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$117+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — DEN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$180
(FlightHub)

One-way from

$117
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$357

Good round-trip deal

$270 or less

Good one-way deal

$144 or less
From Raleigh-Durham to Colorado
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One-way flight from Raleigh-Durham to Colorado
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/9. 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.
Wed 7/97:56 pmRDU - DEN
1 stop19h 01mFrontier
Fri 7/1111:05 amDEN - RDU
Nonstop3h 33mFrontier
Deal found 6/9$180
This American Airlines deal was found by Cheapflights users on 6/12. 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 7/235:20 pmRDU - DEN
1 stop7h 34mAmerican Airlines
Wed 7/2311:55 pmDEN - RDU
1 stop7h 32mAmerican Airlines
Deal found 6/12$211
This Delta deal was found by Cheapflights users on 6/10. 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 7/236:35 pmRDU - DEN
1 stop6h 31mDelta
Tue 7/296:30 amDEN - RDU
1 stop6h 16mDelta
Deal found 6/10$237
This Delta deal was found by Cheapflights users on 6/10. 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 8/76:00 amRDU - COS
1 stop5h 59mDelta
Mon 8/111:10 pmCOS - RDU
1 stop7h 32mDelta
Deal found 6/10$257
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/215:25 amRDU - EGE
1 stop6h 25mAmerican Airlines
Tue 8/262:40 pmEGE - RDU
1 stop7h 58mAmerican Airlines
Deal found 6/11$259
This Southwest deal was found by Cheapflights users on 6/11. 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.
Tue 8/1910:50 amRDU - COS
2 stops10h 25mSouthwest
Mon 8/253:30 pmCOS - RDU
1 stop5h 20mSouthwest
Deal found 6/11$262
This Southwest deal was found by Cheapflights users on 6/9. 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.
Sun 7/276:35 amRDU - DEN
Nonstop3h 40mSouthwest
Sat 8/26:15 pmDEN - RDU
Nonstop3h 20mSouthwest
Deal found 6/9$267
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 8/155:25 amRDU - ASE
1 stop6h 22mAmerican Airlines
Thu 8/214:37 pmASE - RDU
1 stop6h 05mAmerican Airlines
Deal found 6/12$289
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Sat 8/165:25 amRDU - GJT
1 stop8h 30mAmerican Airlines
Sat 8/2311:45 amGJT - RDU
1 stop9h 02mAmerican Airlines
Deal found 6/12$289
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 9/244:28 pmRDU - DEN
Nonstop3h 50mUnited Airlines
Mon 9/295:21 pmDEN - RDU
Nonstop3h 24mUnited Airlines
Deal found 6/10$291
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 9/156:10 pmRDU - COS
1 stop5h 58mAmerican Airlines
Fri 9/1912:21 pmCOS - RDU
1 stop5h 40mAmerican Airlines
Deal found 6/10$315
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/49:20 amRDU - DEN
2 stops23h 56mMultiple Airlines
Thu 7/106:00 amDEN - RDU
1 stop9h 05mMultiple Airlines
Deal found 6/10$323

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 June 12, 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 7/9

7:56 pm-12:57 pm

1 stop19h 01m

Denver Intl

Fri 7/11

11:05 am-4:38 pm

Nonstop3h 33m

$180

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Wed 7/23

5:20 pm-10:54 pm

1 stop7h 34m

Denver Intl

Wed 7/23

11:55 pm-9:27 am

1 stop7h 32m

$211

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Wed 7/23

6:00 am-12:47 pm

1 stop8h 47m

Denver Intl

Mon 8/4

12:55 am-8:44 am

1 stop5h 49m

$237

RaleighColorado Springs

RDU - COS

RDUCOS

Raleigh-Durham

Thu 8/7

6:00 am-9:59 am

1 stop5h 59m

Colorado Springs

Mon 8/11

1:10 pm-10:42 pm

1 stop7h 32m

$257

RaleighVail

RDU - EGE

RDUEGE

Raleigh-Durham

Thu 8/21

5:25 am-9:50 am

1 stop6h 25m

Vail Eagle County

Tue 8/26

2:40 pm-12:38 am

1 stop7h 58m

$259

RaleighColorado Springs

RDU - COS

RDUCOS

Raleigh-Durham

Tue 8/19

10:50 am-7:15 pm

2 stops10h 25m

Colorado Springs

Mon 8/25

3:30 pm-10:50 pm

1 stop5h 20m

$262

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Sun 7/27

6:35 am-8:15 am

Nonstop3h 40m

Denver Intl

Sat 8/2

6:15 pm-11:35 pm

Nonstop3h 20m

$267

RaleighAspen

RDU - ASE

RDUASE

Raleigh-Durham

Fri 8/15

5:25 am-9:47 am

1 stop6h 22m

Aspen Pitkin County

Thu 8/21

4:37 pm-12:42 am

1 stop6h 05m

$289

RaleighGrand Junction

RDU - GJT

RDUGJT

Raleigh-Durham

Sat 8/16

5:25 am-11:55 am

1 stop8h 30m

Grand Junction Regnl

Sat 8/23

11:45 am-10:47 pm

1 stop9h 02m

$289

RaleighColorado Springs

RDU - COS

RDUCOS

Raleigh-Durham

Mon 9/15

6:10 pm-10:08 pm

1 stop5h 58m

Colorado Springs

Fri 9/19

12:21 pm-8:01 pm

1 stop5h 40m

$315

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 44 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 June 12, 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 June 12, 2025.

The most flights from RDU to USCO are scheduled on a Monday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 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 June 12, 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
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,925 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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, 130 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 $117. Users have also found prices from $118 and $119 on Sun Country Air and United 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: United Airlines (84%), Southwest (66%), Frontier( 56%).

  • What are the cheapest flights from Raleigh to Colorado?

    The cheapest flight price from Raleigh to Colorado is $102. On average you can expect to pay $702. 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

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$93Average$244FlexibilityNo cancel feeOn-time62%
DeltaCheapest$149Average$412FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$190Average$555FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$198Average$491FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$209Average$439FlexibilityNo cancel feeOn-time63%
Sun Country AirCheapest$220Average$310FlexibilityNo cancel feeOn-time83%
JetBlueCheapest$244Average$394FlexibilityNo cancel feeOn-time62%

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