Cheap Flights from Raleigh (RDU) to Denver (DEN)

View AU$183 flight on Sun, 16 Nov. 2025Opens in a new window

Popular airlines from Raleigh-Durham International Airport (RDU) to Denver International Airport (DEN)

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Cheap Flights from Raleigh (RDU) to Denver (DEN)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Raleigh (RDU) to Denver (DEN)

October is typically the cheapest month to fly

From AU$150 - AU$333 per traveller.

Graph displaying average flight prices per month

Flight from Raleigh to Denver route information
Origin airport
Raleigh - Durham Intl.
Destination airport
Denver Intl.
Distance
2292 km
Average flight time
3 hours 5 mins

Your quick guide to flights from Raleigh to Denver

Pick up great flights from Raleigh to Denver

With Expedia, you have your pick of 6 flights a day with 20 airlines covering flights from Raleigh to Denver. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Raleigh to Denver that take around 3 hours.

Find cheap flights from Raleigh to Denver

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Raleigh to Denver around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Denver is normally in .

Reasons to book your flight from Raleigh to Denver with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Raleigh to Denver across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Denver right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from RDU to Denver Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip journey between Raleigh - Durham Intl. Airport (RDU) and Denver Airport was . Fares this good don't hang around forever, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Raleigh–Durham Airport to DEN?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from Raleigh–Durham Airport to DIA airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Raleigh–Durham Airport to Denver Intl. Airport (DEN) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Raleigh - Durham Intl. Airport (RDU) to DIA airport?
Around 2 300 kilometres separates Morrisville and Denver, so pack some entertainment to keep you busy for a couple of hours. That action-packed novel you've yet to start will be ideal.
Which airlines fly direct from RDU to DIA airport?
United Airlines (UA) is one of the preferred choices for many travellers flying between Raleigh–Durham Airport and DIA airport. Take your pick of the 60 flights it offers on this route each month. After more options? Check out what's available with Southwest Airlines (WN). This carrier offers 30 flights every month between these airports.
Are Raleigh - Durham Intl. Airport (RDU) to Denver Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so not always. While last-minute flight deals between Raleigh - Durham Intl. Airport (RDU) and DEN are of course possible, it's also a good idea to monitor prices well before you fly. In fact, some airlines publish their prices up to 12 months ahead of the departure date. Expedia is continuously updating the best bargains around, so keep checking and be ready to grab your seat when the price is right.

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