Cheap flights from Raleigh to Denver from $145

The cheapest month to fly to Denver from Raleigh is in January. Flight prices, which tend to average around $245, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in January, then you should wait until September to fly from Raleigh, when ticket prices are also cheap, with an average price of $277.

The cheapest day to depart on your flight to Denver is on a Thursday when prices can be found for as low as $358. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $453.

The cheapest time of day to fly to Denver is at noon when flights can be purchased for as low as $243. Flights in the morning are often more expensive with an average ticket price of $466.

Fly from Raleigh-Durham to Denver Intl for the best Raleigh-Durham - Denver Intl flight prices

You are more likely to see cheaper flights to Denver from Raleigh when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $328 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Raleigh for as low as $256 on momondo.

There are 4 cabin classes available to choose from on Raleigh to Denver flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Raleigh to Denver.

As of July 2026, prices for Raleigh to Denver flights are approximately 2% cheaper when compared to flights at the same time last year.

Frontier is the most popular carrier operating from Raleigh-Durham to Denver Intl

Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Denver from Raleigh according to our data. Frontier is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 6 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

Historically, on average around 15% of flights between Raleigh and Denver have experienced a delay on any given week. The average delay length over the past 12 months has been 151 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 10% of their flights experiencing any sort of delay.

Atlanta (ATL) was the most common stop: 56% of momondo users choosing 1-stop flights on this route connected there.

Flights via Charlotte (CLT) offer the lowest average round-trip price of $295.

Flights connecting via Charlotte (CLT) have the shortest average one-way travel time: 6h 24m.

Charlotte (CLT) has the shortest average layover time for this route: 1h 32m.

4 flights are operational daily from Raleigh to Denver as of July 2026. The most popular departure time for this route is 12:00PM, with 66% of flights per day taking off in the afternoon.

The number of flights available between Raleigh and Denver is 34 per week as of July 2026. The most frequent departure day is Tue, with 21% of weekly flights leaving on this day.