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$79 Cheap Flights from Denver (DEN) to Raleigh (RDU)

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 $79 for one-way flights and $158 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Southwest Airlines
United
American Airlines
Delta

Alternative airports near Raleigh

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

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

August is typically the cheapest month to fly

From $208 - $290 per traveler.

What you need to know for your flight from Denver Intl. to Raleigh - Durham Intl.

Denver (DEN) to Raleigh (RDU) at a glance

Travel between Denver (DEN) and Raleigh (RDU) with a range of airlines on this short domestic route. You can compare flights from Denver to Raleigh, whether you prefer full-service airlines or budget-friendly options. This allows you to choose an itinerary that aligns with your budget, schedule, and travel plans as you discover Raleigh’s notable attractions and neighborhoods. Check out the key details for flights from Denver International Airport (DEN) to Raleigh-Durham International Airport (RDU) to find your next flight.

  • Fastest flight duration: around 3h 15m non-stop
  • Route distance: roughly 1,400 miles (2,250 km)
  • Flights per week: around 35+ flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $75–$390, depending on seasonality and how far ahead you book

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

According to recent traveler bookings, here are the top airlines flying from Denver to Raleigh, favored for both non-stop and one-stop flights. Popular layover options include Charlotte-Douglas International Airport (CLT), with a layover of about 1 hour and 15 minutes; Hartsfield-Jackson Atlanta International Airport (ATL), offering around a 1 hour and 30 minutes layover; and Dallas-Fort Worth International Airport (DFW), which typically has a 1 hour and 15 minutes layover. These choices allow you to balance price, total travel time, and cabin class to create the ideal itinerary.

  • United: This full-service airline provides both non-stop and one-stop options, with one-way ticket prices generally between $100 and $510. It makes up about 30% of departures on this route, typically taking around 3 hours and 15 minutes for non-stop flights.
  • Southwest Airlines: As a budget-friendly carrier, Southwest offers non-stop and one-stop services, with one-way fares usually ranging from $100 to $510. It accounts for roughly 26% of the flights on this route, with a standard non-stop travel time of 3 hours and 15 minutes.
  • Frontier Airlines: This low-cost airline presents both non-stop and one-stop flight options, with one-way fares typically falling between $75 and $280. It represents about 22% of departures on this route, with a usual non-stop duration of 3 hours and 15 minutes.
  • American Airlines: A full-service provider, American Airlines offers one-stop services with one-way fares generally ranging from $100 to $340. It constitutes around 15% of departures on this route, with an in-flight time of 4 hours and 30 minutes, totaling about 6 hours when including layovers.
  • Delta: This full-service airline provides one-stop services, with one-way fares typically between $120 and $485. Delta accounts for about 6% of departures on this route, featuring an in-flight duration of 4 hours and 30 minutes, resulting in a total travel time of roughly 6 hours, including layovers.

Travelers flying from Denver to Raleigh can opt to upgrade to first class with top airlines like United, American Airlines, and Delta.

Best time to fly from Denver (DEN) to Raleigh (RDU)

The most popular months for travelers flying from Denver to Raleigh are March, April, and July, when peak temperatures in Raleigh reach up to 79.9°F in July. If you prefer quieter travel, consider September, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 73°F. For better deals, February usually offers the lowest average one-way fare around $176. Flight availability peaks in June, July, and August, with approximately 46 flights per week, making it easier to find convenient departure times. January has the fewest flights, with approximately 27 flights per week.

  • Cheapest time to fly: February usually offers good deals with average one-way fare around $176, roughly 10% cheaper than the yearly average.
  • More budget-friendly months to fly: August, September, and June typically offer average one-way fares of around $182.
  • Most flight options: June, July, and August have the highest number of flights from Denver to Raleigh, with approximately 46 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January41.5°F (5.3°C)Average27$201
February45.1°F (7.3°C)Average29$176
March51.4°F (10.8°C)Slightly High33$211
April61.0°F (16.1°C)Slightly High39$208
May69.1°F (20.6°C)Average43$194
June76.6°F (24.8°C)Average46$185
July79.9°F (26.6°C)Slightly High46$191
August78.3°F (25.7°C)Average46$178
September73.0°F (22.8°C)Slightly Low38$179
October62.8°F (17.1°C)Average43$193
November51.8°F (11.0°C)Slightly Low35$211
December46.0°F (7.8°C)Slightly Low32$223

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Denver (DEN) to Raleigh (RDU)

  • Denver to Greensboro (DEN-GSO): Piedmont Triad International Airport (GSO) is approximately 66 miles from Raleigh-Durham International Airport (RDU). On this route, one-way economy fares generally fall between $125 and $520, influenced by the season and how early you book. Flights typically include both non-stop and one-stop services, with common layover points at Charlotte-Douglas International Airport (CLT) and Hartsfield-Jackson Atlanta International Airport (ATL). Major airlines operating this route include United and American Airlines, with first-class service also available.
  • Colorado Springs to Raleigh (COS-RDU): Colorado Springs Airport (COS) is located roughly 73 miles from Denver International Airport (DEN). One-way economy fares on this route usually range from $130 to $420, varying by season and booking time. Most flights offer one-stop options with frequent layovers at Denver International Airport (DEN) and Dallas-Fort Worth International Airport (DFW). Popular airlines for this journey include low-cost carrier Southwest Airlines and American Airlines, with first-class service also offered.
  • Denver to Fayetteville (DEN-FAY): Fayetteville Regional Airport (FAY) is around 61 miles from Raleigh-Durham International Airport (RDU). Economy fares for one-way tickets on this route typically range from $200 to $515, depending on the season and when you book. This route usually features one-stop flights, with common layovers at Charlotte-Douglas International Airport (CLT) and Hartsfield-Jackson Atlanta International Airport (ATL). American Airlines and Delta are the leading carriers for this route, and first-class service is available as well.

How to find the best prices for flights from Denver (DEN) to Raleigh (RDU)

Getting some of the best deals on flights from Denver to Raleigh is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Departures in the afternoon (12pm-6pm) often provide lower fares, even though morning flights (5am-12pm) are more popular. Additionally, flying on Friday generally yields cheaper prices, while Sunday remains the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Raleigh - Durham International Airport from Denver International Airport

Raleigh welcomes travelers from Denver with a range of transport options based on price, convenience, and proximity. Raleigh city center is approximately a 20-minute drive (covering about 15 miles) from Raleigh - Durham International Airport, depending on traffic. Here's how to reach Raleigh efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Raleigh, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Raleigh - Durham International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Raleigh - Durham International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Raleigh-Durham International Airport, Cary Station, a train station, is located about 6 miles away, providing convenient access to rail services nearby.

Frequently asked questions

How much does a flight from Denver, CO (DEN-Denver Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.) cost?
You can find cheap one-way flights from $79 and cheap return flights from $158 Denver, CO (DEN-Denver Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.) with Expedia. One-way flights generally range between $160 and $744, and roundtrip flights usually range from $300 to $1083. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Denver, CO (DEN-Denver Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
September is the cheapest month to fly from Denver to Raleigh, with average return fares around $306. This price is about 14% lower than the average throughout the year, likely due to decreased travel after the summer. Other affordable months for this route include January and August.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
There are 2 airlines offering direct flights from DEN to RDU:

  • United operates around 16 direct flights from DEN to RDU every week
  • Frontier Airlines operates around 7 direct flights from DEN to RDU every week

What is the cheapest airline that flies from Denver, CO (DEN-Denver Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
Frontier Airlines is one of the cheapest airlines offering nonstop flights from Denver Intl. (DEN) to Raleigh - Durham Intl. (RDU) with return tickets starting from around $83. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Denver, CO (DEN-Denver Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Denver, CO (DEN-Denver Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
The best airline to fly with from Denver, CO (DEN) to Raleigh, NC (RDU) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. WN offers the most daily flights from DEN to RDU, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Denver, CO (DEN-Denver Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
The best time to fly from Denver (DEN) to Raleigh (RDU) is typically in August or September, with average return flight prices around $306. These months are ideal because they balance lower prices with a good selection of flight options, making it easier for you to find a schedule that fits your plans.*Prices based on flights available on Expedia in the last year.
How many flights per day from Denver, CO (DEN-Denver Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
On average, there are around 5 nonstop flights per day from Denver Intl. (DEN) to Raleigh - Durham Intl. (RDU). For more options, look at flights that include layovers.
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
The earliest flight from Denver (DEN-Denver Intl.) to Raleigh (RDU-Raleigh - Durham Intl.) typically departs at around 12:00 AM, operated by Frontier Airlines. This service is available in August, September, October, and November, and an early departure can help you make the most of your time in Raleigh. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
The most popular departure times for flights from Denver, CO (DEN) to Raleigh, NC (RDU) are in the late morning, from 9am to 12pm. About 27% of passengers prefer this time window. Many major carriers, including American Airlines, United Airlines, and Southwest Airlines, offer flights during this window. This timing is convenient for travelers looking to arrive in Raleigh by early afternoon.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
Direct flights from DEN to RDU usually take about 3 hours 20 minutes, traveling roughly 1,433 miles. If you opt for a connecting flight, expect to add around 2 hours 40 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Denver, CO (DEN-Denver Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
You can fly first class between DEN and RDU. First class cabins are available on:

  • Delta Air Lines
  • American Airlines
  • United Airlines

How much is a business class flight from Denver, CO (DEN-Denver Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
A direct, return business class ticket from Denver (DEN) to Raleigh (RDU) typically costs between $1,350 - $1,882. A non-stop, one-way business class flight is usually around $723 - $1,169. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Denver, CO (DEN-Denver Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Denver, CO (DEN-Denver Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Raleigh from Denver Intl. (DEN)?
If you're planning to travel to Raleigh from Denver Intl. (DEN), you can fly into Raleigh - Durham Intl. (RDU) Some flights may connect through major hubs like Portland Intl. (PDX), Eppley Field (OMA), Tulsa Intl. (TUL) before reaching Raleigh. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Denver, CO (DEN-Denver Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Denver, CO (DEN-Denver Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.) flight and hotel package?
Securing a Denver, CO (DEN-Denver Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.) Raleigh Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver, CO (DEN-Denver Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
If you booked your Denver, CO (DEN-Denver Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

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
$158
Distance
1433 mi
Average flight time
6 hours 25 mins

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*Flight schedules are subject to change.

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