RDU - DEN

$64 Find Cheap Flights from Raleigh to Denver

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Raleigh to Denver departing on 4/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Denver

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Raleigh to Denver.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Raleigh to Denver.
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Everything you should know

Cheapest round-trip
$145
Typical prices: $468-$287
Frontier
on. 6/3lø. 6/6
RDU - DEN • 1 stop
Cheapest non-stop
$148
Typical prices: $426-$226
Frontier
to. 4/23ma. 4/27
RDU - DEN • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
Southwest offers two free checked bags per passenger.
RDU provides free Wi-Fi for up to 48 hours.
Expert advice
Expert advice
Expert advice
Expert advice
Nonstop flights
You can fly direct with Frontier, Southwest and United Airlines. Average duration is 4h 02m
Direct flights
Direct flights
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+1
Direct flights
Direct flights
+1
Avoid delays
Most punctual • 89% on-time
Best time • Fewest delays
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $226 (round-trip)
Shortest trip • 5h 05m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 20% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 21% price drop
Most popular
Good to know
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+1
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Denver!
Flight Deals
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Flight Deals

Cheap Flights from Raleigh to Denver (RDU-DEN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Raleigh to Denver that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Raleigh to Denver

on., jun. 3 - lø., jun. 6
Frontier Logo
7:52 pm - 8:24 am
RDU
-
DEN
14h 32m
1 stop
Frontier Logo
11:59 pm - 2:35 pm
DEN
-
RDU
12h 36m
1 stop
$145Frontier
ti., mai 19 - sø., mai 24
Frontier Logo
1:23 pm - 3:28 pm
RDU
-
DEN
4h 05mnonstop
Frontier Logo
9:06 pm - 1:37 pm
DEN
-
RDU
14h 31m
1 stop
$147Frontier
to., apr. 23 - ma., apr. 27
Frontier Logo
9:49 pm - 11:59 pm
RDU
-
DEN
4h 10mnonstop
Frontier Logo
3:45 pm - 9:04 pm
DEN
-
RDU
3h 19mnonstop
$148Frontier
fr., apr. 24 - sø., apr. 26
Frontier Logo
9:49 pm - 11:59 pm
RDU
-
DEN
4h 10mnonstop
Frontier Logo
11:59 pm - 9:56 am
DEN
-
RDU
7h 57m
1 stop
$149Frontier
on., mai 20 - on., mai 27
Frontier Logo
10:16 am - 11:11 pm
RDU
-
DEN
14h 55m
1 stop
Frontier Logo
6:00 am - 3:00 pm
DEN
-
RDU
7h 00m
1 stop
$150Frontier
ti., apr. 28 - fr., mai 1
Frontier Logo
4:00 pm - 10:29 pm
RDU
-
DEN
8h 29m
1 stop
Frontier Logo
11:59 pm - 9:30 am
DEN
-
RDU
7h 31m
1 stop
$151Frontier
on., apr. 29 - sø., mai 3
Frontier Logo
6:00 am - 12:09 pm
RDU
-
DEN
8h 09m
1 stop
Frontier Logo
11:59 pm - 8:46 am
DEN
-
RDU
6h 47m
1 stop
$152Frontier
on., mai 27 - on., jun. 3
Frontier Logo
12:26 pm - 2:32 pm
RDU
-
DEN
4h 06mnonstop
Frontier Logo
6:00 am - 3:00 pm
DEN
-
RDU
7h 00m
1 stop
$153Frontier
lø., apr. 25 - sø., mai 3
Frontier Logo
9:49 pm - 11:59 pm
RDU
-
DEN
4h 10mnonstop
Frontier Logo
11:59 pm - 8:46 am
DEN
-
RDU
6h 47m
1 stop
$154Frontier
on., jun. 3 - ti., jun. 9
Frontier Logo
7:52 pm - 8:24 am
RDU
-
DEN
14h 32m
1 stop
Frontier Logo
11:40 pm - 7:21 am
DEN
-
RDU
29h 41m
1 stop
$155Frontier
Booking Insights

KAYAK's insights & trends for Raleigh to Denver flights

Get data-powered insights and trends into flights from Raleigh to Denver to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Raleigh to Denver?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Raleigh to Denver departing in June.

What’s the cheapest day of the week to fly from Raleigh to Denver?

The average price of all round-trip flights from Raleigh to Denver clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Denver on a Thursday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Raleigh to Denver. For your return ticket, we recommend flying on a Thursday and avoiding Wednesdays for the best deals.

What is the cheapest month to fly from Raleigh to Denver?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Raleigh to Denver, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Raleigh to Denver is January, where tickets cost $247 (return) on average. On the other hand, the most expensive months are June and December, where the average cost of round-trip tickets is $377 and $356 respectively.

Can I save money by flying with a layover from Raleigh to Denver?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $357 on average.

How far in advance should I book a flight from Raleigh to Denver?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Raleigh to Denver, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Raleigh to Denver, you should book around 3 weeks before departure, which saves you about 20% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

Expert advice

Expert advice for your flight from Raleigh to Denver

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Frontier and United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Jessica Macdonald

Jessica Macdonald

Expert on RDU

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Harriet Baskas

Harriet Baskas

Expert on DEN

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Good to know

Low seasonNovember
Cheapest flight$64
Best time to beat the crowds but there is an average 4% increase in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from Raleigh to Denver

When to book flights from Raleigh to Denver

Are your dates flexible? Find out the best times to travel from Raleigh to Denver based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Raleigh to Denver

  • What is the cheapest flight from Raleigh to Denver?

    In the last 3 days, the lowest price for a flight from Raleigh to Denver was $64 for a one-way ticket and $147 for a round-trip.

  • Do I need a passport to fly between Raleigh and Denver?

    No, a passport isn't needed to fly from Raleigh to Denver. However, local authorities might ask for an official ID.

  • Which airlines offer Wi-Fi service onboard planes from Raleigh to Denver?

    Delta, American Airlines, Alaska Airlines, and JetBlue offer inflight Wi-Fi service on the Raleigh to Denver flight route.

  • Which aircraft models fly most regularly from Raleigh to Denver?

    The Boeing 737 MAX 8 is the aircraft model that flies most regularly on the Raleigh to Denver flight route.

  • Which airline alliances offer flights from Raleigh to Denver?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between Raleigh and Denver, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from Raleigh to Denver?

    There are nonstop flights from Raleigh to Denver on a daily basis.

  • Which is the best airline for flights from Raleigh to Denver, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from Raleigh to Denver are Southwest and Delta. With an average price for the route of $365 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $308 and an overall rating of 7.9.

  • How does KAYAK find such low prices on flights from Raleigh to Denver?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Raleigh to Denver.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Raleigh to Denver?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Denver from Raleigh is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Raleigh to Denver?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Denver with an airline and back to Raleigh with another airline. Booking your flights between Raleigh and DEN can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Raleigh to Denver?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Denver from Raleigh up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Raleigh to Denver

  • Looking for a cheap flight? 25% of our users found flights on this route for $158 or less one-way and $300 or less round-trip.

Prefer to fly direct from Raleigh to Denver?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Raleigh-Durham to Denver Intl.
Find which airlines fly direct from Raleigh-Durham Airport to Denver Intl Airport, which days they fly and book direct flights.

Direct departures

Raleigh-Durham to Denver Intl

Monday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Tuesday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Wednesday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Thursday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Friday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Saturday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Sunday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

See more direct flights

Direct returns

Denver Intl to Raleigh-Durham

Monday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Tuesday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Wednesday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Thursday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Friday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Saturday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Sunday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

See more direct flights

Reviews of the top 5 airlines serving from Raleigh to Denver

 
See real verified KAYAK customer reviews for airlines flying from Raleigh to Denver. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Raleigh to Denver? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4337 reviews
8.0Comfort
8.1Boarding
7.0Food
8.6Crew
7.5Entertainment
Airline reviews

The new seat assignment thing is wierd. If you don’t pay for a seat they always assign you a middle seat regardless of how many people are on the flight. Idk… the new company that bought Southwest is trying to make it more profitable, but I’m just not seeing it. The flight attendants aren’t having as much fun anymore. It just feels like the airline is slowly dying. IMO. We shall see if Southwest is the next Toy’s R Us.

6.0 GoodKenley, Apr 2026
AUS - LAS
Read more Southwest reviews

The new seat assignment thing is wierd. If you don’t pay for a seat they always assign you a middle seat regardless of how many people are on the flight. Idk… the new company that bought Southwest is trying to make it more profitable, but I’m just not seeing it. The flight attendants aren’t having as much fun anymore. It just feels like the airline is slowly dying. IMO. We shall see if Southwest is the next Toy’s R Us.

Terrible. Even though there’s assigned seating now, they are still the slowest boarding airline of anyone.

The Air hostess were very rude on my flight from Houston to Austin . Their regular communication itself felt a they are shouting at people.

Communication about the delayed flight was poor. We were told to move gates three times but that was bad information. We went from gate 128 to gate 126 and then to gate 123 and back to gate 126. Communication about the delay was bad. Ended up being 1 1/2 hour late getting home.

Plane was late. Zero service for 2+ hour flight and it was not that bumpy.

It was good from LAX to Phoenix, But the connection in Phoenix to Tulsa was not that great. The staff on both flights were great. The choice of free entertainment was ok nothing to brag about. The 45 min delay because of some electrical issue wasn't great from Phoenix to Tulsa. We sat there with hardly any air, The seat I had was between windows so the side of the plane pushed in on you. My being a bigger man it then made the seating area uncomfortable. The seats on the plane had no power to connect to recharge your phone or anything. I would recommend that they should look into a slot or clamp to hold your phone to enjoy while watching the entertainment choices hands-free. Also make it possible to raise the inner seat by the window be able to raise the arm rest up to make more room for larger people to set more comfortably. I would also say other then that stop price gouging the airfare or nickel and diming everything. Not fair for people having to fly for emergencies and be paying for higher prices due to the season or holidays. Your making your money either way and the cost of flying is still going to be the same regardless if there's 100 people or 200 people.

Had a great flight. Delayed takeoff, but comfortable. Snacks were good.

Love them will get a Southwest card to track my points and keep flying with them. My family and I were pleased with the services.

I have roller bag with food and medication told me I couldn't bring on my 2nd flight today. 15 years flying with SW never an issue with that bag.

Southwest continues to do less for more money. Flight attendants used to be fun and friendly. But now it’s like they don’t even see you. Such a shame.

Flight from Fort Wayne to Atlanta was the smallest in terms of cabin space that I've ever seen. A carry on I've used for 20 years BARELY fit in overhead compartment. I'm 5'10" and felt very cramped. Not the best experience.

I am writing to express my dissatisfaction with the poor service and unprofessional staff we encountered when traveling with an infant. Our flight was delayed, and the gate staff failed to manage the boarding process appropriately. Due to incorrect, unavailable, or missing 'pink tag' stroller and car seat check-in procedures at the gate, we were forced to board last. Furthermore, the gate staff was rude and dismissive, causing significant distress to our infant. To make matters worse, one of our checked items—an infant sleeper/lounger—was returned to us broken. Given the unsafe handling of essential equipment and unprofessional treatment, I expect a prompt resolution regarding compensation for the damaged items.

We departed and landed early which was a nice surprise. The boarding process was slow.

N Everything was perfect from boarding to assistance to baggage in Tampa

Subpar. The seating on the plane is almost unbearable. We are literally touching and/or sitting on each other which is totally unacceptable and shameful. Pilots and crew was very accommodating and friendly.

The boarding was organized and informative but the plane was tight meaning that you were sitting on one another and extremely uncomfortable. It’s disappointing that can’t have common seating comfort on the plane.

Loved the crew! Sucks that we went from 1 hour and 8 minute layover to a 3 hour layover. But weather sucks like that.

I was told that they needed to check my bag at the gate and to pick it up at the gate in Richmond. No big deal. I know they can't control the weather, but we flew around RIC for 45 minutes to avoid the storm and were 25 minutes late leaving as well. Once we landed, we were told to go to baggage claim to pick up our luggage. I went to bathroom, paid for parking, and went to the assigned baggage claim location. United flight people came down with us as well. They got their luggage immediately. Next, South West people came down about 10 minutes later. They got their luggage next. We finally got our luggage around 30 minutes in waiting. Was not a wonderful experience. No reflection on Delta, but the ground crew was lousy at best.

Everything could have benn better. Short fly, no food, no entertainment and no wifi.

Flight delayed. Air broken. Cabin was hot enough to pass out. Delta shuttle’s becoming worse and worse.

The boarding process was straightforward. One pertinent observation regarding all boarding procedures is that if an individual requires assistance or possesses a special status and is part of preboarding, it is advisable to limit the number of passengers who can preboard with them, rather than the entire, sometimes large, companion groups. The seats are uncomfortable, and the entertainment options are significantly inferior compared to other airlines. During the snack service, I requested an additional bag of snacks, but my request was denied. Initially, the flight attendant agreed to my request.becoming a strange accurate moment. The flight duration was four hours.

I had a cancelled flight because of technical issues going to my destination, and a delayed flight coming home. All told it wasn’t a total bust.

During landing. 2 crew members passed 3 times by my lane and didn't notice that people in front of us had their site to the furthermore reclined... That was uncomfortable and could have been dangerous.

Seats are uncomfortable. This has been a trend in the industry for decades. Trying to fit more seats on each plane to increase profits at the expense of the passenger.

It’s always a great time flying with united airlines.

We got delayed three hours and nobody thought to have the bathroom fixed while we were sitting waiting to board? took a full hour to have maintenance come and check it off. Had to shut the bathroom down twice so that the pilots could go to the bathroom. Everyone missed their connections.

Women boarding passengers at the gate was absolutely rude and disrespectful of passengers. The flight attendant was absolutely delightful! Smiling and connected with the passengers. So happy. The seats are cramped and uncomfortable but I guess that’s just the way it is Communication regarding flight was excellent

As great a red-eye flight as red-eye flights can be.

Both of my flights arrived early and check in process was smooth

Everything was on time Will use united again for sure

Message about flight cancelation was received late due to being in the air. No explanation, just canceled and booked on morning flight. We had to stay in the airport overnight because there was no transportation offered to get to the hotel that AA had available. Actual inflight was fine.

On the return flight, arriving in Denver we sat on the tarmac in Denver for over 20 minutes.

Ceiling fell down and had to have maintenance come and duct tape it up. No WiFi on the flight.

I appreciate that I finally got the seat I paid extra for this time. Thank you

American Airlines did everything they could with the high Spring Break crowd. I was frustrated to be changed from 1st class to a middle seat at the back of the plane. This has happened before, not sure booking 1st class and paying the extra actually works.

Plane from partner PSA was filthy. Plastic needs to be thoroughly cleaned. Really disgusting to look at and wonder about cleanliness of parts less visible.

Arrived early picked up my bag in a few minutes- great trip - thank you

I like that the flight attendant was very attentive and helpful. The meal menu could have more of an variety of food choices.

We missed our flight and got stranded in Miami where we had to rent a hotel we could not afford. they would not work with us because they said it was weather related even though the gate attendant said it was not. I could go on but trying to get satisfaction has wore me down, which I believe is the intent. My only solution is to never fly AA again.

The flight was fine. It's the satellite terminal that supports American eagle flights is what sucks. There is only one food option and everything there is way overpriced. I mean I know it's airport pricing, but it's even crazier than that. I bought a sandwich in a plastic container for $18.

It was an early flight and most people napped/slept and the crew let us which was nice.

More inflight connection. And leg space is horrible. And the paying for baggage I'd ridiculous!!!

It was costly and difficult to check in. $85 to take a small suitcase with me, carry on or checked and $75 on the return trip, Plus $25 if I didn't check my self in check in $25, because I couldn't do it on the kiosk. Small very uncomfortable seats, waited on the runway for near an hour each way. It was my worst flight to date.

Due to weather, my flight was delayed, further delayed, then canceled. I eventually got through to a support person who helped me find a different route out of MSP, but to get to DIA, they didn't want to, but eventually did help with the connection ticket purchase. But even this replacement flight was delayed time and time again, and I would have missed my connecting flights and I didn't want to get stuck in a layover city, so after 12 hours at the airport with two young boys who were very tired, we just cancelled our plans and spent the week at home, instead of Nana's.

I knew going into this that Frontier, being a low cost carrier, would be pretty bare bones and charge for most extras but this was made up for by the fact that the airplane was a reasonably new Airbus, every employee was great and best of all, Everett Washington is an amazing airport - thanks Frontier for flying there!!!

Seats were new and comfortable. Staff was fine. Missed my connection due to weather -which wasn’t their fault- but got no help at all. Gate staff sent me to customer service, which was and stayed unstaffed. Sign with QR code directed me to call or chat. Chat was useless. Call was returned after an hour. No itinerary offered by Frontier could get me home in less than 30 hours. Rebooked with another airline and got a partial refund that came to about 10 percent of what I paid to get home.

The experience was good. No frills but I got there safe and sound and on time.

As every law enforcement agency I could imagine surrounded the plane and we didn’t disembark for 2 hours and then had to stick around for another hour to go get our personal belongings after leaving them behind and being bused away from the plane, it was scary and inconvenient. We were given no information as to why this was happening. Lack of communication with passengers was disappointing.

Frontier Airlines was AWFUL. I was an hour early for my flight and the lady refused to check me in. I had to purchase a whole new ticket with a different airline.

Late, terrible communication, horrible planning of passenger seating until the literal last minute. One of the worst flying experiences of my life. Y'all suck

Everything you need to know for your flight from Raleigh to Denver

Other airlines flying from Raleigh to Denver

Flights from the other most popular airlines that fly from Raleigh to Denver according to KAYAK users. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.