$54 Cheap Flights from Raleigh to Denver

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Find The Best Dates To Fly from Raleigh - Durham Intl. to Denver Intl.

Amazing RDU to DEN Flight Deals

The cheapest flights to Denver Intl. found within the past 7 days were $108 round trip and $54 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for RDU to DEN

CarrierFlightDepart RDUArrive DENThu
UA125607:37 am09:50 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
UA71703:10 pm07:36 pmCheck FareCheck Fare
Check FareCheck FareCheck FareCheck Fare
1 Stops
UA102304:10 pm06:10 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
F956109:17 pm11:32 pmCheck Fare
0 Stops
F955910:00 pm00:15 am
Check FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops

Best Denver Intl. Flight and Hotel Packages

Denver Intl. flight + hotel packages - economy flights

Beaver Run Resort & Conference Center
Mountain Thunder Lodge
One Ski Hill Place, A RockResort
Residence Inn by Marriott Breckenridge
Village at Breckenridge Resort
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Frequently asked questions

Can I catch a flight from Raleigh--Durham Airport to DIA airport right now?
For information on any present DEN travel advice and quarantine requirements, visit our Covid-19 Travel Advisor. Look before you book your flight, so you don’t get caught up.
Are there direct flights from RDU to Denver Intl. Airport (DEN)?
United Airlines and Southwest Airlines are a couple of the airlines that sell nonstop flights from Raleigh - Durham Intl. Airport (RDU) to DIA airport. If you need to get to your destination the speediest way possible, these are the options for you.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to DEN, please visit our Customer Service Portal.
How long is the flight from Raleigh - Durham Intl. Airport (RDU) to Denver Intl. Airport (DEN)?
It typically takes about 3 hours and 54 minutes to travel from Raleigh–Durham Airport to DIA airport. You’ll be in your seat for a while, so keep yourself amused with a podcast or flip through the in-flight magazine.
What is the flight distance from Raleigh - Durham Intl. Airport (RDU) to Denver Airport?
You’ll have to travel around 1,450 mi from Raleigh–Durham Airport to Denver Intl. Airport (DEN) before you can officially kick off your activities. Grab something refreshing when the drink cart trundles by and catch up on one or two of your favorite movies. You’ll have lots of time!
What airlines fly from Raleigh--Durham Airport to DIA airport?
There are a few airlines that have direct flights from Raleigh–Durham Airport to DEN. United Airlines (UA) is one of the most reputable, operating roughly 60 flights every month. If you want more choice, have a look at the deals on offer from Southwest Airlines (WN). This airline operates 47 flights every month. Between the two, there’s no doubt you’ll find a deal to suit your needs.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with United Airlines, Southwest Airlines or Frontier Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.


Traveling From Raleigh - Durham Intl.
Traveling To Denver Intl.
Shortest Flight Time 4 hours 0 mins
Earliest Departure Time 7:37AM EST
Latest Departure Time 10:00PM EST
Lowest Flight Price $108

Route Info

Flight path for flights from Raleigh-Durham International Airport to Denver International Airport

1,441.00 miles

Airlines & Aircraft Used on RDU to DEN Flight Routes

Airline Carrier
American Airlines
Boeing 737-800 pax
American Airlines
British Aerospace Jetstream 41
Delta Air Lines
Embraer RJ135
Jet Airways (India)
Airbus A320-100/200
Jet Airways (India)
Airbus A330-200
United Airlines
Airbus A330-200

Discover our best flights from Raleigh RDU to Denver DEN. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 


Find our best return flights from Raleigh RDU to Denver DEN at the right price  

Airfares to Denver DEN from Raleigh RDU currently cost between $108 and $169. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 


Book one-way flights from Raleigh RDU to Denver DEN 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Raleigh RDU to Denver DEN on Travelocity starting at $54. Prices and availability subject to change. Additional terms may apply. 


Get to Denver DEN from Raleigh RDU quicker with direct flights. 

Get to Denver faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to DEN from RDU to take around 4 hour(s) 0 min(s).  


Find our cheapest airfares for flights from Raleigh RDU to Denver DEN

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to DEN from RDU. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  


Get our best airfare deals for your flight from Raleigh RDU to Denver DEN today 

If you’re flexible about when you travel, February is usually the cheapest month to fly from Raleigh RDU to Denver DEN. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 


Book flexible airline tickets for flights to Denver DEN from Raleigh RDU 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to DEN from RDU have this option.  


Travel with confidence when you book flights to Denver DEN from Raleigh RDU with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving.