Cheap Flights from Colorado Springs (COS) to Boulder (WBU)

Popular airlines from Colorado Springs Airport (COS) to Boulder, CO (WBU-Boulder Municipal)

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Frequently asked questions

How much does a flight from Colorado Springs Airport (COS) to Boulder, CO (WBU-Boulder Municipal) cost?
Get a cheap one-way flight or cheap return flight from Colorado Springs Airport (COS) to Boulder, CO (WBU-Boulder Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Colorado Springs Airport (COS) to Boulder, CO (WBU-Boulder Municipal)?
The cheapest month to fly from COS to WBU is , when demand is low. Off-peak months are generally when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Colorado Springs Airport (COS) to Boulder, CO (WBU-Boulder Municipal)?
To find the cheapest airline flying from COS to WBU, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Colorado Springs Airport (COS) to Boulder, CO (WBU-Boulder Municipal)?
You'll need to book a flight with a layover if you're traveling from Colorado Springs Airport (COS) to Boulder, CO (WBU-Boulder Municipal). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from COS to WBU?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on a number of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Colorado Springs Airport (COS) to Boulder, CO (WBU-Boulder Municipal)?
Opt for a flight from Colorado Springs Airport (COS) to Boulder, CO (WBU-Boulder Municipal) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this 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.
What airports do you fly into for Boulder from Colorado Springs Airport (COS)?
If you're flying on a direct flight from Colorado Springs Airport (COS) to Boulder, Denver Intl. Airport (DEN) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Colorado Springs Airport (COS) to Boulder, CO (WBU-Boulder Municipal) last-minute?
Waiting until right before your break to book your flight from COS to WBU generally means paying more. Although you may find some last-minute offers, they aren't always guaranteed. Be flexible with your itinerary for the best chance of getting a bargain.
Is it cheaper to book a COS to WBU flight and hotel package?
Booking a COS to WBU flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our wide range of stays and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Colorado Springs Airport (COS) to Boulder, CO (WBU-Boulder Municipal)?
If you reserved your COS to WBU flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Origin airport
Colorado Springs
Destination airport
Boulder Municipal
Distance
90 mi

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Colorado Springs to Boulder Flights

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

 

The best time to book a flight from Colorado Springs to Boulder

Sunday is one of the best days to book for cheap flights from Colorado Springs 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 Colorado Springs 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 Colorado Springs 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 Colorado Springs 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 Colorado Springs 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.

 

Colorado Springs to Boulder Flights

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