Direct (nonstop) flights from Denver to Raleigh/Durham

3 airlines fly nonstop from Denver International (DEN) to Raleigh–Durham Airport (RDU). It's 1,436 miles (2,311 km), about 3h 22m in the air. Operated by Frontier Airlines, United Airlines, Southwest Airlines.

DEN
Denver International
🇺🇸 Denver, USA
✈
RDU
Raleigh–Durham Airport
🇺🇸 Raleigh/Durham, USA
Flight Time
3h 22m
Distance
1,436 mi
2,311 km
CO₂/pax
243 kg
−48 kg vs. layover
Airlines
3
Frontier Airlines +2
Time Diff
+2h
Operated by Frontier Airlines Frontier Airlines United Airlines United Airlines Southwest Airlines Southwest Airlines
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Route data last updated: May 29, 2026

Airlines with non-stop flights

Frontier Airlines F9 Frontier Airlines
Route
DEN → RDU
Flight Time
3h 22m
Distance
1,436 mi
United Airlines UA United Airlines
Route
DEN → RDU
Flight Time
3h 22m
Distance
1,436 mi
Southwest Airlines WN Southwest Airlines
Route
DEN → RDU
Flight Time
3h 22m
Distance
1,436 mi

Alternative Routes

Other ways to fly from Denver to Raleigh/Durham with one stop · direct emits 243 kg CO₂ per passenger

DEN → STL (Saint Louis) → RDU
Leg 1: 2h 5m (769 mi) Leg 2: 1h 50m (667 mi) Total: ~3h 55m 🍃 291 kg CO₂ (+20% vs. direct)
Leg 1
DEN → STL
2h 5m · 769 mi
View DEN to STL flights →
Leg 2
STL → RDU
1h 50m · 667 mi
View STL to RDU flights →
DEN → MCI (Kansas City) → RDU
Leg 1: 1h 43m (533 mi) Leg 2: 2h 25m (904 mi) Total: ~4h 8m 🍃 291 kg CO₂ (+20% vs. direct)
Leg 1
DEN → MCI
1h 43m · 533 mi
View DEN to MCI flights →
Leg 2
MCI → RDU
2h 25m · 904 mi
View MCI to RDU flights →
DEN → IND (Indianapolis) → RDU
Leg 1: 2h 25m (976 mi) Leg 2: 1h 43m (488 mi) Total: ~4h 8m 🍃 280 kg CO₂ (+15% vs. direct)
Leg 1
DEN → IND
2h 25m · 976 mi
View DEN to IND flights →
Leg 2
IND → RDU
1h 43m · 488 mi
View IND to RDU flights →
DEN → SDF (Louisville) → RDU
Leg 1: 2h 39m (1,023 mi) Leg 2: 1h 29m (415 mi) Total: ~4h 8m 🍃 275 kg CO₂ (+13% vs. direct)
Leg 1
DEN → SDF
2h 39m · 1,023 mi
View DEN to SDF flights →
Leg 2
SDF → RDU
1h 29m · 415 mi
View SDF to RDU flights →
DEN → BNA (Nashville) → RDU
Leg 1: 2h 34m (1,013 mi) Leg 2: 1h 35m (441 mi) Total: ~4h 9m 🍃 278 kg CO₂ (+14% vs. direct)
Leg 1
DEN → BNA
2h 34m · 1,013 mi
View DEN to BNA flights →
Leg 2
BNA → RDU
1h 35m · 441 mi
View BNA to RDU flights →

Looking for the return flight?

RDU → DEN: Flights from Raleigh/Durham to Denver

Other direct flights from Denver

🇹🇷 IST Istanbul
11h 45m
6,130 mi
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🇯🇵 NRT Tokyo
12h 15m
5,787 mi
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🇮🇹 FCO Rome
10h 35m
5,564 mi
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🇩🇪 MUC Munich
9h 35m
5,226 mi
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🇨🇭 ZRH Zurich
9h 55m
5,160 mi
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🇩🇪 FRA Frankfurt
9h 35m
5,039 mi
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🇫🇷 CDG Paris
9h 30m
4,881 mi
View →
🇬🇧 LHR London
9h 5m
4,671 mi
View →

See all flights from Denver (DEN) →

Direct flights from Raleigh/Durham (RDU)

🇺🇸 BWI Baltimore
1h 10m
256 mi
View →
🇺🇸 IAD Dulles
1h 11m
224 mi
View →
🇺🇸 CLT Charlotte
1h 12m
129 mi
View →
🇺🇸 AGS Augusta
1h 20m
250 mi
View →
🇺🇸 DCA Washington
1h 23m
227 mi
View →
🇺🇸 ACY Atlantic City
1h 25m
338 mi
View →
🇺🇸 PIT Pittsburgh
1h 27m
328 mi
View →
🇺🇸 CMH Columbus
1h 28m
362 mi
View →

See all flights from Raleigh/Durham (RDU) →

Frequently Asked Questions

How long is the direct flight from Denver to Raleigh/Durham?

A nonstop flight from Denver (DEN) to Raleigh/Durham (RDU) takes approximately 3 hours and 22 minutes. The distance is 1,436 miles (2,311 km).

Which airlines fly nonstop from Denver to Raleigh/Durham?

3 airlines: Frontier Airlines, United Airlines, Southwest Airlines.

Is there a nonstop flight from Denver to Raleigh/Durham?

Yes. 3 airlines: Frontier Airlines, United Airlines, Southwest Airlines.

How far is Denver from Raleigh/Durham?

The flight distance from Denver to Raleigh/Durham is 1,436 miles (2,311 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Miami.

What type of aircraft flies from Denver to Raleigh/Durham?

At 3h 22m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.

What is the carbon footprint of a flight from Denver to Raleigh/Durham?

Roughly 243 kg CO2 per passenger one-way. That's about the same as driving 1,215 km.

Is the return flight from Raleigh/Durham to Denver also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from Denver to Raleigh/Durham?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.

How early should I arrive at Denver International for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.