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$99+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — RDU
Jul 14 — Jul 211
Mon 7/14
Mon 7/21
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Raleigh-Durham are usually found in September or February, booked 89 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap 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 July 9, 2025.

Round-trip from

$189
(Cheapflightsfares)

One-way from

$99
(Southwest)

Popular in

December

Cheapest in

September

Average price

$286

Good round-trip deal

$233 or less

Good one-way deal

$157 or less
From Denver Intl to Raleigh-Durham
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One-way flight from Denver Intl to Raleigh-Durham
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Highest demand for flights based on searches. 10% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Denver Intl to Raleigh-Durham.
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Price to beat on a one-way flight from Denver Intl to Raleigh-Durham.
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Find 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 July 9, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/611:04 amDEN - RDU
Nonstop3h 26mFrontier
Sun 11/95:15 pmRDU - DEN
Nonstop4h 05mFrontier
Deal found 7/7$186
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/611:50 amDEN - RDU
Nonstop3h 20mSouthwest
Wed 8/131:30 pmRDU - DEN
1 stop8h 30mSouthwest
Deal found 7/7$191
This United Airlines deal was found by Cheapflights users on 7/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1311:50 pmDEN - RDU
Nonstop3h 25mUnited Airlines
Sun 8/177:00 amRDU - DEN
Nonstop3h 51mUnited Airlines
Deal found 7/6$207
This Delta deal was found by Cheapflights users on 7/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2910:41 amDEN - RDU
1 stop7h 56mDelta
Thu 9/411:57 amRDU - DEN
1 stop8h 49mDelta
Deal found 7/9$237

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 July 9, 2025.
Use the filters below to find and compare flights from Denver to Raleigh that are best for you.

Fly from

Denver

Fly to

Raleigh

Route

Depart

Return

Price

DenverRaleigh

DEN - RDU

DENRDU

Denver Intl

Thu 8/7

11:05 am-4:38 pm

Nonstop3h 33m

Raleigh-Durham

Sun 8/10

5:23 pm-7:17 pm

Nonstop3h 54m

$189

DenverRaleigh

DEN - RDU

DENRDU

Denver Intl

Wed 8/6

11:50 am-5:10 pm

Nonstop3h 20m

Raleigh-Durham

Wed 8/13

1:30 pm-8:00 pm

1 stop8h 30m

$191

DenverRaleigh

DEN - RDU

DENRDU

Denver Intl

Wed 8/13

11:50 pm-5:15 am

Nonstop3h 25m

Raleigh-Durham

Sun 8/17

7:00 am-8:51 am

Nonstop3h 51m

$207

DenverRaleigh

DEN - RDU

DENRDU

Denver Intl

Fri 8/29

10:41 am-8:37 pm

1 stop7h 56m

Raleigh-Durham

Thu 9/4

11:57 am-6:46 pm

1 stop8h 49m

$237

DenverRaleigh

DEN - RDU

DENRDU

Denver Intl

Tue 9/9

11:50 am-5:10 pm

Nonstop3h 20m

$99

DenverRaleigh

DEN - RDU

DENRDU

Denver Intl

Thu 7/31

11:05 am-4:38 pm

Nonstop3h 33m

$103

DenverRaleigh

DEN - RDU

DENRDU

Denver Intl

Tue 8/26

11:20 am-9:52 pm

1 stop8h 32m

$104

DenverRaleigh

DEN - RDU

DENRDU

Denver Intl

Tue 7/29

12:55 am-8:44 am

1 stop5h 49m

$129

DenverRaleigh

DEN - RDU

DENRDU

Denver Intl

Fri 8/22

6:15 pm-6:31 pm

2 stops22h 16m

$142

DenverRaleigh

DEN - RDU

DENRDU

Denver Intl

Sat 8/9

6:10 am-3:28 pm

2 stops7h 18m

$154

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/7

The best insider tips for Denver to Raleigh flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Denver to Raleigh trip
Airports
DEN

Consider using the A Line train for a quick 37-minute ride from DIA to Union Station, avoiding traffic and parking hassles.

Read more about DENby Emily Zemler
RDU

For a smooth arrival at RDU, domestic passengers can easily access baggage claim and pickup zones from Terminal 1.

Read more about RDUby John Walton
Our travel experts
John Walton

John Walton

Expert on RDU

John Walton

John Walton

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 Zemler

Emily Zemler

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

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 June 27, 2025.

Booking 89 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, August is the cheapest month in which you can book a flight from Denver to Raleigh (average of $206). Flying from Denver to Raleigh in March is currently the most expensive (average of $293). 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 July 9, 2025.

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 41% 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 July 6, 2025.

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

Weekly flight availability from Denver to Raleigh

Explore weekly flight availability from Denver to Raleigh. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 9, 2025.

The most flights from DEN to RDU are scheduled on a Tuesday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

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 July 9, 2025.
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
4,252 reviews

Entertainment

7.6

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,252 reviews
Southwest
8.0
Very good
4,252 reviews

Entertainment

7.6

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,954 reviews
Southwest
8.0
Very good
4,252 reviews

Entertainment

7.6

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,842 reviews
Southwest
8.0
Very good
4,252 reviews

Entertainment

7.6

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,252 reviews

Entertainment

7.6

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Frontier
5.9
Fair
3,271 reviews
Southwest
8.0
Very good
4,252 reviews

Entertainment

7.6

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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 are 3 flights 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 10m 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 26 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    According to our current data, Frontier ($189), Southwest ($191), and United Airlines ($207) offers the cheapest pricing from Denver to Raleigh. Frontier is priced at 34% 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 $99 on Southwest. Other airlines that offer cheap prices include Frontier from $103 and United Airlines from $104 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 Frontier (76%), United Airlines (72%) or Southwest (58%) 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 $98. On average you can expect to pay $256. The most popular route, (Denver Intl - Raleigh-Durham), can usually be booked for $149.

  • 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, August is the cheapest month in which you can book a flight from Denver to Raleigh (average of $206). Flying from Denver to Raleigh in March is currently the most expensive (average of $293). 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 Denver?

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

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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 July 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$256FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$166Average$286FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$172Average$377FlexibilityNo cancel feeOn-time69%
DeltaCheapest$216Average$293FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$218Average$358FlexibilityNo cancel feeOn-time63%

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