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Durham

Cheap flights from Denver (DEN) to Durham, NC

DEN — RDU
Apr 17 — Apr 241
Fri 4/17
Fri 4/24
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Durham are usually found in September or January, booked 59 days in advance, depart on a Thursday or Friday and return on a Thursday

Find flight deals from Denver to Durham

Keep the following information in mind while searching for Denver to Durham flight deals. Data was last updated March 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$130
(Frontier)

One-way from

$88
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$270
Provider with most accurate pricing for Denver Intl-Raleigh-Durham flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Raleigh-Durham flights.
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From Denver Intl to Durham
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One-way flight from Denver Intl to Durham
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Highest demand for flights based on searches. 11% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in March 2026
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Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Denver to Durham. Price data was last updated on March 13, 2026.

To ensure you get the cheapest price possible for a flight from Denver to Durham, you should look to book at least 59 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 Denver to Durham?

Currently, September is the cheapest month in which you can book a flight from Denver to Durham (average of $75). Flying from Denver to Durham in June is currently the most expensive (average of $182). 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 DEN to DU8?

Find hourly flight availability from Denver to Durham. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 18, 2026.

It’s optimal to fly from Denver to Durham in the afternoon. By choosing this option you can save up to 38% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Denver to Durham. Price data was last updated on March 14, 2026.

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

Reviews of airlines servicing Durham

Get insights into the airlines that provide service to Durham. 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 Durham. Reviews last updated March 18, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Denver to Durham to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,319 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
Southwest
8.0
Very good
4,319 reviews
Southwest
8.0
Very good
4,319 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
Delta
7.9
Good
8,292 reviews
Southwest
8.0
Very good
4,319 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
United Airlines
7.4
Good
9,439 reviews
Southwest
8.0
Very good
4,319 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
American Airlines
7.1
Good
11,472 reviews
Southwest
8.0
Very good
4,319 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
Frontier
5.7
Fair
3,024 reviews
Southwest
8.0
Very good
4,319 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Related info for your journey

Find useful and relevant information for your journey from Denver to Durham. 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 from for flights from Denver to Durham?

    Most people fly from Denver Intl (DEN) if they book a flight from Denver to Durham. On average, Denver Intl has 5 outbound flights to Durham per day from 5 airlines. Denver Intl is conveniently located just 18.5 mi from Denver’s city center.

  • How popular is this Denver to Durham flight route?

    Flights from Denver Intl to Durham have been viewed 42 times in the past calendar month.

  • How long is the flight from Denver to Durham?

    Airlines like Frontier and Southwest fly from Denver to Durham in about 3h 28m. The time it takes to get you to your destination can typically vary by up to 3h 42m. There are 1432 mi between Denver and Durham. This flight may include one or multiple stops.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $64. However, be on the lookout for offers from Southwest and American Airlines, as they are both options that can get you from Denver to Durham for a low price.

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

    The top 3 most reliable airlines when flying from Denver to Durham are Frontier (87%), United Airlines (79%) and Volaris (73%).

  • What are the cheapest flights from Denver to Durham?

    While on average a flight from Denver to Durham is generally $261, our data shows the cheapest flight currently is $81. When looking at the most popular route, (Denver Intl - Raleigh-Durham), you can expect to pay $131 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Denver to Durham 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 Denver to Durham?

    Currently, September is the cheapest month in which you can book a flight from Denver to Durham (average of $75). Flying from Denver to Durham in June is currently the most expensive (average of $182). 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.

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Top 5 airlines flying from Denver to Durham

Discover the top 5 airlines that operate flights from Denver to Durham. 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 March 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$112Average$256FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$385FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$169Average$394FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$211Average$469FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$217Average$370FlexibilityNo cancel feeOn-time63%

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