$154 Cheap Flights from Harrisburg (MDT) to Carlsbad (CLD)

View $154 flight on Sat, Jul 5, 2025Opens in a new window

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

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Cheap Flights from Harrisburg to Carlsbad (MDT-CLD)

Prices were available within the past 7 days and start at $154 for one-way flights and $313 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Jul 5 - Sun, Jul 13
MDT
Harrisburg
CLD
Carlsbad
$313 Roundtrip, found 1 day ago
$313
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Jul 5 from Harrisburg to Carlsbad, returning Sun, Jul 13, priced at $313 found 1 day ago
American Airlines
Wed, Jun 25 - Sat, Jul 5
MDT
Harrisburg
CLD
Carlsbad
$319 Roundtrip, found 1 day ago
$319
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Jun 25 from Harrisburg to Carlsbad, returning Sat, Jul 5, priced at $319 found 1 day ago
American Airlines
Wed, Jul 2 - Sat, Jul 5
MDT
Harrisburg
CLD
Carlsbad
$323 Roundtrip, found 4 days ago
$323
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Jul 2 from Harrisburg to Carlsbad, returning Sat, Jul 5, priced at $323 found 4 days ago
American Airlines
Wed, Jul 2 - Sat, Jul 5
MDT
Harrisburg
CLD
Carlsbad
$328 Roundtrip, found 4 days ago
$328
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Jul 2 from Harrisburg to Carlsbad, returning Sat, Jul 5, priced at $328 found 4 days ago
American Airlines
Sat, May 24 - Wed, May 28
MDT
Harrisburg
CLD
Carlsbad
$331 Roundtrip, found 6 days ago
$331
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, May 24 from Harrisburg to Carlsbad, returning Wed, May 28, priced at $331 found 6 days ago
American Airlines
Wed, Jun 25 - Tue, Jul 1
MDT
Harrisburg
CLD
Carlsbad
$335 Roundtrip, found 4 days ago
$335
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Jun 25 from Harrisburg to Carlsbad, returning Tue, Jul 1, priced at $335 found 4 days ago
American Airlines
Wed, Jul 2 - Sat, Jul 5
MDT
Harrisburg
CLD
Carlsbad
$342 Roundtrip, found 6 days ago
$342
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Jul 2 from Harrisburg to Carlsbad, returning Sat, Jul 5, priced at $342 found 6 days ago
American Airlines
Fri, May 23 - Fri, May 30
MDT
Harrisburg
CLD
Carlsbad
$349 Roundtrip, found 3 days ago
$349
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, May 23 from Harrisburg to Carlsbad, returning Fri, May 30, priced at $349 found 3 days ago
American Airlines
Sat, May 31 - Sat, Jun 7
MDT
Harrisburg
CLD
Carlsbad
$353 Roundtrip, found 1 day ago
$353
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, May 31 from Harrisburg to Carlsbad, returning Sat, Jun 7, priced at $353 found 1 day ago
American Airlines
Thu, Jul 24 - Tue, Jul 29
MDT
Harrisburg
CLD
Carlsbad
$359 Roundtrip, found 3 days ago
$359
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Jul 24 from Harrisburg to Carlsbad, returning Tue, Jul 29, priced at $359 found 3 days ago
Flights from Harrisburg (MDT) to Carlsbad (CLD)
Origin airport
Harrisburg Intl.
Destination airport
McClellan-Palomar
Airlines serving
American Airlines
Roundtrip price
$313
Distance
2277 mi

Harrisburg to Carlsbad Flights

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

 

The best time to book a flight from Harrisburg to Carlsbad

Sunday is one of the best days to book for cheap flights from Harrisburg 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 Harrisburg 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 Harrisburg to Carlsbad in 2025. You can also book with separate airlines for your outbound and return journeys, from $154 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 Harrisburg 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 Harrisburg 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 Harrisburg Intl. Airport (MDT) to McClellan-Palomar Airport (CLD) cost?
Discover the latest flight deals from MDT 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 MDT to CLD?
The cheapest flights from MDT 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 MDT to CLD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from MDT to CLD. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Harrisburg Intl. Airport (MDT) to McClellan-Palomar Airport (CLD)?
Nonstop flights from Harrisburg Intl. Airport (MDT) to McClellan-Palomar Airport (CLD) 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 dates and choose either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from MDT to CLD?
Usually you’ll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can vary based 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 Harrisburg Intl. Airport (MDT) to McClellan-Palomar Airport (CLD)?
Select a flight from Harrisburg Intl. Airport (MDT) to McClellan-Palomar Airport (CLD) that leaves before 3 PM to reduce the likelihood of delays. 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.
Is it cheaper to buy a plane ticket from Harrisburg Intl. Airport (MDT) to McClellan-Palomar Airport (CLD) last-minute?
Last-minute bookings from MDT to CLD are generally more expensive. To lock in the best rates, start looking for flights well ahead of time. That being said, if you’re flexible with your travel dates, it’s possible to score a cheap fare right before you leave.
Is it cheaper to book a MDT to CLD flight and hotel package?
Booking a MDT to CLD flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our extensive range of stays and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Harrisburg Intl. Airport (MDT) to McClellan-Palomar Airport (CLD)?
If you reserved your MDT to CLD flight in the last 24 hours, you may be able to cancel or modify it without any 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 for more information.

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*Available to One Key members.