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$96+ Cheap flights from Durham, NC to Denver (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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — DEN
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheapflights Tip: The best prices from Durham to Denver Intl are usually found in September or January, booked 62 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap flight deals from Durham to Denver

Cheapest flights from Durham to Denver
Explore the most affordable flight options available from Durham to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This Expedia deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/303:47 pmRDU - DEN
1 stop23h 46mFrontier
Tue 1/611:59 pmDEN - RDU
1 stop14h 53mFrontier
Deal found 12/14$191
This Expedia deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:36 pmRDU - DEN
Nonstop4h 13mFrontier
Wed 1/711:59 pmDEN - RDU
1 stop13h 54mFrontier
Deal found 12/14$209
This Kiwi.com deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:36 pmRDU - DEN
Nonstop4h 13mFrontier
Tue 1/611:59 pmDEN - RDU
1 stop14h 53mFrontier
Deal found 12/14$216
This Kiwi.com deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:57 pmRDU - DEN
1 stop27h 52mFrontier
Wed 1/711:59 pmDEN - RDU
1 stop13h 54mFrontier
Deal found 12/13$218
This Kiwi.com deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:14 pmRDU - DEN
1 stop14h 10mFrontier
Tue 1/611:59 pmDEN - RDU
1 stop14h 53mFrontier
Deal found 12/14$224
This Kiwi.com deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:14 pmRDU - DEN
1 stop16h 34mFrontier
Wed 1/711:02 amDEN - RDU
1 stop20h 15mFrontier
Deal found 12/13$240
This Kiwi.com deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/219:05 pmRDU - DEN
1 stop13h 51mFrontier
Wed 1/711:02 amDEN - RDU
1 stop20h 15mFrontier
Deal found 12/13$252

Find flight deals from Durham to Denver

Keep the following information in mind while searching for Durham to Denver flight deals. Data was last updated December 15, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$135
(Frontier)

One-way from

$96
(Super.com)

Popular in

June

Cheapest in

September

Average price

$355
Provider with most accurate pricing for Raleigh-Durham-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Raleigh-Durham-Denver Intl flights.
Search Deals
From Durham to Denver Intl
Search Deals
One-way flight from Durham to Denver Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Durham to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from Durham to Denver that are best for you.

Fly from

Durham

Fly to

Denver

Route

Depart

Return

Price

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Thu 1/22

8:03 am-10:13 am

Nonstop4h 10m

Denver Intl

Sun 1/25

5:51 pm-11:15 pm

Nonstop3h 24m

$297

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Sat 1/24

4:07 pm-6:18 pm

Nonstop4h 11m

Denver Intl

Fri 1/30

5:51 pm-11:15 pm

Nonstop3h 24m

$304

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Thu 1/8

5:30 pm-7:35 pm

Nonstop4h 05m

Denver Intl

Wed 1/14

10:40 am-3:50 pm

Nonstop3h 10m

$324

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Thu 1/8

6:50 am-3:30 pm

2 stops10h 40m

Denver Intl

Mon 1/12

11:05 am-8:40 pm

2 stops7h 35m

$327

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Fri 3/13

6:00 am-12:22 pm

1 stop8h 22m

Denver Intl

Tue 3/17

2:50 pm-11:25 pm

1 stop6h 35m

$337

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Thu 1/8

7:04 pm-11:35 pm

1 stop30h 31m

Denver Intl

Mon 1/12

11:49 am-6:04 pm

2 stops28h 15m

$369

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Sat 1/24

5:05 am-7:10 am

Nonstop4h 05m

Denver Intl

Fri 1/30

4:45 pm-9:50 pm

Nonstop3h 05m

$377

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Tue 1/20

8:03 am-10:13 am

Nonstop4h 10m

Denver Intl

Mon 1/26

5:51 pm-11:15 pm

Nonstop3h 24m

$384

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Sat 1/17

8:03 am-10:13 am

Nonstop4h 10m

Denver Intl

Mon 1/19

5:51 pm-11:15 pm

Nonstop3h 24m

$384

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Tue 1/13

8:03 am-10:13 am

Nonstop4h 10m

Denver Intl

Sat 1/17

9:40 am-3:01 pm

Nonstop3h 21m

$391

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 23 results
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Best time to book a flight from Durham to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Durham with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Durham to Denver. Price data was last updated on December 12, 2025.

Booking 62 days in advance of your planned departure date is, on average, the best time to get cheap flights from Durham to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Durham to Denver (average of $92). Flying from Durham to Denver in July is currently the most expensive (average of $175). 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 time of day to fly from DU8 to DEN?

Find hourly flight availability from Durham to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 15, 2025.

When flying from Durham to Denver, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 40% versus a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Durham to Denver. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Durham to Denver flight should consider departing on Friday evenings 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 Durham to Denver

Explore weekly flight availability from Durham to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 15, 2025.

The most flights from DU8 to DEN are scheduled on a Monday (7 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated December 15, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Durham to Denver by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,008 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,092 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,052 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.8
Fair
3,080 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

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

  • What airport do you fly into for flights to Denver from Durham?

    If you book a flight to Denver from Durham, you will be flying to Denver Intl, which is the city’s only airport. Denver Intl (DEN) is located 18.5 mi from the center of Denver. There are 4 flights from Durham to Denver Intl per day from 6 different airlines.

  • How popular is this Durham to Denver flight route?

    The 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 Durham to Denver?

    United Airlines, Southwest, and JetBlue can get you from Durham to Denver in just under 4h 05m. Your travel time can differ by up to 4h 17m. The distance between Durham and Denver is about 1432 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Durham to Denver one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $62. American Airlines flights start at $108 while deals on Southwest start at $108 one-way.

  • What are the most reliable airlines from Durham to Denver?

    Before booking your flight to Denver from Durham, check out the most reliable airlines to get you to your destination on time: United Airlines (91%), Frontier (81%), Southwest( 67%).

  • What are the cheapest flights from Durham to Denver?

    While on average a flight from Durham to Denver is generally $297, our data shows the cheapest flight currently is $86. When looking at the most popular route, (Raleigh-Durham - Denver Intl), you can expect to pay $140 for that flight.

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

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

  • How can I find direct flights from Durham to Denver?

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

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

    Yes. Cheapflights offers flight deals from Durham 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.

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

    Currently, January is the cheapest month in which you can book a flight from Durham to Denver (average of $92). Flying from Durham to Denver in July is currently the most expensive (average of $175). 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.

See more FAQs

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Black Hawk
Thornton
Broomfield
Westminster
Winter Park
Golden
Greeley
Lone Tree
Lakewood
Cripple Creek
Silverthorne
Central City
Frisco
Wheat Ridge
Manitou Springs
Fort Morgan
Brighton
Longmont
Idaho Springs
Evergreen

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Alternative routes for Durham to Denver

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Durham to Denver

Discover the top 6 airlines that operate flights from Durham to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$105Average$250FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$394FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$157Average$379FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$202Average$411FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$207Average$404FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$211Average$363FlexibilityNo cancel feeOn-time63%

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