HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Colorado

$108+ Cheap flights from Raleigh (RDU) to Colorado

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — DEN
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Raleigh to Colorado 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.

Cheap flight deals from Raleigh to Colorado

Keep the following information in mind while searching for Raleigh to Colorado flight deals. Data was last updated April 17, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$180
(Frontier)

One-way from

$108
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$298

Good round-trip deal

$275 or less

Good one-way deal

$153 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 Colorado
Search Deals
One-way flight from Raleigh-Durham to Colorado
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Raleigh-Durham to Colorado.
Search Deals
Price to beat on a one-way flight from Raleigh-Durham to Colorado.
Search Deals

Find flight deals from Raleigh to Colorado

Cheapest flights from Raleigh to Colorado
Explore the most affordable flight options available from Raleigh to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This Frontier deal was found by Cheapflights users on 4/17. 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 5/75:37 pmRDU - DEN
Nonstop4h 04mFrontier
Mon 5/1210:55 amDEN - RDU
Nonstop3h 33mFrontier
Deal found 4/17$180
This Justfly.com deal was found by Cheapflights users on 4/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/75:37 pmRDU - DEN
Nonstop4h 04mMultiple Airlines
Fri 5/96:30 pmDEN - RDU
1 stop14h 18mMultiple Airlines
Deal found 4/17$187
This Sun Country Air deal was found by Cheapflights users on 4/17. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/77:55 pmRDU - DEN
1 stop15h 24mSun Country Air
Wed 6/116:07 pmDEN - RDU
1 stop21h 22mSun Country Air
Deal found 4/17$215
This Southwest deal was found by Cheapflights users on 4/17. 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 5/286:55 pmRDU - DEN
Nonstop3h 50mSouthwest
Sat 6/77:50 amDEN - RDU
Nonstop3h 15mSouthwest
Deal found 4/17$217
This Delta deal was found by Cheapflights users on 4/17. 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.
Wed 5/285:25 amRDU - DEN
1 stop7h 36mDelta
Sat 5/314:06 pmDEN - RDU
1 stop5h 09mDelta
Deal found 4/17$237
This JetBlue deal was found by Cheapflights users on 4/17. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/96:00 amRDU - DEN
1 stop9h 43mJetBlue
Mon 5/1211:59 pmDEN - RDU
1 stop7h 00mJetBlue
Deal found 4/17$265
This American Airlines deal was found by Cheapflights users on 4/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/217:29 pmRDU - DEN
1 stop5h 30mAmerican Airlines
Sun 5/2511:59 pmDEN - RDU
1 stop6h 26mAmerican Airlines
Deal found 4/17$300
This Delta deal was found by Cheapflights users on 4/17. 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.
Thu 5/86:29 amRDU - COS
1 stop8h 31mDelta
Sat 5/106:00 amCOS - RDU
1 stop8h 16mDelta
Deal found 4/17$303
This American Airlines deal was found by Cheapflights users on 4/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/85:02 amRDU - COS
1 stop6h 40mAmerican Airlines
Sat 5/102:43 pmCOS - RDU
2 stops7h 15mAmerican Airlines
Deal found 4/17$308
This American Airlines deal was found by Cheapflights users on 4/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/32:50 pmRDU - GJT
2 stops8h 58mAmerican Airlines
Tue 6/104:33 pmGJT - RDU
1 stop6h 19mAmerican Airlines
Deal found 4/17$318
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Tue 5/204:10 pmRDU - DEN
Nonstop4h 05mUnited Airlines
Thu 5/2211:59 pmDEN - RDU
Nonstop3h 25mUnited Airlines
Deal found 4/17$332
This American Airlines deal was found by Cheapflights users on 4/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1011:50 amRDU - EGE
1 stop8h 50mAmerican Airlines
Mon 6/162:39 pmEGE - RDU
1 stop8h 13mAmerican Airlines
Deal found 4/16$345

Cheapflights Fare Finder

Customize your flight search to find flights from Raleigh to Colorado 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 April 17, 2025.
Use the filters below to find and compare flights from Raleigh to Colorado that are best for you.

Fly from

Raleigh

Fly to

Colorado

Route

Depart

Return

Price

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Wed 5/7

5:37 pm-7:41 pm

Nonstop4h 04m

Denver Intl

Mon 5/12

10:55 am-4:28 pm

Nonstop3h 33m

$180

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Wed 5/7

5:37 pm-7:41 pm

Nonstop4h 04m

Denver Intl

Fri 5/9

6:30 pm-10:48 am

1 stop14h 18m

$187

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Sat 6/7

7:55 pm-9:19 am

1 stop15h 24m

Denver Intl

Wed 6/11

6:07 pm-5:29 pm

1 stop21h 22m

$215

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Wed 5/28

6:55 pm-8:45 pm

Nonstop3h 50m

Denver Intl

Sat 6/7

7:50 am-1:05 pm

Nonstop3h 15m

$217

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Wed 5/28

5:25 am-11:01 am

1 stop7h 36m

Denver Intl

Sat 5/31

4:06 pm-11:15 pm

1 stop5h 09m

$237

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Fri 5/9

6:00 am-1:43 pm

1 stop9h 43m

Denver Intl

Mon 5/12

11:59 pm-8:59 am

1 stop7h 00m

$265

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Wed 5/21

7:29 pm-10:59 pm

1 stop5h 30m

Denver Intl

Sun 5/25

11:59 pm-8:25 am

1 stop6h 26m

$300

RaleighColorado Springs

RDU - COS

RDUCOS

Raleigh-Durham

Thu 5/8

6:29 am-1:00 pm

1 stop8h 31m

Colorado Springs

Sat 5/10

6:00 am-4:16 pm

1 stop8h 16m

$303

RaleighColorado Springs

RDU - COS

RDUCOS

Raleigh-Durham

Thu 5/8

5:02 am-9:42 am

1 stop6h 40m

Colorado Springs

Sat 5/10

2:43 pm-11:58 pm

2 stops7h 15m

$308

RaleighGrand Junction

RDU - GJT

RDUGJT

Raleigh-Durham

Tue 6/3

2:50 pm-9:48 pm

2 stops8h 58m

Grand Junction Regnl

Tue 6/10

4:33 pm-12:52 am

1 stop6h 19m

$318

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 44 results
1
2
3
...
5

Best time to book a flight from Raleigh to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado 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 Colorado

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

Currently, October is the cheapest month in which you can book a flight from Raleigh to Colorado (average of $197). Flying from Raleigh to Colorado in March is currently the most expensive (average of $278). 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 CO?

Find hourly flight availability from Raleigh to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Raleigh to Colorado as you normally would.

Weekly flight availability from Raleigh to Colorado

Explore weekly flight availability from Raleigh to Colorado. 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 April 17, 2025.

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

Rainfall in Colorado by month

Plan your trip to Colorado by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Colorado 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 Colorado when rainfall is around 0.5 in.

Temperature in Colorado by month

Plan your trip to Colorado by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Colorado, 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).

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated April 17, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Raleigh to Colorado by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,882 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,882 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
JetBlue
7.3
Good
2,926 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

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

  • What airport do you fly from for flights from Raleigh to Colorado?

    Raleigh-Durham (RDU), located 11.1 mi from the city center, is the airport you fly out of when you book flights from Raleigh to Colorado.

  • How popular is this Raleigh to Colorado flight route?

    Within the past month, 152 users have taken a look at flights from Raleigh-Durham to Colorado.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $108. Users have also found prices from $109 and $111 on United Airlines and Sun Country Air, respectively.

  • What are the most popular routes from Raleigh to Colorado?

    The most popular flight routes from Raleigh to Colorado are Raleigh-Durham - Denver Intl, Raleigh-Durham - Colorado Springs and Raleigh-Durham - Vail Eagle County.

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

    Before booking your flight to Colorado from Raleigh, check out the most reliable airlines to get you to your destination on time: United Airlines (90%), Frontier (87%), Southwest( 79%).

  • What are the cheapest flights from Raleigh to Colorado?

    The cheapest flight price from Raleigh to Colorado is $107. On average you can expect to pay $745. The most popular route, (Raleigh-Durham - Denver Intl), can usually be booked for $185.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Raleigh to Colorado 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 Colorado?

    Currently, October is the cheapest month in which you can book a flight from Raleigh to Colorado (average of $197). Flying from Raleigh to Colorado in March is currently the most expensive (average of $278). 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

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 Colorado

See prices for flight routes from nearby airports that may be better suited for you.
Charlotte to John F Kennedy Intl flights
Raleigh to John F Kennedy Intl flights
Raleigh to LaGuardia flights
Raleigh to Seattle flights
Charlotte to LaGuardia flights
Raleigh to Newark flights
Charlotte to Boston flights
Charlotte to Newark flights
Charlotte to Denver flights
Raleigh to O'Hare Intl flights
Charlotte to Hobby flights
Raleigh to Miami flights
Raleigh to Denver flights
Charlotte to Seattle flights
Charlotte to O'Hare Intl flights
Charlotte to Las Vegas flights
Raleigh to Las Vegas flights
Charlotte to George Bush Intcntl flights
Charlotte to Fort Lauderdale flights
Raleigh to Orlando flights
Raleigh to San Francisco flights
Raleigh to Boston flights
Raleigh to Nashville flights
Raleigh to Hobby flights
Charlotte to Dallas/Fort Worth flights
Charlotte to Orlando flights
Raleigh to Dallas/Fort Worth flights
Raleigh to Los Angeles flights
Raleigh to Fort Lauderdale flights
Raleigh to Atlanta flights
Charlotte to Miami flights
Charlotte to Dulles Intl flights
Norfolk to O'Hare Intl flights
Raleigh to George Bush Intcntl flights
Charlotte to Sky Harbor Intl flights
Raleigh to Islip flights
Charlotte to Detroit flights
Greensboro to John F Kennedy Intl flights
Greensboro to LaGuardia flights
Charlotte to Salt Lake City flights
Norfolk to Hobby flights
Charlotte to Los Angeles flights
Raleigh to Austin flights
Raleigh to Tampa flights
Greensboro to Denver flights
Charlotte to San Francisco flights
Raleigh to Sky Harbor Intl flights
Raleigh to Salt Lake City flights
Charlotte to Love Field flights
Charlotte to Atlanta flights

Top 7 airlines flying from Raleigh to Colorado

Discover the top 7 airlines that operate flights from Raleigh to Colorado. 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$70Average$269FlexibilityNo cancel feeOn-time83%
FrontierCheapest$91Average$240FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$190Average$567FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$198Average$497FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$199Average$442FlexibilityNo cancel feeOn-time63%
DeltaCheapest$216Average$416FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$244Average$394FlexibilityNo cancel feeOn-time62%

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.