$93+ 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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — DEN
Mar 26 — Apr 21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
Best
Last-minute
One-way
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 February 24, 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 February 24, 2026.
This Frontier deal was found by Cheapflights users on 2/23. 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 5/125:55 pm
RDU
- DEN
Nonstop4h 12m
Frontier
Sun 5/1711:59 pm
DEN
- RDU
1 stop7h 57m
Frontier
Deal found 2/23![Frontier logo]()
$120
This Frontier deal was found by Cheapflights users on 2/23. 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 4/1811:53 am
RDU
- DEN
1 stop22h 28m
Frontier
Fri 4/243:45 pm
DEN
- RDU
Nonstop3h 19m
Frontier
Deal found 2/23![Frontier logo]()
$121
This Frontier deal was found by Cheapflights users on 2/23. 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 4/189:49 pm
RDU
- DEN
Nonstop4h 10m
Frontier
Tue 4/211:20 pm
DEN
- RDU
Nonstop3h 24m
Frontier
Deal found 2/23![Frontier logo]()
$122
This Frontier deal was found by Cheapflights users on 2/23. 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 5/169:59 pm
RDU
- DEN
Nonstop4h 10m
Frontier
Tue 5/1911:59 pm
DEN
- RDU
1 stop12h 43m
Frontier
Deal found 2/23![Frontier logo]()
$123
This Frontier deal was found by Cheapflights users on 2/23. 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 5/29:49 pm
RDU
- DEN
Nonstop4h 10m
Frontier
Mon 5/41:26 pm
DEN
- RDU
Nonstop3h 24m
Frontier
Deal found 2/23![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 3/116:50 am
RDU
- DEN
1 stop7h 19m
Frontier
Tue 3/3112:30 pm
DEN
- RDU
Nonstop3h 18m
Frontier
Deal found 2/23![Frontier logo]()
$125
This Super.com deal was found by Cheapflights users on 2/22. 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.
Wed 3/186:43 pm
RDU
- DEN
Nonstop4h 12m
Frontier
Wed 3/2512:30 pm
DEN
- RDU
Nonstop3h 18m
Frontier
Deal found 2/22![Frontier logo]()
$126
This Super.com deal was found by Cheapflights users on 2/23. 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.
Thu 3/266:43 pm
RDU
- DEN
Nonstop4h 12m
Frontier
Tue 3/3112:30 pm
DEN
- RDU
Nonstop3h 18m
Frontier
Deal found 2/23![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 2/22. 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.
Tue 3/176:43 pm
RDU
- DEN
Nonstop4h 12m
Frontier
Tue 3/2412:30 pm
DEN
- RDU
Nonstop3h 18m
Frontier
Deal found 2/22![Frontier logo]()
$128
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:49 pm
RDU
- DEN
Nonstop4h 10m
Frontier
Sun 5/31:22 pm
DEN
- RDU
1 stop8h 53m
Frontier
Deal found 2/20![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 4/73:57 pm
RDU
- DEN
1 stop9h 07m
Frontier
Tue 4/2111:59 pm
DEN
- RDU
1 stop13h 05m
Frontier
Deal found 2/23![Frontier logo]()
$130
This Super.com deal was found by Cheapflights users on 2/20. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:49 pm
RDU
- DEN
Nonstop4h 10m
Frontier
Sat 4/253:45 pm
DEN
- RDU
Nonstop3h 19m
Frontier
Deal found 2/20![Frontier logo]()
$131
Best flights from Raleigh to ColoradoDiscover carefully curated flight deals from Raleigh to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 24, 2026.
Discover carefully curated flight deals from Raleigh to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 24, 2026.
This United Airlines deal was found by Cheapflights users on 2/23. 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 4/1410:07 am
RDU
- GUC
2 stops12h 12m
United Airlines
Sat 4/187:00 am
GUC
- RDU
2 stops13h 46m
United Airlines
Deal found 2/23![United Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 2/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:50 am
RDU
- EGE
1 stop7h 00m
American Airlines
Sun 3/2910:48 am
EGE
- RDU
2 stops8h 58m
American Airlines
Deal found 2/20![American Airlines logo]()
$320
This Southwest deal was found by Cheapflights users on 2/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:50 pm
RDU
- DEN
2 stops9h 05m
Southwest
Wed 4/228:45 am
DEN
- RDU
2 stops7h 15m
Southwest
Deal found 2/20![Southwest logo]()
$387
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:30 am
RDU
- EGE
2 stops10h 35m
Delta
Mon 3/93:31 pm
EGE
- RDU
1 stop6h 47m
Delta
Deal found 2/20![Delta logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 2/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:59 pm
RDU
- DEN
1 stop30h 34m
Alaska Airlines
Mon 8/37:59 pm
DEN
- RDU
1 stop20h 00m
Alaska Airlines
Deal found 2/22![Alaska Airlines logo]()
$503
This United Airlines deal was found by Cheapflights users on 2/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/14:18 pm
RDU
- DEN
Nonstop4h 07m
United Airlines
Wed 4/155:50 pm
DEN
- RDU
Nonstop3h 29m
United Airlines
Deal found 2/22![United Airlines logo]()
$331
This American Airlines deal was found by Cheapflights users on 2/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:50 pm
RDU
- GJT
1 stop8h 03m
American Airlines
Tue 5/1212:42 pm
GJT
- RDU
2 stops9h 17m
American Airlines
Deal found 2/22![American Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 2/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/28:00 am
RDU
- DRO
1 stop6h 34m
United Airlines
Tue 4/71:36 pm
DRO
- RDU
1 stop7h 43m
United Airlines
Deal found 2/21![United Airlines logo]()
$342
This American Airlines deal was found by Cheapflights users on 2/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:32 pm
RDU
- ASE
1 stop8h 22m
American Airlines
Sat 3/143:46 pm
ASE
- RDU
1 stop6h 21m
American Airlines
Deal found 2/22![American Airlines logo]()
$364
This Southwest deal was found by Cheapflights users on 2/23. 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.
Mon 3/235:50 pm
RDU
- COS
1 stop8h 05m
Southwest
Mon 3/3010:40 am
COS
- RDU
2 stops10h 10m
Southwest
Deal found 2/23![Southwest logo]()
$409
This United Airlines deal was found by Cheapflights users on 2/23. 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 5/194:18 pm
RDU
- GJT
1 stop8h 00m
United Airlines
Thu 5/281:33 pm
GJT
- RDU
1 stop7h 43m
United Airlines
Deal found 2/23![United Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 2/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/282:00 pm
RDU
- DEN
1 stop10h 49m
Delta
Sun 8/26:05 am
DEN
- RDU
1 stop6h 04m
Delta
Deal found 2/22![Delta logo]()
$448
This Southwest deal was found by Cheapflights users on 2/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:50 pm
RDU
- DEN
2 stops9h 05m
Southwest
Mon 5/1812:55 pm
DEN
- RDU
2 stops7h 20m
Southwest
Deal found 2/20![Southwest logo]()
$427
This United Airlines deal was found by Cheapflights users on 2/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:30 am
RDU
- DEN
1 stop7h 15m
United Airlines
Tue 3/175:45 pm
DEN
- RDU
Nonstop3h 16m
United Airlines
Deal found 2/22![United Airlines logo]()
$367
This American Airlines deal was found by Cheapflights users on 2/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:00 am
RDU
- ASE
1 stop9h 49m
American Airlines
Mon 3/91:24 pm
ASE
- RDU
1 stop8h 43m
American Airlines
Deal found 2/21![American Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 2/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/51:45 pm
RDU
- COS
2 stops10h 05m
Southwest
Sat 4/116:45 am
COS
- RDU
2 stops8h 45m
Southwest
Deal found 2/21![Southwest logo]()
$453
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/244:18 pm
RDU
- GJT
1 stop6h 41m
United Airlines
Mon 4/271:43 pm
GJT
- RDU
1 stop7h 36m
United Airlines
Deal found 2/20![United Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 2/23. 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.
Wed 5/136:50 am
RDU
- DEN
2 stops9h 15m
Southwest
Sun 5/171:45 pm
DEN
- RDU
2 stops7h 10m
Southwest
Deal found 2/23![Southwest logo]()
$465
This United Airlines deal was found by Cheapflights users on 2/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/244:12 pm
RDU
- DRO
1 stop6h 46m
United Airlines
Tue 3/313:23 pm
DRO
- RDU
1 stop5h 56m
United Airlines
Deal found 2/21![United Airlines logo]()
$388
This American Airlines deal was found by Cheapflights users on 2/23. 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 3/1011:37 am
RDU
- DRO
1 stop6h 37m
American Airlines
Sat 3/1412:14 pm
DRO
- RDU
1 stop8h 37m
American Airlines
Deal found 2/23![American Airlines logo]()
$489
This Southwest deal was found by Cheapflights users on 2/23. 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 3/1712:00 pm
RDU
- DEN
2 stops9h 20m
Southwest
Sat 3/2110:25 am
DEN
- RDU
2 stops7h 15m
Southwest
Deal found 2/23![Southwest logo]()
$466
This United Airlines deal was found by Cheapflights users on 2/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/184:12 pm
RDU
- COS
1 stop7h 50m
United Airlines
Tue 3/241:32 pm
COS
- RDU
1 stop7h 29m
United Airlines
Deal found 2/22![United Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 2/23. 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.
Thu 3/265:00 am
RDU
- COS
1 stop6h 20m
Southwest
Sun 3/296:45 am
COS
- RDU
2 stops7h 00m
Southwest
Deal found 2/23![Southwest logo]()
$472
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/184:18 pm
RDU
- EGE
1 stop6h 04m
United Airlines
Wed 4/221:38 pm
EGE
- RDU
1 stop7h 41m
United Airlines
Deal found 2/20![United Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 2/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/91:40 pm
RDU
- DEN
2 stops8h 00m
Southwest
Sat 3/1410:25 am
DEN
- RDU
2 stops7h 15m
Southwest
Deal found 2/22![Southwest logo]()
$472
This United Airlines deal was found by Cheapflights users on 2/23. 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.
Fri 3/66:00 am
RDU
- EGE
2 stops8h 27m
United Airlines
Fri 3/138:00 am
EGE
- RDU
1 stop7h 17m
United Airlines
Deal found 2/23![United Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 2/23. 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.
Fri 3/136:10 am
RDU
- DEN
2 stops6h 55m
Southwest
Fri 3/201:40 pm
DEN
- RDU
2 stops7h 10m
Southwest
Deal found 2/23![Southwest logo]()
$475
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:20 am
RDU
- COS
1 stop6h 27m
United Airlines
Sun 5/101:25 pm
COS
- RDU
2 stops9h 10m
United Airlines
Deal found 2/20![United Airlines logo]()
$411
This Southwest deal was found by Cheapflights users on 2/23. 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.
Wed 7/85:35 am
RDU
- DEN
Nonstop3h 35m
Southwest
Sun 7/127:55 pm
DEN
- RDU
Nonstop3h 20m
Southwest
Deal found 2/23![Southwest logo]()
$505
This United Airlines deal was found by Cheapflights users on 2/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:30 am
RDU
- DRO
1 stop6h 51m
United Airlines
Sat 6/61:30 pm
DRO
- RDU
2 stops9h 20m
United Airlines
Deal found 2/22![United Airlines logo]()
$419
Last-minute flights from Raleigh to ColoradoDiscover last-minute flight deals from Raleigh to Colorado. Data last updated February 24, 2026 and is based on user searches.
Discover last-minute flight deals from Raleigh to Colorado. Data last updated February 24, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 3/116:50 am
RDU
- DEN
1 stop7h 19m
Frontier
Tue 3/3112:30 pm
DEN
- RDU
Nonstop3h 18m
Frontier
Deal found 2/23![Frontier logo]()
$125
This Super.com deal was found by Cheapflights users on 2/23. 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 3/114:12 pm
RDU
- DEN
1 stop8h 52m
Frontier
Wed 3/1811:59 pm
DEN
- RDU
1 stop6h 28m
Frontier
Deal found 2/23![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/116:50 am
RDU
- DEN
1 stop7h 19m
Frontier
Fri 3/2712:30 pm
DEN
- RDU
Nonstop3h 18m
Frontier
Deal found 2/20![Frontier logo]()
$145
This Frontier deal was found by Cheapflights users on 2/22. 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.
Sat 3/146:43 pm
RDU
- DEN
Nonstop4h 12m
Frontier
Wed 3/2512:30 pm
DEN
- RDU
Nonstop3h 18m
Frontier
Deal found 2/22![Frontier logo]()
$138
This Frontier deal was found by Cheapflights users on 2/22. 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.
Tue 3/176:43 pm
RDU
- DEN
Nonstop4h 12m
Frontier
Tue 3/2412:30 pm
DEN
- RDU
Nonstop3h 18m
Frontier
Deal found 2/22![Frontier logo]()
$128
This Frontier deal was found by Cheapflights users on 2/23. 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 3/174:12 pm
RDU
- DEN
1 stop8h 52m
Frontier
Fri 3/2712:30 pm
DEN
- RDU
Nonstop3h 18m
Frontier
Deal found 2/23![Frontier logo]()
$146
This Super.com deal was found by Cheapflights users on 2/22. 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.
Wed 3/186:43 pm
RDU
- DEN
Nonstop4h 12m
Frontier
Wed 3/2512:30 pm
DEN
- RDU
Nonstop3h 18m
Frontier
Deal found 2/22![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 2/22. 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 3/186:43 pm
RDU
- DEN
Nonstop4h 12m
Frontier
Wed 3/1811:59 pm
DEN
- RDU
1 stop6h 28m
Frontier
Deal found 2/22![Frontier logo]()
$141
This eDestinos deal was found by Cheapflights users on 2/22. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:43 pm
RDU
- DEN
Nonstop4h 12m
Frontier
Tue 3/319:25 am
DEN
- RDU
1 stop8h 29m
Frontier
Deal found 2/22![Frontier logo]()
$124
This American Airlines deal was found by Cheapflights users on 2/23. 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 3/246:50 am
RDU
- GUC
1 stop9h 06m
American Airlines
Tue 3/3112:26 pm
GUC
- RDU
1 stop8h 25m
American Airlines
Deal found 2/23![American Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 2/21. 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.
Wed 3/256:43 pm
RDU
- DEN
Nonstop4h 12m
Frontier
Wed 4/111:59 pm
DEN
- RDU
1 stop6h 47m
Frontier
Deal found 2/21![Frontier logo]()
$134
This Super.com deal was found by Cheapflights users on 2/23. 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.
Thu 3/266:43 pm
RDU
- DEN
Nonstop4h 12m
Frontier
Tue 3/3112:30 pm
DEN
- RDU
Nonstop3h 18m
Frontier
Deal found 2/23![Frontier logo]()
$127
One-way flights from Raleigh to ColoradoSearch for one-way flight options from Raleigh to Colorado. Find affordable one-way fares based on user searches. Data last updated February 24, 2026.
Search for one-way flight options from Raleigh to Colorado. Find affordable one-way fares based on user searches. Data last updated February 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/21. 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.
Sat 3/146:43 pm
RDU
- DEN
Nonstop4h 12m
Frontier
Deal found 2/21![Frontier logo]()
$93
This Frontier deal was found by Cheapflights users on 2/23. 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 3/196:43 pm
RDU
- DEN
Nonstop4h 12m
Frontier
Deal found 2/23![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 4/224:00 pm
RDU
- DEN
2 stops16h 35m
Frontier
Deal found 2/24![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 4/256:00 am
RDU
- DEN
2 stops10h 15m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 5/310:38 pm
RDU
- DEN
2 stops50h 25m
Frontier
Deal found 2/23![Frontier logo]()
$97
This Trip.com deal was found by Cheapflights users on 2/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/36:00 am
RDU
- DEN
1 stop8h 09m
Frontier
Deal found 2/21![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 5/206:00 am
RDU
- DEN
2 stops17h 58m
Frontier
Deal found 2/23![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 3/314:12 pm
RDU
- DEN
2 stops22h 55m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/254:12 pm
RDU
- DEN
2 stops16h 50m
Frontier
Deal found 2/20![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 4/294:00 pm
RDU
- DEN
2 stops16h 35m
Frontier
Deal found 2/24![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 4/176:10 am
RDU
- DEN
2 stops17h 34m
Frontier
Deal found 2/24![Frontier logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 4/23:57 pm
RDU
- DEN
1 stop9h 07m
Frontier
Deal found 2/24![Frontier logo]()
$104
Find flight deals from Raleigh to Colorado
Keep the following information in mind while searching for Raleigh to Colorado flight deals. Data was last updated February 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $120 (Frontier) |
One-way from | $93 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $313 |
Good round-trip deal | $278 or less |
Good one-way deal | $167 or less |
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 February 24, 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
RaleighGunnison
RDU - GUC
RDUGUC
Raleigh-Durham
Tue 4/14
10:07 am-8:19 pm
2 stops12h 12m
Gunnison
Sat 4/18
7:00 am-10:46 pm
2 stops13h 46m
$319
RaleighVail
RDU - EGE
RDUEGE
Raleigh-Durham
Wed 3/25
6:50 am-11:50 am
1 stop7h 00m
Vail Eagle County
Sun 3/29
10:48 am-9:46 pm
2 stops8h 58m
$320
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Wed 4/1
4:18 pm-6:25 pm
Nonstop4h 07m
Denver Intl
Wed 4/15
5:50 pm-11:19 pm
Nonstop3h 29m
$331
RaleighDurango
RDU - DRO
RDUDRO
Raleigh-Durham
Thu 4/2
8:00 am-12:34 pm
1 stop6h 34m
Durango La Plata County
Tue 4/7
1:36 pm-11:19 pm
1 stop7h 43m
$342
RaleighGrand Junction
RDU - GJT
RDUGJT
Raleigh-Durham
Tue 5/19
4:18 pm-10:18 pm
1 stop8h 00m
Grand Junction Regnl
Thu 5/28
1:33 pm-11:16 pm
1 stop7h 43m
$355
RaleighGrand Junction
RDU - GJT
RDUGJT
Raleigh-Durham
Sat 5/2
3:50 pm-9:53 pm
1 stop8h 03m
Grand Junction Regnl
Tue 5/12
12:42 pm-11:59 pm
2 stops9h 17m
$359
RaleighAspen
RDU - ASE
RDUASE
Raleigh-Durham
Tue 3/10
2:32 pm-8:54 pm
1 stop8h 22m
Aspen Pitkin County
Sat 3/14
3:46 pm-12:07 am
1 stop6h 21m
$364
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Tue 3/17
6:30 am-11:45 am
1 stop7h 15m
Denver Intl
Tue 3/17
5:45 pm-11:01 pm
Nonstop3h 16m
$367
RaleighGrand Junction
RDU - GJT
RDUGJT
Raleigh-Durham
Fri 4/24
4:18 pm-8:59 pm
1 stop6h 41m
Grand Junction Regnl
Mon 4/27
1:43 pm-11:19 pm
1 stop7h 36m
$379
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Thu 4/16
12:50 pm-7:55 pm
2 stops9h 05m
Denver Intl
Wed 4/22
8:45 am-6:00 pm
2 stops7h 15m
$387
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.
RDU-GUC
RDU-EGE
RDU-DEN
RDU-GJT
RDU-DRO
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
RDU-USCO
RDU-GUC
RDU-EGE
RDU-DEN
RDU-GJT
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 $86). 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 February 24, 2026.
It’s optimal to fly from Raleigh to Colorado at noon. By choosing this option you can save up to 45% 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 February 21, 2026.
Travelers seeking maximum savings on their Raleigh to Colorado flight should consider departing on Thursday 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.
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 February 24, 2026.
The most flights from RDU to USCO are scheduled on a Monday (6 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (1 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 February 24, 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.
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Raleigh to Colorado
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Colorado by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Raleigh to Colorado by cabin class
Find flights from Raleigh to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Raleigh and Colorado flights
Browse other Raleigh and Colorado flight options. Last updated on February 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Raleigh to Colorado flights
Consider these flights traveling from Raleigh to Colorado.
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 February 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$100 | Average$241 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$128 | Average$356 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$157 | Average$335 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$182 | Average$468 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$200 | Average$460 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$209 | Average$435 | FlexibilityNo cancel fee | On-time63% |