Flight Routes from Raleigh Durham to Denver

Compare cheap outbound and return flights from Raleigh-Durham (RDU) to Denver (DEN) and find the best offer from numerous airlines and travel agencies.

Trip type
Fastest outbound flight
Fastest inbound flight
non-stop flights
46x / week
Flight distance
2,309 km
Time difference

Flight schedule from Raleigh-Durham (RDU) to Denver (DEN)

Select a travel date in the flight schedule for the route from Raleigh-Durham (RDU) to Denver (DEN) and compare affordable flight deals.

offers
Active filtersnone
Matching outbound flights20 of 20
fromto
dep.arr.
durationstopovers
  1. September 6 – 12, 2026
  2. September 13 – 19, 2026
  3. September 20 – 26, 2026
    No flights could be found for the active filters.
    1. RDUDEN
      nonstop
      1. Southwest Airlines
    2. RDUDEN
      nonstop
      1. United Airlines
    3. RDUDEN
      nonstop
      1. United Airlines
    4. RDUDEN
      nonstop
      1. Southwest Airlines
    5. RDUDEN
      nonstop
      1. United Airlines
    6. RDUDEN
      nonstop
      1. Southwest Airlines
    7. RDUDEN
      nonstop
      1. United Airlines
    8. RDUDEN
      nonstop
      1. United Airlines
    9. RDUDEN
      nonstop
      1. Southwest Airlines
    10. RDUDEN
      nonstop
      1. Southwest Airlines
    11. RDUDEN
      nonstop
      1. Frontier Airlines
    12. RDUDEN
      nonstop
      1. Southwest Airlines
    13. RDUDEN
      nonstop
      1. Southwest Airlines
    14. RDUDEN
      nonstop
      1. Southwest Airlines
    15. RDUDEN
      nonstop
      1. United Airlines

      Tips and tricks to help you find cheap flights from Raleigh Durham to Denver

      Favorite airline: Frontier Airlines
      Frontier Airlines is the most popular airline for flights from Raleigh-Durham to Denver.
      Frontier Airlines
      60 %
      United Airlines
      27 %
      Delta
      13 %
      Direct flights are cheaper
      Compared to flights with a stopover, direct flights are $106.00 cheaper on this route.
      non stop flight
      1 stop
      03h 54min
      07h 09min
      106 $US
      212 $US
      The favorite connection is non-stop
      Flights from Raleigh-Durham to Denver are most often booked as a direct flight.
      Route
      bookings
      Direct flights
      03h 54min, from 106 $US
      69 %
      1 stopover Orlando International Airport, FL
      28h 43min, from 361 $US
      23 %
      1 stopover Minneapolis - St. Paul International Airport, MN
      07h 09min, from 212 $US
      8 %

      Important flight information

      Discover more flights around Raleigh-Durham and Denver

      Departure airport Airport Raleigh-Durham International Airport , NC (RDU)
      Arrival airport Airport Denver International Airport, CO (DEN)
      Destination country Flights to United States
      Departure airport - Destination country Raleigh-Durham International Airport , NC - United States
      Alternative routes to United States
      Alternative flights to Denver
      Flight destinations with a similar price