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$86+ Cheap flights from Denver to Raleigh (DEN - RDU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — RDU
Apr 4 — Apr 111
Sat 4/4
Sat 4/11
1 adult, Economy
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Find cheap flights from Denver to Raleigh with Cheapflights

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Cheapflights Tip: The best prices from Denver Intl to Raleigh-Durham are usually found in September or January, booked 31 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap flight deals from Denver to Raleigh

Cheapest flights from Denver to Raleigh
Explore the most affordable flight options available from Denver to Raleigh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 5, 2026.

This Frontier deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:40 pm
DEN
-
RDU
Nonstop3h 22m
Frontier
Mon 4/209:49 pm
RDU
-
DEN
Nonstop4h 10m
Frontier
Deal found 3/1$133
This Kiwi.com deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/233:45 pm
DEN
-
RDU
Nonstop3h 19m
Frontier
Mon 4/273:42 pm
RDU
-
DEN
1 stop22h 32m
Frontier
Deal found 3/4$134
This Super.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2412:30 pm
DEN
-
RDU
Nonstop3h 18m
Frontier
Wed 3/256:43 pm
RDU
-
DEN
Nonstop4h 12m
Frontier
Deal found 3/3$136
This Frontier deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:40 pm
DEN
-
RDU
Nonstop3h 22m
Frontier
Tue 4/217:35 pm
RDU
-
DEN
Nonstop3h 59m
Frontier
Deal found 3/5$137
This Frontier deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/163:45 pm
DEN
-
RDU
Nonstop3h 19m
Frontier
Mon 4/209:49 pm
RDU
-
DEN
Nonstop4h 10m
Frontier
Deal found 3/3$138
This Super.com deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:59 pm
DEN
-
RDU
1 stop8h 10m
Frontier
Sun 4/199:49 pm
RDU
-
DEN
Nonstop4h 10m
Frontier
Deal found 3/5$139
This Frontier deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1211:59 pm
DEN
-
RDU
1 stop6h 47m
Frontier
Sat 4/259:49 pm
RDU
-
DEN
Nonstop4h 10m
Frontier
Deal found 3/4$140
This Kiwi.com deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/13:45 pm
DEN
-
RDU
Nonstop3h 19m
Frontier
Sun 5/310:44 am
RDU
-
DEN
1 stop15h 00m
Frontier
Deal found 3/1$142
This Kiwi.com deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1711:59 pm
DEN
-
RDU
1 stop7h 07m
Frontier
Tue 4/214:00 pm
RDU
-
DEN
1 stop8h 29m
Frontier
Deal found 3/1$143
This Frontier deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:09 pm
DEN
-
RDU
1 stop7h 46m
Frontier
Tue 4/214:00 pm
RDU
-
DEN
1 stop8h 29m
Frontier
Deal found 3/3$144
This Kiwi.com deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/111:59 pm
DEN
-
RDU
1 stop6h 47m
Frontier
Thu 4/96:47 pm
RDU
-
DEN
Nonstop4h 06m
Frontier
Deal found 3/2$145
This Frontier deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/319:25 am
DEN
-
RDU
1 stop10h 29m
Frontier
Mon 4/66:43 pm
RDU
-
DEN
Nonstop4h 06m
Frontier
Deal found 3/3$146

Find flight deals from Denver to Raleigh

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Raleigh (RDU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$133
(Frontier)

One-way from

$85
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$276

Good round-trip deal

$202 or less

Good one-way deal

$131 or less
Provider with most accurate pricing for Denver Intl-Raleigh-Durham flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Raleigh-Durham flights.
Search Deals
From Denver Intl to Raleigh-Durham
Search Deals
One-way flight from Denver Intl to Raleigh-Durham
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Denver Intl to Raleigh-Durham.
Search Deals
Price to beat on a one-way flight from Denver Intl to Raleigh-Durham.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Raleigh that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 5, 2026.
Use the filters below to find and compare flights from Denver to Raleigh that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverRaleigh

DEN - RDU

DENRDU

Denver Intl

Tue 4/21

1:15 pm-9:35 pm

2 stops6h 20m

Raleigh-Durham

Tue 4/28

6:50 am-2:05 pm

2 stops9h 15m

$267

DenverRaleigh

DEN - RDU

DENRDU

Denver Intl

Thu 4/30

12:35 am-8:49 am

1 stop6h 14m

Raleigh-Durham

Sun 5/10

6:00 am-10:20 am

1 stop6h 20m

$298

DenverRaleigh

DEN - RDU

DENRDU

Denver Intl

Fri 4/10

5:50 pm-11:19 pm

Nonstop3h 29m

Raleigh-Durham

Mon 4/13

4:18 pm-6:25 pm

Nonstop4h 07m

$337

DenverRaleigh

DEN - RDU

DENRDU

Denver Intl

Mon 4/13

12:55 pm-10:15 pm

2 stops7h 20m

Raleigh-Durham

Fri 4/24

2:00 pm-7:50 pm

2 stops7h 50m

$337

DenverRaleigh

DEN - RDU

DENRDU

Denver Intl

Mon 3/16

5:45 pm-11:01 pm

Nonstop3h 16m

Raleigh-Durham

Thu 3/19

8:00 am-10:12 am

Nonstop4h 12m

$377

DenverRaleigh

DEN - RDU

DENRDU

Denver Intl

Thu 4/9

10:30 am-3:45 pm

Nonstop3h 15m

Raleigh-Durham

Thu 4/9

6:15 pm-8:10 pm

Nonstop3h 55m

$377

DenverRaleigh

DEN - RDU

DENRDU

Denver Intl

Mon 3/30

1:40 pm-10:50 pm

2 stops7h 10m

Raleigh-Durham

Mon 4/6

6:10 am-11:05 am

2 stops6h 55m

$387

DenverRaleigh

DEN - RDU

DENRDU

Denver Intl

Wed 4/15

11:45 am-8:55 pm

2 stops7h 10m

Raleigh-Durham

Mon 4/20

2:00 pm-7:50 pm

2 stops7h 50m

$387

DenverRaleigh

DEN - RDU

DENRDU

Denver Intl

Thu 4/2

1:40 pm-10:50 pm

2 stops7h 10m

Raleigh-Durham

Mon 4/6

6:10 am-11:05 am

2 stops6h 55m

$397

DenverRaleigh

DEN - RDU

DENRDU

Denver Intl

Sat 4/18

10:15 am-6:55 pm

2 stops6h 40m

Raleigh-Durham

Sat 4/25

8:00 am-1:40 pm

2 stops7h 40m

$403

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/1

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Denver to Raleigh

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Raleigh in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Raleigh flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Raleigh flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Raleigh flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Raleigh flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Raleigh flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Raleigh

Have a flexible travel schedule? Discover the best time to fly to Raleigh from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to Raleigh

How far ahead should I book a flight from Denver to Raleigh?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Raleigh. Price data was last updated on February 27, 2026.

Booking 31 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to Raleigh. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Denver to Raleigh?

Currently, September is the cheapest month in which you can book a flight from Denver to Raleigh (average of $75). Flying from Denver to Raleigh in June is currently the most expensive (average of $186). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to RDU?

Find hourly flight availability from Denver to Raleigh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 5, 2026.

One of the essential ways to save on airfare from Denver to Raleigh is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 23% on airfare.

What is the cheapest day to fly from Denver to Raleigh?

Use this chart to determine the cheapest time to fly round-trip from Denver to Raleigh. Price data was last updated on February 21, 2026.

Travelers seeking maximum savings on their Denver to Raleigh flight should consider departing on Thursday at noon when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Denver to Raleigh flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Denver to Raleigh trip
Our travel experts
John Walton

John Walton

Expert on RDU

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more
Emily Zemler

Emily Zemler

Expert on DEN

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more

Reviews of airlines servicing Raleigh

Get insights into the airlines that provide service to Raleigh. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Raleigh. Reviews last updated March 5, 2026.
Read through reviews of airlines operating flights from Denver to Raleigh, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,308 reviews

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
Southwest
8.0
Very good
4,308 reviews
Southwest
8.0
Very good
4,308 reviews

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
Delta
7.9
Good
8,250 reviews
Southwest
8.0
Very good
4,308 reviews

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
United Airlines
7.4
Good
9,388 reviews
Southwest
8.0
Very good
4,308 reviews

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
American Airlines
7.1
Good
11,382 reviews
Southwest
8.0
Very good
4,308 reviews

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
Frontier
5.7
Fair
3,041 reviews
Southwest
8.0
Very good
4,308 reviews

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Related info for your journey

Find useful and relevant information for your journey from Denver to Raleigh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Denver to Raleigh?

    If you wish to fly to Raleigh from Denver, then you need to book flights from Denver Intl to Raleigh-Durham. There is 1 flight from Denver Intl (DEN) to Raleigh-Durham (RDU) per day to choose from. Flights to Raleigh from Denver Intl are available from 5 different airlines, which means you should have some options if you want to compare airfare deals. 3h 15m is how long a nonstop flight from Denver to Raleigh-Durham typically takes.

  • How popular is this Denver to Raleigh flight route?

    The Denver Intl to Raleigh-Durham flight path was viewed by 41 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Denver to Raleigh?

    United Airlines, Southwest, and Delta can get you from Denver to Raleigh in just under 3h 29m. Your travel time can differ by up to 2h 51m. The distance between Denver and Raleigh is about 1432 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Denver to Raleigh round-trip?

    According to our current data, Frontier ($111), Delta ($138), and United Airlines ($169) offers the cheapest pricing from Denver to Raleigh. Frontier is priced at 61% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Denver to Raleigh one-way?

    One-way options have recently been found by users for as low as $64 on Frontier. Other airlines that offer cheap prices include Southwest from $98 and American Airlines from $108 one-way.

  • What are the most reliable airlines from Denver to Raleigh?

    No one likes to see their flight delayed. When booking a flight from Denver to Raleigh consider choosing Volaris (100%), Frontier (89%) or United Airlines (84%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Denver to Raleigh?

    The cheapest flight price from Denver to Raleigh is $84. On average you can expect to pay $358. The most popular route, (Denver Intl - Raleigh-Durham), can usually be booked for $129.

  • Can I find deals for flights from Denver to Raleigh that include hotel bookings?

    Yes. In addition to deals on Denver to Raleigh flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Raleigh?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Raleigh.

  • Can I find deals for business class flights from Denver to Raleigh?

    Yes. Cheapflights offers flight deals from Denver to Raleigh by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to Raleigh?

    Currently, September is the cheapest month in which you can book a flight from Denver to Raleigh (average of $75). Flying from Denver to Raleigh in June is currently the most expensive (average of $186). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Raleigh?

Book flights to Raleigh if you plan to visit one of these locations
Rocky Mount
Smithfield
Goldsboro
Garner
Danville
Cary
Selma
Henderson
Chapel Hill
Morrisville
Wilson
Pinehurst
Dunn
Wake Forest
South Hill
Holly Springs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Denver to Raleigh

Discover the top 5 airlines that operate flights from Denver to Raleigh. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$111Average$256FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$297FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$169Average$366FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$211Average$289FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$217Average$370FlexibilityNo cancel feeOn-time63%

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