$115+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — DEN
Sep 26 — Oct 31
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 56 days in advance, depart on a Thursday or Friday and return on a Thursday
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 27, 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 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:17 pm -
Nonstop3h 58m
Thu 10/14:11 pm -
2 stops50h 27m
Deal found 8/26![Frontier logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2910:07 am -
1 stop7h 30m
Thu 10/19:19 pm -
2 stops45h 19m
Deal found 8/26![Frontier logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:35 am -
2 stops11h 26m
Sat 9/2610:28 am -
1 stop8h 10m
Deal found 8/26![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:13 am -
1 stop24h 06m
Mon 9/287:12 pm -
1 stop11h 57m
Deal found 8/25![Frontier logo]()
$226
This Frontier deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:17 pm -
Nonstop3h 58m
Mon 10/511:46 am -
Nonstop3h 36m
Deal found 8/26![Frontier logo]()
$227
This Super.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:17 pm -
Nonstop3h 58m
Mon 9/2110:28 am -
1 stop8h 23m
Deal found 8/26![Frontier logo]()
$228
This Frontier deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:26 pm -
1 stop8h 49m
Sat 9/269:19 pm -
1 stop11h 51m
Deal found 8/26![Frontier logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:00 pm -
1 stop7h 49m
Fri 10/169:19 pm -
2 stops21h 16m
Deal found 8/25![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:56 pm -
2 stops44h 19m
Sat 9/1911:46 am -
Nonstop3h 36m
Deal found 8/25![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 9/119:01 pm -
1 stop13h 07m
Wed 9/1610:28 am -
1 stop8h 10m
Deal found 8/23![Multiple Airlines logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:46 pm -
1 stop12h 22m
Sat 9/2611:46 am -
Nonstop3h 36m
Deal found 8/26![Multiple Airlines logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 9/131:56 pm -
1 stop9h 28m
Wed 9/1611:46 am -
Nonstop3h 36m
Deal found 8/23![Frontier logo]()
$234
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 27, 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 27, 2026.
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/265:40 am -
1 stop6h 01m
Tue 12/17:05 am -
1 stop7h 12m
Deal found 8/24![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:05 am -
2 stops7h 40m
Mon 12/77:05 am -
1 stop7h 00m
Deal found 8/26![Southwest logo]()
$282
This United Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 10/148:15 am -
Nonstop3h 50m
Sat 10/179:54 am -
Nonstop3h 27m
Deal found 8/23![United Airlines logo]()
$304
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/56:30 pm -
1 stop5h 47m
Wed 1/133:45 pm -
1 stop5h 19m
Deal found 8/22![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:05 pm -
1 stop6h 00m
Wed 10/2811:15 am -
2 stops7h 55m
Deal found 8/26![Southwest logo]()
$282
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/3010:21 am -
2 stops9h 33m
Fri 2/51:45 pm -
1 stop7h 48m
Deal found 8/25![United Airlines logo]()
$383
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 10/66:40 am -
2 stops6h 45m
Tue 10/1311:15 am -
2 stops7h 55m
Deal found 8/22![Southwest logo]()
$364
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/138:15 am -
Nonstop3h 59m
Tue 1/57:32 am -
1 stop6h 30m
Deal found 8/22![United Airlines logo]()
$410
This Southwest deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 11/245:15 am -
Nonstop3h 55m
Thu 12/310:50 am -
Nonstop3h 10m
Deal found 8/24![Southwest logo]()
$392
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/285:43 pm -
1 stop6h 13m
Fri 1/17:05 am -
1 stop6h 03m
Deal found 8/24![Delta logo]()
$453
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 1/64:00 pm -
Nonstop3h 59m
Mon 1/115:35 pm -
Nonstop3h 30m
Deal found 8/22![United Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 10/221:56 pm -
1 stop9h 10m
Sun 10/254:18 pm -
Nonstop3h 17m
Deal found 8/23![United Airlines logo]()
$496
Last-minute flights from Raleigh to DenverDiscover last-minute flight deals from Raleigh to Denver. Data last updated August 27, 2026 and is based on user searches.
Discover last-minute flight deals from Raleigh to Denver. Data last updated August 27, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:31 am -
1 stop7h 05m
Sat 9/2611:46 am -
Nonstop3h 36m
Deal found 8/26![Frontier logo]()
$291
This Expedia deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:16 pm -
1 stop21h 02m
Mon 9/1411:46 am -
Nonstop3h 36m
Deal found 8/23![Frontier logo]()
$249
This FlightHub deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:55 pm -
1 stop7h 12m
Wed 9/3011:46 am -
Nonstop3h 36m
Deal found 8/25![Frontier logo]()
$255
This FlightHub deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub 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 9/157:12 pm -
1 stop17h 49m
Deal found 8/26![Frontier logo]()
$292
This Expedia deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:24 pm -
1 stop12h 40m
Tue 9/227:12 pm -
1 stop11h 57m
Deal found 8/26![Frontier logo]()
$279
This Expedia deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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.
Sat 9/53:32 pm -
1 stop19h 21m
Wed 9/911:46 am -
Nonstop3h 36m
Deal found 8/22![Frontier logo]()
$259
This CheapOair deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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.
Sat 9/57:54 pm -
Nonstop3h 55m
Sat 9/1211:46 am -
Nonstop3h 36m
Deal found 8/23![Frontier logo]()
$296
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 27, 2026.
Search for one-way flight options from Raleigh to Denver. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
This Frontier deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:56 pm -
1 stop9h 28m
Deal found 8/26![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:30 am -
2 stops13h 53m
Deal found 8/26![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:56 pm -
2 stops44h 19m
Deal found 8/25![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/224:42 pm -
2 stops26h 34m
Deal found 8/24![Multiple Airlines logo]()
$118
This Super.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:26 pm -
1 stop8h 52m
Deal found 8/25![Frontier logo]()
$119
This CheapOair deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/712:31 pm -
1 stop21h 52m
Deal found 8/26![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:35 am -
2 stops11h 26m
Deal found 8/26![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 10/189:30 pm -
2 stops36h 36m
Deal found 8/24![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 10/135:26 pm -
2 stops30h 05m
Deal found 8/22![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 10/173:55 pm -
2 stops42h 24m
Deal found 8/24![Frontier logo]()
$124
This Frontier deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 10/161:16 pm -
1 stop10h 15m
Deal found 8/22![Frontier logo]()
$126
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 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $223 (Kiwi.com) |
One-way from | $115 (Frontier) |
Popular in | July |
Cheapest in | January |
Average price | $372 |
Good round-trip deal | $318 or less |
Good one-way deal | $163 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 August 27, 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
Thu 11/26
5:40 am-9:41 am
1 stop6h 01m
Denver Intl
Tue 12/1
7:05 am-4:17 pm
1 stop7h 12m
$277
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Tue 1/5
6:30 pm-10:17 pm
1 stop5h 47m
Denver Intl
Wed 1/13
3:45 pm-11:04 pm
1 stop5h 19m
$277
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Thu 12/3
8:05 am-1:45 pm
2 stops7h 40m
Denver Intl
Mon 12/7
7:05 am-4:05 pm
1 stop7h 00m
$282
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Sat 10/24
4:05 pm-8:05 pm
1 stop6h 00m
Denver Intl
Wed 10/28
11:15 am-9:10 pm
2 stops7h 55m
$282
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Wed 10/14
8:15 am-10:05 am
Nonstop3h 50m
Denver Intl
Sat 10/17
9:54 am-3:21 pm
Nonstop3h 27m
$304
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Tue 10/6
6:40 am-11:25 am
2 stops6h 45m
Denver Intl
Tue 10/13
11:15 am-9:10 pm
2 stops7h 55m
$364
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Sat 1/30
10:21 am-5:54 pm
2 stops9h 33m
Denver Intl
Fri 2/5
1:45 pm-11:33 pm
1 stop7h 48m
$383
Quickest round-trip
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Tue 11/24
5:15 am-7:10 am
Nonstop3h 55m
Denver Intl
Thu 12/3
10:50 am-4:00 pm
Nonstop3h 10m
$392
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Sun 12/13
8:15 am-10:14 am
Nonstop3h 59m
Denver Intl
Tue 1/5
7:32 am-4:02 pm
1 stop6h 30m
$410
RaleighDenver
RDU Raleigh-Durham - DEN Denver Intl
RDUDEN
Raleigh-Durham
Wed 1/6
4:00 pm-5:59 pm
Nonstop3h 59m
Denver Intl
Mon 1/11
5:35 pm-11:05 pm
Nonstop3h 30m
$424
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 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
Prices
Airlines
Delays
More
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 55 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 27, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 46% 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 22, 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
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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 27, 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.
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
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
Lakewood
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
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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 August 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$269 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$157 | Average$342 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$200 | Average$366 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$210 | Average$471 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$223 | Average$455 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$226 | Average$360 | FlexibilityNo cancel fee | On-timeN/A |