$59 Cheap Flights from Raleigh (RDU) to Denver (DEN)

View $59 flight on Mon, Dec 8, 2025Opens in a new window

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

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Cheap Flights from Raleigh to Denver (RDU-DEN)

Prices were available within the past 7 days and start at $59 for one-way flights and $112 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Dec 5 - Sun, Dec 7
RDU
Raleigh
DEN
Denver
$112 Roundtrip, found 1 hour ago
$112
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Dec 5 from Raleigh to Denver, returning Sun, Dec 7, priced at $112 found 1 hour ago
Frontier Airlines
Fri, Nov 7 - Thu, Nov 13
RDU
Raleigh
DEN
Denver
$115 Roundtrip, just found
$115
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Nov 7 from Raleigh to Denver, returning Thu, Nov 13, priced at $115 just found
Frontier Airlines
Mon, Oct 27 - Fri, Oct 31
RDU
Raleigh
DEN
Denver
$116 Roundtrip, found 4 hours ago
$116
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Mon, Oct 27 from Raleigh to Denver, returning Fri, Oct 31, priced at $116 found 4 hours ago
Frontier Airlines
Thu, Oct 23 - Sat, Oct 25
RDU
Raleigh
DEN
Denver
$118 Roundtrip, just found
$118
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Oct 23 from Raleigh to Denver, returning Sat, Oct 25, priced at $118 just found
Frontier Airlines
Thu, Nov 6 - Mon, Nov 10
RDU
Raleigh
DEN
Denver
$125 Roundtrip, just found
$125
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Nov 6 from Raleigh to Denver, returning Mon, Nov 10, priced at $125 just found
Frontier Airlines
Thu, Oct 23 - Sat, Oct 25
RDU
Raleigh
DEN
Denver
$133 Roundtrip, just found
$133
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Oct 23 from Raleigh to Denver, returning Sat, Oct 25, priced at $133 just found
United
Fri, Nov 14 - Mon, Nov 17
RDU
Raleigh
DEN
Denver
$217 Roundtrip, just found
$217
Roundtrip
just found
Select United flight, departing Fri, Nov 14 from Raleigh to Denver, returning Mon, Nov 17, priced at $217 just found
Southwest Airlines
Fri, Nov 14 - Mon, Nov 17
RDU
Raleigh
DEN
Denver
$217 Roundtrip, just found
$217
Roundtrip
just found
Select Southwest Airlines flight, departing Fri, Nov 14 from Raleigh to Denver, returning Mon, Nov 17, priced at $217 just found
JetBlue Airways
Fri, Oct 31 - Sat, Nov 8
RDU
Raleigh
DEN
Denver
$223 Roundtrip, found 1 hour ago
$223
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Fri, Oct 31 from Raleigh to Denver, returning Sat, Nov 8, priced at $223 found 1 hour ago
Delta
Mon, Dec 8 - Tue, Dec 9
RDU
Raleigh
DEN
Denver
$231 Roundtrip, found 10 hours ago
$231
Roundtrip
found 10 hours ago
Select Delta flight, departing Mon, Dec 8 from Raleigh to Denver, returning Tue, Dec 9, priced at $231 found 10 hours ago

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

November is typically the cheapest month to fly

From $98 - $353 per traveler.

Alternative airports near Denver

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

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city center is 32 minutes. Flights from $209
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $209

Frequently asked questions

How much does a flight from Raleigh - Durham Intl. Airport (RDU) to Denver Intl. Airport (DEN) cost?
Lock in a cheap one-way flight from $59 or cheap return flight from $112 from Raleigh - Durham Intl. Airport (RDU) to Denver Intl. Airport (DEN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Raleigh - Durham Intl. Airport (RDU) to Denver Intl. Airport (DEN)?
The cheapest month to fly from RDU to DEN is December, when demand is low. Off-peak months are often when you'll find lower airfares between these airports.
Which airlines fly direct from Raleigh - Durham Intl. Airport (RDU) to Denver Intl. Airport (DEN)?
Avoid the layovers and travel nonstop to Denver Intl. Airport (DEN) from Raleigh - Durham Intl. Airport (RDU) with 3 carriers, including:

  • United Airlines
  • Southwest Airlines
  • Frontier Airlines

What is the cheapest airline that flies from Raleigh - Durham Intl. Airport (RDU) to Denver Intl. Airport (DEN)?
The cheapest airline to offer flights between Raleigh - Durham Intl. Airport (RDU) and Denver Intl. Airport (DEN) can vary based on when you plan to fly. Frontier Airlines and Southwest Airlines are just some of your options offering competitive fares. Use Expedia's filters to compare airlines in one place and find the right RDU to DEN flight for your budget.
How many flights per day from Raleigh - Durham Intl. Airport (RDU) to Denver Intl. Airport (DEN)?
Daily, an average of 4 direct flights take off from Raleigh - Durham Intl. Airport (RDU) to Denver Intl. Airport (DEN). Choose the departure time that best fits your schedule.
What are the most popular departure times for flights from Raleigh - Durham Intl. Airport (RDU) to Denver Intl. Airport (DEN)?
Flights between RDU and DEN tend to be busiest at 4 PM. For a more relaxed experience and potentially cheaper tickets, look for a time outside the usual busy windows.
What day of the week has the most flights from RDU to DEN?
Fly on a Thursday if you're searching for the best choice of flights from Raleigh - Durham Intl. Airport (RDU) to Denver Intl. Airport (DEN).
What is the earliest flight from Raleigh - Durham Intl. Airport (RDU) to Denver Intl. Airport (DEN)?
The first flight of the day jetting off from Raleigh - Durham Intl. Airport (RDU) is at around 5:35AM UTC-5. Hop on this flight and you'll reach Denver Intl. Airport (DEN) at approximately 7:40AM UTC-7. The entire trip takes 4h 5m.
How long does it take to fly from Raleigh - Durham Intl. Airport (RDU) to Denver Intl. Airport (DEN)?
It takes roughly 4 hours and 8 minutes to travel the 1,450 mi from RDU to DEN.
What airline has the least delays from RDU to DEN?
United Airlines has the best performance for on-time direct flights from Raleigh - Durham Intl. Airport (RDU) to Denver Intl. Airport (DEN), with an on-time score of 84%. Use the Expedia App to check your flight schedule before you take off and receive notifications about any changes.
What is the best time to fly from Raleigh - Durham Intl. Airport (RDU) to Denver Intl. Airport (DEN)?
To avoid potential delays on the Raleigh - Durham Intl. Airport (RDU) to Denver Intl. Airport (DEN) route, 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.
What airports do you fly into for Denver from Raleigh - Durham Intl. Airport (RDU)?
Denver Intl. Airport (DEN) is the only airport in Denver with direct flights from Raleigh - Durham Intl. Airport (RDU). Browse the options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Raleigh - Durham Intl. Airport (RDU) to Denver Intl. Airport (DEN) last-minute?
Waiting until just before your departure to book a flight from RDU to DEN often results in higher prices. While you might find some last-minute deals, there's no guarantee. Be flexible with your itinerary for the best chance of snagging a bargain.
Is it cheaper to book a RDU to DEN flight and hotel package?
You'll generally save money by securing a RDU to DEN 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 it all in one place. After selecting your ideal accommodations and flights, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Raleigh - Durham Intl. Airport (RDU) to Denver Intl. Airport (DEN)?
Usually, it's possible to reschedule or cancel your RDU to DEN flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
Raleigh - Durham Intl.
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$112
Distance
1433 mi
Average flight time
2 hours 38 mins

Book with confidence

Book with confidence

Raleigh to Denver Flights

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

 

The best time to book a flight from Raleigh to Denver

Sunday is one of the best days to book for cheap flights from Raleigh 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 Raleigh 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 Raleigh to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $59 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 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 Raleigh 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.

 

Raleigh to Denver Flights

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