Raleigh/Durham to Denver (RDU–DEN) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
RDU–DEN is served by 3 airlines with nonstop service. United Airlines, Southwest Airlines and Frontier lead the route. The flight covers 1,433 miles in approximately 3h 45m. Beyond nonstop, 124 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines | 22 | 738, 739, 7M8 | 3h45-4h11 | Star Alliance | – | |
| WN Southwest Airlines | 14 | 73H, B38M | 3h50 | – | – | |
| F9 Frontier Also: Y4 | 12 | 32Q, A20N | 4h07-4h10 | – | Y4 |
Weekly Schedule Pattern
Connection Landscape
Other ways to reach Denver from Raleigh/Durham
| Metric | RDU→DEN | ILM→DEN |
|---|---|---|
| Distance from RDU | – | 122 mi |
| Nonstop airlines | 3 | 2 |
| Weekly flights | 55 | 1 |
| Flight time | 3h 45m | 4h 25m |
| Departure OTP | 89% | – |
Travel Essentials
RDU: EDT · DEN: MDT
When it's 6:00 PM in Raleigh/Durham, it's 4:00 PM in Denver.
No rail connection exists. GoTriangle Route 100 (RDU Express) runs from the Durham Station Transportation Center and downtown Raleigh to the airport for $2.25; takes 35–50 minutes but service is limited in the evenings and does not run all night.Ride-shares (Uber/Lyft) from downtown Raleigh: $20–30, 20–25 minutes. From Durham: $18–25, 15–20 minutes. Taxis: $30–40. Long-term parking from $7/day in Economy lots with shuttle service. I-40 provides direct access to both Raleigh and Durham.
RTD A Line runs to Denver Union Station (37 min, $10.50) with connections to light rail and bus routes. Taxis have meters; expect $55–65 to downtown.DEN's tent-roof Jeppesen Terminal is a single building; all three concourses connect via the underground automated train. Rental cars are on level 5. For ski resorts, shuttle services depart from Ground Transportation.
Semi-arid with 300+ days of sunshine. Summers are dry and warm (27–34°C) with afternoon thunderstorms that produce dramatic but brief delays. Winters bring cold temperatures (−8 to 5°C) and heavy blizzards that can shut down ground operations.
Spring snowstorms can be heavier than midwinter ones. Altitude (5,430 ft) means low humidity year-round; stay hydrated.
RDU–DEN Quick Facts
Frequently Asked Questions
Flights from RDU to DEN
Raleigh-Durham International Airport (RDU) and Denver International Airport (DEN) are connected by nonstop service from Frontier, United Airlines and Southwest Airlines. With 55 weekly departures, this is a heavily served route.
RDU to DEN Flight Duration and Schedule
Nonstop flight time from RDU to DEN ranges from 3 hours 45 minutes to 4 hours 11 minutes. The route covers a distance of 1,433 miles (2,307 km). There are approximately 55 weekly flights outbound and 42 return, totaling 97 flights per week in both directions.
Connecting Options and Alternatives
124 one-stop connections are available, with the fastest taking approximately 4 hours via APA. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Wilmington (ILM).