How popular is this Raleigh to Denver flight route?

The Raleigh-Durham to Denver Intl flight path was viewed by 124 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How long is the flight from Raleigh to Denver?

Delta and Southwest can get you from Raleigh to Denver in just under 3h 55m. Your travel time can differ by up to 2h 15m. The distance between Raleigh and Denver is about 1432 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Raleigh to Denver round-trip?

Our cheapest airline available from Raleigh to Denver is Frontier. Our recent data shows that you can find tickets from as low as $104 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $138 and $198 round-trip. Frontier is priced at 66% lower than the current average price of a flight leaving 3 months from now.

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

To ensure you get the cheapest price possible for a flight from Raleigh to Denver, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Raleigh to Denver?

Currently, October is the cheapest month in which you can book a flight from Raleigh to Denver (average of $197). Flying from Raleigh to Denver in March is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Travelers seeking maximum savings on their Raleigh to Denver flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Raleigh to Denver

The most flights from RDU to DEN are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What are the cheapest flights from Raleigh to Denver?

On average you can expect to pay $565 for a flight from Raleigh to Denver. The cheapest flight overall is $88 while the most popular route, (Raleigh-Durham - Denver Intl) is currently priced at $90.

What are the most reliable airlines from Raleigh to Denver?

No one likes to see their flight delayed. When booking a flight from Raleigh to Denver consider choosing United Airlines (88%), Southwest (63%) or Frontier (44%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Raleigh to Denver?

The most popular airlines flying from Raleigh to Denver are American Airlines, JetBlue and Delta. Something to consider prior to booking your flight.

What is the cheapest time of day to fly from RDU to DEN?

Unlike in the morning, when flights are generally more expensive, you can save up to 43% on flights from Raleigh to Denver by exploring options for tickets at noon.

What airports do I use to fly from Raleigh to Denver?

If you book a flight from Raleigh to Denver, you will be flying from Raleigh-Durham to Denver Intl. Flights to Denver Intl (DEN) from Raleigh-Durham (RDU) take 3h 50m for a nonstop flight. There are 4 flights from Raleigh-Durham to Denver per day from 7 airlines.

Can I find deals for flights from Raleigh to Denver that include hotel bookings?

Yes. In addition to deals on Raleigh to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Raleigh to Denver?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Raleigh to Denver.

Can I find deals for business class flights from Raleigh to Denver?

Yes. Cheapflights offers flight deals from Raleigh to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$104+ Flights from Raleigh to Denver

Round-trip from	$150 (Frontier)
One-way from	$104 (Kiwi.com)
Popular in	December
Cheapest in	January
Average price	$276
Good round-trip deal	$226 or less
Good one-way deal	$147 or less

Frontier's UpFront Plus offers a guaranteed empty middle seat for added comfort.

Early check-in can help secure your place onboard due to frequent overbooking.

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$104	Average$247	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$138	Average$301	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$198	Average$305	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$198	Average$425	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$202	Average$362	FlexibilityNo cancel fee	On-time63%
JetBlue	Cheapest$244	Average$394	FlexibilityNo cancel fee	On-time62%
Sun Country Air	Cheapest$255	Average$310	FlexibilityNo cancel fee	On-time83%

$104+ Cheap flights from Raleigh to Denver (RDU - DEN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/6. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Raleigh-Durham to Denver Intl are usually found in January or November, booked 62 days in advance, depart on a Thursday or Friday and return on a Thursday

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Cheapest flights from Raleigh to DenverExplore the most affordable flight options available from Raleigh to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 17, 2025.

Explore the most affordable flight options available from Raleigh to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 17, 2025.

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The best insider tips for Raleigh to Denver flights

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Best time to book a flight from Raleigh to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Raleigh with our price prediction graph.

Cheapflights Insights

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

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

What is the cheapest month to book a flight from Raleigh to Denver?

What is the cheapest time of day to fly from RDU to DEN?

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

Weekly flight availability from Raleigh to Denver

Reviews of airlines servicing Denver

Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Raleigh to Denver. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Raleigh to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from Raleigh to Denver?

How popular is this Raleigh to Denver flight route?

How long is the flight from Raleigh to Denver?

What are the cheapest airlines flying from Raleigh to Denver round-trip?

What are the most reliable airlines from Raleigh to Denver?

What are the cheapest flights from Raleigh to Denver?

Can I find deals for flights from Raleigh to Denver that include hotel bookings?

How can I find direct flights from Raleigh to Denver?

Can I find deals for business class flights from Raleigh to Denver?

What is the cheapest month to book a flight from Raleigh to Denver?

Traveling to a place near Denver?

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Cheapest flights from Raleigh to Denver
Explore the most affordable flight options available from Raleigh to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 17, 2025.