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 156 minutes.

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.

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.

How popular is this Raleigh to Denver flight route?

The Raleigh-Durham to Denver Intl flight path was viewed by 122 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?

JetBlue, Southwest, and Alaska Airlines can get you from Raleigh to Denver in just under 4h 05m. Your travel time can differ by up to 26h 26m. 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 JetBlue, starting at $128 and $157 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 Friday, which is when the least amount of flights are scheduled (2 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 $1,022 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 $98.

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 45m 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.

$95+ Flights from Raleigh to Denver

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Raleigh to Denver with Cheapflights

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

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Raleigh-Durham to Denver Intl are usually found in September or January, 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 10, 2025.

Thu 12/118:37 pmRDU - DEN

1 stop21h 06mFrontier

Fri 1/91:21 pmDEN - RDU

Nonstop3h 20mFrontier

Deal found 12/8

$197

Sun 12/148:42 amRDU - DEN

1 stop15h 07mFrontier

Mon 12/292:42 pmDEN - RDU

1 stop7h 31mFrontier

Deal found 12/7

$203

Tue 12/168:14 pmRDU - DEN

1 stop28h 50mFrontier

Thu 12/1811:59 pmDEN - RDU

1 stop13h 37mFrontier

Deal found 12/8

$208

Mon 12/1512:55 pmRDU - DEN

1 stop10h 43mFrontier

Tue 12/166:00 amDEN - RDU

2 stops16h 12mFrontier

Deal found 12/8

$212

Tue 12/3011:10 amRDU - DEN

1 stop7h 42mJetBlue

Sat 1/311:59 pmDEN - RDU

1 stop7h 00mJetBlue

Deal found 12/8

$221

Tue 12/168:14 pmRDU - DEN

1 stop28h 50mFrontier

Tue 1/66:33 pmDEN - RDU

1 stop20h 19mFrontier

Deal found 12/8

$228

Tue 12/168:15 amRDU - DEN

2 stops16h 49mMultiple Airlines

Tue 1/66:10 amDEN - RDU

1 stop10h 13mMultiple Airlines

Deal found 12/8

$229

Mon 12/227:57 pmRDU - DEN

1 stop27h 52mFrontier

Mon 12/291:21 pmDEN - RDU

Nonstop3h 20mFrontier

Deal found 12/8

$233

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 10, 2025.

Tue 4/71:00 pmRDU - DEN

1 stop11h 17mJetBlue

Tue 4/1410:44 pmDEN - RDU

1 stop7h 16mJetBlue

Deal found 12/8

$263

Sat 1/315:05 amRDU - DEN

Nonstop4h 05mSouthwest

Sun 2/15:30 pmDEN - RDU

Nonstop3h 10mSouthwest

Deal found 12/8

$304

Tue 2/37:04 pmRDU - DEN

1 stop30h 31mAlaska Airlines

Tue 2/107:00 amDEN - RDU

1 stop9h 04mAlaska Airlines

Deal found 12/9

$344

Thu 1/294:07 pmRDU - DEN

Nonstop4h 11mUnited Airlines

Sun 2/15:51 pmDEN - RDU

Nonstop3h 24mUnited Airlines

Deal found 12/9

$357

Sun 5/247:10 amRDU - DEN

1 stop17h 39mDelta

Mon 6/17:00 amDEN - RDU

1 stop13h 01mDelta

Deal found 12/9

$363

Wed 3/186:15 amRDU - DEN

1 stop9h 29mJetBlue

Mon 3/2310:44 pmDEN - RDU

1 stop7h 31mJetBlue

Deal found 12/10

$302

Thu 1/86:50 amRDU - DEN

2 stops10h 40mSouthwest

Mon 1/129:50 amDEN - RDU

2 stops8h 50mSouthwest

Deal found 12/10

$327

Sat 2/214:06 pmRDU - DEN

Nonstop4h 12mUnited Airlines

Wed 2/255:25 pmDEN - RDU

Nonstop3h 17mUnited Airlines

Deal found 12/9

$374

Sun 2/151:30 pmRDU - DEN

1 stop8h 25mSouthwest

Fri 2/2011:45 amDEN - RDU

2 stops6h 25mSouthwest

Deal found 12/8

$358

Fri 3/136:00 amRDU - DEN

1 stop8h 22mJetBlue

Tue 3/1710:44 pmDEN - RDU

1 stop7h 31mJetBlue

Deal found 12/9

$362

Sat 1/174:07 pmRDU - DEN

Nonstop4h 11mUnited Airlines

Sun 1/189:44 amDEN - RDU

Nonstop3h 21mUnited Airlines

Deal found 12/9

$384

Fri 1/236:15 amRDU - DEN

2 stops10h 20mSouthwest

Mon 1/2611:05 amDEN - RDU

2 stops7h 35mSouthwest

Deal found 12/8

$367

Last-minute flights from Raleigh to Denver
Discover last-minute flight deals from Raleigh to Denver. Data last updated December 10, 2025 and is based on user searches.

Sun 1/43:47 pmRDU - DEN

1 stop9h 26mFrontier

Mon 1/121:21 pmDEN - RDU

Nonstop3h 20mFrontier

Deal found 12/9

$141

Sun 1/43:47 pmRDU - DEN

1 stop9h 26mFrontier

Fri 1/91:21 pmDEN - RDU

Nonstop3h 20mFrontier

Deal found 12/10

$146

Mon 1/51:15 pmRDU - DEN

1 stop11h 15mFrontier

Fri 1/91:21 pmDEN - RDU

Nonstop3h 20mFrontier

Deal found 12/10

$145

Tue 1/66:10 amRDU - DEN

1 stop8h 11mFrontier

Mon 2/26:30 amDEN - RDU

1 stop6h 29mFrontier

Deal found 12/9

$137

Tue 1/66:10 amRDU - DEN

2 stops29h 47mFrontier

Mon 1/126:00 amDEN - RDU

1 stop9h 03mFrontier

Deal found 12/9

$147

Wed 1/75:54 pmRDU - DEN

1 stop9h 29mFrontier

Mon 1/121:21 pmDEN - RDU

Nonstop3h 20mFrontier

Deal found 12/8

$142

Thu 1/86:10 amRDU - DEN

2 stops13h 49mFrontier

Sun 1/111:21 pmDEN - RDU

Nonstop3h 20mFrontier

Deal found 12/9

$150

Sat 1/108:56 pmRDU - DEN

1 stop13h 28mFrontier

Mon 1/1211:59 pmDEN - RDU

1 stop11h 59mFrontier

Deal found 12/9

$140

Fri 1/163:22 pmRDU - DEN

1 stop8h 19mFrontier

Sat 1/1712:14 amDEN - RDU

1 stop6h 13mFrontier

Deal found 12/9

$143

Thu 1/221:26 pmRDU - DEN

1 stop9h 12mFrontier

Mon 1/261:21 pmDEN - RDU

Nonstop3h 23mFrontier

Deal found 12/10

$149

Tue 1/277:10 amRDU - DEN

1 stop7h 09mFrontier

Sun 2/11:21 pmDEN - RDU

Nonstop3h 23mFrontier

Deal found 12/8

$138

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 10, 2025.

Tue 1/207:10 amRDU - DEN

2 stops29h 03mFrontier

Deal found 12/9

$95

Mon 1/51:15 pmRDU - DEN

1 stop11h 15mFrontier

Deal found 12/10

$96

Sat 1/1011:47 amRDU - DEN

1 stop13h 12mFrontier

Deal found 12/10

$97

Tue 12/306:14 pmRDU - DEN

1 stop16h 34mFrontier

Deal found 12/9

$98

Sun 1/256:10 amRDU - DEN

1 stop8h 09mFrontier

Deal found 12/10

$99

Sun 1/187:39 pmRDU - DEN

Nonstop4h 10mFrontier

Deal found 12/10

$101

Mon 1/198:16 pmRDU - DEN

2 stops23h 37mMultiple Airlines

Deal found 12/9

$102

Sat 1/175:35 amRDU - DEN

2 stops23h 51mFrontier

Deal found 12/10

$103

Sun 2/229:48 pmRDU - DEN

2 stops38h 32mFrontier

Deal found 12/9

$106

Thu 2/56:14 pmRDU - DEN

2 stops21h 51mFrontier

Deal found 12/10

$107

Fri 2/207:14 pmRDU - DEN

2 stops22h 13mFrontier

Deal found 12/9

$108

Find flight deals from Raleigh to Denver

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$137 (Kiwi.com)
One-way from	$95 (Kiwi.com)
Popular in	June
Cheapest in	September
Average price	$344
Good round-trip deal	$253 or less
Good one-way deal	$160 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. 6% potential increase in price ($22 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 4/7

1:00 pm-10:17 pm

1 stop11h 17m

Denver Intl

Tue 4/14

10:44 pm-8:00 am

1 stop7h 16m

$263

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Wed 3/18

6:15 am-1:44 pm

1 stop9h 29m

Denver Intl

Mon 3/23

10:44 pm-8:15 am

1 stop7h 31m

$302

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Sat 1/31

5:05 am-7:10 am

Nonstop4h 05m

Denver Intl

Sun 2/1

5:30 pm-10:40 pm

Nonstop3h 10m

$304

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Thu 1/8

6:50 am-3:30 pm

2 stops10h 40m

Denver Intl

Mon 1/12

9:50 am-8:40 pm

2 stops8h 50m

$327

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Tue 2/3

7:04 pm-11:35 pm

1 stop30h 31m

Denver Intl

Tue 2/10

7:00 am-6:04 pm

1 stop9h 04m

$344

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Thu 1/29

4:07 pm-6:18 pm

Nonstop4h 11m

Denver Intl

Sun 2/1

5:51 pm-11:15 pm

Nonstop3h 24m

$357

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Sun 2/15

1:30 pm-7:55 pm

1 stop8h 25m

Denver Intl

Fri 2/20

11:45 am-8:10 pm

2 stops6h 25m

$358

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Fri 3/13

6:00 am-12:22 pm

1 stop8h 22m

Denver Intl

Tue 3/17

10:44 pm-8:15 am

1 stop7h 31m

$362

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Sun 5/24

7:10 am-10:49 pm

1 stop17h 39m

Denver Intl

Mon 6/1

7:00 am-10:01 pm

1 stop13h 01m

$363

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Fri 1/23

6:15 am-2:35 pm

2 stops10h 20m

Denver Intl

Mon 1/26

11:05 am-8:40 pm

2 stops7h 35m

$367

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 24 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, January is the cheapest month in which you can book a flight from Raleigh to Denver (average of $91). Flying from Raleigh to Denver in July is currently the most expensive (average of $175). 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

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

7.9

Good

4,253 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Delta

7.9

Good

8,007 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,092 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,048 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Frontier

5.8

Fair

3,085 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 45m 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 122 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?
JetBlue, Southwest, and Alaska Airlines can get you from Raleigh to Denver in just under 4h 05m. Your travel time can differ by up to 26h 26m. 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 JetBlue, starting at $128 and $157 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 $1,022 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 $98.
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, January is the cheapest month in which you can book a flight from Raleigh to Denver (average of $91). Flying from Raleigh to Denver in July is currently the most expensive (average of $175). 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

Black Hawk

Thornton

Westminster

Broomfield

Lakewood

Golden

Winter Park

Greeley

Lone Tree

Cripple Creek

Silverthorne

Central City

Frisco

Wheat Ridge

Manitou Springs

Fort Morgan

Brighton

Longmont

Idaho Springs

Parker

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Raleigh to Denver

Charlotte to Denver flights

Knoxville to Denver flights

Norfolk to Denver flights

Greensboro to Denver flights

Asheville to Denver flights

Charlotte to Vail flights

Charlotte to Colorado Springs flights

Myrtle Beach to Denver flights

Wilmington to Denver flights

Raleigh to Colorado Springs flights

Charlotte to Aspen flights

Charlotte to Montrose flights

Charlotte to Durango flights

Raleigh to Vail flights

Blountville to Denver flights

Knoxville to Colorado Springs flights

Fayetteville to Denver flights

Raleigh to Grand Junction flights

Charlotte to Grand Junction flights

Greensboro to Colorado Springs flights

Norfolk to Colorado Springs flights

Greensboro to Montrose flights

Asheville to Grand Junction flights

Raleigh to Durango flights

Norfolk to Grand Junction flights

Asheville to Colorado Springs flights

Norfolk to Aspen flights

Charlotte to Gunnison flights

Knoxville to Durango flights

Raleigh to Aspen flights

Myrtle Beach to Colorado Springs flights

Knoxville to Grand Junction flights

Norfolk to Vail flights

Greensboro to Durango flights

Greensboro to Aspen flights

Fayetteville to Colorado Springs flights

Raleigh to Gunnison flights

Wilmington to Colorado Springs flights

Asheville to Montrose flights

Knoxville to Aspen flights

Knoxville to Montrose flights

Jacksonville to Denver flights

Knoxville to Vail flights

Norfolk to Durango flights

New Bern to Denver flights

Norfolk to Gunnison flights

Wilmington to Durango flights

Blountville to Grand Junction flights

Blountville to Montrose flights

Complete your trip

Denver car rentals

Denver Intl Airport car rentals

Colorado Springs Airport car rentals

Cheyenne Airport car rentals

Denver Arapahoe Co Airport car rentals

Colorado Springs car rentals

Other flights to Denver

Top 6 airlines flying from Raleigh to Denver

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$106	Average$248	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$138	Average$316	FlexibilityNo cancel fee	On-timeN/A
JetBlue	Cheapest$157	Average$386	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$202	Average$420	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$207	Average$312	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$211	Average$362	FlexibilityNo cancel fee	On-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$95+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Raleigh to Denver with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Raleigh-Durham to Denver Intl are usually found in September or January, 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 10, 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 10, 2025.

Find flight deals from Raleigh to Denver

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

Compare providers for flights from Raleigh to Denver

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 Raleigh to Denver in December.

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.

Cheapflights Insights

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

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

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

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

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

Weekly flight availability from Raleigh to Denver

How often are flights from Raleigh to Denver delayed?

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

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

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

The best insider tips for Raleigh to Denver 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 Raleigh to Denver trip

Airlines

Frontier

United Airlines

Airports

RDU

DEN

Our travel experts

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.

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

How popular is this Raleigh to Denver flight route?

How long is the flight from Raleigh to Denver?

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

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

What are the most reliable airlines from Raleigh to Denver?

What are the cheapest flights from Raleigh to Denver?

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

How can I find direct flights from Raleigh to Denver?

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

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

Traveling to a place near Denver?

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.

Alternative routes for Raleigh to Denver

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Raleigh to Denver

100% Free

Book with Flexibility

Travel Smart

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 10, 2025.