$90+ Cheap flights from Raleigh (RDU) to Fort Collins, CO
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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — DEN
Apr 15 — Apr 221
Round-trip
1 adult, Economy
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Find cheap flights from Raleigh to Fort Collins with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Raleigh-Durham to Fort Collins are usually found in January or September, booked 59 days in advance, depart on a Thursday or Friday and return on a Thursday
Cheap flight deals from Raleigh to Fort Collins
Cheapest
Best
Last-minute
One-way
Cheapest flights from Raleigh to Fort CollinsExplore the most affordable flight options available from Raleigh to Fort Collins. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 16, 2026.
Explore the most affordable flight options available from Raleigh to Fort Collins. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Sun 4/128:35 pm
RDU
- DEN
Nonstop4h 12m
Frontier
Fri 4/171:09 pm
DEN
- RDU
1 stop7h 46m
Frontier
Deal found 3/11![Frontier logo]()
$149
This Super.com deal was found by Cheapflights users on 3/11. 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.
Wed 4/156:55 pm
RDU
- DEN
Nonstop4h 06m
Frontier
Tue 4/211:20 pm
DEN
- RDU
Nonstop3h 24m
Frontier
Deal found 3/11![Frontier logo]()
$151
This Frontier deal was found by Cheapflights users on 3/12. 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.
Fri 4/179:49 pm
RDU
- DEN
Nonstop4h 10m
Frontier
Tue 4/211:20 pm
DEN
- RDU
Nonstop3h 24m
Frontier
Deal found 3/12![Frontier logo]()
$152
This Frontier deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/189:49 pm
RDU
- DEN
Nonstop4h 10m
Frontier
Tue 4/211:20 pm
DEN
- RDU
Nonstop3h 24m
Frontier
Deal found 3/13![Frontier logo]()
$153
This Frontier deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 5/812:26 pm
RDU
- DEN
Nonstop4h 06m
Frontier
Sun 5/1011:54 pm
DEN
- RDU
1 stop6h 10m
Frontier
Deal found 3/13![Frontier logo]()
$154
This CheapOair deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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.
Tue 3/312:26 pm
RDU
- DEN
1 stop9h 33m
Frontier
Tue 4/711:49 pm
DEN
- RDU
1 stop29h 44m
Frontier
Deal found 3/16![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/812:37 pm
RDU
- DEN
1 stop8h 06m
Frontier
Fri 4/1011:56 pm
DEN
- RDU
1 stop6h 01m
Frontier
Deal found 3/13![Frontier logo]()
$156
This Frontier deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 4/216:00 am
RDU
- DEN
1 stop8h 14m
Frontier
Thu 4/236:00 am
DEN
- RDU
1 stop11h 58m
Frontier
Deal found 3/13![Frontier logo]()
$157
This Frontier deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 5/47:45 pm
RDU
- DEN
Nonstop3h 59m
Frontier
Wed 5/136:03 am
DEN
- RDU
Nonstop3h 28m
Frontier
Deal found 3/15![Frontier logo]()
$158
This Frontier deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 4/2310:00 pm
RDU
- DEN
1 stop12h 50m
Frontier
Mon 4/273:45 pm
DEN
- RDU
Nonstop3h 19m
Frontier
Deal found 3/13![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:00 am
RDU
- DEN
1 stop18h 29m
Frontier
Sat 4/253:45 pm
DEN
- RDU
Nonstop3h 19m
Frontier
Deal found 3/14![Frontier logo]()
$160
Best flights from Raleigh to Fort CollinsDiscover carefully curated flight deals from Raleigh to Fort Collins that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 16, 2026.
Discover carefully curated flight deals from Raleigh to Fort Collins that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 16, 2026.
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Thu 4/234:18 pm
RDU
- DEN
Nonstop4h 07m
United Airlines
Sun 4/265:50 pm
DEN
- RDU
Nonstop3h 29m
United Airlines
Deal found 3/11![United Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:15 am
RDU
- DEN
Nonstop3h 50m
Southwest
Mon 4/207:05 pm
DEN
- RDU
Nonstop3h 15m
Southwest
Deal found 3/14![Southwest logo]()
$297
This Sun Country Air deal was found by Cheapflights users on 3/12. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:05 pm
RDU
- DEN
1 stop16h 45m
Sun Country Air
Sun 7/123:42 pm
DEN
- RDU
1 stop23h 19m
Sun Country Air
Deal found 3/12![Sun Country Air logo]()
$467
This Southwest deal was found by Cheapflights users on 3/11. 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.
Sat 4/188:00 am
RDU
- DEN
2 stops7h 40m
Southwest
Wed 4/228:45 am
DEN
- RDU
2 stops7h 15m
Southwest
Deal found 3/11![Southwest logo]()
$357
This Southwest deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 4/86:40 am
RDU
- DEN
2 stops6h 55m
Southwest
Fri 4/1012:55 pm
DEN
- RDU
2 stops7h 20m
Southwest
Deal found 3/14![Southwest logo]()
$397
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Sat 6/204:22 pm
RDU
- DEN
Nonstop4h 03m
United Airlines
Tue 7/79:49 am
DEN
- RDU
Nonstop3h 27m
United Airlines
Deal found 3/11![United Airlines logo]()
$517
This Sun Country Air deal was found by Cheapflights users on 3/11. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/54:35 pm
RDU
- DEN
1 stop18h 15m
Sun Country Air
Sun 7/197:03 pm
DEN
- RDU
1 stop19h 58m
Sun Country Air
Deal found 3/11![Sun Country Air logo]()
$537
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Fri 6/197:45 pm
RDU
- DEN
1 stop6h 45m
United Airlines
Tue 6/239:49 am
DEN
- RDU
Nonstop3h 27m
United Airlines
Deal found 3/11![United Airlines logo]()
$527
This Southwest deal was found by Cheapflights users on 3/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:05 am
RDU
- DEN
2 stops7h 50m
Southwest
Tue 6/912:20 pm
DEN
- RDU
2 stops6h 45m
Southwest
Deal found 3/12![Southwest logo]()
$487
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:50 pm
RDU
- DEN
2 stops8h 55m
Southwest
Mon 6/112:55 pm
DEN
- RDU
2 stops7h 20m
Southwest
Deal found 3/16![Southwest logo]()
$508
This Southwest deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 8/291:55 pm
RDU
- DEN
Nonstop3h 40m
Southwest
Thu 9/36:50 pm
DEN
- RDU
Nonstop3h 20m
Southwest
Deal found 3/14![Southwest logo]()
$517
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 7/266:40 am
RDU
- DEN
2 stops6h 30m
Southwest
Sun 8/23:15 pm
DEN
- RDU
1 stop7h 35m
Southwest
Deal found 3/16![Southwest logo]()
$542
Last-minute flights from Raleigh to Fort CollinsDiscover last-minute flight deals from Raleigh to Fort Collins. Data last updated March 16, 2026 and is based on user searches.
Discover last-minute flight deals from Raleigh to Fort Collins. Data last updated March 16, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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.
Tue 3/312:26 pm
RDU
- DEN
1 stop9h 33m
Frontier
Tue 4/711:49 pm
DEN
- RDU
1 stop29h 44m
Frontier
Deal found 3/16![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/812:37 pm
RDU
- DEN
1 stop8h 06m
Frontier
Fri 4/1011:56 pm
DEN
- RDU
1 stop6h 01m
Frontier
Deal found 3/13![Frontier logo]()
$156
This Frontier deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 4/106:43 pm
RDU
- DEN
Nonstop4h 06m
Frontier
Mon 4/1312:30 pm
DEN
- RDU
Nonstop3h 22m
Frontier
Deal found 3/13![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Sun 4/128:35 pm
RDU
- DEN
Nonstop4h 12m
Frontier
Fri 4/171:09 pm
DEN
- RDU
1 stop7h 46m
Frontier
Deal found 3/11![Frontier logo]()
$149
This Super.com deal was found by Cheapflights users on 3/11. 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.
Wed 4/156:55 pm
RDU
- DEN
Nonstop4h 06m
Frontier
Tue 4/211:20 pm
DEN
- RDU
Nonstop3h 24m
Frontier
Deal found 3/11![Frontier logo]()
$151
This Frontier deal was found by Cheapflights users on 3/12. 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.
Fri 4/179:49 pm
RDU
- DEN
Nonstop4h 10m
Frontier
Tue 4/211:20 pm
DEN
- RDU
Nonstop3h 24m
Frontier
Deal found 3/12![Frontier logo]()
$152
This Frontier deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/189:49 pm
RDU
- DEN
Nonstop4h 10m
Frontier
Tue 4/211:20 pm
DEN
- RDU
Nonstop3h 24m
Frontier
Deal found 3/13![Frontier logo]()
$153
This Super.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 4/216:00 am
RDU
- DEN
1 stop8h 14m
Frontier
Fri 4/2411:59 pm
DEN
- RDU
1 stop7h 07m
Frontier
Deal found 3/13![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:00 am
RDU
- DEN
1 stop18h 29m
Frontier
Sat 4/253:45 pm
DEN
- RDU
Nonstop3h 19m
Frontier
Deal found 3/14![Frontier logo]()
$160
This Super.com deal was found by Cheapflights users on 3/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:49 pm
RDU
- DEN
Nonstop4h 10m
Frontier
Mon 4/271:07 pm
DEN
- RDU
1 stop8h 18m
Frontier
Deal found 3/12![Frontier logo]()
$154
One-way flights from Raleigh to Fort CollinsSearch for one-way flight options from Raleigh to Fort Collins. Find affordable one-way fares based on user searches. Data last updated March 16, 2026.
Search for one-way flight options from Raleigh to Fort Collins. Find affordable one-way fares based on user searches. Data last updated March 16, 2026.
This Super.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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.
Sun 5/310:39 pm
RDU
- DEN
1 stop12h 16m
Frontier
Deal found 3/16![Frontier logo]()
$90
This Frontier deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/199:15 pm
RDU
- DEN
1 stop13h 40m
Frontier
Deal found 3/16![Frontier logo]()
$91
This Super.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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.
Sun 4/128:35 pm
RDU
- DEN
Nonstop4h 12m
Frontier
Deal found 3/13![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Mon 5/113:18 pm
RDU
- DEN
1 stop24h 16m
Frontier
Deal found 3/11![Frontier logo]()
$98
This Frontier deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1712:26 pm
RDU
- DEN
Nonstop4h 06m
Frontier
Deal found 3/15![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Mon 5/183:12 pm
RDU
- DEN
2 stops24h 52m
Frontier
Deal found 3/11![Frontier logo]()
$101
This WAYA deal was found by Cheapflights users on 3/12. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/63:57 pm
RDU
- DEN
1 stop9h 07m
Frontier
Deal found 3/12![Frontier logo]()
$103
This Frontier deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 4/136:43 pm
RDU
- DEN
Nonstop4h 06m
Frontier
Deal found 3/15![Frontier logo]()
$104
This Southwest deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 4/215:20 pm
RDU
- DEN
Nonstop3h 50m
Southwest
Deal found 3/13![Southwest logo]()
$109
Find flight deals from Raleigh to Fort Collins
Keep the following information in mind while searching for Raleigh to Fort Collins flight deals. Data was last updated March 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $151 (Super.com) |
One-way from | $90 (Super.com) |
Popular in | June |
Cheapest in | January |
Average price | $337 |
Cheapflights Fare Finder
Customize your flight search to find flights from Raleigh to Fort Collins 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 March 16, 2026.
Use the filters below to find and compare flights from Raleigh to Fort Collins that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Thu 4/23
4:18 pm-6:25 pm
Nonstop4h 07m
Denver Intl
Sun 4/26
5:50 pm-11:19 pm
Nonstop3h 29m
$257
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Mon 4/13
5:15 am-7:05 am
Nonstop3h 50m
Denver Intl
Mon 4/20
7:05 pm-12:20 am
Nonstop3h 15m
$297
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Sat 4/18
8:00 am-1:40 pm
2 stops7h 40m
Denver Intl
Wed 4/22
8:45 am-6:00 pm
2 stops7h 15m
$357
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Wed 4/8
6:40 am-11:35 am
2 stops6h 55m
Denver Intl
Fri 4/10
12:55 pm-10:15 pm
2 stops7h 20m
$397
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Thu 7/9
6:05 pm-8:50 am
1 stop16h 45m
Denver Intl
Sun 7/12
3:42 pm-5:01 pm
1 stop23h 19m
$467
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Fri 6/5
5:05 am-10:55 am
2 stops7h 50m
Denver Intl
Tue 6/9
12:20 pm-9:05 pm
2 stops6h 45m
$487
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Thu 5/28
4:50 pm-11:45 pm
2 stops8h 55m
Denver Intl
Mon 6/1
12:55 pm-10:15 pm
2 stops7h 20m
$508
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Sat 6/20
4:22 pm-6:25 pm
Nonstop4h 03m
Denver Intl
Tue 7/7
9:49 am-3:16 pm
Nonstop3h 27m
$517
Quickest round-trip
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Sat 8/29
1:55 pm-3:35 pm
Nonstop3h 40m
Denver Intl
Thu 9/3
6:50 pm-12:10 am
Nonstop3h 20m
$517
RaleighDenver
RDU - DEN
RDUDEN
Raleigh-Durham
Fri 6/19
7:45 pm-12:30 am
1 stop6h 45m
Denver Intl
Tue 6/23
9:49 am-3:16 pm
Nonstop3h 27m
$527
Showing 1-10 of 24 resultsSorted by cheapest first
Best time to book a flight from Raleigh to Fort Collins
Have a flexible travel schedule? Discover the best time to fly to Fort Collins from Raleigh with our price prediction graph.
RDU-DEN
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 Fort Collins
RDU-FC9
RDU-DEN
How far ahead should I book a flight from Raleigh to Fort Collins?
Use this chart to determine the optimal time to book a round-trip flight from Raleigh to Fort Collins. Price data was last updated on March 13, 2026.
Booking 59 days in advance of your planned departure date is, on average, the best time to get cheap flights from Raleigh to Fort Collins. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Raleigh to Fort Collins?
Currently, January is the cheapest month in which you can book a flight from Raleigh to Fort Collins (average of $86). Flying from Raleigh to Fort Collins in June is currently the most expensive (average of $176). 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 FC9?
Find hourly flight availability from Raleigh to Fort Collins. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 16, 2026.
It’s optimal to fly from Raleigh to Fort Collins at noon. By choosing this option you can save up to 46% on the cost of your flight, compared to a flight in the morning.
What is the cheapest day to fly from Raleigh to Fort Collins?
Use this chart to determine the cheapest time to fly round-trip from Raleigh to Fort Collins. Price data was last updated on March 14, 2026.
Travelers seeking maximum savings on their Raleigh to Fort Collins flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Raleigh to Fort Collins
Explore weekly flight availability from Raleigh to Fort Collins. 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 March 16, 2026.
The most flights from RDU to FC9 are scheduled on a Sunday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).
Reviews of airlines servicing Fort Collins
Get insights into the airlines that provide service to Fort Collins. 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 Fort Collins. Reviews last updated March 16, 2026.
Read through reviews of airlines operating flights from Raleigh to Fort Collins, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Related info for your journey
Find useful and relevant information for your journey from Raleigh to Fort Collins. 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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Top 6 airlines flying from Raleigh to Fort Collins
Discover the top 6 airlines that operate flights from Raleigh to Fort Collins. 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 March 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$100 | Average$245 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$128 | Average$279 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$157 | Average$335 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$183 | Average$393 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$201 | Average$362 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$207 | Average$286 | FlexibilityNo cancel fee | On-time71% |