Find Cheap Flights from Denver International to Raleigh-Durham (DEN - RDU)

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Wed 12/13
Wed 12/20
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Good to Know

Low Season:
September
Best time to beat the crowds
3%
expected price decrease
High Season:
December
Most popular time to fly
23%
expected price increase
Average Price:
$317
(avg. price over the last 2 weeks)
Good Deal:
$208
or less (round trip)

When to Book Flights from Denver International to Raleigh-Durham

Average price per month
Flight prices as travel date approaches
-1 day
-2 days

Top tips for Finding a Cheap Flight

Looking for a cheap flight? 25% of our users found flights on this route for $208 or less.
The cheapest flight from Denver International to Raleigh-Durham was found 53 days before departure, on average.
Book at least 3 weeks before departure in order to get a below-average price.
Morning departure is around 15% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for Booking Denver International to Raleigh-Durham Flights

How long does a flight from Denver International to Raleigh-Durham take?
An average nonstop flight takes 3h 16m, covering a distance of 1433 miles.
How many flights are there between Denver International and Raleigh-Durham?
There are 73 (nonstop) flights between Denver International and Raleigh-Durham per week, averaging 11 per day.
Which airlines provide the cheapest flights from Denver International to Raleigh-Durham?
In the past 3 days, the cheapest round-trip tickets were found on Frontier ($173), Multiple Airlines ($201) and United ($229).
Do I need a passport to fly between Denver International and Raleigh-Durham?
No.
Which airlines fly most frequently between Denver International and Raleigh-Durham?
Southwest (5 times daily), United (4 times daily) are the most frequent flyers on this route.
What’s the cheapest day of the week to fly Denver International to Raleigh-Durham?
For Denver International to Raleigh-Durham, Tuesday is the cheapest day to fly on average and Thursday is the most expensive. Flying from Raleigh-Durham back to Denver International, the best deals are generally found on Tuesday, with Sunday being the most expensive.

Book cheap flights from Denver International to Raleigh-Durham (round-trip)

Airports
Origin
Denver
$173
only
$173
Destination
Raleigh
$173
only
$173
Tue, Jan 9
DEN
RDU
5h 55m
Tue, Jan 16
RDU
DEN
6h 45m
Trip: 8 days
4.9OkayShow reviews
Overall 4.9 Okay
Based on 131 reviews
Overall
5.9
Boarding
6.4
Comfort
5.4
Crew
6.8
Entertainment
4.5
Food
4.7
DEN
RDU
Mediocre 2.0

No shocker there were delays and jet problems, but the thing that really made me angry was the fact that the flight attendant was extremely rude to me and threatened to kick me and my children off the plane when my baby was crying during taxi. News flash Frontier... if you actually took off when you were supposed to and didn't make us spend two hours sitting on the hard floor of the airport, my baby wouldn't be crying with exhaustion. And guess what, babies cry sometimes. Being rude and stressing out the mother of that baby is not going to help the situation. After a few minutes he crashed and slept the entire flight. I will NEVER fly Frontier Airlines again.

DEN
RDU
Excellent 8.0

Nice plan.

No wifi on plane.

DEN
RDU
Good 7.5

Price was right.

Seats have NO padding. For a long red eye flight, this made for an uncomfortable TOTAL of 5 hours for the combined trip. I'd say this is a common problem among ALL airlines now. I haven't been in a seat with decent padding for 2 years! The boarding process was again hectic and crowded at the gate.

DEN
RDU
Mediocre 3.0

I didn't miss my connection

The plane was sooooo hot. I was sweating the whole time

DEN
RDU
Mediocre 2.0

I was not on this flight. Despite the fact that my ticket was clearly for this flight, I ended up on a flight to Charlotte, not Raleigh. I do not know how this happened. Yes, perhaps I could have been more careful in the middle of the night while making a mad dash from one flight to the next. But how is it possible that Frontier can scan my ticket and not notice that I'm about to board the wrong flight? How is it possible that their computer system didn't alert them that I was about to board a flight for which I did not have a ticket? It seems more likely that the person who scanned my ticket wasn't paying attention.

Tue, Mar 27
DEN
RDU
5h 54m
Mon, Apr 2
RDU
DEN
4h 06m
Trip: 7 days
Overall 0.0 Poor
Based on 0 reviews
Thu, Mar 15
DEN
RDU
3h 16m
Mon, Mar 19
RDU
DEN
4h 06m
Trip: 5 days
8.5ExcellentShow reviews
Overall 8.5 Excellent
Based on 27 reviews
Overall
7.2
Boarding
7.4
Comfort
6.9
Crew
7.7
Entertainment
6.5
Food
6.4
DEN
RDU
Excellent 10.0

Crew ROCKED!

N/a

DEN
RDU
Good 6.0

Lots of room

Flight was delayed. New plane but seats are incredibly uncomfortable.

DEN
RDU
Excellent 8.0

Overall geeat

Snacks suck I would appreciate one snack instead of a mix of 1 or 2 treats in a bag of nonsense. Peanuts, cookies, pretzels. Choose 1. never got wifi going on either flights. After struggling through downloading the unnecessary apps I was never able to connect, even with assistance from a flight attendant

HRL
IAH
Okay 5.3

Plane seats were so narrow that my knees were pressed into the back of seat infront of me.

DEN
RDU
Good 6.3

It got me to where I was going.

Had to pay extra for entertainment.

Wed, Apr 18
DEN
RDU
4h 54m
Sat, Apr 21
RDU
DEN
5h 27m
Trip: 4 days
4.9OkayShow reviews
Overall 4.9 Okay
Based on 131 reviews
Overall
5.9
Boarding
6.4
Comfort
5.4
Crew
6.8
Entertainment
4.5
Food
4.7
DEN
RDU
Mediocre 2.0

Flight delayed several hours. Seats don't recline. No food services unless you pay outrageous prices.

DEN
RDU
Okay 4.0

Made it safely

Airline is a racket. No compensation for inconveniences. Instead of arriving at 5:30 pm, we arrived at 8:30 pm.

DEN
RDU
Okay 5.6

Frontier makes it easy to travel w infants. They let you board first. With an infant, they allow you to bring a stroller, car seat and breast pump and a diaper bag for the baby in addition to your personal item st no additional cost. I thought it would be impossible to be able to have everything I needed without breaking the bank when traveling across the United States.

Plane was dirty. Trash and crumbs everywhere.

DEN
RDU
Excellent 10.0

The crew rushed from one other flight to ours and did a great job.

I tried to take care of the carry on fee online, but found I had not done so at the checkin counter.

DEN
RDU
Mediocre 2.0

Our flight from LAX to RDU through DEN was supposed to have a 2.5 hour layover. In LAX we found out that the layover had changed to almost 16 hours. We will never fly Frontier again!

Fri, Jun 1
DEN
RDU
11h 10m
Mon, Jun 4
RDU
DEN
5h 26m
Trip: 4 days
4.9OkayShow reviews
Overall 4.9 Okay
Based on 131 reviews
Overall
5.9
Boarding
6.4
Comfort
5.4
Crew
6.8
Entertainment
4.5
Food
4.7
DEN
RDU
Mediocre 3.0

I didn't miss my connection

The plane was sooooo hot. I was sweating the whole time

DEN
RDU
Mediocre 3.0

We left 30 min late, chairs don't recline.

DEN
RDU
Mediocre 2.0

Flight delayed several hours. Seats don't recline. No food services unless you pay outrageous prices.

DEN
RDU
Okay 5.6

Frontier makes it easy to travel w infants. They let you board first. With an infant, they allow you to bring a stroller, car seat and breast pump and a diaper bag for the baby in addition to your personal item st no additional cost. I thought it would be impossible to be able to have everything I needed without breaking the bank when traveling across the United States.

Plane was dirty. Trash and crumbs everywhere.

DEN
RDU
Good 7.5

Price was right.

Seats have NO padding. For a long red eye flight, this made for an uncomfortable TOTAL of 5 hours for the combined trip. I'd say this is a common problem among ALL airlines now. I haven't been in a seat with decent padding for 2 years! The boarding process was again hectic and crowded at the gate.

Thu, Feb 1
DEN
RDU
5h 55m
Sun, Feb 4
RDU
DEN
6h 45m
Trip: 4 days
4.9OkayShow reviews
Overall 4.9 Okay
Based on 131 reviews
Overall
5.9
Boarding
6.4
Comfort
5.4
Crew
6.8
Entertainment
4.5
Food
4.7
DEN
RDU
Okay 5.6

Frontier makes it easy to travel w infants. They let you board first. With an infant, they allow you to bring a stroller, car seat and breast pump and a diaper bag for the baby in addition to your personal item st no additional cost. I thought it would be impossible to be able to have everything I needed without breaking the bank when traveling across the United States.

Plane was dirty. Trash and crumbs everywhere.

DEN
RDU
Excellent 8.0

Nice plan.

No wifi on plane.

DEN
RDU
Mediocre 2.0

No shocker there were delays and jet problems, but the thing that really made me angry was the fact that the flight attendant was extremely rude to me and threatened to kick me and my children off the plane when my baby was crying during taxi. News flash Frontier... if you actually took off when you were supposed to and didn't make us spend two hours sitting on the hard floor of the airport, my baby wouldn't be crying with exhaustion. And guess what, babies cry sometimes. Being rude and stressing out the mother of that baby is not going to help the situation. After a few minutes he crashed and slept the entire flight. I will NEVER fly Frontier Airlines again.

DEN
RDU
Good 7.5

Price was right.

Seats have NO padding. For a long red eye flight, this made for an uncomfortable TOTAL of 5 hours for the combined trip. I'd say this is a common problem among ALL airlines now. I haven't been in a seat with decent padding for 2 years! The boarding process was again hectic and crowded at the gate.

DEN
RDU
Excellent 10.0

The crew rushed from one other flight to ours and did a great job.

I tried to take care of the carry on fee online, but found I had not done so at the checkin counter.

Wed, Feb 21
DEN
RDU
10h 10m
Mon, Feb 26
RDU
DEN
22h 33m
Trip: 6 days
4.9OkayShow reviews
Overall 4.9 Okay
Based on 131 reviews
Overall
5.9
Boarding
6.4
Comfort
5.4
Crew
6.8
Entertainment
4.5
Food
4.7
DEN
RDU
Mediocre 2.0

Our flight from LAX to RDU through DEN was supposed to have a 2.5 hour layover. In LAX we found out that the layover had changed to almost 16 hours. We will never fly Frontier again!

DEN
RDU
Okay 4.0

Made it safely

Airline is a racket. No compensation for inconveniences. Instead of arriving at 5:30 pm, we arrived at 8:30 pm.

DEN
RDU
Excellent 10.0

The crew rushed from one other flight to ours and did a great job.

I tried to take care of the carry on fee online, but found I had not done so at the checkin counter.

DEN
RDU
Mediocre 3.0

I didn't miss my connection

The plane was sooooo hot. I was sweating the whole time

DEN
RDU
Good 7.5

Price was right.

Seats have NO padding. For a long red eye flight, this made for an uncomfortable TOTAL of 5 hours for the combined trip. I'd say this is a common problem among ALL airlines now. I haven't been in a seat with decent padding for 2 years! The boarding process was again hectic and crowded at the gate.

Sat, Jun 9
DEN
RDU
5h 16m
Sat, Jun 16
RDU
DEN
5h 26m
Trip: 8 days
4.9OkayShow reviews
Overall 4.9 Okay
Based on 131 reviews
Overall
5.9
Boarding
6.4
Comfort
5.4
Crew
6.8
Entertainment
4.5
Food
4.7
DEN
RDU
Mediocre 2.0

Flight delayed several hours. Seats don't recline. No food services unless you pay outrageous prices.

DEN
RDU
Mediocre 2.0

Baggage fee..........

DEN
RDU
Okay 4.0

Made it safely

Airline is a racket. No compensation for inconveniences. Instead of arriving at 5:30 pm, we arrived at 8:30 pm.

DEN
RDU
Good 7.5

Price was right.

Seats have NO padding. For a long red eye flight, this made for an uncomfortable TOTAL of 5 hours for the combined trip. I'd say this is a common problem among ALL airlines now. I haven't been in a seat with decent padding for 2 years! The boarding process was again hectic and crowded at the gate.

DEN
RDU
Okay 5.6

Frontier makes it easy to travel w infants. They let you board first. With an infant, they allow you to bring a stroller, car seat and breast pump and a diaper bag for the baby in addition to your personal item st no additional cost. I thought it would be impossible to be able to have everything I needed without breaking the bank when traveling across the United States.

Plane was dirty. Trash and crumbs everywhere.

Sat, Dec 16
DEN
RDU
9h 59m
Thu, Jan 4
RDU
DEN
6h 44m
Trip: 20 days
4.9OkayShow reviews
Overall 4.9 Okay
Based on 131 reviews
Overall
5.9
Boarding
6.4
Comfort
5.4
Crew
6.8
Entertainment
4.5
Food
4.7
DEN
RDU
Mediocre 2.0

Flight delayed several hours. Seats don't recline. No food services unless you pay outrageous prices.

DEN
RDU
Mediocre 2.0

No shocker there were delays and jet problems, but the thing that really made me angry was the fact that the flight attendant was extremely rude to me and threatened to kick me and my children off the plane when my baby was crying during taxi. News flash Frontier... if you actually took off when you were supposed to and didn't make us spend two hours sitting on the hard floor of the airport, my baby wouldn't be crying with exhaustion. And guess what, babies cry sometimes. Being rude and stressing out the mother of that baby is not going to help the situation. After a few minutes he crashed and slept the entire flight. I will NEVER fly Frontier Airlines again.

DEN
RDU
Okay 4.0

Made it safely

Airline is a racket. No compensation for inconveniences. Instead of arriving at 5:30 pm, we arrived at 8:30 pm.

DEN
RDU
Mediocre 2.0

Baggage fee..........

DEN
RDU
Mediocre 2.0

I was not on this flight. Despite the fact that my ticket was clearly for this flight, I ended up on a flight to Charlotte, not Raleigh. I do not know how this happened. Yes, perhaps I could have been more careful in the middle of the night while making a mad dash from one flight to the next. But how is it possible that Frontier can scan my ticket and not notice that I'm about to board the wrong flight? How is it possible that their computer system didn't alert them that I was about to board a flight for which I did not have a ticket? It seems more likely that the person who scanned my ticket wasn't paying attention.

Thu, Dec 28
DEN
RDU
9h 59m
Tue, Jan 2
RDU
DEN
6h 44m
Trip: 6 days
4.9OkayShow reviews
Overall 4.9 Okay
Based on 131 reviews
Overall
5.9
Boarding
6.4
Comfort
5.4
Crew
6.8
Entertainment
4.5
Food
4.7
DEN
RDU
Mediocre 2.0

Flight delayed several hours. Seats don't recline. No food services unless you pay outrageous prices.

DEN
RDU
Mediocre 2.0

Our flight from LAX to RDU through DEN was supposed to have a 2.5 hour layover. In LAX we found out that the layover had changed to almost 16 hours. We will never fly Frontier again!

DEN
RDU
Okay 5.6

Frontier makes it easy to travel w infants. They let you board first. With an infant, they allow you to bring a stroller, car seat and breast pump and a diaper bag for the baby in addition to your personal item st no additional cost. I thought it would be impossible to be able to have everything I needed without breaking the bank when traveling across the United States.

Plane was dirty. Trash and crumbs everywhere.

DEN
RDU
Mediocre 3.0

We left 30 min late, chairs don't recline.

DEN
RDU
Okay 4.0

Made it safely

Airline is a racket. No compensation for inconveniences. Instead of arriving at 5:30 pm, we arrived at 8:30 pm.

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The fares displayed include all taxes and fees for economy class travel and were found by the provider in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.