Earn point on your loyalty program!arrow arc left

Cheap flights from Raleigh Durham (RDU) to Denver (DEN)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Raleigh Durham (RDU) to Denver (DEN)

How to find the cheapest flight from Raleigh Durham (RDU) to Denver (DEN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Raleigh Durham (RDU) to Denver (DEN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Raleigh Durham (RDU) to Denver (DEN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Raleigh Durham to Denver in November , December 2025

28 Nov - 08 Dec $ 282.00
RDU
Raleigh Durham
Frontier Airlines
1 STOPS
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
RDU
Raleigh Durham
Pick dates
29 Nov - 12 Dec $ 300.00
RDU
Raleigh Durham
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
RDU
Raleigh Durham
Pick dates
28 Nov - 08 Dec $ 339.00
RDU
Raleigh Durham
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
RDU
Raleigh Durham
Pick dates

Last minute flights from Raleigh Durham to Denver

28 Nov - 01 Dec $ 390.00
RDU
Raleigh Durham
Frontier Airlines
1 STOPS
DEN
Denver
DEN
Denver
Frontier Airlines
1 STOPS
RDU
Raleigh Durham
Pick dates
29 Nov - 01 Dec $ 440.00
RDU
Raleigh Durham
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
1 STOPS
RDU
Raleigh Durham
Pick dates
29 Nov - 30 Nov $ 985.00
RDU
Raleigh Durham
United Airlines
DIRECT
DEN
Denver
DEN
Denver
United Airlines
DIRECT
RDU
Raleigh Durham
Pick dates

One-way flights to Denver from Raleigh Durham

8:30 PM - 6:45 AM
Frontier Airlines
1 Stops
13h 57m
RDU - DEN
$ 185
Kiwi
Pick dates
5:33 PM - 5:33 PM
Frontier Airlines
0 Stops
4h 11m
RDU - DEN
$ 239
Kiwi
Pick dates
8:00 AM - 8:00 AM
United Airlines
0 Stops
4h 4m
RDU - DEN
$ 502
Kiwi
Pick dates

How to find the cheapest flight from Raleigh Durham (RDU) to Denver (DEN)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Raleigh Durham (RDU) to Denver (DEN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Raleigh Durham (RDU) to Denver (DEN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.