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Colorado

$115+ 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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — DEN
Nov 4 — Nov 111
Tue 11/4
Tue 11/11
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 October 5, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$148
(Booking.com)

One-way from

$115
(Cheapflightsfares)

Popular in

December

Cheapest in

January

Average price

$297

Good round-trip deal

$254 or less

Good one-way deal

$125 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
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 5, 2025.

This Booking.com deal was found by Cheapflights users on 10/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/214:32 pmRDU - DEN
1 stop16h 42mFrontier
Sat 10/2511:38 amDEN - RDU
Nonstop3h 26mFrontier
Deal found 10/5$148
This Cheapflightsfares deal was found by Cheapflights users on 10/5. 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 10/315:21 pmRDU - DEN
Nonstop4h 05mFrontier
Sun 11/212:16 amDEN - RDU
1 stop6h 27mFrontier
Deal found 10/5$149
This Priceline deal was found by Cheapflights users on 10/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/245:39 pmRDU - DEN
Nonstop4h 05mFrontier
Mon 10/271:42 pmDEN - RDU
1 stop7h 17mFrontier
Deal found 10/3$150
This Booking.com deal was found by Cheapflights users on 10/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/226:30 amRDU - DEN
1 stop18h 46mFrontier
Sat 10/2511:38 amDEN - RDU
Nonstop3h 26mFrontier
Deal found 10/4$151
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 10/3011:22 amRDU - DEN
1 stop8h 20mFrontier
Thu 11/611:10 amDEN - RDU
Nonstop3h 26mFrontier
Deal found 10/5$152
This Trip.com deal was found by Cheapflights users on 10/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:10 amRDU - DEN
1 stop9h 35mFrontier
Sat 11/1512:25 pmDEN - RDU
1 stop8h 33mFrontier
Deal found 10/4$153
This Kiwi.com deal was found by Cheapflights users on 10/2. 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.
Fri 12/125:20 pmRDU - DEN
Nonstop4h 13mMultiple Airlines
Mon 12/156:45 amDEN - RDU
1 stop10h 03mMultiple Airlines
Deal found 10/2$154
This Frontier deal was found by Cheapflights users on 10/3. 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.
Thu 11/65:21 pmRDU - DEN
Nonstop4h 05mFrontier
Fri 11/712:16 amDEN - RDU
1 stop7h 34mFrontier
Deal found 10/3$155
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 12/45:20 pmRDU - DEN
Nonstop4h 13mFrontier
Sun 12/72:22 pmDEN - RDU
1 stop17h 22mFrontier
Deal found 10/5$156
This Kiwi.com deal was found by Cheapflights users on 10/5. 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.
Fri 12/125:20 pmRDU - DEN
Nonstop4h 13mFrontier
Mon 12/1511:59 pmDEN - RDU
1 stop7h 52mFrontier
Deal found 10/5$158
This Cheapflightsfares deal was found by Cheapflights users on 10/3. 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.
Tue 10/285:34 pmRDU - DEN
1 stop7h 42mFrontier
Fri 10/3111:59 pmDEN - RDU
1 stop6h 25mFrontier
Deal found 10/3$159
This United Airlines deal was found by Cheapflights users on 10/5. 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 11/188:00 amRDU - EGE
1 stop6h 24mUnited Airlines
Tue 12/23:20 pmEGE - RDU
1 stop5h 25mUnited Airlines
Deal found 10/5$211

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 October 5, 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

RaleighVail

RDU - EGE

RDUEGE

Raleigh-Durham

Tue 11/18

8:00 am-12:24 pm

1 stop6h 24m

Vail Eagle County

Tue 12/2

3:20 pm-10:45 pm

1 stop5h 25m

$211

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Thu 12/11

6:00 am-12:53 pm

1 stop8h 53m

Denver Intl

Fri 12/12

4:15 pm-11:59 pm

1 stop5h 44m

$237

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Sat 11/1

9:40 am-3:05 pm

1 stop7h 25m

Denver Intl

Sun 11/2

5:00 am-11:56 am

1 stop4h 56m

$257

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Thu 10/30

5:44 am-10:11 am

1 stop6h 27m

Denver Intl

Sun 11/9

12:50 am-8:51 am

1 stop6h 01m

$257

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Fri 12/12

6:00 am-12:31 pm

1 stop8h 31m

Denver Intl

Fri 12/12

11:21 pm-9:54 am

1 stop8h 33m

$259

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Fri 12/12

6:00 am-12:31 pm

1 stop8h 31m

Denver Intl

Sun 12/14

11:59 pm-9:42 am

1 stop7h 43m

$259

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Tue 12/9

6:00 am-12:31 pm

1 stop8h 31m

Denver Intl

Sat 12/13

11:59 pm-9:42 am

1 stop7h 43m

$259

RaleighVail

RDU - EGE

RDUEGE

Raleigh-Durham

Tue 11/18

1:15 pm-7:11 pm

1 stop7h 56m

Vail Eagle County

Tue 12/2

8:00 am-6:12 pm

1 stop8h 12m

$270

RaleighGrand Junction

RDU - GJT

RDUGJT

Raleigh-Durham

Sat 11/1

3:13 pm-8:27 pm

1 stop7h 14m

Grand Junction Regnl

Wed 11/5

2:09 pm-11:30 pm

1 stop7h 21m

$277

RaleighGrand Junction

RDU - GJT

RDUGJT

Raleigh-Durham

Sat 11/1

4:46 pm-10:29 pm

1 stop7h 43m

Grand Junction Regnl

Wed 11/5

5:55 am-6:58 pm

2 stops11h 03m

$282

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/4

Showing 1-10 of 60 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 October 5, 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 October 5, 2025.

The most flights from RDU to USCO are scheduled on a Monday (5 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).

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 October 5, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines 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
8.0
Very good
4,237 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,237 reviews
Southwest
8.0
Very good
4,237 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,970 reviews
Southwest
8.0
Very good
4,237 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,953 reviews
Southwest
8.0
Very good
4,237 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,041 reviews
Southwest
8.0
Very good
4,237 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,147 reviews
Southwest
8.0
Very good
4,237 reviews

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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, 123 users have taken a look at flights from Raleigh-Durham to Colorado.

  • How long is the flight from Raleigh to Colorado?

    There are many flights that can get you from Raleigh to Colorado in 6h 24m. Fly via United Airlines, Delta, or JetBlue to get the fastest option. The distance between Raleigh and Colorado is about 1551 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $119. Users have also found prices from $124 and $130 on Frontier and JetBlue, 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 (88%), Frontier (53%), Southwest( 51%).

  • What are the cheapest flights from Raleigh to Colorado?

    The cheapest flight price from Raleigh to Colorado is $84. On average you can expect to pay $622. The most popular route, (Raleigh-Durham - Denver Intl), can usually be booked for $141.

  • 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.

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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 October 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$105Average$248FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$421FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$190Average$575FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$198Average$515FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$199Average$440FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$244Average$394FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$255Average$310FlexibilityNo cancel feeOn-time83%

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