$96+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — DEN
Feb 7 — Feb 141
1 adult, Economy
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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
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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 January 8, 2026.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $107 (Kiwi.com) |
One-way from | $96 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $248 |
Good round-trip deal | $265 or less |
Good one-way deal | $148 or less |
Find flight deals from Raleigh to Colorado
Cheapest flights from Raleigh to ColoradoExplore 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 January 8, 2026.
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 January 8, 2026.
This Expedia deal was found by Cheapflights users on 1/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/202:24 pmRDU - DEN
Nonstop4h 15mFrontier
Wed 2/253:36 pmDEN - RDU
1 stop24h 38mFrontier
Deal found 1/8![Frontier logo]()
$108
This CheapOair deal was found by Cheapflights users on 1/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/87:29 pmRDU - DEN
Nonstop4h 10mFrontier
Wed 2/118:00 pmDEN - RDU
1 stop19h 55mFrontier
Deal found 1/7![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 2/215:11 pmRDU - DEN
Nonstop4h 16mFrontier
Mon 2/236:00 amDEN - RDU
1 stop9h 39mFrontier
Deal found 1/7![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 1/5. 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.
Mon 3/25:11 pmRDU - DEN
Nonstop4h 16mFrontier
Wed 3/411:59 pmDEN - RDU
1 stop7h 54mFrontier
Deal found 1/5![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 3/116:43 pmRDU - DEN
Nonstop4h 12mFrontier
Mon 3/1612:30 pmDEN - RDU
Nonstop3h 18mFrontier
Deal found 1/7![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 2/145:11 pmRDU - DEN
Nonstop4h 16mFrontier
Mon 2/1611:41 amDEN - RDU
1 stop10h 29mFrontier
Deal found 1/7![Frontier logo]()
$113
This WAYA deal was found by Cheapflights users on 1/7. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/96:10 amRDU - DEN
1 stop8h 09mFrontier
Thu 2/1210:44 amDEN - RDU
Nonstop3h 16mFrontier
Deal found 1/7![Frontier logo]()
$114
This Super.com deal was found by Cheapflights users on 1/7. 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 2/143:35 pmRDU - DEN
1 stop9h 24mFrontier
Fri 2/208:18 amDEN - RDU
Nonstop3h 21mFrontier
Deal found 1/7![Frontier logo]()
$115
This Frontier deal was found by Cheapflights users on 1/7. 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.
Sun 2/157:38 pmRDU - DEN
Nonstop4h 10mFrontier
Thu 2/262:10 pmDEN - RDU
1 stop8h 00mFrontier
Deal found 1/7![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 2/186:25 amRDU - DEN
1 stop17h 10mFrontier
Fri 2/208:18 amDEN - RDU
Nonstop3h 21mFrontier
Deal found 1/6![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 2/56:10 amRDU - DEN
1 stop12h 18mFrontier
Thu 2/1210:44 amDEN - RDU
Nonstop3h 16mFrontier
Deal found 1/6![Frontier logo]()
$118
This Priceline deal was found by Cheapflights users on 1/7. 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.
Thu 3/126:43 pmRDU - DEN
Nonstop4h 12mFrontier
Wed 3/1811:59 pmDEN - RDU
1 stop6h 43mFrontier
Deal found 1/7![Frontier logo]()
$120
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 January 8, 2026.
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
Sat 2/21
4:06 pm-6:18 pm
Nonstop4h 12m
Denver Intl
Tue 2/24
5:25 pm-10:42 pm
Nonstop3h 17m
$188
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Tue 2/24
4:06 pm-6:18 pm
Nonstop4h 12m
Denver Intl
Sat 2/28
5:25 pm-10:42 pm
Nonstop3h 17m
$188
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Thu 2/5
5:20 pm-7:25 pm
Nonstop4h 05m
Denver Intl
Mon 2/9
5:25 pm-10:35 pm
Nonstop3h 10m
$199
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Thu 2/12
7:05 am-9:15 am
Nonstop4h 10m
Denver Intl
Mon 2/16
6:40 pm-11:50 pm
Nonstop3h 10m
$199
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Mon 2/2
8:03 am-10:13 am
Nonstop4h 10m
Denver Intl
Thu 2/5
5:51 pm-11:15 pm
Nonstop3h 24m
$199
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Wed 2/4
4:07 pm-6:18 pm
Nonstop4h 11m
Denver Intl
Wed 2/11
7:45 am-5:04 pm
1 stop7h 19m
$209
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Tue 2/10
10:00 am-2:51 pm
1 stop6h 51m
Denver Intl
Wed 2/18
5:25 pm-10:42 pm
Nonstop3h 17m
$209
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Thu 3/12
7:05 pm-11:20 pm
1 stop6h 15m
Denver Intl
Mon 3/16
12:55 pm-11:25 pm
2 stops8h 30m
$224
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Fri 1/30
5:30 pm-7:35 pm
Nonstop4h 05m
Denver Intl
Mon 2/2
4:45 pm-9:50 pm
Nonstop3h 05m
$228
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Mon 2/2
6:50 am-3:30 pm
2 stops10h 40m
Denver Intl
Thu 2/5
8:15 am-6:25 pm
2 stops8h 10m
$230
Showing 1-10 of 60 results
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, January is the cheapest month in which you can book a flight from Raleigh to Colorado (average of $90). Flying from Raleigh to Colorado in June is currently the most expensive (average of $173). 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 January 8, 2026.
It’s optimal to fly from Raleigh to Colorado in the evening. By choosing this option you can save up to 38% on the cost of your flight, compared to a flight in the morning.
What is the cheapest day to fly from Raleigh to Colorado?
Use this chart to determine the cheapest time to fly round-trip from Raleigh to Colorado. Price data was last updated on January 3, 2026.
Travelers seeking maximum savings on their Raleigh to Colorado flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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 January 8, 2026.
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.
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
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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.
Top 6 airlines flying from Raleigh to Colorado
Discover the top 6 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 January 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$250 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$138 | Average$390 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$157 | Average$344 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$203 | Average$537 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$207 | Average$455 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$211 | Average$441 | FlexibilityNo cancel fee | On-time63% |