$340 Cheap Flights from Seattle (SEA) to Carlsbad (CNM)

View $340 flight on Sat, Oct 18, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Carlsbad, NM (CNM-Cavern City Air Terminal)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Seattle to Carlsbad (SEA-CNM)

Prices were available within the past 7 days and start at $340 for one-way flights and $483 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Oct 29 - Sat, Nov 15
SEA
Seattle
CNM
Carlsbad
$483 Roundtrip, found 4 days ago
$483
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Oct 29 from Seattle to Carlsbad, returning Sat, Nov 15, priced at $483 found 4 days ago
Alaska Airlines
Wed, Oct 29 - Fri, Nov 21
SEA
Seattle
CNM
Carlsbad
$489 Roundtrip, found 4 days ago
$489
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Oct 29 from Seattle to Carlsbad, returning Fri, Nov 21, priced at $489 found 4 days ago
Alaska Airlines
Mon, Nov 3 - Sat, Nov 15
SEA
Seattle
CNM
Carlsbad
$493 Roundtrip, found 4 days ago
$493
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Nov 3 from Seattle to Carlsbad, returning Sat, Nov 15, priced at $493 found 4 days ago
Alaska Airlines
Mon, Nov 3 - Fri, Nov 21
SEA
Seattle
CNM
Carlsbad
$499 Roundtrip, found 4 days ago
$499
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Nov 3 from Seattle to Carlsbad, returning Fri, Nov 21, priced at $499 found 4 days ago
Alaska Airlines
Mon, Nov 3 - Sun, Nov 16
SEA
Seattle
CNM
Carlsbad
$504 Roundtrip, found 4 days ago
$504
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Nov 3 from Seattle to Carlsbad, returning Sun, Nov 16, priced at $504 found 4 days ago
Alaska Airlines
Mon, Nov 3 - Thu, Nov 20
SEA
Seattle
CNM
Carlsbad
$509 Roundtrip, found 4 days ago
$509
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Nov 3 from Seattle to Carlsbad, returning Thu, Nov 20, priced at $509 found 4 days ago
Alaska Airlines
Tue, Feb 10 - Thu, Feb 12
SEA
Seattle
CNM
Carlsbad
$523 Roundtrip, found 5 days ago
$523
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Feb 10 from Seattle to Carlsbad, returning Thu, Feb 12, priced at $523 found 5 days ago
Alaska Airlines
Tue, Dec 2 - Tue, Dec 16
SEA
Seattle
CNM
Carlsbad
$528 Roundtrip, found 4 days ago
$528
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Dec 2 from Seattle to Carlsbad, returning Tue, Dec 16, priced at $528 found 4 days ago
Alaska Airlines
Mon, Feb 9 - Thu, Feb 12
SEA
Seattle
CNM
Carlsbad
$533 Roundtrip, found 5 days ago
$533
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Mon, Feb 9 from Seattle to Carlsbad, returning Thu, Feb 12, priced at $533 found 5 days ago
Alaska Airlines
Tue, Dec 2 - Mon, Dec 15
SEA
Seattle
CNM
Carlsbad
$534 Roundtrip, found 4 days ago
$534
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Dec 2 from Seattle to Carlsbad, returning Mon, Dec 15, priced at $534 found 4 days ago

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Cavern City Air Terminal Airport (CNM) cost?
Grab a cheap one-way flight from $340 or cheap return flight from $483 from Seattle - Tacoma Intl. Airport (SEA) 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 deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Cavern City Air Terminal Airport (CNM)?
Flying in October is a great way to save, as it's the cheapest month for flights between SEA and CNM. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Cavern City Air Terminal Airport (CNM)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from SEA to CNM. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Cavern City Air Terminal Airport (CNM)?
Nonstop flights from Seattle - Tacoma Intl. Airport (SEA) to Cavern City Air Terminal Airport (CNM) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SEA to CNM?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on various factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Cavern City Air Terminal Airport (CNM)?
Opt for a flight from Seattle - Tacoma Intl. Airport (SEA) to Cavern City Air Terminal Airport (CNM) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this 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 Seattle - Tacoma Intl. Airport (SEA) to Cavern City Air Terminal Airport (CNM) last-minute?
Booking your plane ticket from SEA to CNM right before your trip is typically more expensive. But if you're flexible with your departure times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a SEA to CNM flight and hotel package?
Compared with arranging flights and hotels separately, booking a SEA to CNM flight and hotel package with Expedia could result in significant savings. Better still, having everything in one easy place takes the hassle out of travel planning. Just secure your flights and choose from our extensive range of stays, then personalize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Cavern City Air Terminal Airport (CNM)?
In most instances, you're able to reschedule or cancel your SEA to CNM flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you want further details, visit our Customer Service portal.

Travel information

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Cavern City Air Terminal
Roundtrip price
$483
Distance
1408 mi

Book with confidence

Book with confidence

Seattle to Carlsbad Flights

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

 

The best time to book a flight from Seattle to Carlsbad

Sunday is one of the best days to book for cheap flights from Seattle 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 Seattle 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 Seattle to Carlsbad in 2025. You can also book with separate airlines for your outbound and return journeys, from $340 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 Seattle 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 Seattle 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.

 

Seattle to Carlsbad Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.