbad (PDX-CNM)

Prices were available within the past 7 days and start at $375 for one-way flights and $669 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, Aug 25 - Tue, Aug 26
PDX
Portland
CNM
Carlsbad
$669 Roundtrip, found 4 days ago
$669
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Aug 25 from Portland to Carlsbad, returning Tue, Aug 26, priced at $669 found 4 days ago
Alaska Airlines
Mon, Aug 25 - Mon, Sep 1
PDX
Portland
CNM
Carlsbad
$674 Roundtrip, found 4 days ago
$674
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Aug 25 from Portland to Carlsbad, returning Mon, Sep 1, priced at $674 found 4 days ago
Alaska Airlines
Fri, Aug 22 - Sun, Aug 24
PDX
Portland
CNM
Carlsbad
$679 Roundtrip, found 6 days ago
$679
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Aug 22 from Portland to Carlsbad, returning Sun, Aug 24, priced at $679 found 6 days ago
Alaska Airlines
Fri, Aug 22 - Sun, Aug 24
PDX
Portland
CNM
Carlsbad
$704 Roundtrip, found 1 day ago
$704
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Aug 22 from Portland to Carlsbad, returning Sun, Aug 24, priced at $704 found 1 day ago
Alaska Airlines
Sun, Aug 24 - Thu, Aug 28
PDX
Portland
CNM
Carlsbad
$1,321 Roundtrip, found 10 hours ago
$1,321
Roundtrip
found 10 hours ago
Select Alaska Airlines flight, departing Sun, Aug 24 from Portland to Carlsbad, returning Thu, Aug 28, priced at $1,321 found 10 hours 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 $629
CNM
Cavern City Air Terminal
CheapestClosest
Average driving time to city center9 min
Flights from $629
Flights from Portland (PDX) to Carlsbad (CNM)
Origin airport
Portland Intl.
Destination airport
Cavern City Air Terminal
Roundtrip price
$669
Distance
1338 mi

Portland to Carlsbad Flights

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

 

The best time to book a flight from Portland to Carlsbad

Sunday is one of the best days to book for cheap flights from Portland 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 Portland 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 Portland to Carlsbad in 2025. You can also book with separate airlines for your outbound and return journeys, from $375 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 Portland 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 Portland 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 Portland Intl. Airport (PDX) to Cavern City Air Terminal Airport (CNM) cost?
Secure a cheap one-way flight from $375 or cheap return flight from $669 from Portland Intl. Airport (PDX) 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 Portland Intl. Airport (PDX) to Cavern City Air Terminal Airport (CNM)?
August is the most affordable month to fly from PDX to CNM. Planning your trip for the off-season is often the key to finding a great deal.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Cavern City Air Terminal Airport (CNM)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from PDX to CNM. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Portland Intl. Airport (PDX) to Cavern City Air Terminal Airport (CNM)?
You'll have to hop on a flight with a layover if you're traveling from Portland Intl. Airport (PDX) 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 find an option that works for you.
What day of the week has the most flights from PDX to CNM?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the season, airline 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 Portland Intl. Airport (PDX) to Cavern City Air Terminal Airport (CNM)?
Select a flight from Portland Intl. Airport (PDX) to Cavern City Air Terminal Airport (CNM) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**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 Portland Intl. Airport (PDX) to Cavern City Air Terminal Airport (CNM) last-minute?
Last-minute fares from PDX to CNM are generally more expensive. To secure the lowest prices, start searching for flights as early as possible. That said, if you can play around with your travel dates, you may score a cheap fare right before your journey.
Is it cheaper to book a PDX to CNM flight and hotel package?
Compared with arranging hotels and flights separately, booking a PDX to CNM flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place will take the stress out of travel planning. Just pick your flights and choose from our extensive range of stays, then customize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Cavern City Air Terminal Airport (CNM)?
In most cases, you can modify or cancel your PDX to CNM flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you want further details, visit our Customer Service portal.

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*Available to One Key members.