How often are flights from Raleigh to Denver delayed?

About 15% of weekly flights between Raleigh and Denver have experienced delays in the past year, with the average delay time being 155 minutes.

What is the most punctual flight time for Raleigh to Denver flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

Which airline has the best punctuality record on Raleigh to Denver flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.

What day of the week experiences the fewest flight delays on this route?

Sunday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

How popular is this Raleigh to Denver flight route?

The Raleigh-Durham to Denver Intl flight path was viewed by 123 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 Raleigh to Denver?

Delta, Southwest, and United Airlines can get you from Raleigh to Denver in just under 4h 05m. Your travel time can differ by up to 2h 20m. The distance between Raleigh and Denver is about 1432 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

Our cheapest airline available from Raleigh to Denver is Frontier. Our recent data shows that you can find tickets from as low as $97 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $128 and $173 round-trip. Frontier is priced at 69% lower than the current average price of a flight leaving 3 months from now.

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

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $62. American Airlines flights start at $108 while deals on Southwest start at $108 one-way.

Weekly flight availability from Raleigh to Denver

The most flights from RDU to DEN 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).

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What are the cheapest flights from Raleigh to Denver?

On average you can expect to pay $951 for a flight from Raleigh to Denver. The cheapest flight overall is $86 while the most popular route, (Raleigh-Durham - Denver Intl) is currently priced at $143.

What are the most reliable airlines from Raleigh to Denver?

No one likes to see their flight delayed. When booking a flight from Raleigh to Denver consider choosing United Airlines (91%), Frontier (81%) or Southwest (67%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Raleigh to Denver?

The most popular airlines flying from Raleigh to Denver are Frontier, United Airlines and Southwest. Something to consider prior to booking your flight.

Most accurate provider : When it comes to deals on Raleigh-Denver flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Raleigh-Denver flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Raleigh-Denver flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Raleigh-Denver flights, Cheapflights users trust CheapOair the most. CheapOair 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 Raleigh-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

If you book a flight from Raleigh to Denver, you will be flying from Raleigh-Durham to Denver Intl. Flights to Denver Intl (DEN) from Raleigh-Durham (RDU) take 3h 50m for a nonstop flight. There are 4 flights from Raleigh-Durham to Denver per day from 6 airlines.

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

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

How can I find direct flights from Raleigh to Denver?

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

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

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

$99+ Flights from Raleigh to Denver

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheapflights Tip: The best prices from Raleigh-Durham to Denver Intl are usually found in January or September, booked 62 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap flight deals from Raleigh to Denver

Cheapest flights from Raleigh to Denver
Explore the most affordable flight options available from Raleigh to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.

Fri 12/126:26 pmRDU - DEN

Nonstop4h 14mFrontier

Sun 12/146:00 amDEN - RDU

1 stop28h 47mFrontier

Deal found 12/3

$143

Tue 12/98:15 amRDU - DEN

2 stops27h 40mFrontier

Fri 12/1212:11 pmDEN - RDU

Nonstop3h 20mFrontier

Deal found 12/1

$144

Fri 12/126:26 pmRDU - DEN

Nonstop4h 14mFrontier

Tue 12/166:00 amDEN - RDU

2 stops16h 12mFrontier

Deal found 12/3

$146

Wed 12/108:14 pmRDU - DEN

1 stop14h 10mFrontier

Fri 12/1212:11 pmDEN - RDU

Nonstop3h 20mFrontier

Deal found 12/2

$149

Sun 12/146:26 pmRDU - DEN

Nonstop4h 14mFrontier

Sun 1/111:21 pmDEN - RDU

Nonstop3h 20mFrontier

Deal found 12/1

$153

Sun 12/148:42 amRDU - DEN

1 stop15h 07mFrontier

Tue 12/1612:59 amDEN - RDU

1 stop21h 13mFrontier

Deal found 12/1

$155

Tue 12/98:15 amRDU - DEN

2 stops27h 40mFrontier

Sun 12/146:00 amDEN - RDU

1 stop28h 47mFrontier

Deal found 12/1

$157

Best flights from Raleigh to Denver
Discover carefully curated flight deals from Raleigh to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 3, 2025.

Tue 1/61:01 pmRDU - DEN

1 stop6h 25mDelta

Wed 1/1412:00 pmDEN - RDU

1 stop5h 49mDelta

Deal found 12/2

$217

Thu 1/85:30 pmRDU - DEN

Nonstop4h 05mSouthwest

Tue 1/1310:40 amDEN - RDU

Nonstop3h 10mSouthwest

Deal found 12/2

$232

Wed 2/44:07 pmRDU - DEN

Nonstop4h 11mUnited Airlines

Sat 2/79:40 amDEN - RDU

Nonstop3h 21mUnited Airlines

Deal found 12/2

$243

Wed 1/215:30 amRDU - DEN

1 stop6h 38mDelta

Sun 1/2512:30 amDEN - RDU

1 stop6h 22mDelta

Deal found 12/1

$237

Sat 2/74:07 pmRDU - DEN

Nonstop4h 11mUnited Airlines

Sat 2/145:25 pmDEN - RDU

Nonstop3h 17mUnited Airlines

Deal found 12/3

$243

Wed 2/43:04 pmRDU - DEN

1 stop6h 24mDelta

Tue 2/107:05 amDEN - RDU

1 stop6h 39mDelta

Deal found 12/1

$237

Wed 1/215:30 pmRDU - DEN

Nonstop4h 05mSouthwest

Mon 1/2610:40 amDEN - RDU

Nonstop3h 10mSouthwest

Deal found 12/2

$268

Sat 1/248:03 amRDU - DEN

Nonstop4h 10mUnited Airlines

Thu 1/299:44 amDEN - RDU

Nonstop3h 21mUnited Airlines

Deal found 12/2

$261

Tue 2/310:00 amRDU - DEN

1 stop7h 52mUnited Airlines

Wed 2/45:51 pmDEN - RDU

Nonstop3h 24mUnited Airlines

Deal found 12/2

$271

Sat 2/214:06 pmRDU - DEN

Nonstop4h 12mUnited Airlines

Wed 2/253:36 pmDEN - RDU

1 stop6h 08mUnited Airlines

Deal found 12/2

$271

Thu 1/298:03 amRDU - DEN

Nonstop4h 10mUnited Airlines

Sun 2/15:51 pmDEN - RDU

Nonstop3h 24mUnited Airlines

Deal found 12/3

$279

Last-minute flights from Raleigh to Denver
Discover last-minute flight deals from Raleigh to Denver. Data last updated December 3, 2025 and is based on user searches.

Tue 12/98:15 amRDU - DEN

2 stops27h 40mFrontier

Fri 12/1212:11 pmDEN - RDU

Nonstop3h 20mFrontier

Deal found 12/1

$144

Wed 12/108:14 pmRDU - DEN

1 stop14h 10mFrontier

Fri 12/1212:11 pmDEN - RDU

Nonstop3h 20mFrontier

Deal found 12/2

$149

Fri 12/126:26 pmRDU - DEN

Nonstop4h 14mFrontier

Sun 12/146:00 amDEN - RDU

1 stop28h 47mFrontier

Deal found 12/3

$143

Wed 1/75:54 pmRDU - DEN

1 stop9h 29mFrontier

Sun 1/111:21 pmDEN - RDU

Nonstop3h 20mFrontier

Deal found 12/2

$147

Fri 1/97:36 pmRDU - DEN

Nonstop4h 13mFrontier

Sun 1/1110:29 pmDEN - RDU

2 stops40h 44mFrontier

Deal found 12/2

$148

Wed 1/145:58 pmRDU - DEN

1 stop9h 39mFrontier

Sat 1/1712:14 amDEN - RDU

1 stop6h 13mFrontier

Deal found 12/2

$146

Thu 1/154:35 pmRDU - DEN

1 stop21h 19mFrontier

Tue 1/2011:40 amDEN - RDU

2 stops34h 11mFrontier

Deal found 12/3

$151

Fri 1/167:39 pmRDU - DEN

Nonstop4h 10mFrontier

Mon 1/196:00 amDEN - RDU

1 stop12h 37mFrontier

Deal found 12/3

$150

Sat 1/175:35 amRDU - DEN

1 stop8h 46mFrontier

Sat 1/246:00 amDEN - RDU

1 stop15h 56mFrontier

Deal found 12/3

$141

Sun 1/189:22 amRDU - DEN

1 stop14h 04mFrontier

Sat 1/246:00 amDEN - RDU

1 stop15h 56mFrontier

Deal found 12/3

$139

Thu 1/2910:43 amRDU - DEN

1 stop8h 13mFrontier

Sun 2/11:21 pmDEN - RDU

Nonstop3h 23mFrontier

Deal found 12/2

$145

One-way flights from Raleigh to Denver
Search for one-way flight options from Raleigh to Denver. Find affordable one-way fares based on user searches. Data last updated December 3, 2025.

Sat 2/2810:48 amRDU - DEN

2 stops12h 33mFrontier

Deal found 12/2

$99

Tue 1/205:30 pmRDU - DEN

Nonstop4h 05mSouthwest

Deal found 12/3

$100

Fri 1/93:38 pmRDU - DEN

2 stops20h 24mFrontier

Deal found 12/3

$101

Sun 2/19:56 pmRDU - DEN

2 stops40h 07mMultiple Airlines

Deal found 12/2

$102

Sat 1/246:00 amRDU - DEN

2 stops13h 53mMultiple Airlines

Deal found 12/3

$103

Mon 12/156:26 pmRDU - DEN

Nonstop4h 14mFrontier

Deal found 12/1

$104

Mon 1/195:58 pmRDU - DEN

2 stops20h 21mFrontier

Deal found 12/1

$105

Thu 1/89:46 pmRDU - DEN

2 stops46h 17mFrontier

Deal found 12/2

$106

Sat 2/2110:48 amRDU - DEN

2 stops12h 33mFrontier

Deal found 12/2

$107

Thu 1/159:22 amRDU - DEN

2 stops12h 30mFrontier

Deal found 12/2

$108

Sun 1/189:22 amRDU - DEN

2 stops13h 51mFrontier

Deal found 12/2

$109

Fri 2/138:00 pmRDU - DEN

1 stop6h 30mUnited Airlines

Deal found 12/2

$110

Find flight deals from Raleigh to Denver

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$139 (Kiwi.com)
One-way from	$99 (Kiwi.com)
Popular in	June
Cheapest in	January
Average price	$363
Good round-trip deal	$245 or less
Good one-way deal	$155 or less

Provider with most accurate pricing for Raleigh-Durham-Denver Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Raleigh-Durham-Denver Intl flights.

Search Deals

From Raleigh-Durham to Denver Intl

Search Deals

One-way flight from Raleigh-Durham to Denver Intl

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($24 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Raleigh-Durham to Denver Intl.

Search Deals

Price to beat on a one-way flight from Raleigh-Durham to Denver Intl.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Tue 1/6

1:01 pm-5:26 pm

1 stop6h 25m

Denver Intl

Wed 1/14

12:00 pm-7:49 pm

1 stop5h 49m

$217

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Thu 1/8

5:30 pm-7:35 pm

Nonstop4h 05m

Denver Intl

Tue 1/13

10:40 am-3:50 pm

Nonstop3h 10m

$232

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Wed 1/21

5:30 am-10:08 am

1 stop6h 38m

Denver Intl

Sun 1/25

12:30 am-8:52 am

1 stop6h 22m

$237

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Wed 2/4

3:04 pm-7:28 pm

1 stop6h 24m

Denver Intl

Tue 2/10

7:05 am-3:44 pm

1 stop6h 39m

$237

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Wed 2/4

4:07 pm-6:18 pm

Nonstop4h 11m

Denver Intl

Sat 2/7

9:40 am-3:01 pm

Nonstop3h 21m

$243

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Sat 2/7

4:07 pm-6:18 pm

Nonstop4h 11m

Denver Intl

Sat 2/14

5:25 pm-10:42 pm

Nonstop3h 17m

$243

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Sat 1/24

8:03 am-10:13 am

Nonstop4h 10m

Denver Intl

Thu 1/29

9:44 am-3:05 pm

Nonstop3h 21m

$261

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Wed 1/21

5:30 pm-7:35 pm

Nonstop4h 05m

Denver Intl

Mon 1/26

10:40 am-3:50 pm

Nonstop3h 10m

$268

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Tue 2/3

10:00 am-3:52 pm

1 stop7h 52m

Denver Intl

Wed 2/4

5:51 pm-11:15 pm

Nonstop3h 24m

$271

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Sat 2/21

4:06 pm-6:18 pm

Nonstop4h 12m

Denver Intl

Wed 2/25

3:36 pm-11:44 pm

1 stop6h 08m

$271

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 21 results

Compare providers for flights from Raleigh to Denver

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Raleigh to Denver in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star
CheapOair	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Kiwi.com	Price Accuracy3 stars	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*1 star

*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 Raleigh-Denver flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Raleigh-Denver flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Raleigh-Denver flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Raleigh-Denver flights, Cheapflights users trust CheapOair the most. CheapOair 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 Raleigh-Denver 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 Raleigh to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Raleigh 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 Raleigh to Denver

Prices

Airlines

Delays

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

To ensure you get the cheapest price possible for a flight from Raleigh to Denver, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, February is the cheapest month in which you can book a flight from Raleigh to Denver (average of $93). Flying from Raleigh to Denver in July is currently the most expensive (average of $176). 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 RDU to DEN?

Unlike in the morning, when flights are generally more expensive, you can save up to 39% on flights from Raleigh to Denver by exploring options for tickets in the evening.

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

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

The best insider tips for Raleigh to Denver flights

Cheapflights partnered with top experts to bring you the best recommendations for your Raleigh to Denver trip

Airlines

Frontier

Frontier's UpFront Plus offers a guaranteed empty middle seat for added comfort.

Early check-in can help secure your place onboard due to frequent overbooking.

United Airlines

United's Economy Plus offers extra legroom towards the front of the economy cabin.

United's MileagePlus allows pooling miles for family or friends' tickets.

Airports

RDU

RDU offers free Wi-Fi throughout the terminals. Connect to the 'RDU Free WiFi' network for seamless browsing before your flight.

DEN

Take the A Line train from DEN to Union Station for a quick 37-minute ride into downtown Denver, running every 15 minutes.

Our travel experts

Marisa Garcia

Expert on Frontier

Harriet Baskas

Expert on United Airlines

John Walton

Expert on RDU

Emily Zemler

Expert on DEN

Reviews of airlines servicing Denver

Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Raleigh to Denver. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,253 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Southwest

8.0

Very good

4,253 reviews

Southwest

8.0

Very good

4,253 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Delta

7.9

Good

8,011 reviews

Southwest

8.0

Very good

4,253 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

United Airlines

7.4

Good

9,063 reviews

Southwest

8.0

Very good

4,253 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

American Airlines

7.2

Good

11,045 reviews

Southwest

8.0

Very good

4,253 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Frontier

5.8

Fair

3,094 reviews

Southwest

8.0

Very good

4,253 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

What airports do I use to fly from Raleigh to Denver?
If you book a flight from Raleigh to Denver, you will be flying from Raleigh-Durham to Denver Intl. Flights to Denver Intl (DEN) from Raleigh-Durham (RDU) take 3h 50m for a nonstop flight. There are 4 flights from Raleigh-Durham to Denver per day from 6 airlines.
How popular is this Raleigh to Denver flight route?
The Raleigh-Durham to Denver Intl flight path was viewed by 123 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 Raleigh to Denver?
Delta, Southwest, and United Airlines can get you from Raleigh to Denver in just under 4h 05m. Your travel time can differ by up to 2h 20m. The distance between Raleigh and Denver is about 1432 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from Raleigh to Denver round-trip?
Our cheapest airline available from Raleigh to Denver is Frontier. Our recent data shows that you can find tickets from as low as $97 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $128 and $173 round-trip. Frontier is priced at 69% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Raleigh to Denver one-way?
To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $62. American Airlines flights start at $108 while deals on Southwest start at $108 one-way.
What are the most reliable airlines from Raleigh to Denver?
No one likes to see their flight delayed. When booking a flight from Raleigh to Denver consider choosing United Airlines (91%), Frontier (81%) or Southwest (67%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Raleigh to Denver?
On average you can expect to pay $951 for a flight from Raleigh to Denver. The cheapest flight overall is $86 while the most popular route, (Raleigh-Durham - Denver Intl) is currently priced at $143.
Can I find deals for flights from Raleigh to Denver that include hotel bookings?
Yes. In addition to deals on Raleigh to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Raleigh to Denver?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Raleigh to Denver.
Can I find deals for business class flights from Raleigh to Denver?
Yes. Cheapflights offers flight deals from Raleigh to Denver 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 Raleigh to Denver?
Currently, February is the cheapest month in which you can book a flight from Raleigh to Denver (average of $93). Flying from Raleigh to Denver in July is currently the most expensive (average of $176). 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

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Other flights to Denver

Top 6 airlines flying from Raleigh to Denver

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$105	Average$249	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$138	Average$314	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$201	Average$421	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$207	Average$312	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$211	Average$363	FlexibilityNo cancel fee	On-time63%
JetBlue	Cheapest$244	Average$386	FlexibilityNo cancel fee	On-time62%

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$99+ Cheap flights from Raleigh to Denver (RDU - DEN)

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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Raleigh-Durham to Denver Intl are usually found in January or September, booked 62 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap flight deals from Raleigh to Denver

Cheapest flights from Raleigh to DenverExplore the most affordable flight options available from Raleigh to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.

Explore the most affordable flight options available from Raleigh to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.

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Best time to book a flight from Raleigh to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Raleigh with our price prediction graph.

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

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Airlines

Frontier

United Airlines

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RDU

DEN

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Reviews of airlines servicing Denver

Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Raleigh to Denver. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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Top 6 airlines flying from Raleigh to Denver

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Cheapest flights from Raleigh to Denver
Explore the most affordable flight options available from Raleigh to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.