$114+ Cheap flights from Raleigh to Denver (RDU - DEN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — DEN
Oct 6 — Oct 131
Round-trip
1 adult, Economy
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Find cheap flights from Raleigh to Denver 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 Denver Intl are usually found in January or February, booked 51 days in advance, depart on a Thursday or Friday and return on a Friday
Cheap flight deals from Raleigh to Denver
Cheapest
Best
Last-minute
One-way
Cheapest flights from Raleigh to DenverExplore the most affordable flight options available from Raleigh to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 6, 2026.
Explore the most affordable flight options available from Raleigh to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 6, 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 9/2. 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.
Tue 9/291:56 pm -
1 stop9h 07m
Sat 10/106:57 pm -
1 stop15h 24m
Deal found 9/2![Frontier logo]()
$220
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:26 pm -
1 stop20h 46m
Tue 10/207:09 pm -
1 stop23h 26m
Deal found 9/2![Frontier logo]()
$221
This FlightHub deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/134:20 pm -
1 stop7h 11m
Wed 10/2110:38 am -
1 stop7h 57m
Deal found 9/5![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 CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:17 pm -
Nonstop3h 58m
Mon 10/511:46 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 stops17h 04m
Wed 9/3012:24 pm -
1 stop10h 05m
Deal found 9/2![Frontier logo]()
$226
This Frontier deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/214:20 pm -
1 stop7h 11m
Sat 10/246:05 am -
2 stops16h 23m
Deal found 9/3![Frontier logo]()
$227
This Frontier deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 10/315:19 pm -
Nonstop4h 11m
Sat 11/710:41 am -
1 stop10h 18m
Deal found 9/5![Frontier logo]()
$228
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.
Fri 9/254:49 pm -
1 stop7h 19m
Wed 9/3012:24 pm -
1 stop10h 05m
Deal found 9/2![Frontier logo]()
$229
Best flights from Raleigh to DenverDiscover carefully curated flight deals from Raleigh to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 6, 2026.
Discover carefully curated flight deals from Raleigh to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 6, 2026.
This Southwest deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 11/34:15 pm -
1 stop5h 10m
Tue 11/105:55 pm -
Nonstop3h 15m
Deal found 9/5![Southwest logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Wed 11/185:22 pm -
2 stops23h 05m
Tue 12/18:20 am -
1 stop31h 39m
Deal found 9/3![Alaska Airlines logo]()
$468
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/224:27 pm -
Nonstop3h 52m
Sun 10/254:18 pm -
Nonstop3h 17m
Deal found 9/3![United Airlines logo]()
$645
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/276:35 am -
2 stops6h 20m
Sat 10/311:30 am -
2 stops6h 50m
Deal found 9/3![Southwest logo]()
$440
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 11/198:05 am -
2 stops7h 40m
Sat 11/212:50 pm -
2 stops5h 50m
Deal found 9/1![Southwest logo]()
$452
This Alaska Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Fri 10/235:22 pm -
2 stops22h 46m
Mon 10/265:57 pm -
2 stops21h 44m
Deal found 9/3![Alaska Airlines logo]()
$549
This Southwest deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 11/125:45 am -
Nonstop4h 00m
Sun 11/1510:40 am -
Nonstop3h 05m
Deal found 9/5![Southwest logo]()
$492
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:30 am -
2 stops7h 00m
Fri 10/161:45 pm -
2 stops7h 55m
Deal found 9/2![Southwest logo]()
$518
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:50 pm -
2 stops26h 42m
Sun 9/278:08 am -
2 stops19h 33m
Deal found 9/1![Alaska Airlines logo]()
$637
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:50 pm -
2 stops26h 20m
Mon 9/281:43 pm -
1 stop26h 27m
Deal found 9/2![Alaska Airlines logo]()
$663
This Southwest deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/16:15 pm -
Nonstop3h 50m
Sun 10/47:35 pm -
Nonstop3h 20m
Deal found 9/4![Southwest logo]()
$563
Last-minute flights from Raleigh to DenverDiscover last-minute flight deals from Raleigh to Denver. Data last updated September 6, 2026 and is based on user searches.
Discover last-minute flight deals from Raleigh to Denver. Data last updated September 6, 2026 and is based on user searches.
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 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 stops17h 04m
Wed 9/3012:24 pm -
1 stop10h 05m
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 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.
Fri 9/254:49 pm -
1 stop7h 19m
Wed 9/3012:24 pm -
1 stop10h 05m
Deal found 9/2![Frontier logo]()
$229
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.
Tue 9/291:56 pm -
1 stop9h 07m
Sat 10/106:57 pm -
1 stop15h 24m
Deal found 9/2![Frontier logo]()
$220
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:17 pm -
Nonstop3h 58m
Mon 10/511:46 am -
Nonstop3h 36m
Deal found 9/2![Frontier logo]()
$225
This FlightHub deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/134:20 pm -
1 stop7h 11m
Wed 10/2110:38 am -
1 stop7h 57m
Deal found 9/5![Frontier logo]()
$222
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:26 pm -
1 stop20h 46m
Tue 10/207:09 pm -
1 stop23h 26m
Deal found 9/2![Frontier logo]()
$221
This Frontier deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/214:20 pm -
1 stop7h 11m
Thu 10/226:30 am -
2 stops14h 18m
Deal found 9/3![Frontier logo]()
$227
This Frontier deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 10/315:19 pm -
Nonstop4h 11m
Sat 11/710:41 am -
1 stop10h 18m
Deal found 9/5![Frontier logo]()
$228
One-way flights from Raleigh to DenverSearch for one-way flight options from Raleigh to Denver. Find affordable one-way fares based on user searches. Data last updated September 6, 2026.
Search for one-way flight options from Raleigh to Denver. Find affordable one-way fares based on user searches. Data last updated September 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 12/44:05 pm -
1 stop18h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$114
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 9/286:35 am -
2 stops17h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$115
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 9/271:56 pm -
2 stops33h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/65:27 pm -
2 stops29h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 10/76:35 am -
2 stops11h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$119
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
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/55:26 pm -
1 stop8h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/306:30 am -
2 stops27h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/296:35 am -
2 stops11h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 stops26h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 9/306:35 am -
2 stops11h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$125
Find flight deals from Raleigh to Denver
Discover tips and strategies to find the most affordable flight options for your journey from Raleigh (RDU) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $218 (Frontier) |
One-way from | $114 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $349 |
Good round-trip deal | $300 or less |
Good one-way deal | $183 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Raleigh to Denver 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 6, 2026.
Use the filters below to find and compare flights from Raleigh to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Tue 10/27
8:00 am-10:05 am
Nonstop4h 05m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$129
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Thu 2/25
7:58 pm-12:23 am
1 stop6h 25m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$139
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Mon 12/21
8:03 pm-12:15 am
1 stop6h 12m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$139
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Fri 10/9
5:50 pm-11:50 pm
2 stops8h 00m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$155
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Thu 1/14
5:55 am-8:00 am
Nonstop4h 05m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$211
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Tue 11/3
4:17 pm-6:22 pm
Nonstop4h 05m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$256
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Wed 3/3
4:00 pm-5:59 pm
Nonstop3h 59m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$256
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Thu 12/3
4:00 pm-5:59 pm
Nonstop3h 59m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$256
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Mon 3/1
8:15 am-10:14 am
Nonstop3h 59m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$256
Quickest round-trip
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Sun 1/24
5:15 pm-7:05 pm
Nonstop3h 50m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$282
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Raleigh to Denver
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Raleigh to Denver in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Raleigh-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Raleigh-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Raleigh-Denver flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Raleigh-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Raleigh-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Raleigh to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver 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 Denver
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How far ahead should I book a flight from Raleigh to Denver?
To ensure you get the cheapest price possible for a flight from Raleigh to Denver, you should look to book at least 50 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Raleigh to Denver?
Currently, January is the cheapest month in which you can book a flight from Raleigh to Denver (average of $245). Flying from Raleigh to Denver in July is currently the most expensive (average of $456). 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 DEN?
Find hourly flight availability from Raleigh to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 6, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 42% on flights from Raleigh to Denver by exploring options for tickets at noon.
What is the cheapest day to fly from Raleigh to Denver?
Use this chart to determine the cheapest time to fly round-trip from Raleigh to Denver. Price data was last updated on August 29, 2026.
Travelers seeking maximum savings on their Raleigh to Denver flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Raleigh to Denver delayed?
About 13% of weekly flights between Raleigh and Denver have experienced delays in the past year, with the average delay time being 150 minutes.
What is the most punctual flight time for Raleigh to Denver flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Raleigh to Denver flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 9% of flights being delayed.
What’s the top layover airport for flights from Raleigh to Denver?
Share of 1-stop round-trip flights from Raleigh to Denver chosen by Cheapflights users in the past 12 months, using the same layover each way.
Dallas (DFW) – chosen by Cheapflights users on 75% of 1-stop itineraries from Raleigh to Denver on Cheapflights.
What’s the cheapest layover airport for flights from Raleigh to Denver?
Average round-trip fare for 1-stop flights from Raleigh to Denver, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of $280.
What’s the fastest layover option from Raleigh to Denver?
Shortest average travel time for 1-stop one-way flights from Raleigh to Denver, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Dallas (DFW) have the shortest average one-way travel time for 1-stop routes: 8h 56m.
Which airport typically offers the quickest layover for flights from Raleigh to Denver?
Average layover duration for 1-stop one-way flights from Raleigh to Denver, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Dallas (DFW) offer the fastest connection on this route, with an average layover time of 2h 03m.
The best insider tips for Raleigh to Denver flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Raleigh to Denver trip
Our travel experts
Reviews of airlines servicing Denver
Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated September 6, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Raleigh to Denver. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Raleigh to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsThornton
Westminster
Lakewood
Black Hawk
Centennial
Broomfield
Golden
Wheat Ridge
Silverthorne
Central City
Fort Morgan
Greeley
Cripple Creek
Winter Park
Limon
Manitou Springs
Frisco
Englewood
Glendale
Evergreen
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Other flights to Denver
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Raleigh and Denver flights
Browse other Raleigh and Denver flight options. Last updated on September 6, 2026.
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Top 6 airlines flying from Raleigh to Denver
Discover the top 6 airlines that operate flights from Raleigh to Denver. 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 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$273 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$157 | Average$342 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$200 | Average$371 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$212 | Average$469 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$226 | Average$360 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$229 | Average$456 | FlexibilityNo cancel fee | On-time63% |