Direct (nonstop) flights from Raleigh/Durham to Houston

2 airlines fly nonstop from Raleigh–Durham Airport (RDU) to George Bush Intcntl Houston (IAH). It's 1,042 miles (1,677 km), about 3h 8m in the air. Operated by Frontier Airlines, United Airlines.

RDU
Raleigh–Durham Airport
🇺🇸 Raleigh/Durham, USA
IAH
George Bush Intcntl Houston
🇺🇸 Houston, USA
Flight Time
3h 8m
Distance
1,042 mi
1,677 km
CO₂/pax
176 kg
−42 kg vs. layover
Airlines
2
Frontier Airlines +1
Time Diff
-1h
Operated by Frontier Airlines Frontier Airlines United Airlines United Airlines

Route data last updated: May 30, 2026

Airlines with non-stop flights

Frontier Airlines F9 Frontier Airlines
Route
RDU → IAH
Flight Time
3h 8m
Distance
1,042 mi
United Airlines UA United Airlines
Route
RDU → IAH
Flight Time
3h 8m
Distance
1,042 mi

Alternative Routes

Other ways to fly from Raleigh/Durham to Houston with one stop · direct emits 176 kg CO₂ per passenger

RDU BHM (Birmingham) IAH
Leg 1: 1h 45m (480 mi) Leg 2: 2h 5m (562 mi) Total: ~3h 50m 🍃 218 kg CO₂ (+24% vs. direct)
Leg 1
RDU → BHM
1h 45m · 480 mi
View RDU to BHM flights →
Leg 2
BHM → IAH
2h 5m · 562 mi
View BHM to IAH flights →
RDU ATL (Atlanta) IAH
Leg 1: 1h 33m (356 mi) Leg 2: 2h 18m (688 mi) Total: ~3h 51m 🍃 218 kg CO₂ (+24% vs. direct)
Leg 1
RDU → ATL
1h 33m · 356 mi
View RDU to ATL flights →
Leg 2
ATL → IAH
2h 18m · 688 mi
View ATL to IAH flights →
RDU MSY (New Orleans) IAH
Leg 1: 2h 28m (779 mi) Leg 2: 1h 23m (304 mi) Total: ~3h 51m 🍃 225 kg CO₂ (+28% vs. direct)
Leg 1
RDU → MSY
2h 28m · 779 mi
View RDU to MSY flights →
Leg 2
MSY → IAH
1h 23m · 304 mi
View MSY to IAH flights →
RDU PNS (Pensacola) IAH
Leg 1: 2h 2m (612 mi) Leg 2: 1h 52m (488 mi) Total: ~3h 54m 🍃 228 kg CO₂ (+30% vs. direct)
Leg 1
RDU → PNS
2h 2m · 612 mi
View RDU to PNS flights →
Leg 2
PNS → IAH
1h 52m · 488 mi
View PNS to IAH flights →
RDU MEM (Memphis) IAH
Leg 1: 2h (633 mi) Leg 2: 1h 54m (468 mi) Total: ~3h 54m 🍃 229 kg CO₂ (+30% vs. direct)
Leg 1
RDU → MEM
2h · 633 mi
View RDU to MEM flights →
Leg 2
MEM → IAH
1h 54m · 468 mi
View MEM to IAH flights →

Frequently Asked Questions

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

A nonstop flight from Raleigh/Durham (RDU) to Houston (IAH) takes approximately 3 hours and 8 minutes. The distance is 1,042 miles (1,677 km).

Which airlines fly nonstop from Raleigh/Durham to Houston?

2 airlines: Frontier Airlines, United Airlines.

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

Yes. 2 airlines: Frontier Airlines, United Airlines.

How far is Raleigh/Durham from Houston?

The flight distance from Raleigh/Durham to Houston is 1,042 miles (1,677 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 Raleigh/Durham to Houston?

At 3h 8m, 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 Raleigh/Durham to Houston?

Roughly 176 kg CO2 per passenger one-way. That's about the same as driving 880 km.

Is the return flight from Houston to Raleigh/Durham 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 Raleigh/Durham to Houston?

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 Raleigh–Durham Airport for this flight?

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