Cheap Flights from Boulder (WBU) to Denver (APA)

Popular airlines from Boulder, CO (WBU-Boulder Municipal) to Denver, CO (APA-Centennial)

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Frequently asked questions

How much does a flight from Boulder, CO (WBU-Boulder Municipal) to Centennial Airport (APA) cost?
Lock in a cheap one-way flight or cheap return flight from Boulder, CO (WBU-Boulder Municipal) to Centennial Airport (APA) 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 Boulder, CO (WBU-Boulder Municipal) to Centennial Airport (APA)?
Flying in is a great way to save, as it's the cheapest month for flights between WBU and APA. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Boulder, CO (WBU-Boulder Municipal) to Centennial Airport (APA)?
To find the cheapest airline flying from WBU to APA, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Boulder, CO (WBU-Boulder Municipal) to Centennial Airport (APA)?
You'll need to book a flight with a layover if you're traveling from Boulder, CO (WBU-Boulder Municipal) to Centennial Airport (APA). 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 WBU to APA?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can vary depending on the time of year, 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 Boulder, CO (WBU-Boulder Municipal) to Centennial Airport (APA)?
To avoid possible delays on the Boulder, CO (WBU-Boulder Municipal) to Centennial Airport (APA) route, aim to fly before 3 PM. Later departures have a 22% higher chance of being 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 Boulder, CO (WBU-Boulder Municipal) to Centennial Airport (APA) last-minute?
Holding off until just before your trip to book a flight from WBU to APA often results in higher prices. While you might find some last-minute discounts, they aren't always guaranteed. Be flexible with your itinerary to maximize your chances of scoring a bargain.
Is it cheaper to book a WBU to APA flight and hotel package?
You can save money by securing a WBU to APA 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 selected your preferred accommodations and flights, consider adding extras including car rentals, activities and tours.
Can I cancel or change the date of my flight from Boulder, CO (WBU-Boulder Municipal) to Centennial Airport (APA)?
It's usually possible to cancel or reschedule your WBU to APA flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Boulder Municipal
Destination airport
Centennial
Distance
38 mi

Book with confidence

Book with confidence

Boulder to Denver Flights

The cheapest times to fly from Boulder to Denver

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

 

The best time to book a flight from Boulder to Denver

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

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 Boulder to Denver 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 Boulder to Denver 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 Boulder to Denver 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.

 

Boulder to Denver Flights

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*Available to One Key members.