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$158+ Cheap flights from Colorado to Raleigh (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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — RDU
Aug 21 — Aug 281
Fri 8/21
Fri 8/28
1 adult, Economy
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Cheap flight deals from Colorado to Raleigh

Cheapest flights from Colorado to Raleigh
Explore the most affordable flight options available from Colorado to Raleigh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 22, 2026.

This Super.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:03 am
DEN
-
RDU
Nonstop3h 28m
Frontier
Mon 8/1012:26 pm
RDU
-
DEN
Nonstop3h 53m
Frontier
Deal found 7/21$255
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:03 am
DEN
-
RDU
Nonstop3h 28m
Frontier
Mon 8/1012:04 pm
RDU
-
DEN
2 stops33h 59m
Frontier
Deal found 7/21$256
This Super.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:03 am
DEN
-
RDU
Nonstop3h 28m
Frontier
Sun 8/237:54 pm
RDU
-
DEN
Nonstop3h 55m
Frontier
Deal found 7/22$257
This Frontier deal was found by Cheapflights users on 7/22. 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.
Fri 8/76:03 am
DEN
-
RDU
Nonstop3h 28m
Frontier
Sat 8/1512:26 pm
RDU
-
DEN
Nonstop3h 53m
Frontier
Deal found 7/22$258
This Frontier deal was found by Cheapflights users on 7/22. 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 8/191:38 pm
DEN
-
RDU
Nonstop3h 31m
Frontier
Thu 8/277:54 pm
RDU
-
DEN
Nonstop3h 55m
Frontier
Deal found 7/22$261
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:03 am
DEN
-
RDU
Nonstop3h 28m
Frontier
Sat 8/152:31 pm
RDU
-
DEN
1 stop10h 29m
Frontier
Deal found 7/21$263
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/611:59 pm
DEN
-
RDU
1 stop6h 33m
Frontier
Thu 9/109:59 pm
RDU
-
DEN
2 stops25h 28m
Frontier
Deal found 7/21$264
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:59 pm
DEN
-
RDU
1 stop7h 00m
Multiple Airlines
Wed 9/94:20 pm
RDU
-
DEN
1 stop8h 13m
Multiple Airlines
Deal found 7/22$266
This Frontier deal was found by Cheapflights users on 7/20. 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.
Sat 8/156:03 am
DEN
-
RDU
Nonstop3h 28m
Frontier
Sat 8/151:36 pm
RDU
-
DEN
1 stop8h 56m
Frontier
Deal found 7/20$267
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:59 pm
DEN
-
RDU
1 stop6h 34m
Frontier
Mon 11/168:30 am
RDU
-
DEN
1 stop7h 30m
Frontier
Deal found 7/19$268
This Kiwi.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:43 am
DEN
-
RDU
1 stop11h 16m
Frontier
Sun 9/65:55 pm
RDU
-
DEN
1 stop7h 12m
Frontier
Deal found 7/18$269
This United Airlines deal was found by Cheapflights users on 7/17. 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.
Thu 11/121:40 pm
GJT
-
RDU
1 stop5h 36m
United Airlines
Tue 11/178:00 am
RDU
-
GJT
1 stop6h 35m
United Airlines
Deal found 7/17$349

Find flight deals from Colorado to Raleigh

Keep the following information in mind while searching for Colorado to Raleigh flight deals. Data was last updated July 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$255
(Super.com)

One-way from

$158
(FlightHub)

Popular in

July

Cheapest in

September

Average price

$396

Good round-trip deal

$354 or less

Good one-way deal

$195 or less
Provider with most accurate pricing for Denver Intl-Raleigh-Durham flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Raleigh-Durham flights.
Search Deals
From Colorado to Raleigh-Durham
Search Deals
One-way flight from Colorado to Raleigh-Durham
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Colorado to Raleigh-Durham.
Search Deals
Price to beat on a one-way flight from Colorado to Raleigh-Durham.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado 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 22, 2026.
Use the filters below to find and compare flights from Colorado to Raleigh that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Grand JunctionRaleigh

GJT - RDU

GJTRDU

Grand Junction Regnl

Thu 11/12

1:40 pm-9:16 pm

1 stop5h 36m

Raleigh-Durham

Tue 11/17

8:00 am-12:35 pm

1 stop6h 35m

$349

Colorado SpringsRaleigh

COS - RDU

COSRDU

Colorado Springs

Thu 9/3

4:20 pm-12:10 am

1 stop5h 50m

Raleigh-Durham

Tue 9/8

5:30 pm-9:45 pm

1 stop6h 15m

$351

GunnisonRaleigh

GUC - RDU

GUCRDU

Gunnison

Fri 8/21

3:15 pm-11:26 pm

1 stop6h 11m

Raleigh-Durham

Tue 8/25

8:06 am-2:34 pm

2 stops8h 28m

$354

Colorado SpringsRaleigh

COS - RDU

COSRDU

Colorado Springs

Tue 8/18

1:15 pm-11:35 pm

1 stop8h 20m

Raleigh-Durham

Tue 8/25

6:15 am-12:40 pm

2 stops8h 25m

$356

Colorado SpringsRaleigh

COS - RDU

COSRDU

Colorado Springs

Thu 9/3

1:52 pm-11:59 pm

2 stops8h 07m

Raleigh-Durham

Tue 9/8

5:05 pm-9:27 pm

1 stop6h 22m

$356

Colorado SpringsRaleigh

COS - RDU

COSRDU

Colorado Springs

Sat 9/26

10:40 am-6:05 pm

1 stop5h 25m

Raleigh-Durham

Mon 9/28

8:25 am-3:40 pm

2 stops9h 15m

$356

Colorado SpringsRaleigh

COS - RDU

COSRDU

Colorado Springs

Tue 9/1

6:00 am-4:03 pm

1 stop8h 03m

Raleigh-Durham

Sun 9/6

5:10 pm-9:38 pm

1 stop6h 28m

$365

DurangoRaleigh

DRO - RDU

DRORDU

Durango La Plata County

Wed 9/23

7:00 am-4:05 pm

1 stop7h 05m

Raleigh-Durham

Wed 9/30

2:18 pm-7:29 pm

1 stop7h 11m

$373

Colorado SpringsRaleigh

COS - RDU

COSRDU

Colorado Springs

Wed 9/9

6:00 am-3:40 pm

1 stop7h 40m

Raleigh-Durham

Tue 9/15

1:42 pm-7:56 pm

1 stop8h 14m

$379

Colorado SpringsRaleigh

COS - RDU

COSRDU

Colorado Springs

Wed 8/19

6:00 am-2:20 pm

1 stop6h 20m

Raleigh-Durham

Sat 8/22

6:15 pm-9:38 pm

1 stop5h 23m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/18

Showing 1-10 of 59 resultsSorted by cheapest first
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Best time to book a flight from Colorado to Raleigh

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

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

Currently, September is the cheapest month in which you can book a flight from Colorado to Raleigh (average of $236). Flying from Colorado to Raleigh in July is currently the most expensive (average of $409). 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 CO to RDU?

Find hourly flight availability from Colorado 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 22, 2026.

One of the essential ways to save on airfare from Colorado 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 34% on airfare.

Weekly flight availability from Colorado to Raleigh

Explore weekly flight availability from Colorado 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 22, 2026.

The most flights from USCO to RDU are scheduled on a Monday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

How much does it cost to fly round-trip from Colorado to Raleigh?

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

The price you pay for your flight from Colorado to Raleigh may vary depending on when you book. For the best chance of a lower fare, look to book 58 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Use this chart to determine the cheapest time to fly round-trip from Colorado to Raleigh. Price data was last updated on July 18, 2026.

Travelers seeking maximum savings on their Colorado 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.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Raleigh. 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 into for flights to Raleigh from Colorado?

    Most people fly into Raleigh-Durham (RDU) if they book a flight to Raleigh from Colorado. Raleigh-Durham is conveniently located just 11.1 mi from Raleigh’s city center.

  • How popular is this Colorado to Raleigh flight route?

    Flights from Colorado to Raleigh-Durham have been viewed 51 times in the past calendar month.

  • How long is the flight from Colorado to Raleigh?

    There are many flights that can get you from Colorado to Raleigh in 5h 36m. Fly via United Airlines, American Airlines, or Delta to get the fastest option. Colorado and Raleigh are separated by a distance of 1637 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $65. American Airlines flights start at $108 while deals on Southwest start at $108 one-way.

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

    Most travelers choose Denver Intl - Raleigh-Durham, Colorado Springs - Raleigh-Durham or Vail Eagle County - Raleigh-Durham when deciding on the best route from Colorado to Raleigh.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Colorado to Raleigh on time: Frontier (92%), Volaris (92%), United Airlines (75%).

  • What are the cheapest flights from Colorado to Raleigh?

    The cheapest flight price from Colorado to Raleigh is $154. On average you can expect to pay $412. The most popular route, (Denver Intl - Raleigh-Durham), can usually be booked for $81.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Colorado to Raleigh (average of $236). Flying from Colorado to Raleigh in July is currently the most expensive (average of $409). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Raleigh?

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

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Colorado to Raleigh

Discover the top 5 airlines that operate flights from Colorado 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 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$107Average$267FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$198Average$435FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$217Average$510FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$217Average$463FlexibilityNo cancel feeOn-time63%
DeltaCheapest$236Average$414FlexibilityNo cancel feeOn-timeN/A

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