$115+ Cheap flights from Raleigh (RDU) to Colorado
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — DEN
Oct 2 — Oct 91
Round-trip
1 adult, Economy
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Find cheap flights from Raleigh to Colorado with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 September 2, 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 September 2, 2026.
This Frontier deal was found by Cheapflights users on 9/1. 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 9/2212:21 pm -
1 stop11h 28m
Tue 9/2910:44 am -
1 stop11h 45m
Deal found 9/1![Frontier logo]()
$218
This Frontier deal was found by Cheapflights users on 9/1. 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 9/256:17 pm -
Nonstop3h 58m
Mon 9/287:12 pm -
1 stop11h 57m
Deal found 9/1![Frontier logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 9/291:56 pm -
2 stops33h 43m
Tue 10/610:44 am -
1 stop11h 45m
Deal found 9/1![Frontier logo]()
$220
This Frontier deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:35 am -
2 stops17h 04m
Wed 10/74:36 pm -
1 stop5h 53m
Deal found 9/2![Frontier logo]()
$221
This Expedia deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:35 pm -
1 stop20h 02m
Tue 9/2910:44 am -
1 stop11h 45m
Deal found 9/2![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:35 am -
2 stops11h 26m
Fri 9/2511:46 am -
Nonstop3h 36m
Deal found 9/2![Frontier logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:56 pm -
1 stop20h 08m
Wed 9/2311:46 am -
Nonstop3h 36m
Deal found 9/2![Frontier logo]()
$225
This Frontier deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:35 am -
2 stops11h 26m
Sat 9/2610:44 am -
1 stop11h 45m
Deal found 9/2![Frontier logo]()
$226
This Frontier deal was found by Cheapflights users on 8/28. 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 9/306:17 pm -
Nonstop3h 58m
Mon 10/511:46 am -
Nonstop3h 36m
Deal found 8/28![Frontier logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/261:56 pm -
1 stop9h 28m
Sat 10/310:28 am -
1 stop8h 10m
Deal found 8/30![Frontier logo]()
$228
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:05 am -
1 stop6h 50m
Sat 10/1711:33 am -
1 stop8h 06m
Deal found 9/2![United Airlines logo]()
$351
This United Airlines deal was found by Cheapflights users on 9/1. 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 10/106:05 am -
1 stop6h 50m
Wed 10/216:00 am -
2 stops8h 03m
Deal found 9/1![United Airlines logo]()
$356
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 September 2, 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 September 2, 2026.
This Southwest deal was found by Cheapflights users on 9/1. 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 10/216:10 am -
Nonstop3h 50m
Sat 10/245:45 pm -
Nonstop3h 20m
Deal found 9/1![Southwest logo]()
$257
This United Airlines deal was found by Cheapflights users on 9/1. 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 10/106:05 am -
1 stop6h 50m
Mon 10/191:29 pm -
1 stop6h 10m
Deal found 9/1![United Airlines logo]()
$351
This American Airlines deal was found by Cheapflights users on 8/28. 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.
Sun 11/16:00 am -
1 stop8h 47m
Sat 11/711:58 am -
2 stops9h 31m
Deal found 8/28![American Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 8/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:20 am -
1 stop7h 01m
Tue 10/207:30 am -
1 stop7h 28m
Deal found 8/29![Delta logo]()
$381
This Southwest deal was found by Cheapflights users on 8/31. 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 1/306:35 am -
2 stops7h 10m
Sat 2/65:30 am -
2 stops8h 30m
Deal found 8/31![Southwest logo]()
$287
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/306:05 am -
1 stop6h 50m
Mon 10/511:57 am -
1 stop7h 49m
Deal found 9/1![United Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 9/65:55 pm -
2 stops21h 35m
Fri 9/182:00 pm -
1 stop25h 22m
Deal found 9/1![Multiple Airlines logo]()
$777
This Southwest deal was found by Cheapflights users on 9/1. 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 9/2910:15 am -
2 stops6h 55m
Sat 10/311:30 am -
2 stops6h 50m
Deal found 9/1![Southwest logo]()
$370
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/294:27 pm -
1 stop6h 11m
Tue 10/65:15 am -
2 stops8h 48m
Deal found 9/1![United Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:56 pm -
1 stop7h 06m
Thu 10/2911:44 am -
2 stops10h 13m
Deal found 9/2![American Airlines logo]()
$436
This United Airlines deal was found by Cheapflights users on 8/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:05 am -
2 stops9h 23m
Tue 10/61:44 pm -
1 stop5h 55m
Deal found 8/30![United Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:56 pm -
1 stop7h 06m
Fri 10/3012:54 pm -
2 stops9h 03m
Deal found 9/2![American Airlines logo]()
$436
This Southwest deal was found by Cheapflights users on 9/1. 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 10/155:50 am -
Nonstop3h 50m
Tue 10/206:00 pm -
Nonstop3h 20m
Deal found 9/1![Southwest logo]()
$413
This United Airlines deal was found by Cheapflights users on 8/31. 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 11/44:17 pm -
1 stop7h 42m
Mon 11/91:47 pm -
1 stop5h 48m
Deal found 8/31![United Airlines logo]()
$388
This Southwest deal was found by Cheapflights users on 8/28. 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 10/15:50 am -
Nonstop3h 50m
Wed 10/76:00 pm -
Nonstop3h 20m
Deal found 8/28![Southwest logo]()
$421
This American Airlines deal was found by Cheapflights users on 9/1. 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 9/286:00 am -
1 stop8h 17m
Thu 10/18:00 am -
1 stop8h 36m
Deal found 9/1![American Airlines logo]()
$472
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:27 pm -
1 stop7h 48m
Sat 10/1711:19 am -
1 stop8h 20m
Deal found 9/2![United Airlines logo]()
$407
This Southwest deal was found by Cheapflights users on 8/31. 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 9/231:25 pm -
1 stop5h 35m
Mon 9/284:20 pm -
1 stop5h 55m
Deal found 8/31![Southwest logo]()
$443
This American Airlines deal was found by Cheapflights users on 8/31. 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 10/262:13 pm -
1 stop6h 49m
Tue 11/38:00 am -
1 stop8h 40m
Deal found 8/31![American Airlines logo]()
$490
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:17 pm -
1 stop7h 46m
Wed 11/1111:34 am -
1 stop8h 01m
Deal found 8/31![United Airlines logo]()
$441
This Southwest deal was found by Cheapflights users on 8/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:30 am -
1 stop5h 45m
Wed 10/712:40 pm -
1 stop6h 30m
Deal found 8/30![Southwest logo]()
$445
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/284:27 pm -
1 stop7h 39m
Wed 9/305:30 am -
2 stops8h 33m
Deal found 9/1![United Airlines logo]()
$446
This Southwest deal was found by Cheapflights users on 8/28. 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 10/165:50 pm -
2 stops8h 00m
Tue 10/201:30 pm -
2 stops5h 55m
Deal found 8/28![Southwest logo]()
$452
This American Airlines deal was found by Cheapflights users on 8/28. 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.
Tue 10/610:26 am -
2 stops11h 55m
Mon 10/1212:48 pm -
1 stop9h 11m
Deal found 8/28![American Airlines logo]()
$582
This United Airlines deal was found by Cheapflights users on 8/31. 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 10/266:15 am -
2 stops8h 11m
Tue 11/31:31 pm -
1 stop6h 04m
Deal found 8/31![United Airlines logo]()
$448
This Southwest deal was found by Cheapflights users on 8/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:45 am -
2 stops7h 50m
Sat 10/310:05 am -
2 stops9h 40m
Deal found 8/30![Southwest logo]()
$453
This United Airlines deal was found by Cheapflights users on 8/29. 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 10/318:05 am -
2 stops11h 02m
Wed 11/41:35 pm -
1 stop6h 00m
Deal found 8/29![United Airlines logo]()
$454
This Southwest deal was found by Cheapflights users on 8/28. 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.
Sun 10/115:30 am -
Nonstop3h 50m
Thu 10/157:05 pm -
Nonstop3h 20m
Deal found 8/28![Southwest logo]()
$492
This United Airlines deal was found by Cheapflights users on 9/1. 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 10/314:17 pm -
1 stop6h 20m
Wed 11/41:47 pm -
1 stop5h 48m
Deal found 9/1![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/88:00 am -
1 stop6h 39m
Sat 11/147:10 am -
2 stops12h 51m
Deal found 9/2![United Airlines logo]()
$464
Last-minute flights from Raleigh to ColoradoDiscover last-minute flight deals from Raleigh to Colorado. Data last updated September 2, 2026 and is based on user searches.
Discover last-minute flight deals from Raleigh to Colorado. Data last updated September 2, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:56 pm -
1 stop20h 08m
Wed 9/2311:46 am -
Nonstop3h 36m
Deal found 9/2![Frontier logo]()
$225
This Frontier deal was found by Cheapflights users on 9/1. 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 9/2212:21 pm -
1 stop11h 28m
Sat 9/2610:28 am -
1 stop8h 10m
Deal found 9/1![Frontier logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:35 am -
2 stops11h 26m
Fri 9/2511:46 am -
Nonstop3h 36m
Deal found 9/2![Frontier logo]()
$223
This Frontier deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:35 am -
2 stops11h 26m
Sat 9/2610:44 am -
1 stop11h 45m
Deal found 9/2![Frontier logo]()
$226
This Frontier deal was found by Cheapflights users on 9/1. 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 9/256:17 pm -
Nonstop3h 58m
Mon 9/287:12 pm -
1 stop11h 57m
Deal found 9/1![Frontier logo]()
$219
This Expedia deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:35 pm -
1 stop20h 02m
Tue 9/2910:44 am -
1 stop11h 45m
Deal found 9/2![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/261:56 pm -
1 stop9h 28m
Sat 10/310:28 am -
1 stop8h 10m
Deal found 8/30![Frontier logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 9/291:56 pm -
2 stops33h 43m
Tue 10/610:44 am -
1 stop11h 45m
Deal found 9/1![Frontier logo]()
$220
This Frontier deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:35 am -
2 stops17h 04m
Wed 10/74:36 pm -
1 stop5h 53m
Deal found 9/2![Frontier logo]()
$221
This Frontier deal was found by Cheapflights users on 8/28. 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 9/306:17 pm -
Nonstop3h 58m
Mon 10/511:46 am -
Nonstop3h 36m
Deal found 8/28![Frontier logo]()
$227
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:05 am -
1 stop6h 50m
Sat 10/1711:33 am -
1 stop8h 06m
Deal found 9/2![United Airlines logo]()
$351
This United Airlines deal was found by Cheapflights users on 9/1. 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 10/106:05 am -
1 stop6h 50m
Wed 10/216:00 am -
2 stops8h 03m
Deal found 9/1![United Airlines logo]()
$356
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 September 2, 2026.
Search for one-way flight options from Raleigh to Colorado. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
This Frontier deal was found by Cheapflights users on 8/28. 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.
Tue 9/2212:21 pm -
1 stop11h 28m
Deal found 8/28![Frontier logo]()
$115
This Super.com deal was found by Cheapflights users on 9/1. 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.
Fri 10/95:26 pm -
1 stop8h 52m
Deal found 9/1![Frontier logo]()
$119
This Frontier deal was found by Cheapflights users on 8/28. 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.
Fri 9/254:49 pm -
1 stop7h 19m
Deal found 8/28![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/129:30 pm -
2 stops36h 36m
Deal found 9/2![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:00 am -
1 stop28h 26m
Deal found 8/30![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 8/29. 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.
Mon 10/59:35 pm -
2 stops25h 28m
Deal found 8/29![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 8/29. 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.
Mon 9/214:49 pm -
1 stop17h 19m
Deal found 8/29![Frontier logo]()
$124
This Frontier deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:35 am -
2 stops17h 04m
Deal found 9/2![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 8/29. 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.
Fri 10/309:30 pm -
2 stops26h 02m
Deal found 8/29![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/139:46 pm -
1 stop21h 34m
Deal found 9/2![Multiple Airlines logo]()
$172
This Delta deal was found by Cheapflights users on 8/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:15 am -
1 stop8h 06m
Deal found 8/29![Delta logo]()
$191
This American Airlines deal was found by Cheapflights users on 8/29. 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 10/45:02 am -
2 stops9h 19m
Deal found 8/29![American Airlines logo]()
$196
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 September 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $218 (Frontier) |
One-way from | $115 (Frontier) |
Popular in | July |
Cheapest in | January |
Average price | $343 |
Good round-trip deal | $301 or less |
Good one-way deal | $160 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 7,457,451 searches. Data last updated September 2, 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 Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Wed 10/21
6:10 am-8:00 am
Nonstop3h 50m
Denver Intl
Sat 10/24
5:45 pm-11:05 pm
Nonstop3h 20m
$257
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Sat 1/30
6:35 am-11:45 am
2 stops7h 10m
Denver Intl
Sat 2/6
5:30 am-4:00 pm
2 stops8h 30m
$287
RaleighColorado Springs
RDU Raleigh-Durham - COS Colorado Springs
RDUCOS
Raleigh-Durham
Sat 10/10
6:05 am-10:55 am
1 stop6h 50m
Colorado Springs
Mon 10/19
1:29 pm-9:39 pm
1 stop6h 10m
$351
RaleighColorado Springs
RDU Raleigh-Durham - COS Colorado Springs
RDUCOS
Raleigh-Durham
Wed 9/30
6:05 am-10:55 am
1 stop6h 50m
Colorado Springs
Mon 10/5
11:57 am-9:46 pm
1 stop7h 49m
$351
RaleighGrand Junction
RDU Raleigh-Durham - GJT Grand Junction Regnl
RDUGJT
Raleigh-Durham
Sun 11/1
6:00 am-12:47 pm
1 stop8h 47m
Grand Junction Regnl
Sat 11/7
11:58 am-11:29 pm
2 stops9h 31m
$364
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Tue 9/29
10:15 am-3:10 pm
2 stops6h 55m
Denver Intl
Sat 10/3
11:30 am-8:20 pm
2 stops6h 50m
$370
RaleighDurango
RDU Raleigh-Durham - DRO Durango La Plata County
RDUDRO
Raleigh-Durham
Tue 9/29
4:27 pm-8:38 pm
1 stop6h 11m
Durango La Plata County
Tue 10/6
5:15 am-4:03 pm
2 stops8h 48m
$379
RaleighAspen
RDU Raleigh-Durham - ASE Aspen Pitkin County
RDUASE
Raleigh-Durham
Tue 10/13
6:20 am-11:21 am
1 stop7h 01m
Aspen Pitkin County
Tue 10/20
7:30 am-4:58 pm
1 stop7h 28m
$381
RaleighVail
RDU Raleigh-Durham - EGE Vail Eagle County
RDUEGE
Raleigh-Durham
Tue 9/29
7:05 am-2:28 pm
2 stops9h 23m
Vail Eagle County
Tue 10/6
1:44 pm-9:39 pm
1 stop5h 55m
$384
RaleighGrand Junction
RDU Raleigh-Durham - GJT Grand Junction Regnl
RDUGJT
Raleigh-Durham
Wed 11/4
4:17 pm-9:59 pm
1 stop7h 42m
Grand Junction Regnl
Mon 11/9
1:47 pm-9:35 pm
1 stop5h 48m
$388
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-GJT
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-ASE
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 $288). Flying from Raleigh to Colorado in July is currently the most expensive (average of $481). 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 September 2, 2026.
It’s optimal to fly from Raleigh to Colorado at noon. By choosing this option you can save up to 42% on the cost of your flight, compared to a flight in the morning.
How much does it cost to fly round-trip from Raleigh to Colorado?
Airfare is below average for this route at the moment.
Raleigh to Colorado flights typically cost between $250 and $464 in September.The cheapest round-trip price found within the last 5 days was $218 on Frontier (Sep 22-Sep 29).
How far ahead should I book a flight from Raleigh to Colorado?
Booking 50 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 August 29, 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.
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 September 2, 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.
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
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
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Raleigh and Colorado flights
Browse other Raleigh and Colorado flight options. Last updated on September 2, 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 7,457,451 searches. Data last updated September 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$270 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$157 | Average$342 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$183 | Average$425 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$200 | Average$513 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$213 | Average$460 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$224 | Average$485 | FlexibilityNo cancel fee | On-time63% |