Cheap Flights from Carlsbad (CLD) to Boulder (WBU)

Popular airlines from Carlsbad, CA (CLD-McClellan-Palomar) to Boulder, CO (WBU-Boulder Municipal)

Frequently asked questions

How much does a flight from McClellan-Palomar Airport (CLD) to Boulder, CO (WBU-Boulder Municipal) cost?
Secure a cheap one-way flight or cheap return flight from McClellan-Palomar Airport (CLD) to Boulder, CO (WBU-Boulder Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from McClellan-Palomar Airport (CLD) to Boulder, CO (WBU-Boulder Municipal)?
Planning your getaway for can help you save, as it's the cheapest month for flights between CLD and WBU. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from McClellan-Palomar Airport (CLD) to Boulder, CO (WBU-Boulder Municipal)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from CLD to WBU. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from McClellan-Palomar Airport (CLD) to Boulder, CO (WBU-Boulder Municipal)?
There are no daily direct flights departing from McClellan-Palomar Airport (CLD) to Boulder, CO (WBU-Boulder Municipal). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from CLD to WBU?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from McClellan-Palomar Airport (CLD) to Boulder, CO (WBU-Boulder Municipal)?
Opt for a flight from McClellan-Palomar Airport (CLD) to Boulder, CO (WBU-Boulder Municipal) that takes off before 3 PM to reduce the risk of cancellations. Departures after this time are on average 22% more likely to be canceled.**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 McClellan-Palomar Airport (CLD) to Boulder, CO (WBU-Boulder Municipal) last-minute?
Waiting until just before your trip to book a ticket from CLD to WBU often results in higher prices. While you may come across some last-minute offers, they aren't always guaranteed. Keep your travel schedule open to maximize your chances of scoring a bargain.
Is it cheaper to book a CLD to WBU flight and hotel package?
Compared with arranging flights and hotels separately, booking a CLD to WBU flight and hotel package with Expedia could result in significant savings. What's more, having everything in one easy place will take the hassle out of travel planning. Just secure your flights and select from our extensive range of hotels, then tailor your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from McClellan-Palomar Airport (CLD) to Boulder, CO (WBU-Boulder Municipal)?
You can usually cancel or reschedule your CLD to WBU flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
McClellan-Palomar
Destination airport
Boulder Municipal
Distance
820 mi

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Carlsbad to Boulder Flights

The cheapest times to fly from Carlsbad to Boulder

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

 

The best time to book a flight from Carlsbad to Boulder

Sunday is one of the best days to book for cheap flights from Carlsbad to Boulder: 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 Carlsbad to Boulder

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 Carlsbad to Boulder in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Carlsbad to Boulder 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 Carlsbad to Boulder 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.

 

Carlsbad to Boulder Flights

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*Available to One Key members.