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Cheap flights from Denver International to Raleigh / Durham

Compare Denver International to Raleigh / Durham flight deals

Find the cheapest month or even day of the year to fly to Raleigh / Durham

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Flight deals from Denver International to Raleigh / Durham

Looking for a cheap last-minute deal or the best round-trip flight from Denver International to Raleigh / Durham? Find the lowest prices on one-way and round-trip tickets right here.
Durham.C$217 per passenger.Departing Tue, Sep 2, returning Wed, Sep 3.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from Denver International on Tue, Sep 2, arriving in Raleigh / Durham.Inbound indirect flight with Southwest Airlines, departing from Raleigh / Durham on Wed, Sep 3, arriving in Denver International.Price includes taxes and charges.From C$217, select.
Durham.C$230 per passenger.Departing Mon, Aug 11, returning Wed, Aug 13.Round-trip flight with United.Outbound direct flight with United departing from Denver International on Mon, Aug 11, arriving in Raleigh / Durham.Inbound direct flight with United departing from Raleigh / Durham on Wed, Aug 13, arriving in Denver International.Price includes taxes and charges.From C$230, select.
Durham.C$246 per passenger.Departing Fri, Oct 24, returning Thu, Oct 30.Round-trip flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departing from Denver International on Fri, Oct 24, arriving in Raleigh / Durham.Inbound direct flight with Southwest Airlines departing from Raleigh / Durham on Thu, Oct 30, arriving in Denver International.Price includes taxes and charges.From C$246, select.
Durham.C$250 per passenger.Departing Thu, Sep 25, returning Tue, Sep 30.Round-trip flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departing from Denver International on Thu, Sep 25, arriving in Raleigh / Durham.Inbound direct flight with Southwest Airlines departing from Raleigh / Durham on Tue, Sep 30, arriving in Denver International.Price includes taxes and charges.From C$250, select.
Durham.C$253 per passenger.Departing Thu, Aug 28, returning Thu, Sep 4.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Denver International on Thu, Aug 28, arriving in Raleigh / Durham.Inbound direct flight with Frontier Airlines departing from Raleigh / Durham on Thu, Sep 4, arriving in Denver International.Price includes taxes and charges.From C$253, select.
Durham.C$261 per passenger.Departing Mon, Jul 28, returning Mon, Aug 4.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Denver International on Mon, Jul 28, arriving in Raleigh / Durham.Inbound direct flight with Frontier Airlines departing from Raleigh / Durham on Mon, Aug 4, arriving in Denver International.Price includes taxes and charges.From C$261, select.
Durham.C$264 per passenger.Departing Sat, Jul 19, returning Fri, Jul 25.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Denver International on Sat, Jul 19, arriving in Raleigh / Durham.Inbound direct flight with Frontier Airlines departing from Raleigh / Durham on Fri, Jul 25, arriving in Denver International.Price includes taxes and charges.From C$264, select.
Durham.C$282 per passenger.Departing Fri, Nov 7, returning Mon, Nov 10.Round-trip flight with United.Outbound direct flight with United departing from Denver International on Fri, Nov 7, arriving in Raleigh / Durham.Inbound direct flight with United departing from Raleigh / Durham on Mon, Nov 10, arriving in Denver International.Price includes taxes and charges.From C$282, select.

Find the cheapest month to fly from Denver International to Raleigh / Durham

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver International to Raleigh / Durham flights are currently cheapest in September.
Jul
from C$264
Aug
from C$230
Sep
from C$217
Oct
from C$246
Nov
from C$282
Dec
from C$439
Jan
from C$614
Feb
from C$610
Mar
Find prices
Apr
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May
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Jun
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Direct flights from Denver International to Raleigh / Durham

Denver International to Raleigh / Durham: Alternative routes

Compare routes from Denver International to Durham below. You may find an airport to fly into that's cheaper, faster, or easier than Raleigh / Durham.

Denver to Durham: Flight information

The things to know before you go.
Cheapest flight foundC$217
Cheapest month to flySeptember
Average flight time3 hrs, 20 mins
Most popular airlineSouthwest Airlines
Average flights per week34

Finding cheap flights from Denver International to Raleigh / Durham: Frequently asked questions

The best price we found for a round-trip flight from Denver International to Raleigh / Durham is C$217. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 20 minutes is the average flight time from Denver International to Raleigh / Durham.
Southwest Airlines, United and Frontier Airlines fly direct from Denver International to Raleigh / Durham.
There are 34 flights per week flying from Denver International to Raleigh / Durham, as of July 2025.
The cheapest month to fly from Denver International to Raleigh / Durham is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Raleigh / Durham Airport on Tuesday, September 2, 2025.
Yes – the average flight time is 3 hours and 20 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Raleigh / Durham but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Durham is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Southwest Airlines and United offer the cheapest flight tickets to Raleigh / Durham.

Travelling from Denver International Airport (DEN) to Raleigh-Durham International Airport (RDU): what you need to know

  • The average length of a direct flight from Denver International Airport to Raleigh-Durham International Airport is 3 hours 20 minutes.

  • Durham's timezone is UTC-4, making Durham two hours ahead of Denver.

  • Choose from 37 weekly Denver International Airport to Raleigh-Durham International Airport flights. The 07:50 departure with Southwest Airlines is the earliest available. United Airlines operates the last service of the day at 23:59.

  • Give yourself plenty of time to make your DEN to RDU flight. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a peak month like July? School holidays and other popular periods can result in longer lines and delays at check-in and security. Play it safe and get there up to four hours ahead of an international flight and two hours before a domestic departure.

  • You can fly nonstop to Durham, United States. Book a ticket with one of these carriers that offer direct flights from Denver International Airport to Raleigh-Durham International Airport:

  • The majority of passengers choose to travel with Frontier Airlines on this route.

  • United Airlines stands out as the most punctual carrier for DEN to RDU flights, with 85.0% of services reaching their destination on schedule.

  • If you'd like to break up your flight, simply uncheck 'Direct flights only' when searching for your ticket from Denver International Airport to Raleigh-Durham International Airport. Here are the top stopovers between DEN and RDU:

    • John Glenn Columbus International Airport

    • Kansas City International Airport

    • Charlotte Douglas International Airport

How to find the cheapest flights from Denver International Airport (DEN) to Raleigh-Durham International Airport (RDU)

  • The cheapest price we've seen for a one-way Denver International Airport to Raleigh-Durham International Airport flight is C$102. A return ticket is currently C$217. Depending on the availability and when you book, these fares may change.

  • Score cheap tickets from DEN to RDU by booking at least six months ahead. Based on our research, that's the sweet spot for finding a bargain.

  • The cheapest month for flights from Denver International Airport to Raleigh-Durham International Airport is May. Use the 'Whole month' tool to see the lowest prices if you have a flexible schedule.

  • You won't have to check every day to see if fares have dropped when you create a Price Alert. We'll send you an update the moment there's a change in price on cheap flights from DEN to RDU.

  • Choose your preferred departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Denver International Airport to Raleigh-Durham International Airport.

Handy information about Denver International Airport (DEN)

  • DEN's address is 8500 Pena Boulevard.

  • Denver International Airport gets top marks for on-time performance. 80.23% of flights that take off from DEN arrive at their destination without delay.

  • Denver International Airport is about 40 kilometres from central Denver. If you're catching a cab, ride-sharing or driving from the centre, it'll take 35 minutes or so to arrive, depending on the traffic.

  • The trip when using public transport takes roughly 1 hour 30 minutes.

  • Booking a night at a hotel can take the hassle out of getting to the airport on time. If you need somewhere to stay before your flight from Denver International Airport to Raleigh-Durham International Airport, take a look at Baymont by Wyndham Denver International Airport. It's a short drive from DEN.

Arriving at Raleigh-Durham International Airport (RDU)

Getting from Raleigh-Durham International Airport (RDU) to central Durham

  • Raleigh-Durham International Airport is roughly 23 kilometres from central Durham. The drive time takes around 20 minutes.

  • When travelling by public transport, expect a journey time of roughly 1 hour 10 minutes.

When to fly to Raleigh-Durham International Airport (RDU)

  • The quietest month for a flight from Denver International Airport to Raleigh-Durham International Airport is May, while July is the most popular. Pick the best time to visit Durham based on whether you prefer a faster pace or a more relaxed vibe.

  • When booking your flight from Denver International Airport to Raleigh-Durham International Airport, think about the type of weather you enjoy. July is the warmest month in Durham, with temperatures ranging from 19ºC (66ºF) to 33ºC (91ºF).

  • January has average temperatures of between -3ºC (27ºF) and 13ºC (55ºF). Search for cheap tickets from DEN to RDU sometime then if you like travelling in cooler conditions.

Explore more of United States

  • You've done Durham, now it's time to discover other corners of United States. Journey about 193 kilometres south-west to Charlotte to check off its leading sights. From NASCAR Hall of Fame to Freedom Park and Carolinas Aviation Museum, you'll have a full itinerary ahead.

  • Around 418 kilometres north-east of Durham, Baltimore is another favourite stop in United States. Start your sightseeing at Huber Memorial Church, WBAL Radio and Marine Mammal Pavilion.

Plan the rest of your trip from Denver to Durham

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.