$99 Cheap Flights from Santa Rosa (STS) to Carlsbad (CLD)

View $99 flight on Wed, Aug 27, 2025Opens in a new window

Popular airlines from Santa Rosa, CA (STS-Sonoma County) to Carlsbad, CA (CLD-McClellan-Palomar)

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Cheap Flights from Santa Rosa to Carlsbad (STS-CLD)

Prices were available within the past 7 days and start at $99 for one-way flights and $159 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Aug 27 - Mon, Sep 1
STS
Santa Rosa
CLD
Carlsbad
$159 Roundtrip, found 1 hour ago
$159
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Aug 27 from Santa Rosa to Carlsbad, returning Mon, Sep 1, priced at $159 found 1 hour ago
American Airlines
Fri, Oct 3 - Tue, Oct 7
STS
Santa Rosa
CLD
Carlsbad
$178 Roundtrip, found 4 hours ago
$178
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Fri, Oct 3 from Santa Rosa to Carlsbad, returning Tue, Oct 7, priced at $178 found 4 hours ago
American Airlines
Fri, Aug 22 - Sun, Aug 24
STS
Santa Rosa
CLD
Carlsbad
$197 Roundtrip, just found
$197
Roundtrip
just found
Select American Airlines flight, departing Fri, Aug 22 from Santa Rosa to Carlsbad, returning Sun, Aug 24, priced at $197 just found
American Airlines
Sat, Aug 30 - Mon, Sep 1
STS
Santa Rosa
CLD
Carlsbad
$198 Roundtrip, found 13 hours ago
$198
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Sat, Aug 30 from Santa Rosa to Carlsbad, returning Mon, Sep 1, priced at $198 found 13 hours ago
American Airlines
Tue, Dec 16 - Wed, Dec 31
STS
Santa Rosa
CLD
Carlsbad
$203 Roundtrip, found 19 hours ago
$203
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Tue, Dec 16 from Santa Rosa to Carlsbad, returning Wed, Dec 31, priced at $203 found 19 hours ago
American Airlines
Wed, Sep 17 - Thu, Sep 18
STS
Santa Rosa
CLD
Carlsbad
$217 Roundtrip, found 1 hour ago
$217
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Sep 17 from Santa Rosa to Carlsbad, returning Thu, Sep 18, priced at $217 found 1 hour ago
American Airlines
Sat, Aug 30 - Tue, Sep 2
STS
Santa Rosa
CLD
Carlsbad
$218 Roundtrip, found 4 hours ago
$218
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Sat, Aug 30 from Santa Rosa to Carlsbad, returning Tue, Sep 2, priced at $218 found 4 hours ago
American Airlines
Wed, Aug 27 - Mon, Sep 1
STS
Santa Rosa
CLD
Carlsbad
$219 Roundtrip, found 1 hour ago
$219
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Aug 27 from Santa Rosa to Carlsbad, returning Mon, Sep 1, priced at $219 found 1 hour ago
American Airlines
Tue, Sep 23 - Sat, Sep 27
STS
Santa Rosa
CLD
Carlsbad
$237 Roundtrip, found 5 hours ago
$237
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Tue, Sep 23 from Santa Rosa to Carlsbad, returning Sat, Sep 27, priced at $237 found 5 hours ago
American Airlines
Tue, Aug 19 - Sun, Sep 7
STS
Santa Rosa
CLD
Carlsbad
$238 Roundtrip, found 17 hours ago
$238
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Tue, Aug 19 from Santa Rosa to Carlsbad, returning Sun, Sep 7, priced at $238 found 17 hours ago

Alternative airports near Carlsbad

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

Select flight to McClellan-Palomar CLD. Cheapest option available. Average driving time to city center is 10 minutes. Flights from $253
CLD
McClellan-Palomar
Cheapest
Average driving time to city center10 min
Flights from $253
Flights from Santa Rosa (STS) to Carlsbad (CLD)
Origin airport
Sonoma County
Destination airport
McClellan-Palomar
Airlines serving
American Airlines
Roundtrip price
$158
Distance
483 mi

Santa Rosa to Carlsbad Flights

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

 

The best time to book a flight from Santa Rosa to Carlsbad

Sunday is one of the best days to book for cheap flights from Santa Rosa 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 Santa Rosa 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 Santa Rosa to Carlsbad in 2025. You can also book with separate airlines for your outbound and return journeys, from $99 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 Santa Rosa 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 Santa Rosa 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 Sonoma County Airport (STS) to McClellan-Palomar Airport (CLD) cost?
Discover the latest flight deals from STS 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 STS to CLD?
The cheapest flights from STS 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 STS to CLD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from STS to CLD. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Sonoma County Airport (STS) to McClellan-Palomar Airport (CLD)?
There aren't any daily nonstop flights available from Sonoma County Airport (STS) to McClellan-Palomar Airport (CLD). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from STS to CLD?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change 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 Sonoma County Airport (STS) to McClellan-Palomar Airport (CLD)?
To touch down at McClellan-Palomar Airport (CLD) on time, choose a flight that leaves from Sonoma County Airport (STS) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Sonoma County Airport (STS)?
You'll arrive at San Diego Intl. Airport (SAN) or John Wayne Airport (SNA) when you travel to Carlsbad on a direct flight from Sonoma County Airport (STS).
Is it cheaper to buy a plane ticket from Sonoma County Airport (STS) to McClellan-Palomar Airport (CLD) last-minute?
Holding off until just before your trip to book a ticket from STS to CLD often results in higher prices. Although you may find some last-minute deals, they aren't always guaranteed. Be flexible with your travel plans to maximize your chances of scoring a bargain.
Is it cheaper to book a STS to CLD flight and hotel package?
You'll typically save money by booking a STS to CLD flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've chosen your preferred accommodations and flights, you can add extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Sonoma County Airport (STS) to McClellan-Palomar Airport (CLD)?
If you booked your STS to CLD flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. 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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Carlsbad nearby Airports

San Diego

Santa Rosa to San Diego Intl.
$136.60

Carlsbad

Santa Rosa to McClellan-Palomar
$158.37
*Available to One Key members.