$124+ Cheap flights from Raleigh to Denver (RDU - DEN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — DEN
Sep 7 — Sep 141
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 49 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 August 8, 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 August 8, 2026.
This Frontier deal was found by Cheapflights users on 8/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:58 pm -
1 stop23h 20m
Fri 9/1111:46 am -
Nonstop3h 36m
Deal found 8/4![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/246:05 am -
2 stops10h 38m
Tue 8/251:38 pm -
Nonstop3h 31m
Deal found 8/3![Frontier logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:55 pm -
1 stop7h 12m
Tue 9/811:59 pm -
1 stop10h 39m
Deal found 8/7![Frontier logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/246:05 am -
2 stops10h 38m
Wed 8/261:38 pm -
Nonstop3h 31m
Deal found 8/3![Frontier logo]()
$241
This Frontier deal was found by Cheapflights users on 8/3. 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.
Sat 9/57:54 pm -
Nonstop3h 55m
Wed 9/911:46 am -
Nonstop3h 36m
Deal found 8/3![Frontier logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Thu 8/277:54 pm -
Nonstop3h 55m
Sun 8/301:28 pm -
Nonstop3h 31m
Deal found 8/4![Frontier logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/24:02 pm -
1 stop8h 08m
Thu 9/176:40 am -
1 stop7h 51m
Deal found 8/6![Frontier logo]()
$245
This Expedia deal was found by Cheapflights users on 8/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:30 pm -
1 stop13h 33m
Thu 9/107:12 pm -
1 stop19h 19m
Deal found 8/3![Frontier logo]()
$246
This Frontier deal was found by Cheapflights users on 8/5. 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 9/191:56 pm -
1 stop9h 28m
Sat 9/2610:28 am -
1 stop8h 10m
Deal found 8/5![Frontier logo]()
$247
This Frontier deal was found by Cheapflights users on 8/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:56 pm -
1 stop9h 28m
Thu 9/249:19 pm -
1 stop11h 51m
Deal found 8/4![Frontier logo]()
$248
This Frontier deal was found by Cheapflights users on 8/3. 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.
Thu 9/174:49 pm -
1 stop7h 19m
Thu 9/2410:44 am -
1 stop11h 45m
Deal found 8/3![Frontier logo]()
$249
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 August 8, 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 August 8, 2026.
This Southwest deal was found by Cheapflights users on 8/4. 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.
Tue 9/295:30 pm -
Nonstop3h 40m
Tue 10/66:00 pm -
Nonstop3h 15m
Deal found 8/4![Southwest logo]()
$345
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/24:23 pm -
Nonstop3h 57m
Mon 9/75:55 pm -
Nonstop3h 31m
Deal found 8/6![United Airlines logo]()
$414
This Southwest deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:15 am -
2 stops9h 20m
Wed 9/3011:15 am -
2 stops7h 45m
Deal found 8/7![Southwest logo]()
$375
This United Airlines deal was found by Cheapflights users on 8/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:40 am -
2 stops11h 29m
Tue 9/811:59 pm -
1 stop6h 58m
Deal found 8/4![United Airlines logo]()
$460
This Southwest deal was found by Cheapflights users on 8/5. 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.
Sat 10/36:00 am -
2 stops9h 50m
Sat 10/1011:30 am -
2 stops6h 50m
Deal found 8/5![Southwest logo]()
$425
This Southwest deal was found by Cheapflights users on 8/3. 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.
Fri 8/286:00 am -
2 stops7h 00m
Mon 8/3111:50 am -
2 stops7h 15m
Deal found 8/3![Southwest logo]()
$425
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/84:23 pm -
Nonstop3h 55m
Thu 9/105:55 pm -
Nonstop3h 31m
Deal found 8/7![United Airlines logo]()
$485
This Southwest deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 pm -
2 stops7h 55m
Mon 10/1911:25 am -
2 stops7h 40m
Deal found 8/6![Southwest logo]()
$425
This Southwest deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/810:15 am -
2 stops6h 55m
Thu 9/1012:10 pm -
2 stops7h 00m
Deal found 8/7![Southwest logo]()
$425
This Southwest deal was found by Cheapflights users on 8/3. 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.
Mon 8/244:05 pm -
Nonstop3h 40m
Sun 8/307:30 pm -
Nonstop3h 20m
Deal found 8/3![Southwest logo]()
$444
This Southwest deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 pm -
2 stops7h 55m
Sun 10/187:25 am -
2 stops6h 30m
Deal found 8/7![Southwest logo]()
$491
This Southwest deal was found by Cheapflights users on 8/5. 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 9/36:00 am -
2 stops7h 00m
Sun 9/612:40 pm -
2 stops6h 45m
Deal found 8/5![Southwest logo]()
$524
Last-minute flights from Raleigh to DenverDiscover last-minute flight deals from Raleigh to Denver. Data last updated August 8, 2026 and is based on user searches.
Discover last-minute flight deals from Raleigh to Denver. Data last updated August 8, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/246:05 am -
2 stops10h 38m
Tue 8/251:38 pm -
Nonstop3h 31m
Deal found 8/3![Frontier logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/246:05 am -
2 stops10h 38m
Wed 8/261:38 pm -
Nonstop3h 31m
Deal found 8/3![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Thu 8/277:54 pm -
Nonstop3h 55m
Sun 8/301:28 pm -
Nonstop3h 31m
Deal found 8/4![Frontier logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/24:02 pm -
1 stop8h 08m
Thu 9/176:40 am -
1 stop7h 51m
Deal found 8/6![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:55 pm -
1 stop7h 12m
Tue 9/811:59 pm -
1 stop10h 39m
Deal found 8/7![Frontier logo]()
$240
This Expedia deal was found by Cheapflights users on 8/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:30 pm -
1 stop13h 33m
Thu 9/107:12 pm -
1 stop19h 19m
Deal found 8/3![Frontier logo]()
$246
This Frontier deal was found by Cheapflights users on 8/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:58 pm -
1 stop23h 20m
Fri 9/1111:46 am -
Nonstop3h 36m
Deal found 8/4![Frontier logo]()
$238
This Frontier deal was found by Cheapflights users on 8/3. 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.
Sat 9/57:54 pm -
Nonstop3h 55m
Wed 9/911:46 am -
Nonstop3h 36m
Deal found 8/3![Frontier logo]()
$242
This Frontier deal was found by Cheapflights users on 8/3. 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.
Thu 9/174:49 pm -
1 stop7h 19m
Thu 9/2410:44 am -
1 stop11h 45m
Deal found 8/3![Frontier logo]()
$249
This Frontier deal was found by Cheapflights users on 8/5. 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 9/191:56 pm -
1 stop9h 28m
Sat 9/2610:28 am -
1 stop8h 10m
Deal found 8/5![Frontier logo]()
$247
This Frontier deal was found by Cheapflights users on 8/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:56 pm -
1 stop9h 28m
Thu 9/249:19 pm -
1 stop11h 51m
Deal found 8/4![Frontier logo]()
$248
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 August 8, 2026.
Search for one-way flight options from Raleigh to Denver. Find affordable one-way fares based on user searches. Data last updated August 8, 2026.
This Frontier deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:54 pm -
Nonstop3h 55m
Deal found 8/7![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/66:05 am -
2 stops17h 20m
Deal found 8/7![Frontier logo]()
$125
This Super.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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.
Mon 10/56:17 pm -
Nonstop3h 58m
Deal found 8/7![Frontier logo]()
$126
This iWofly deal was found by Cheapflights users on 8/4. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:17 pm -
Nonstop3h 58m
Deal found 8/4![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 8/3. 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.
Thu 11/512:48 pm -
Nonstop4h 04m
Deal found 8/3![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 10/99:03 pm -
2 stops27h 30m
Deal found 8/7![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Mon 9/79:59 pm -
2 stops26h 06m
Deal found 8/5![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/78:29 pm -
2 stops27h 36m
Deal found 8/4![Multiple Airlines logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 8/244:02 pm -
1 stop19h 17m
Deal found 8/4![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/110:11 pm -
2 stops17h 09m
Deal found 8/7![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Sat 8/296:05 am -
2 stops17h 39m
Deal found 8/4![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Sun 8/3010:11 pm -
2 stops18h 32m
Deal found 8/4![Frontier logo]()
$135
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 August 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $238 (Frontier) |
One-way from | $124 (Frontier) |
Popular in | July |
Cheapest in | January |
Average price | $362 |
Good round-trip deal | $329 or less |
Good one-way deal | $176 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 2,558,603 searches. Data last updated August 8, 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
Quickest round-trip
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Tue 9/29
5:30 pm-7:10 pm
Nonstop3h 40m
Denver Intl
Tue 10/6
6:00 pm-11:15 pm
Nonstop3h 15m
$345
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Sat 9/26
11:15 am-6:35 pm
2 stops9h 20m
Denver Intl
Wed 9/30
11:15 am-9:00 pm
2 stops7h 45m
$375
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Wed 9/2
4:23 pm-6:20 pm
Nonstop3h 57m
Denver Intl
Mon 9/7
5:55 pm-11:26 pm
Nonstop3h 31m
$414
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Sat 10/3
6:00 am-1:50 pm
2 stops9h 50m
Denver Intl
Sat 10/10
11:30 am-8:20 pm
2 stops6h 50m
$425
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Fri 8/28
6:00 am-11:00 am
2 stops7h 00m
Denver Intl
Mon 8/31
11:50 am-9:05 pm
2 stops7h 15m
$425
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Thu 10/15
5:50 pm-11:45 pm
2 stops7h 55m
Denver Intl
Mon 10/19
11:25 am-9:05 pm
2 stops7h 40m
$425
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Tue 9/8
10:15 am-3:10 pm
2 stops6h 55m
Denver Intl
Thu 9/10
12:10 pm-9:10 pm
2 stops7h 00m
$425
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Mon 8/24
4:05 pm-5:45 pm
Nonstop3h 40m
Denver Intl
Sun 8/30
7:30 pm-12:50 am
Nonstop3h 20m
$444
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Thu 8/27
10:40 am-8:09 pm
2 stops11h 29m
Denver Intl
Tue 9/8
11:59 pm-8:57 am
1 stop6h 58m
$460
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Tue 9/8
4:23 pm-6:18 pm
Nonstop3h 55m
Denver Intl
Thu 9/10
5:55 pm-11:26 pm
Nonstop3h 31m
$485
Showing 1-10 of 22 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 August.
| 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | 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 48 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 $247). 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 August 8, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 47% 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 1, 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 14% of weekly flights between Raleigh and Denver have experienced delays in the past year, with the average delay time being 147 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 10% 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 August 8, 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.
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
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
Black Hawk
Centennial
Lakewood
Broomfield
Golden
Lone Tree
Wheat Ridge
Silverthorne
Central City
Fort Morgan
Cripple Creek
Greeley
Winter Park
Limon
Manitou Springs
Frisco
Englewood
Glendale
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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 August 8, 2026.
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Browse through other flights departing from Raleigh. Flights are based on user searches made on Cheapflights and were last updated on August 8, 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 2,558,603 searches. Data last updated August 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$265 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$157 | Average$374 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$200 | Average$366 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$208 | Average$466 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$217 | Average$443 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$226 | Average$352 | FlexibilityNo cancel fee | On-timeN/A |