$78 Cheap Flights from Denver (DEN) to Raleigh (RDU)

View $78 flight on Mon, Aug 18, 2025Opens in a new window

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

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Cheap Flights from Denver to Raleigh (DEN-RDU)

Prices were available within the past 7 days and start at $78 for one-way flights and $138 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Aug 21 - Mon, Aug 25
DEN
Denver
RDU
Raleigh
$138 Roundtrip, found 6 hours ago
$138
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Thu, Aug 21 from Denver to Raleigh, returning Mon, Aug 25, priced at $138 found 6 hours ago
Frontier Airlines
Sat, Aug 23 - Sun, Aug 24
DEN
Denver
RDU
Raleigh
$145 Roundtrip, found 3 hours ago
$145
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sat, Aug 23 from Denver to Raleigh, returning Sun, Aug 24, priced at $145 found 3 hours ago
Frontier Airlines
Thu, Sep 18 - Mon, Sep 22
DEN
Denver
RDU
Raleigh
$152 Roundtrip, just found
$152
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Sep 18 from Denver to Raleigh, returning Mon, Sep 22, priced at $152 just found
Frontier Airlines
Thu, Sep 25 - Mon, Sep 29
DEN
Denver
RDU
Raleigh
$157 Roundtrip, just found
$157
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Sep 25 from Denver to Raleigh, returning Mon, Sep 29, priced at $157 just found
Frontier Airlines
Thu, Sep 18 - Fri, Sep 26
DEN
Denver
RDU
Raleigh
$159 Roundtrip, just found
$159
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Sep 18 from Denver to Raleigh, returning Fri, Sep 26, priced at $159 just found
Frontier Airlines
Thu, Sep 4 - Sun, Sep 7
DEN
Denver
RDU
Raleigh
$160 Roundtrip, just found
$160
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Sep 4 from Denver to Raleigh, returning Sun, Sep 7, priced at $160 just found
Southwest Airlines
Sat, Aug 23 - Sun, Aug 24
DEN
Denver
RDU
Raleigh
$186 Roundtrip, found 3 hours ago
$186
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Sat, Aug 23 from Denver to Raleigh, returning Sun, Aug 24, priced at $186 found 3 hours ago
United
Tue, Oct 7 - Wed, Oct 15
DEN
Denver
RDU
Raleigh
$197 Roundtrip, just found
$197
Roundtrip
just found
Select United flight, departing Tue, Oct 7 from Denver to Raleigh, returning Wed, Oct 15, priced at $197 just found
American Airlines
Wed, Sep 17 - Wed, Sep 24
DEN
Denver
RDU
Raleigh
$217 Roundtrip, just found
$217
Roundtrip
just found
Select American Airlines flight, departing Wed, Sep 17 from Denver to Raleigh, returning Wed, Sep 24, priced at $217 just found
Delta
Fri, Oct 24 - Sat, Oct 25
DEN
Denver
RDU
Raleigh
$231 Roundtrip, found 2 hours ago
$231
Roundtrip
found 2 hours ago
Select Delta flight, departing Fri, Oct 24 from Denver to Raleigh, returning Sat, Oct 25, priced at $231 found 2 hours ago

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

October is typically the cheapest month to fly

From $98 - $246 per traveler.

Graph displaying average flight prices per month

Alternative airports near Raleigh

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Raleigh - Durham Intl. RDU. Cheapest and Closest option available. Average driving time to city center is 20 minutes. Flights from $248
RDU
Raleigh - Durham Intl.
CheapestClosest
Average driving time to city center20 min
Flights from $248
Flights from Denver (DEN) to Raleigh (RDU)
Origin airport
Denver Intl.
Destination airport
Raleigh - Durham Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$132
Distance
1433 mi
Average flight time
5 hours 48 mins

Denver to Raleigh Flights

The cheapest times to fly from Denver to Raleigh

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

 

The best time to book a flight from Denver to Raleigh

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

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 Denver to Raleigh in 2025. You can also book with separate airlines for your outbound and return journeys, from $78 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 Denver to Raleigh 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 Denver to Raleigh 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.

 

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Raleigh - Durham Intl. Airport (RDU) cost?
You'll find cheap return fares from Denver Intl. Airport (DEN) to Raleigh - Durham Intl. Airport (RDU) starting at $169. Book a seat and be on your way. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Frontier Airlines flight leaving DEN on August 5 2025 and touching down at RDU. The price was last updated on July 19 2025 and has not changed since.
What is the cheapest month to fly from DEN to RDU?
The cheapest flights from DEN to RDU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Denver Intl. Airport (DEN) to Raleigh - Durham Intl. Airport (RDU)?
Avoid the layovers and travel straight from Denver Intl. Airport (DEN) to Raleigh - Durham Intl. Airport (RDU) with 3 carriers, including:

  • United Airlines
  • Southwest Airlines
  • Frontier Airlines

What is the cheapest airline that flies from DEN to RDU?
With prices as low as $99 for a one-way flight from DEN to RDU, United is currently the cheapest airline on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DEN on October 7 2025. Prices were last updated on July 19 2025 and have not changed since.
How many flights per day from Denver Intl. Airport (DEN) to Raleigh - Durham Intl. Airport (RDU)?
Each day on average, 4 direct flights take off from Denver Intl. Airport (DEN) to Raleigh - Durham Intl. Airport (RDU). Select the departure date that best suits your plans.
What are the most popular departure times for flights from Denver Intl. Airport (DEN) to Raleigh - Durham Intl. Airport (RDU)?
The 5 PM departures from DEN to RDU are the busiest. Prices can be higher for these popular slots. If you're looking to save, pick a less crowded time to fly.
What day of the week has the most flights from DEN to RDU?
Travel on a Monday if you're searching for the best choice of flights from Denver Intl. Airport (DEN) to Raleigh - Durham Intl. Airport (RDU).
What is the earliest flight from Denver Intl. Airport (DEN) to Raleigh - Durham Intl. Airport (RDU)?
Denver Intl. Airport (DEN)'s first flight to Raleigh - Durham Intl. Airport (RDU) leaves at approximately 9:40AM UTC-7. With a travel time of 3h 18m, you'll touch down at around 2:58PM UTC-5.
How long does it take to fly from Denver Intl. Airport (DEN) to Raleigh - Durham Intl. Airport (RDU)?
The average flight duration from DEN to RDU is 3 hours and 15 minutes, covering a distance of 1,450 mi.
What airline has the least delays from DEN to RDU?
With 85% of flights typically arriving on schedule, United Airlines has the best on-time performance for direct flights from Denver Intl. Airport (DEN) to Raleigh - Durham Intl. Airport (RDU). To keep track of your flight status and get notifications about any changes, simply head to the Expedia App.
What is the best time to fly from Denver Intl. Airport (DEN) to Raleigh - Durham Intl. Airport (RDU)?
To reach Raleigh - Durham Intl. Airport (RDU) on time, book a flight that leaves from Denver Intl. Airport (DEN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Raleigh from Denver Intl. Airport (DEN)?
If you're flying on a direct flight from Denver Intl. Airport (DEN) to Raleigh, Raleigh - Durham Intl. Airport (RDU) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to Raleigh - Durham Intl. Airport (RDU) last-minute?
Waiting until right before your break to book a flight from DEN to RDU often results in higher prices. While you may find some last-minute deals, they're not always guaranteed. Allow some flexibility in your schedule for the best chance of snagging a bargain.
Is it cheaper to book a DEN to RDU flight and hotel package?
You'll typically save money by securing a DEN to RDU 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 ideal flights and accommodations, consider adding extras including activities, car rentals and tours.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Raleigh - Durham Intl. Airport (RDU)?
In most cases, you can modify or cancel your DEN to RDU flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you need further details, go to our Customer Service portal.

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