Cheap Flights from Raleigh (RDU) to Boulder (WBU)

Popular airlines from Raleigh-Durham International Airport (RDU) to Boulder, CO (WBU-Boulder Municipal)

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Frequently asked questions

How much does a flight from Raleigh - Durham Intl. Airport (RDU) to Boulder, CO (WBU-Boulder Municipal) cost?
Grab a cheap one-way flight or cheap return flight from Raleigh - Durham Intl. Airport (RDU) to Boulder, CO (WBU-Boulder Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Raleigh - Durham Intl. Airport (RDU) to Boulder, CO (WBU-Boulder Municipal)?
The cheapest month to fly from RDU to WBU is , when demand is low. Off-peak season is generally when airlines offer better prices between these airports.
What is the cheapest airline that flies from Raleigh - Durham Intl. Airport (RDU) to Boulder, CO (WBU-Boulder Municipal)?
To find the cheapest airline that'll fly you from RDU to WBU, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Raleigh - Durham Intl. Airport (RDU) to Boulder, CO (WBU-Boulder Municipal)?
You'll need to hop on a flight with a layover if you're traveling from Raleigh - Durham Intl. Airport (RDU) to Boulder, CO (WBU-Boulder Municipal). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from RDU to WBU?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Raleigh - Durham Intl. Airport (RDU) to Boulder, CO (WBU-Boulder Municipal)?
To avoid possible delays on the Raleigh - Durham Intl. Airport (RDU) to Boulder, CO (WBU-Boulder Municipal) route, fly before 3 PM. Later departures have a 22% higher chance of cancellation.**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 Raleigh - Durham Intl. Airport (RDU)?
Denver Intl. Airport (DEN) is the only airport in Boulder with direct flights from Raleigh - Durham Intl. Airport (RDU). Consider the available options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Raleigh - Durham Intl. Airport (RDU) to Boulder, CO (WBU-Boulder Municipal) last-minute?
Booking your ticket from RDU to WBU right before your getaway is typically more expensive. But if you're flexible with your schedule, you could snag a cheap last-minute fare.
Is it cheaper to book a RDU to WBU flight and hotel package?
You'll typically save money by securing a RDU to WBU flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After selecting your ideal accommodations and flights, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Raleigh - Durham Intl. Airport (RDU) to Boulder, CO (WBU-Boulder Municipal)?
If you reserved your RDU to WBU flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the ticket type 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

Travel information

Origin airport
Raleigh - Durham Intl.
Destination airport
Boulder Municipal
Distance
1463 mi

Book with confidence

Book with confidence

Raleigh to Boulder Flights

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

 

The best time to book a flight from Raleigh to Boulder

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

 

Raleigh to Boulder Flights

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*Available to One Key members.