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$98+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — DEN
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$158
(Frontier)

One-way from

$98
(Cheapflightsfares)

Popular in

December

Cheapest in

May

Average price

$347

Good round-trip deal

$245 or less

Good one-way deal

$142 or less
Provider with most accurate pricing for Raleigh-Durham-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Raleigh-Durham-Denver Intl flights.
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From Raleigh-Durham to Colorado
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One-way flight from Raleigh-Durham to Colorado
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Raleigh-Durham to Colorado.
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Price to beat on a one-way flight from Raleigh-Durham to Colorado.
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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 March 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/255:49 pmRDU - DEN
Nonstop4h 11mFrontier
Sat 4/2611:25 amDEN - RDU
Nonstop3h 24mFrontier
Deal found 3/26$176
This Southwest deal was found by Cheapflights users on 3/26. 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.
Sat 4/267:00 amRDU - DEN
Nonstop3h 50mSouthwest
Wed 4/3012:05 pmDEN - RDU
Nonstop3h 20mSouthwest
Deal found 3/26$197
This FlightHub deal was found by Cheapflights users on 3/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/95:28 pmRDU - DEN
Nonstop4h 04mMultiple Airlines
Fri 5/166:30 pmDEN - RDU
1 stop14h 18mMultiple Airlines
Deal found 3/27$216
This American Airlines deal was found by Cheapflights users on 3/27. 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 5/68:08 amRDU - DEN
1 stop7h 45mAmerican Airlines
Sat 5/178:06 amDEN - RDU
1 stop7h 19mAmerican Airlines
Deal found 3/27$217
This Delta deal was found by Cheapflights users on 3/26. 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.
Sat 5/1011:01 amRDU - DEN
1 stop6h 00mDelta
Mon 5/1912:59 amDEN - RDU
1 stop5h 51mDelta
Deal found 3/26$237
This Sun Country Air deal was found by Cheapflights users on 3/25. 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.
Fri 11/2112:27 pmRDU - DEN
1 stop8h 16mSun Country Air
Sun 11/236:17 pmDEN - RDU
1 stop14h 45mSun Country Air
Deal found 3/25$255
This JetBlue Airways deal was found by Cheapflights users on 3/26. 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 Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/215:40 pmRDU - DEN
1 stop7h 16mJetBlue
Tue 8/2611:55 pmDEN - RDU
1 stop6h 14mJetBlue
Deal found 3/26$316
This United deal was found by Cheapflights users on 3/26. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/158:00 amRDU - DEN
Nonstop4h 04mUnited Airlines
Wed 4/235:50 pmDEN - RDU
Nonstop3h 21mUnited Airlines
Deal found 3/26$317
This American Airlines deal was found by Cheapflights users on 3/27. 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 10/18:02 amRDU - GJT
1 stop8h 45mAmerican Airlines
Sat 10/412:25 pmGJT - RDU
1 stop8h 06mAmerican Airlines
Deal found 3/27$349
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/26:02 amRDU - GJT
2 stops8h 26mDelta
Tue 5/66:05 amGJT - RDU
2 stops9h 48mDelta
Deal found 3/28$359
This American Airlines deal was found by Cheapflights users on 3/27. 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 4/175:05 amRDU - COS
1 stop6h 47mAmerican Airlines
Mon 4/214:39 pmCOS - RDU
1 stop5h 53mAmerican Airlines
Deal found 3/27$367
This United Airlines deal was found by Cheapflights users on 3/27. 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 5/202:58 pmRDU - COS
2 stops8h 38mUnited Airlines
Tue 5/272:35 pmCOS - RDU
1 stop7h 24mUnited Airlines
Deal found 3/27$372

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 March 28, 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

Fri 4/25

5:49 pm-8:00 pm

Nonstop4h 11m

Denver Intl

Sat 4/26

11:25 am-4:49 pm

Nonstop3h 24m

$176

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Sat 4/26

7:00 am-8:50 am

Nonstop3h 50m

Denver Intl

Wed 4/30

12:05 pm-5:25 pm

Nonstop3h 20m

$197

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Fri 5/9

5:28 pm-7:32 pm

Nonstop4h 04m

Denver Intl

Fri 5/16

6:30 pm-10:48 am

1 stop14h 18m

$216

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Tue 5/6

8:08 am-1:53 pm

1 stop7h 45m

Denver Intl

Sat 5/17

8:06 am-5:25 pm

1 stop7h 19m

$217

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Sat 5/10

11:01 am-3:01 pm

1 stop6h 00m

Denver Intl

Mon 5/19

12:59 am-8:50 am

1 stop5h 51m

$237

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Thu 5/1

6:25 pm-10:27 am

1 stop18h 02m

Denver Intl

Sun 5/4

8:30 am-4:29 pm

1 stop5h 59m

$255

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Thu 8/21

5:40 pm-10:56 pm

1 stop7h 16m

Denver Intl

Tue 8/26

11:55 pm-8:09 am

1 stop6h 14m

$316

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Tue 4/15

8:00 am-10:04 am

Nonstop4h 04m

Denver Intl

Wed 4/23

5:50 pm-11:11 pm

Nonstop3h 21m

$317

RaleighGrand Junction

RDU - GJT

RDUGJT

Raleigh-Durham

Fri 5/2

12:49 pm-9:04 pm

2 stops10h 15m

Grand Junction Regnl

Tue 5/6

5:49 am-2:53 pm

1 stop7h 04m

$354

RaleighGrand Junction

RDU - GJT

RDUGJT

Raleigh-Durham

Fri 5/2

6:02 am-12:28 pm

2 stops8h 26m

Grand Junction Regnl

Tue 5/6

6:05 am-5:53 pm

2 stops9h 48m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 39 results
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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 March 28, 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 March 28, 2025.

The most flights from RDU to USCO are scheduled on a Thursday (7 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 March 28, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,897 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
JetBlue
7.3
Good
2,923 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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, 153 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 $98. Users have also found prices from $99 and $109 on Southwest and American Airlines, 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 - Grand Junction Regnl.

  • 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: Frontier (96%), United Airlines (88%), Southwest( 69%).

  • What are the cheapest flights from Raleigh to Colorado?

    The cheapest flight price from Raleigh to Colorado is $83. On average you can expect to pay $889. The most popular route, (Raleigh-Durham - Denver Intl), can usually be booked for $197.

  • 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

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Alternative routes for Raleigh to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$70Average$269FlexibilityNo cancel feeOn-time83%
FrontierCheapest$89Average$235FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$186Average$566FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$198Average$505FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$198Average$437FlexibilityNo cancel feeOn-time63%
DeltaCheapest$216Average$421FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$304Average$430FlexibilityNo cancel feeOn-time62%
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