$129 Cheap Flights from Louisville (SDF) to Carlsbad (CLD)

View $129 flight on Wed, Dec 31, 2025Opens in a new window

Popular airlines from Louisville Intl. Airport (SDF) to Carlsbad, CA (CLD-McClellan-Palomar)

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Cheap Flights from Louisville to Carlsbad (SDF-CLD)

Prices were available within the past 7 days and start at $129 for one-way flights and $277 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Jan 1 - Mon, Jan 12
SDF
Louisville
CLD
Carlsbad
$277 Roundtrip, found 5 days ago
$277
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Jan 1 from Louisville to Carlsbad, returning Mon, Jan 12, priced at $277 found 5 days ago
American Airlines
Mon, Nov 24 - Sat, Dec 6
SDF
Louisville
CLD
Carlsbad
$290 Roundtrip, found 5 days ago
$290
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Nov 24 from Louisville to Carlsbad, returning Sat, Dec 6, priced at $290 found 5 days ago
American Airlines
Wed, Jan 28 - Wed, Feb 4
SDF
Louisville
CLD
Carlsbad
$300 Roundtrip, just found
$300
Roundtrip
just found
Select American Airlines flight, departing Wed, Jan 28 from Louisville to Carlsbad, returning Wed, Feb 4, priced at $300 just found
American Airlines
Mon, Nov 24 - Sat, Nov 29
SDF
Louisville
CLD
Carlsbad
$302 Roundtrip, found 4 days ago
$302
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Nov 24 from Louisville to Carlsbad, returning Sat, Nov 29, priced at $302 found 4 days ago
American Airlines
Tue, Dec 9 - Sun, Dec 21
SDF
Louisville
CLD
Carlsbad
$306 Roundtrip, found 1 day ago
$306
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Dec 9 from Louisville to Carlsbad, returning Sun, Dec 21, priced at $306 found 1 day ago
American Airlines
Mon, Jan 26 - Sat, Jan 31
SDF
Louisville
CLD
Carlsbad
$310 Roundtrip, found 5 days ago
$310
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Jan 26 from Louisville to Carlsbad, returning Sat, Jan 31, priced at $310 found 5 days ago
American Airlines
Thu, Feb 12 - Fri, Feb 13
SDF
Louisville
CLD
Carlsbad
$323 Roundtrip, found 4 days ago
$323
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Feb 12 from Louisville to Carlsbad, returning Fri, Feb 13, priced at $323 found 4 days ago
American Airlines
Tue, Dec 9 - Sun, Dec 21
SDF
Louisville
CLD
Carlsbad
$327 Roundtrip, found 1 day ago
$327
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Dec 9 from Louisville to Carlsbad, returning Sun, Dec 21, priced at $327 found 1 day ago
American Airlines
Wed, Jan 28 - Wed, Feb 4
SDF
Louisville
CLD
Carlsbad
$331 Roundtrip, just found
$331
Roundtrip
just found
Select American Airlines flight, departing Wed, Jan 28 from Louisville to Carlsbad, returning Wed, Feb 4, priced at $331 just found
United
Sat, May 30 - Sat, Jun 6
SDF
Louisville
CLD
Carlsbad
$527 Roundtrip, found 9 hours ago
$527
Roundtrip
found 9 hours ago
Select United flight, departing Sat, May 30 from Louisville to Carlsbad, returning Sat, Jun 6, priced at $527 found 9 hours 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 $557
SAN
San Diego Intl.
Cheapest
Average driving time to city center38 min
Flights from $557

Frequently asked questions

How much does a flight from Louisville Intl. Airport (SDF) to McClellan-Palomar Airport (CLD) cost?
Get a cheap one-way flight from $129 or cheap return flight from $277 from Louisville Intl. Airport (SDF) to McClellan-Palomar Airport (CLD) 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 Louisville Intl. Airport (SDF) to McClellan-Palomar Airport (CLD)?
The cheapest month to fly from SDF to CLD is January, when there's less demand. Off-peak months are usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to McClellan-Palomar Airport (CLD)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from SDF to CLD. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Louisville Intl. Airport (SDF) to McClellan-Palomar Airport (CLD)?
Direct flights from Louisville Intl. Airport (SDF) to McClellan-Palomar Airport (CLD) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SDF to CLD?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* But this can change based on the airline, time of year 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 Louisville Intl. Airport (SDF) to McClellan-Palomar Airport (CLD)?
To avoid potential delays on the Louisville Intl. Airport (SDF) to McClellan-Palomar Airport (CLD) route, aim to fly before 3 PM. Departures after this time 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 Louisville Intl. Airport (SDF) to McClellan-Palomar Airport (CLD) last-minute?
Last-minute fares from SDF to CLD are usually more expensive. To lock in the best prices, start searching for flights well ahead of time. That said, if you can play around with your travel dates, you may find a cheap fare right before your trip.
Is it cheaper to book a SDF to CLD flight and hotel package?
You'll generally save money by booking a SDF 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 simple to manage everything in one place. After selecting your preferred flights and accommodations, consider adding extras including tours, activities and car rentals.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to McClellan-Palomar Airport (CLD)?
It's generally possible to reschedule or cancel your SDF to CLD flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Louisville Intl.
Destination airport
McClellan-Palomar
Airlines serving
American Airlines, United
Roundtrip price
$277
Distance
1795 mi

Book with confidence

Louisville to Carlsbad Flights

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

 

The best time to book a flight from Louisville to Carlsbad

Sunday is one of the best days to book for cheap flights from Louisville 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 Louisville 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 Louisville to Carlsbad in 2025. You can also book with separate airlines for your outbound and return journeys, from $129 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 Louisville 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 Louisville 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.

 

Louisville to Carlsbad Flights

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