$92+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — DEN
Mac 14 — Mac 211
1 adult, Economy
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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 Februari 12, 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 Februari 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Selasa 4/215:55 pm
RDU
- DEN
Nonstop4h 12m
Frontier
Selasa 4/2111:59 pm
DEN
- RDU
1 stop8h 00m
Frontier
Deal found 2/9![Frontier logo]()
$118
This WAYA deal was found by Cheapflights users on 2/9. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Rabu 3/114:12 pm
RDU
- DEN
1 stop8h 52m
Frontier
Rabu 3/1812:30 pm
DEN
- RDU
Nonstop3h 18m
Frontier
Deal found 2/9![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Rabu 5/65:55 pm
RDU
- DEN
Nonstop4h 12m
Frontier
Jumaat 5/83:45 pm
DEN
- RDU
Nonstop3h 19m
Frontier
Deal found 2/11![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Ahad 4/269:47 pm
RDU
- DEN
1 stop17h 11m
Frontier
Sabtu 5/23:45 pm
DEN
- RDU
Nonstop3h 19m
Frontier
Deal found 2/10![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 2/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Isnin 5/119:59 pm
RDU
- DEN
Nonstop4h 10m
Frontier
Selasa 5/191:09 pm
DEN
- RDU
1 stop9h 06m
Frontier
Deal found 2/12![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Selasa 4/73:57 pm
RDU
- DEN
1 stop9h 07m
Frontier
Selasa 4/2111:40 am
DEN
- RDU
Nonstop3h 25m
Frontier
Deal found 2/10![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 2/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Jumaat 3/206:43 pm
RDU
- DEN
Nonstop4h 12m
Frontier
Rabu 3/2512:30 pm
DEN
- RDU
Nonstop3h 18m
Frontier
Deal found 2/11![Frontier logo]()
$128
This Frontier deal was found by Cheapflights users on 2/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Jumaat 4/106:43 pm
RDU
- DEN
Nonstop4h 06m
Frontier
Khamis 4/233:45 pm
DEN
- RDU
Nonstop3h 19m
Frontier
Deal found 2/10![Frontier logo]()
$129
This Orbitz deal was found by Cheapflights users on 2/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Ahad 4/269:59 pm
RDU
- DEN
Nonstop4h 10m
Frontier
Khamis 4/309:06 pm
DEN
- RDU
1 stop21h 04m
Frontier
Deal found 2/11![Frontier logo]()
$130
This Super.com deal was found by Cheapflights users on 2/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Rabu 4/155:55 pm
RDU
- DEN
Nonstop4h 12m
Frontier
Ahad 4/193:45 pm
DEN
- RDU
Nonstop3h 19m
Frontier
Deal found 2/11![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Selasa 3/104:12 pm
RDU
- DEN
1 stop21h 57m
Frontier
Selasa 3/1712:30 pm
DEN
- RDU
Nonstop3h 18m
Frontier
Deal found 2/10![Frontier logo]()
$132
This United Airlines deal was found by Cheapflights users on 2/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Selasa 3/246:30 am
RDU
- GUC
1 stop6h 51m
United Airlines
Selasa 3/311:25 pm
GUC
- RDU
1 stop7h 54m
United Airlines
Deal found 2/9![United Airlines logo]()
$289
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 Februari 12, 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 Februari 12, 2026.
This Frontier deal was found by Cheapflights users on 2/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sabtu 4/259:59 pm
RDU
- DEN
Nonstop4h 10m
Frontier
Khamis 4/303:45 pm
DEN
- RDU
Nonstop3h 19m
Frontier
Deal found 2/12![Frontier logo]()
$133
This Southwest deal was found by Cheapflights users on 2/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Selasa 4/145:20 pm
RDU
- DEN
Nonstop3h 50m
Southwest
Selasa 4/216:15 pm
DEN
- RDU
Nonstop3h 30m
Southwest
Deal found 2/10![Southwest logo]()
$177
This JetBlue deal was found by Cheapflights users on 2/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Selasa 3/312:00 pm
RDU
- DEN
1 stop10h 59m
JetBlue
Isnin 4/611:15 pm
DEN
- RDU
1 stop10h 50m
JetBlue
Deal found 2/9![JetBlue logo]()
$221
This United Airlines deal was found by Cheapflights users on 2/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Jumaat 4/248:00 am
RDU
- DEN
Nonstop4h 03m
United Airlines
Jumaat 4/245:50 pm
DEN
- RDU
Nonstop3h 29m
United Airlines
Deal found 2/11![United Airlines logo]()
$254
This American Airlines deal was found by Cheapflights users on 2/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Jumaat 4/245:35 pm
RDU
- GJT
1 stop7h 07m
American Airlines
Sabtu 5/211:45 am
GJT
- RDU
1 stop9h 51m
American Airlines
Deal found 2/9![American Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Isnin 4/134:56 pm
RDU
- COS
1 stop5h 24m
Delta
Sabtu 4/186:15 am
COS
- RDU
1 stop5h 08m
Delta
Deal found 2/9![Delta logo]()
$345
This Frontier deal was found by Cheapflights users on 2/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Isnin 3/166:22 pm
RDU
- DEN
Nonstop4h 12m
Frontier
Isnin 3/238:00 am
DEN
- RDU
1 stop9h 51m
Frontier
Deal found 2/11![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sabtu 3/76:43 pm
RDU
- CEZ
1 stop17h 52m
Multiple Airlines
Isnin 3/94:25 pm
CEZ
- RDU
2 stops14h 33m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Khamis 3/126:43 pm
RDU
- DEN
Nonstop4h 12m
Frontier
Isnin 3/1611:59 pm
DEN
- RDU
1 stop8h 06m
Frontier
Deal found 2/11![Frontier logo]()
$197
This Southwest deal was found by Cheapflights users on 2/11. 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.
Selasa 3/245:40 am
RDU
- DEN
Nonstop4h 00m
Southwest
Selasa 3/316:10 pm
DEN
- RDU
Nonstop3h 10m
Southwest
Deal found 2/11![Southwest logo]()
$217
This Southwest deal was found by Cheapflights users on 2/9. 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.
Rabu 4/85:40 am
RDU
- DEN
Nonstop3h 50m
Southwest
Ahad 4/127:05 pm
DEN
- RDU
Nonstop3h 15m
Southwest
Deal found 2/9![Southwest logo]()
$257
This United Airlines deal was found by Cheapflights users on 2/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Selasa 3/246:30 am
RDU
- GUC
1 stop6h 51m
United Airlines
Selasa 3/311:25 pm
GUC
- RDU
1 stop7h 54m
United Airlines
Deal found 2/9![United Airlines logo]()
$289
This Expedia deal was found by Cheapflights users on 2/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Jumaat 3/2711:41 am
RDU
- DEN
1 stop10h 19m
Frontier
Sabtu 4/411:59 pm
DEN
- RDU
1 stop6h 47m
Frontier
Deal found 2/11![Frontier logo]()
$250
This Southwest deal was found by Cheapflights users on 2/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Khamis 3/55:00 am
RDU
- DEN
Nonstop3h 55m
Southwest
Ahad 3/87:55 pm
DEN
- RDU
Nonstop3h 05m
Southwest
Deal found 2/10![Southwest logo]()
$257
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Selasa 3/311:37 am
RDU
- COS
1 stop6h 23m
American Airlines
Selasa 3/106:00 am
COS
- RDU
1 stop6h 59m
American Airlines
Deal found 2/10![American Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 2/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Jumaat 4/244:18 pm
RDU
- GJT
1 stop6h 41m
United Airlines
Sabtu 5/25:30 am
GJT
- RDU
2 stops9h 53m
United Airlines
Deal found 2/9![United Airlines logo]()
$294
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Selasa 5/54:18 pm
RDU
- GJT
1 stop6h 26m
United Airlines
Selasa 5/125:30 am
GJT
- RDU
2 stops9h 53m
United Airlines
Deal found 2/10![United Airlines logo]()
$294
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Khamis 3/59:59 am
RDU
- EGE
1 stop6h 06m
Delta
Isnin 3/93:31 pm
EGE
- RDU
1 stop6h 47m
Delta
Deal found 2/9![Delta logo]()
$359
This Southwest deal was found by Cheapflights users on 2/9. 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.
Jumaat 3/135:00 am
RDU
- DEN
Nonstop3h 55m
Southwest
Isnin 3/167:15 pm
DEN
- RDU
Nonstop3h 05m
Southwest
Deal found 2/9![Southwest logo]()
$277
This American Airlines deal was found by Cheapflights users on 2/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Rabu 4/83:00 pm
RDU
- COS
2 stops10h 32m
American Airlines
Sabtu 4/111:39 pm
COS
- RDU
1 stop8h 20m
American Airlines
Deal found 2/9![American Airlines logo]()
$336
This Southwest deal was found by Cheapflights users on 2/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Rabu 3/115:40 am
RDU
- DEN
Nonstop4h 00m
Southwest
Isnin 3/167:15 pm
DEN
- RDU
Nonstop3h 05m
Southwest
Deal found 2/8![Southwest logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Isnin 3/168:46 pm
RDU
- CEZ
2 stops16h 49m
Multiple Airlines
Khamis 3/197:15 am
CEZ
- RDU
1 stop8h 33m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$416
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Sabtu 5/25:25 pm
RDU
- GJT
1 stop7h 17m
American Airlines
Selasa 5/127:20 am
GJT
- RDU
1 stop6h 39m
American Airlines
Deal found 2/10![American Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Selasa 2/174:06 pm
RDU
- GJT
1 stop8h 15m
United Airlines
Selasa 3/31:43 pm
GJT
- RDU
1 stop6h 59m
United Airlines
Deal found 2/10![United Airlines logo]()
$344
This American Airlines deal was found by Cheapflights users on 2/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Khamis 3/55:00 am
RDU
- ASE
1 stop6h 32m
American Airlines
Isnin 3/912:39 pm
ASE
- RDU
1 stop8h 12m
American Airlines
Deal found 2/9![American Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Selasa 2/242:53 pm
RDU
- ALS
2 stops24h 37m
Multiple Airlines
Sabtu 2/288:00 am
ALS
- RDU
1 stop6h 16m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$447
This United Airlines deal was found by Cheapflights users on 2/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Rabu 3/254:12 pm
RDU
- GJT
1 stop8h 10m
United Airlines
Isnin 3/303:40 pm
GJT
- RDU
1 stop5h 39m
United Airlines
Deal found 2/11![United Airlines logo]()
$356
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Sabtu 3/75:00 am
RDU
- ASE
1 stop6h 32m
American Airlines
Rabu 3/111:24 pm
ASE
- RDU
1 stop8h 43m
American Airlines
Deal found 2/10![American Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 2/9. 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.
Selasa 3/245:40 am
RDU
- COS
1 stop5h 50m
Southwest
Selasa 3/314:15 pm
COS
- RDU
1 stop5h 05m
Southwest
Deal found 2/9![Southwest logo]()
$345
This American Airlines deal was found by Cheapflights users on 2/11. 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.
Jumaat 2/275:00 am
RDU
- ASE
1 stop6h 32m
American Airlines
Rabu 3/43:46 pm
ASE
- RDU
1 stop6h 13m
American Airlines
Deal found 2/11![American Airlines logo]()
$359
Last-minute flights from Raleigh to ColoradoDiscover last-minute flight deals from Raleigh to Colorado. Data last updated Februari 12, 2026 and is based on user searches.
Discover last-minute flight deals from Raleigh to Colorado. Data last updated Februari 12, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 2/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sabtu 2/282:41 pm
RDU
- DEN
1 stop20h 50m
Frontier
Sabtu 3/712:30 pm
DEN
- RDU
Nonstop3h 18m
Frontier
Deal found 2/11![Frontier logo]()
$140
This Frontier deal was found by Cheapflights users on 2/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Selasa 3/36:25 am
RDU
- DEN
1 stop7h 31m
Frontier
Sabtu 3/712:30 pm
DEN
- RDU
Nonstop3h 18m
Frontier
Deal found 2/11![Frontier logo]()
$129
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Selasa 3/38:20 am
RDU
- COS
1 stop6h 05m
Delta
Selasa 3/1012:10 pm
COS
- RDU
1 stop9h 32m
Delta
Deal found 2/9![Delta logo]()
$317
This Expedia deal was found by Cheapflights users on 2/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Rabu 3/49:25 pm
RDU
- DEN
1 stop12h 30m
Frontier
Jumaat 3/612:30 pm
DEN
- RDU
Nonstop3h 18m
Frontier
Deal found 2/9![Frontier logo]()
$138
This Super.com deal was found by Cheapflights users on 2/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Jumaat 3/66:43 pm
RDU
- DEN
Nonstop4h 12m
Frontier
Sabtu 3/712:30 pm
DEN
- RDU
Nonstop3h 18m
Frontier
Deal found 2/10![Frontier logo]()
$126
This American Airlines deal was found by Cheapflights users on 2/11. 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.
Isnin 3/97:10 pm
RDU
- COS
1 stop6h 49m
American Airlines
Selasa 3/106:00 am
COS
- RDU
1 stop6h 59m
American Airlines
Deal found 2/11![American Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Selasa 3/104:12 pm
RDU
- DEN
1 stop21h 57m
Frontier
Selasa 3/1712:30 pm
DEN
- RDU
Nonstop3h 18m
Frontier
Deal found 2/10![Frontier logo]()
$132
This WAYA deal was found by Cheapflights users on 2/9. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Rabu 3/114:12 pm
RDU
- DEN
1 stop8h 52m
Frontier
Rabu 3/1812:30 pm
DEN
- RDU
Nonstop3h 18m
Frontier
Deal found 2/9![Frontier logo]()
$122
This Super.com deal was found by Cheapflights users on 2/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Khamis 3/126:43 pm
RDU
- DEN
Nonstop4h 12m
Frontier
Rabu 3/1812:30 pm
DEN
- RDU
Nonstop3h 18m
Frontier
Deal found 2/9![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 2/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Jumaat 3/206:43 pm
RDU
- DEN
Nonstop4h 12m
Frontier
Rabu 3/2512:30 pm
DEN
- RDU
Nonstop3h 18m
Frontier
Deal found 2/11![Frontier logo]()
$128
This United Airlines deal was found by Cheapflights users on 2/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Selasa 3/246:30 am
RDU
- GUC
1 stop6h 51m
United Airlines
Selasa 3/311:25 pm
GUC
- RDU
1 stop7h 54m
United Airlines
Deal found 2/9![United Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Khamis 3/262:26 pm
RDU
- DEN
1 stop9h 51m
Frontier
Rabu 4/1511:40 am
DEN
- RDU
Nonstop3h 25m
Frontier
Deal found 2/10![Frontier logo]()
$133
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 Februari 12, 2026.
Search for one-way flight options from Raleigh to Colorado. Find affordable one-way fares based on user searches. Data last updated Februari 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Selasa 4/73:57 pm
RDU
- DEN
1 stop9h 07m
Frontier
Deal found 2/11![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Isnin 3/25:10 pm
RDU
- DEN
2 stops20h 04m
Frontier
Deal found 2/9![Frontier logo]()
$93
This Priceline deal was found by Cheapflights users on 2/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Rabu 5/135:55 pm
RDU
- DEN
Nonstop4h 12m
Frontier
Deal found 2/12![Frontier logo]()
$94
This Mytrip deal was found by Cheapflights users on 2/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Khamis 4/96:00 am
RDU
- DEN
1 stop8h 09m
Frontier
Deal found 2/9![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Isnin 2/235:10 pm
RDU
- DEN
1 stop20h 46m
Frontier
Deal found 2/10![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Isnin 4/2010:38 pm
RDU
- DEN
2 stops15h 31m
Frontier
Deal found 2/11![Frontier logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Selasa 3/244:12 pm
RDU
- DEN
2 stops17h 01m
Frontier
Deal found 2/12![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Jumaat 5/86:50 pm
RDU
- DEN
2 stops19h 19m
Frontier
Deal found 2/12![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Isnin 3/3012:06 pm
RDU
- DEN
1 stop30h 31m
Frontier
Deal found 2/10![Frontier logo]()
$100
This Booking.com deal was found by Cheapflights users on 2/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Khamis 2/267:09 pm
RDU
- DEN
1 stop21h 53m
Frontier
Deal found 2/9![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Jumaat 3/67:06 pm
RDU
- DEN
1 stop13h 56m
Frontier
Deal found 2/9![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Selasa 4/285:52 pm
RDU
- COS
3 stops50h 04m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$155
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 Februari 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $118 (Kiwi.com) |
One-way from | $92 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $307 |
Good round-trip deal | $283 or less |
Good one-way deal | $145 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 Februari 12, 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
Sabtu 4/25
9:59 pm-12:09 am
Nonstop4h 10m
Denver Intl
Khamis 4/30
3:45 pm-9:04 pm
Nonstop3h 19m
$133
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Selasa 4/14
5:20 pm-7:10 pm
Nonstop3h 50m
Denver Intl
Selasa 4/21
6:15 pm-11:45 pm
Nonstop3h 30m
$177
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Isnin 3/16
6:22 pm-8:34 pm
Nonstop4h 12m
Denver Intl
Isnin 3/23
8:00 am-7:51 pm
1 stop9h 51m
$179
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Khamis 3/12
6:43 pm-8:55 pm
Nonstop4h 12m
Denver Intl
Isnin 3/16
11:59 pm-10:05 am
1 stop8h 06m
$197
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Selasa 3/24
5:40 am-7:40 am
Nonstop4h 00m
Denver Intl
Selasa 3/31
6:10 pm-11:20 pm
Nonstop3h 10m
$217
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Selasa 3/31
2:00 pm-10:59 pm
1 stop10h 59m
Denver Intl
Isnin 4/6
11:15 pm-12:05 pm
1 stop10h 50m
$221
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Jumaat 3/27
11:41 am-8:00 pm
1 stop10h 19m
Denver Intl
Sabtu 4/4
11:59 pm-8:46 am
1 stop6h 47m
$250
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Jumaat 4/24
8:00 am-10:03 am
Nonstop4h 03m
Denver Intl
Jumaat 4/24
5:50 pm-11:19 pm
Nonstop3h 29m
$254
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Rabu 4/8
5:40 am-7:30 am
Nonstop3h 50m
Denver Intl
Ahad 4/12
7:05 pm-12:20 am
Nonstop3h 15m
$257
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Khamis 3/5
5:00 am-6:55 am
Nonstop3h 55m
Denver Intl
Ahad 3/8
7:55 pm-1:00 am
Nonstop3h 05m
$257
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-DEN
RDU-COS
RDU-GUC
RDU-ASE
RDU-EGE
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-DEN
RDU-COS
RDU-GUC
RDU-ASE
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 $172). 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 Februari 12, 2026.
It’s optimal to fly from Raleigh to Colorado at noon. By choosing this option you can save up to 47% 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 7, 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.
How much does it cost to fly round-trip from Raleigh to Colorado?
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 Februari 12, 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
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
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
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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 Februari 12, 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 Februari 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$99 | Average$242 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$128 | Average$357 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$157 | Average$335 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$180 | Average$486 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$207 | Average$464 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$212 | Average$435 | FlexibilityNo cancel fee | On-time63% |