$86+ Cheap flights from Raleigh (RDU) to Colorado
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — DEN
Jun 29 — Jul 61
Round-trip
1 adult, Economy
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Find cheap flights from Raleigh to Colorado with Cheapflights
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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 May 30, 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 May 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 9/2312:48 pm
RDU
- DEN
Nonstop4h 04m
Frontier
Sat 10/36:30 am
DEN
- RDU
Nonstop3h 23m
Frontier
Deal found 5/26![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 5/27. 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 10/1312:18 pm
RDU
- DEN
Nonstop4h 04m
Frontier
Sat 10/176:00 am
DEN
- RDU
Nonstop3h 23m
Frontier
Deal found 5/27![Frontier logo]()
$165
This Super.com deal was found by Cheapflights users on 5/26. 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 8/2912:26 pm
RDU
- DEN
Nonstop4h 03m
Frontier
Wed 9/26:03 am
DEN
- RDU
Nonstop3h 28m
Frontier
Deal found 5/26![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 5/27. 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 8/2912:26 pm
RDU
- DEN
Nonstop4h 03m
Frontier
Thu 9/36:03 am
DEN
- RDU
Nonstop3h 28m
Frontier
Deal found 5/27![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 9/2912:48 pm
RDU
- DEN
Nonstop4h 04m
Frontier
Tue 10/66:30 am
DEN
- RDU
Nonstop3h 23m
Frontier
Deal found 5/26![Frontier logo]()
$191
This Frontier deal was found by Cheapflights users on 5/28. 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.
Mon 9/2112:48 pm
RDU
- DEN
Nonstop4h 04m
Frontier
Thu 9/246:30 am
DEN
- RDU
Nonstop3h 23m
Frontier
Deal found 5/28![Frontier logo]()
$198
This Frontier deal was found by Cheapflights users on 5/26. 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 10/1412:18 pm
RDU
- DEN
Nonstop4h 04m
Frontier
Tue 10/206:00 am
DEN
- RDU
Nonstop3h 23m
Frontier
Deal found 5/26![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 9/2312:48 pm
RDU
- DEN
Nonstop4h 04m
Frontier
Thu 10/16:30 am
DEN
- RDU
Nonstop3h 23m
Frontier
Deal found 5/26![Frontier logo]()
$206
This Orbitz deal was found by Cheapflights users on 5/26. 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.
Tue 9/226:35 am
RDU
- DEN
1 stop9h 25m
Frontier
Tue 9/296:30 am
DEN
- RDU
Nonstop3h 23m
Frontier
Deal found 5/26![Frontier logo]()
$209
This Super.com deal was found by Cheapflights users on 5/29. 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 8/2212:26 pm
RDU
- DEN
Nonstop4h 03m
Frontier
Tue 8/256:03 am
DEN
- RDU
Nonstop3h 28m
Frontier
Deal found 5/29![Frontier logo]()
$211
This American Airlines deal was found by Cheapflights users on 5/30. 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 9/1511:42 am
RDU
- COS
1 stop6h 47m
American Airlines
Tue 9/228:00 am
COS
- RDU
1 stop6h 05m
American Airlines
Deal found 5/30![American Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 5/28. 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 9/151:45 pm
RDU
- COS
1 stop7h 51m
Delta
Tue 9/221:19 pm
COS
- RDU
1 stop5h 24m
Delta
Deal found 5/28![Delta logo]()
$263
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 May 30, 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 May 30, 2026.
This Southwest deal was found by Cheapflights users on 5/27. 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 9/107:25 pm
RDU
- DEN
1 stop5h 10m
Southwest
Tue 9/152:20 pm
DEN
- RDU
1 stop5h 00m
Southwest
Deal found 5/27![Southwest logo]()
$263
This Delta deal was found by Cheapflights users on 5/27. 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 10/137:15 pm
RDU
- DEN
1 stop5h 44m
Delta
Fri 10/1612:59 am
DEN
- RDU
1 stop6h 51m
Delta
Deal found 5/27![Delta logo]()
$263
This American Airlines deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:30 am
RDU
- ASE
1 stop7h 49m
American Airlines
Tue 11/37:34 am
ASE
- RDU
2 stops8h 07m
American Airlines
Deal found 5/26![American Airlines logo]()
$356
This United Airlines deal was found by Cheapflights users on 5/29. 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 10/278:15 am
RDU
- EGE
1 stop6h 06m
United Airlines
Wed 10/281:30 pm
EGE
- RDU
1 stop7h 35m
United Airlines
Deal found 5/29![United Airlines logo]()
$415
This Alaska Airlines deal was found by Cheapflights users on 5/27. 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.
Mon 8/317:02 am
RDU
- DEN
2 stops16h 44m
Alaska Airlines
Tue 9/86:17 am
DEN
- RDU
1 stop9h 53m
Alaska Airlines
Deal found 5/27![Alaska Airlines logo]()
$506
This Delta deal was found by Cheapflights users on 5/26. 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.
Mon 9/1410:00 am
RDU
- DEN
1 stop5h 23m
Delta
Sun 9/2012:59 am
DEN
- RDU
1 stop5h 44m
Delta
Deal found 5/26![Delta logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 5/27. 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 7/412:26 pm
RDU
- ALS
1 stop27h 04m
Multiple Airlines
Tue 7/72:00 pm
ALS
- RDU
2 stops16h 11m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$608
This American Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:16 am
RDU
- GJT
1 stop7h 10m
American Airlines
Mon 7/136:54 pm
GJT
- RDU
2 stops11h 10m
American Airlines
Deal found 5/30![American Airlines logo]()
$364
This Southwest deal was found by Cheapflights users on 5/29. 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 7/11:50 pm
RDU
- COS
1 stop9h 55m
Southwest
Wed 7/85:10 pm
COS
- RDU
1 stop5h 30m
Southwest
Deal found 5/29![Southwest logo]()
$376
This Delta deal was found by Cheapflights users on 5/26. 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.
Fri 10/305:20 am
RDU
- ASE
1 stop8h 15m
Delta
Tue 11/38:05 am
ASE
- RDU
2 stops12h 59m
Delta
Deal found 5/26![Delta logo]()
$356
This Delta deal was found by Cheapflights users on 5/30. 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 7/76:00 am
RDU
- COS
1 stop6h 27m
Delta
Tue 7/141:40 pm
COS
- RDU
1 stop5h 17m
Delta
Deal found 5/30![Delta logo]()
$371
This United Airlines deal was found by Cheapflights users on 5/26. 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 8/296:25 am
RDU
- ASE
1 stop6h 41m
United Airlines
Wed 9/211:53 am
ASE
- RDU
1 stop8h 06m
United Airlines
Deal found 5/26![United Airlines logo]()
$451
This Southwest deal was found by Cheapflights users on 5/28. 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 9/210:15 am
RDU
- DEN
2 stops6h 55m
Southwest
Sun 9/61:20 pm
DEN
- RDU
2 stops9h 40m
Southwest
Deal found 5/28![Southwest logo]()
$418
This American Airlines deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/225:20 am
RDU
- EGE
1 stop6h 33m
American Airlines
Thu 6/257:50 am
EGE
- RDU
1 stop8h 42m
American Airlines
Deal found 5/26![American Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 5/29. 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 10/274:00 pm
RDU
- GUC
1 stop6h 12m
United Airlines
Sat 10/317:25 am
GUC
- RDU
1 stop5h 54m
United Airlines
Deal found 5/29![United Airlines logo]()
$459
This Southwest deal was found by Cheapflights users on 5/28. 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 9/246:45 pm
RDU
- DEN
1 stop5h 35m
Southwest
Mon 9/2811:50 am
DEN
- RDU
2 stops7h 15m
Southwest
Deal found 5/28![Southwest logo]()
$421
This American Airlines deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/810:50 am
RDU
- DRO
2 stops9h 52m
American Airlines
Sat 8/2212:40 pm
DRO
- RDU
1 stop6h 36m
American Airlines
Deal found 5/28![American Airlines logo]()
$438
This Alaska Airlines deal was found by Cheapflights users on 5/30. 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.
Tue 7/147:08 pm
RDU
- DEN
1 stop17h 25m
Alaska Airlines
Sun 7/198:00 am
DEN
- RDU
2 stops19h 40m
Alaska Airlines
Deal found 5/30![Alaska Airlines logo]()
$536
This United Airlines deal was found by Cheapflights users on 5/29. 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 8/224:23 pm
RDU
- GJT
1 stop7h 36m
United Airlines
Wed 8/261:40 pm
GJT
- RDU
1 stop7h 46m
United Airlines
Deal found 5/29![United Airlines logo]()
$459
This Southwest deal was found by Cheapflights users on 5/28. 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 8/74:05 pm
RDU
- COS
1 stop7h 40m
Southwest
Mon 8/104:20 pm
COS
- RDU
1 stop5h 50m
Southwest
Deal found 5/28![Southwest logo]()
$433
This Delta deal was found by Cheapflights users on 5/27. 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.
Mon 6/225:19 pm
RDU
- COS
1 stop5h 48m
Delta
Wed 6/246:00 am
COS
- RDU
1 stop6h 29m
Delta
Deal found 5/27![Delta logo]()
$444
This American Airlines deal was found by Cheapflights users on 5/26. 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 6/95:20 am
RDU
- DRO
1 stop6h 34m
American Airlines
Sun 6/145:28 am
DRO
- RDU
1 stop6h 00m
American Airlines
Deal found 5/26![American Airlines logo]()
$453
This Kiwi.com deal was found by Cheapflights users on 5/27. 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 7/35:07 pm
RDU
- ALS
2 stops22h 23m
Multiple Airlines
Tue 7/72:00 pm
ALS
- RDU
1 stop19h 31m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$630
This United Airlines deal was found by Cheapflights users on 5/28. 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 8/294:23 pm
RDU
- GUC
1 stop6h 10m
United Airlines
Wed 9/23:15 pm
GUC
- RDU
1 stop6h 11m
United Airlines
Deal found 5/28![United Airlines logo]()
$489
This Southwest deal was found by Cheapflights users on 5/28. 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.
Sat 9/1911:15 am
RDU
- DEN
2 stops9h 20m
Southwest
Mon 9/2112:10 pm
DEN
- RDU
2 stops6h 55m
Southwest
Deal found 5/28![Southwest logo]()
$453
This American Airlines deal was found by Cheapflights users on 5/25. 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 6/911:13 am
RDU
- DRO
2 stops10h 49m
American Airlines
Sat 6/135:28 am
DRO
- RDU
1 stop6h 00m
American Airlines
Deal found 5/25![American Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 5/26. 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 8/291:15 pm
RDU
- EGE
1 stop6h 47m
United Airlines
Tue 9/13:29 pm
EGE
- RDU
1 stop5h 57m
United Airlines
Deal found 5/26![United Airlines logo]()
$494
This American Airlines deal was found by Cheapflights users on 5/26. 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.
Sun 6/75:01 am
RDU
- DRO
2 stops9h 26m
American Airlines
Sun 6/145:28 am
DRO
- RDU
1 stop6h 00m
American Airlines
Deal found 5/26![American Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 5/30. 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.
Sun 7/266:00 am
RDU
- COS
1 stop6h 27m
Delta
Thu 7/301:40 pm
COS
- RDU
1 stop7h 48m
Delta
Deal found 5/30![Delta logo]()
$512
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 6/2512:26 pm
RDU
- ALS
1 stop27h 04m
Multiple Airlines
Mon 6/292:00 pm
ALS
- RDU
1 stop19h 31m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$707
Last-minute flights from Raleigh to ColoradoDiscover last-minute flight deals from Raleigh to Colorado. Data last updated May 30, 2026 and is based on user searches.
Discover last-minute flight deals from Raleigh to Colorado. Data last updated May 30, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/29. 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.
Sun 5/317:34 am
RDU
- EGE
1 stop7h 57m
American Airlines
Thu 6/47:50 am
EGE
- RDU
1 stop8h 42m
American Airlines
Deal found 5/29![American Airlines logo]()
$409
This Super.com deal was found by Cheapflights users on 5/26. 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.
Tue 6/1612:26 pm
RDU
- DEN
Nonstop4h 03m
Frontier
Tue 6/2312:18 pm
DEN
- RDU
1 stop8h 58m
Frontier
Deal found 5/26![Frontier logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 5/27. 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 6/1612:26 pm
RDU
- DEN
Nonstop4h 03m
Frontier
Tue 6/306:00 am
DEN
- RDU
1 stop9h 50m
Frontier
Deal found 5/27![Frontier logo]()
$281
This Super.com deal was found by Cheapflights users on 5/26. 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.
Tue 6/1612:26 pm
RDU
- DEN
Nonstop4h 03m
Frontier
Thu 6/186:03 am
DEN
- RDU
Nonstop3h 28m
Frontier
Deal found 5/26![Frontier logo]()
$291
This Expedia deal was found by Cheapflights users on 5/26. 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.
Wed 6/175:30 pm
RDU
- DEN
1 stop7h 34m
Frontier
Mon 6/2211:46 pm
DEN
- RDU
1 stop10h 13m
Frontier
Deal found 5/26![Frontier logo]()
$289
This Frontier deal was found by Cheapflights users on 5/29. 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.
Fri 6/1912:10 pm
RDU
- DEN
1 stop12h 06m
Frontier
Tue 6/2310:09 am
DEN
- RDU
1 stop11h 07m
Frontier
Deal found 5/29![Frontier logo]()
$290
This Frontier deal was found by Cheapflights users on 5/30. 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 6/2310:14 am
RDU
- DEN
1 stop11h 44m
Frontier
Tue 6/3011:49 pm
DEN
- RDU
1 stop7h 30m
Frontier
Deal found 5/30![Frontier logo]()
$270
This Frontier deal was found by Cheapflights users on 5/30. 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 6/2312:26 pm
RDU
- DEN
Nonstop4h 03m
Frontier
Wed 7/16:00 am
DEN
- RDU
1 stop6h 33m
Frontier
Deal found 5/30![Frontier logo]()
$279
This Frontier deal was found by Cheapflights users on 5/28. 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 6/242:36 pm
RDU
- DEN
1 stop10h 28m
Frontier
Mon 6/296:03 am
DEN
- RDU
Nonstop3h 28m
Frontier
Deal found 5/28![Frontier logo]()
$285
This Frontier deal was found by Cheapflights users on 5/30. 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 6/2412:26 pm
RDU
- DEN
Nonstop4h 03m
Frontier
Wed 7/16:03 am
DEN
- RDU
Nonstop3h 28m
Frontier
Deal found 5/30![Frontier logo]()
$288
This Frontier deal was found by Cheapflights users on 5/30. 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 6/2711:47 am
RDU
- DEN
1 stop12h 29m
Frontier
Tue 6/306:00 am
DEN
- RDU
1 stop9h 50m
Frontier
Deal found 5/30![Frontier logo]()
$284
This Super.com deal was found by Cheapflights users on 5/30. 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.
Tue 6/3012:26 pm
RDU
- DEN
Nonstop4h 03m
Frontier
Tue 7/76:03 am
DEN
- RDU
Nonstop3h 28m
Frontier
Deal found 5/30![Frontier logo]()
$286
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 May 30, 2026.
Search for one-way flight options from Raleigh to Colorado. Find affordable one-way fares based on user searches. Data last updated May 30, 2026.
This Super.com deal was found by Cheapflights users on 5/26. 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 8/2212:26 pm
RDU
- DEN
Nonstop4h 03m
Frontier
Deal found 5/26![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 5/29. 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 8/2912:26 pm
RDU
- DEN
Nonstop4h 03m
Frontier
Deal found 5/29![Frontier logo]()
$89
This Frontier deal was found by Cheapflights users on 5/29. 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 8/2612:26 pm
RDU
- DEN
Nonstop4h 03m
Frontier
Deal found 5/29![Frontier logo]()
$111
This United Airlines deal was found by Cheapflights users on 5/28. 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.
Mon 8/248:15 am
RDU
- DEN
Nonstop3h 50m
United Airlines
Deal found 5/28![United Airlines logo]()
$122
This Frontier deal was found by Cheapflights users on 5/29. 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.
Mon 8/2412:26 pm
RDU
- DEN
Nonstop4h 03m
Frontier
Deal found 5/29![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 5/29. 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 8/2712:26 pm
RDU
- DEN
Nonstop4h 03m
Frontier
Deal found 5/29![Frontier logo]()
$128
This Super.com deal was found by Cheapflights users on 5/26. 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.
Tue 8/1112:26 pm
RDU
- DEN
Nonstop3h 53m
Frontier
Deal found 5/26![Frontier logo]()
$131
This Delta deal was found by Cheapflights users on 5/27. 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.
Sat 8/226:00 am
RDU
- COS
1 stop6h 47m
Delta
Deal found 5/27![Delta logo]()
$132
This Super.com deal was found by Cheapflights users on 5/29. 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.
Tue 7/219:43 am
RDU
- DEN
1 stop7h 15m
Frontier
Deal found 5/29![Frontier logo]()
$134
This Frontier deal was found by Cheapflights users on 5/26. 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 6/175:30 pm
RDU
- DEN
1 stop7h 34m
Frontier
Deal found 5/26![Frontier logo]()
$135
This Super.com deal was found by Cheapflights users on 5/26. 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.
Tue 6/1612:54 pm
RDU
- DEN
1 stop11h 22m
Frontier
Deal found 5/26![Frontier logo]()
$139
This Southwest deal was found by Cheapflights users on 5/27. 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 7/141:15 pm
RDU
- COS
1 stop8h 00m
Southwest
Deal found 5/27![Southwest logo]()
$176
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 May 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $163 (Kiwi.com) |
One-way from | $86 (Super.com) |
Popular in | June |
Cheapest in | January |
Average price | $357 |
Good round-trip deal | $283 or less |
Good one-way deal | $169 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 May 30, 2026.
Use the filters below to find and compare flights from Raleigh to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Thu 9/10
7:25 pm-10:35 pm
1 stop5h 10m
Denver Intl
Tue 9/15
2:20 pm-9:20 pm
1 stop5h 00m
$263
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Tue 10/13
7:15 pm-10:59 pm
1 stop5h 44m
Denver Intl
Fri 10/16
12:59 am-9:50 am
1 stop6h 51m
$263
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Mon 9/14
10:00 am-1:23 pm
1 stop5h 23m
Denver Intl
Sun 9/20
12:59 am-8:43 am
1 stop5h 44m
$263
RaleighAspen
RDU - ASE
RDUASE
Raleigh-Durham
Fri 10/30
6:30 am-12:19 pm
1 stop7h 49m
Aspen Pitkin County
Tue 11/3
7:34 am-5:41 pm
2 stops8h 07m
$356
RaleighAspen
RDU - ASE
RDUASE
Raleigh-Durham
Fri 10/30
5:20 am-11:35 am
1 stop8h 15m
Aspen Pitkin County
Tue 11/3
8:05 am-11:04 pm
2 stops12h 59m
$356
RaleighGrand Junction
RDU - GJT
RDUGJT
Raleigh-Durham
Wed 7/8
5:16 am-10:26 am
1 stop7h 10m
Grand Junction Regnl
Mon 7/13
6:54 pm-8:04 am
2 stops11h 10m
$364
RaleighColorado Springs
RDU - COS
RDUCOS
Raleigh-Durham
Tue 7/7
6:00 am-10:27 am
1 stop6h 27m
Colorado Springs
Tue 7/14
1:40 pm-8:57 pm
1 stop5h 17m
$371
RaleighColorado Springs
RDU - COS
RDUCOS
Raleigh-Durham
Wed 7/1
1:50 pm-9:45 pm
1 stop9h 55m
Colorado Springs
Wed 7/8
5:10 pm-12:40 am
1 stop5h 30m
$376
RaleighVail
RDU - EGE
RDUEGE
Raleigh-Durham
Tue 10/27
8:15 am-12:21 pm
1 stop6h 06m
Vail Eagle County
Wed 10/28
1:30 pm-11:05 pm
1 stop7h 35m
$415
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Wed 9/2
10:15 am-3:10 pm
2 stops6h 55m
Denver Intl
Sun 9/6
1:20 pm-1:00 am
2 stops9h 40m
$418
Showing 1-10 of 60 resultsSorted by cheapest first
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-ASE
RDU-DRO
RDU-GJT
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-ASE
RDU-DRO
What is the cheapest month to book a flight from Raleigh to Colorado?
Currently, April is the cheapest month in which you can book a flight from Raleigh to Colorado (average of $55). Flying from Raleigh to Colorado in December is currently the most expensive (average of $1,174). 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 May 30, 2026.
It’s optimal to fly from Raleigh to Colorado at noon. By choosing this option you can save up to 49% on the cost of your flight, compared to a flight in the morning.
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 May 30, 2026.
The most flights from RDU to USCO are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).
How much does it cost to fly round-trip from Raleigh to Colorado?
How far ahead should I book a flight from Raleigh to Colorado?
Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Raleigh to Colorado. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 May 30, 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. Monday 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 May 30, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited 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
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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.
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 May 30, 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 May 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$97 | Average$249 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$157 | Average$342 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$197 | Average$450 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$198 | Average$454 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$199 | Average$474 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$216 | Average$408 | FlexibilityNo cancel fee | On-timeN/A |