How long does the flight from Houston to Raleigh-durham take?

Flight time from Houston (IAH) to Raleigh-durham (RDU) depends on routing, aircraft type, and whether the flight is direct or connecting. A direct flight typically reflects great-circle distance plus winds, while one-stop options can add several hours depending on the layover airport. Check the exact duration in the search results above, where we show block time per itinerary along with stop count.

Which airlines fly from Houston to Raleigh-durham?

Airline availability for IAH to RDU changes by season and sometimes week to week as carriers adjust capacity. Our search above pulls live schedules and returns the airlines currently selling this route, both direct and connecting. Codeshare and interline itineraries are included, so you may see results operated by one carrier but sold by another.

Are there direct flights from Houston to Raleigh-durham?

Direct (nonstop) availability on IAH to RDU varies by date, day of week, and season. Busy city pairs usually have multiple daily nonstops, while thinner routes may only have direct service a few days per week or only during peak seasons. Use our search above with flexible dates to see which days actually have nonstop options.

What is the cheapest month to fly from Houston to Raleigh-durham?

Prices on IAH to RDU shift with seasonality, school holidays, and major events at both ends. Our 12-month price calendar below the search results shows the lowest fare found per departure date, which makes it easy to spot the cheapest weeks at a glance. Flexibility of a few days around your target date often unlocks significantly lower fares.

Houston to Raleigh-durham flights

Direct and connecting flights from Houston (IAH) to Raleigh-durham (RDU). Compare airlines, aircraft, and fares.

Distance: 1,675 km (1,041 mi)
Flight time: ~2h 18m
Airlines: 2
Aircraft types: 4

Airlines flying IAH → RDU

Airline	Aircraft types	Observations
United Airlines	3	3
Mesa Airlines	1	1

Aircraft on this route

Boeing 737 — 1 operator
Embraer E170/E175 — 1 operator
Boeing 737 — 1 operator
Airbus A321 — 1 operator

Airport details

Departure: George Bush Intercontinental Houston Airport (IAH)

City: Houston
Country: United States
IATA / ICAO: IAH / KIAH

Arrival: Raleigh Durham International Airport (RDU)

City: Raleigh-durham
Country: United States
IATA / ICAO: RDU / KRDU

Operating airlines

Frontier Airlines (F9)
United Airlines (UA)

Distance: 1677 km. Duration: 168 minutes.

Other routes from Houston

Other routes to Raleigh-durham

Frequently asked questions

How many airlines fly IAH to RDU?

2 airlines operate the IAH to RDU route in our 90-day observed dataset.

What aircraft fly the IAH-RDU route?

The most commonly observed aircraft on IAH to RDU include: Boeing 737, Embraer E170/E175, Boeing 737.

How long is the Houston to Raleigh-durham flight?

The estimated flight time from Houston (IAH) to Raleigh-durham (RDU) is approximately 2h 18m, based on a cruise speed of 850 km/h.

What's the distance from Houston to Raleigh-durham?

The great-circle distance from Houston (IAH) to Raleigh-durham (RDU) is approximately 1,675 km (1,041 miles).

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