$121 Cheap Flights from Idaho Falls (IDA) to Carlsbad (CLD)

View $121 flight on Tue, Dec 23, 2025Opens in a new window

Popular airlines from Idaho Falls Regional Airport (IDA) to Carlsbad, CA (CLD-McClellan-Palomar)

Cheap Flights from Idaho Falls to Carlsbad (IDA-CLD)

Prices were available within the past 7 days and start at $121 for one-way flights and $241 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Dec 23 - Tue, Dec 30
IDA
Idaho Falls
CLD
Carlsbad
$241 Roundtrip, found 7 hours ago
$241
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Tue, Dec 23 from Idaho Falls to Carlsbad, returning Tue, Dec 30, priced at $241 found 7 hours ago
American Airlines
Fri, Sep 12 - Mon, Sep 15
IDA
Idaho Falls
CLD
Carlsbad
$251 Roundtrip, found 3 hours ago
$251
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Fri, Sep 12 from Idaho Falls to Carlsbad, returning Mon, Sep 15, priced at $251 found 3 hours ago
American Airlines
Thu, Jan 15 - Fri, Jan 16
IDA
Idaho Falls
CLD
Carlsbad
$265 Roundtrip, found 10 hours ago
$265
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Thu, Jan 15 from Idaho Falls to Carlsbad, returning Fri, Jan 16, priced at $265 found 10 hours ago
American Airlines
Sat, Aug 30 - Sun, Sep 7
IDA
Idaho Falls
CLD
Carlsbad
$270 Roundtrip, found 1 day ago
$270
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Aug 30 from Idaho Falls to Carlsbad, returning Sun, Sep 7, priced at $270 found 1 day ago
American Airlines
Wed, Oct 8 - Wed, Oct 15
IDA
Idaho Falls
CLD
Carlsbad
$301 Roundtrip, found 3 days ago
$301
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Oct 8 from Idaho Falls to Carlsbad, returning Wed, Oct 15, priced at $301 found 3 days ago
American Airlines
Tue, Dec 23 - Tue, Dec 30
IDA
Idaho Falls
CLD
Carlsbad
$311 Roundtrip, found 7 hours ago
$311
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Tue, Dec 23 from Idaho Falls to Carlsbad, returning Tue, Dec 30, priced at $311 found 7 hours ago
American Airlines
Fri, Sep 12 - Mon, Sep 15
IDA
Idaho Falls
CLD
Carlsbad
$321 Roundtrip, found 3 hours ago
$321
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Fri, Sep 12 from Idaho Falls to Carlsbad, returning Mon, Sep 15, priced at $321 found 3 hours ago
American Airlines
Wed, Aug 20 - Sat, Aug 23
IDA
Idaho Falls
CLD
Carlsbad
$322 Roundtrip, found 5 days ago
$322
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Aug 20 from Idaho Falls to Carlsbad, returning Sat, Aug 23, priced at $322 found 5 days ago
American Airlines
Thu, Jan 15 - Fri, Jan 16
IDA
Idaho Falls
CLD
Carlsbad
$335 Roundtrip, found 10 hours ago
$335
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Thu, Jan 15 from Idaho Falls to Carlsbad, returning Fri, Jan 16, priced at $335 found 10 hours ago
American Airlines
Fri, Nov 14 - Sun, Nov 23
IDA
Idaho Falls
CLD
Carlsbad
$339 Roundtrip, found 4 days ago
$339
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Nov 14 from Idaho Falls to Carlsbad, returning Sun, Nov 23, priced at $339 found 4 days ago

Alternative airports near Carlsbad

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Diego Intl. SAN. Cheapest option available. Average driving time to city center is 38 minutes. Flights from $354
SAN
San Diego Intl.
Cheapest
Average driving time to city center38 min
Flights from $354
Flights from Idaho Falls (IDA) to Carlsbad (CLD)
Origin airport
Idaho Falls Regional
Destination airport
McClellan-Palomar
Airlines serving
American Airlines
Roundtrip price
$240
Distance
770 mi

Idaho Falls to Carlsbad Flights

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

 

The best time to book a flight from Idaho Falls to Carlsbad

Sunday is one of the best days to book for cheap flights from Idaho Falls 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 Idaho Falls 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 Idaho Falls to Carlsbad in 2025. You can also book with separate airlines for your outbound and return journeys, from $121 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 Idaho Falls 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 Idaho Falls 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 Idaho Falls Regional Airport (IDA) to McClellan-Palomar Airport (CLD) cost?
Discover the latest flight deals from IDA to CLD by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from IDA to CLD?
The cheapest flights from IDA to CLD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from IDA to CLD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from IDA to CLD. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Idaho Falls Regional Airport (IDA) to McClellan-Palomar Airport (CLD)?
There aren't any daily nonstop flights from Idaho Falls Regional Airport (IDA) to McClellan-Palomar Airport (CLD). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from IDA to CLD?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can vary depending on the time of year, carrier 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 Idaho Falls Regional Airport (IDA) to McClellan-Palomar Airport (CLD)?
Opt for a flight from Idaho Falls Regional Airport (IDA) to McClellan-Palomar Airport (CLD) that takes off before 3 PM to reduce the risk of cancellations. Later departures 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.
What airports do you fly into for Carlsbad from Idaho Falls Regional Airport (IDA)?
Check out your flight options from Idaho Falls Regional Airport (IDA) to John Wayne Airport (SNA). This is the only airport in Carlsbad you can jet into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Idaho Falls Regional Airport (IDA) to McClellan-Palomar Airport (CLD) last-minute?
Booking your ticket from IDA to CLD just before your journey is usually more expensive. But if you're flexible with your itinerary, you could bag a cheap last-minute fare.
Is it cheaper to book an IDA to CLD flight and hotel package?
You'll generally save money by securing an IDA to CLD flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've selected your preferred flights and accommodations, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Idaho Falls Regional Airport (IDA) to McClellan-Palomar Airport (CLD)?
It's usually possible to reschedule or cancel your IDA to CLD flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.