$229 Cheap Flights from Champaign (CMI) to Carlsbad (CLD)

View $229 flight on Tue, Nov 18, 2025Opens in a new window

Popular airlines from Champaign, IL (CMI-University Of Illinois Urbana-Champaign Williard) to Carlsbad, CA (CLD-McClellan-Palomar)

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Cheap Flights from Champaign to Carlsbad (CMI-CLD)

Prices were available within the past 7 days and start at $229 for one-way flights and $432 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Oct 2 - Sun, Oct 5
CMI
Champaign
CLD
Carlsbad
$432 Roundtrip, found 1 day ago
$432
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Oct 2 from Champaign to Carlsbad, returning Sun, Oct 5, priced at $432 found 1 day ago
American Airlines
Mon, Dec 8 - Thu, Dec 11
CMI
Champaign
CLD
Carlsbad
$436 Roundtrip, found 3 hours ago
$436
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Mon, Dec 8 from Champaign to Carlsbad, returning Thu, Dec 11, priced at $436 found 3 hours ago
American Airlines
Sat, Dec 6 - Tue, Dec 9
CMI
Champaign
CLD
Carlsbad
$457 Roundtrip, found 3 hours ago
$457
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sat, Dec 6 from Champaign to Carlsbad, returning Tue, Dec 9, priced at $457 found 3 hours ago
American Airlines
Fri, Dec 5 - Tue, Dec 9
CMI
Champaign
CLD
Carlsbad
$460 Roundtrip, found 3 hours ago
$460
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Fri, Dec 5 from Champaign to Carlsbad, returning Tue, Dec 9, priced at $460 found 3 hours ago
American Airlines
Thu, Jan 22 - Thu, Feb 5
CMI
Champaign
CLD
Carlsbad
$463 Roundtrip, found 3 days ago
$463
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Jan 22 from Champaign to Carlsbad, returning Thu, Feb 5, priced at $463 found 3 days ago
American Airlines
Mon, Dec 15 - Thu, Dec 18
CMI
Champaign
CLD
Carlsbad
$489 Roundtrip, found 3 days ago
$489
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Dec 15 from Champaign to Carlsbad, returning Thu, Dec 18, priced at $489 found 3 days ago
American Airlines
Tue, Sep 30 - Tue, Oct 7
CMI
Champaign
CLD
Carlsbad
$496 Roundtrip, found 1 day ago
$496
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Sep 30 from Champaign to Carlsbad, returning Tue, Oct 7, priced at $496 found 1 day ago
American Airlines
Fri, Feb 6 - Wed, Feb 11
CMI
Champaign
CLD
Carlsbad
$508 Roundtrip, found 3 days ago
$508
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Feb 6 from Champaign to Carlsbad, returning Wed, Feb 11, priced at $508 found 3 days ago
American Airlines
Tue, Dec 9 - Wed, Dec 10
CMI
Champaign
CLD
Carlsbad
$513 Roundtrip, found 3 hours ago
$513
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, Dec 9 from Champaign to Carlsbad, returning Wed, Dec 10, priced at $513 found 3 hours ago
American Airlines
Mon, Dec 8 - Thu, Dec 11
CMI
Champaign
CLD
Carlsbad
$516 Roundtrip, found 3 hours ago
$516
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Mon, Dec 8 from Champaign to Carlsbad, returning Thu, Dec 11, priced at $516 found 3 hours ago

Frequently asked questions

How much does a flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to McClellan-Palomar Airport (CLD) cost?
Secure a cheap one-way flight from $229 or cheap return flight from $432 from University Of Illinois Urbana-Champaign Williard Airport (CMI) 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 University Of Illinois Urbana-Champaign Williard Airport (CMI) to McClellan-Palomar Airport (CLD)?
Traveling in October is a good way to save, as it's the cheapest month for flights between CMI and CLD. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from University Of Illinois Urbana-Champaign Williard Airport (CMI) to McClellan-Palomar Airport (CLD)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from CMI to CLD. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from University Of Illinois Urbana-Champaign Williard Airport (CMI) to McClellan-Palomar Airport (CLD)?
You'll have to hop on a flight with a layover if you're traveling from University Of Illinois Urbana-Champaign Williard Airport (CMI) to McClellan-Palomar Airport (CLD). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from CMI to CLD?
Generally you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the season, 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 University Of Illinois Urbana-Champaign Williard Airport (CMI) to McClellan-Palomar Airport (CLD)?
To reach McClellan-Palomar Airport (CLD) on schedule, choose a flight that takes off from University Of Illinois Urbana-Champaign Williard Airport (CMI) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 University Of Illinois Urbana-Champaign Williard Airport (CMI) to McClellan-Palomar Airport (CLD) last-minute?
Booking your flight from CMI to CLD just before your journey is generally more expensive. However, if you're flexible with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a CMI to CLD flight and hotel package?
Compared with arranging flights and hotels separately, booking a CMI to CLD flight and hotel package with Expedia could result in significant savings. Better still, having everything in one place will take the stress out of travel planning. Simply secure your flights and select from our extensive range of hotels, then personalize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to McClellan-Palomar Airport (CLD)?
Generally, it's possible to reschedule or cancel your CMI 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 allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
University Of Illinois Urbana-Champaign Williard
Destination airport
McClellan-Palomar
Airlines serving
American Airlines
Roundtrip price
$431
Distance
1670 mi

Book with confidence

Book with confidence

Champaign to Carlsbad Flights

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

 

The best time to book a flight from Champaign to Carlsbad

Sunday is one of the best days to book for cheap flights from Champaign 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 Champaign 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 Champaign to Carlsbad in 2025. You can also book with separate airlines for your outbound and return journeys, from $229 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 Champaign 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 Champaign 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.

 

Champaign to Carlsbad Flights

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*Available to One Key members.