IAH
Houston
2h 30m direct
RDU
Raleigh-Durham
from $204
Cheapest one-way fare
5
Airlines on this route
1041 mi
Great-circle distance
2h 30m
Typical flight time
Compare prices on George Bush Intercontinental → Raleigh-Durham →
Comparing United Airlines, American Airlines, Spirit Airlines, Frontier Airlines, Delta Air Lines
Route summary

Cheap flights from George Bush Intercontinental to Raleigh-Durham International from $204

Updated 2026-10-13

1041 miles great-circle distance, typically flown in 2h 30m with 5 airlines operating direct service from George Bush Intercontinental (IAH) to Raleigh-Durham International (RDU). Fares on this corridor stay relatively stable across the year — booking 4–8 weeks ahead and choosing a midweek departure typically secures the best price.

About this corridor

Flying from George Bush Intercontinental

Houston George Bush Intercontinental is United Airlines' second-largest hub after Newark, with five terminals and a Skytrain people mover connecting them. METRO's bus 102 runs from the airport to downtown Houston in around 50 minutes; light rail does not extend to IAH. International long-haul through Houston is heaviest to Latin America (over 30 destinations) and Europe, with Lufthansa, KLM, Air France and British Airways all operating daily and growing Middle East service via Qatar, Emirates and Turkish.

Arriving in Raleigh-Durham

Raleigh-Durham International serves the Research Triangle (Raleigh, Durham, Chapel Hill) and is 12 miles from each. There is no rail; GoRaleigh bus 100 reaches downtown Raleigh in 45 minutes for $1.25, GoTriangle bus 805 reaches downtown Durham. Fares to RDU peak around Duke and UNC graduations (May) and major basketball games (February–March); January and August are the cheapest.

All airlines on this route

Who flies IAH to RDU?

Airline IATA Flight time Cabin
United AirlinesUA2h 30mEconomy
American AirlinesAA2h 30mEconomy
Spirit AirlinesNK2h 30mEconomy
Frontier AirlinesF92h 30mEconomy
Delta Air LinesDL2h 30mEconomy

5 carriers fly direct on this corridor. Frequencies vary by season — summer and winter holiday peaks see additional flights.

Frequently Asked Questions

Houston to Raleigh-Durham FAQs

How long is a flight from George Bush Intercontinental to Raleigh-Durham? +

Direct flights from George Bush Intercontinental (IAH) to Raleigh-Durham International (RDU) take approximately 2h 30m for the 1041-mile journey, plus 30–60 minutes of taxi, climb and descent. Total airport-to-airport time depends on cruise winds and air-traffic queueing on approach.

Which airlines fly from George Bush Intercontinental to Raleigh-Durham? +

5 carriers operate direct service from George Bush Intercontinental (IAH) to Raleigh-Durham International (RDU): United Airlines, American Airlines, Spirit Airlines, Frontier Airlines and Delta Air Lines. Frequencies vary by season and carrier — United Airlines typically operates the highest weekly count on this corridor.

Do I need a visa to visit United States? +

No — United States is domestic travel for US citizens. A US passport is not required for the 50 states, DC or US territories (Puerto Rico, US Virgin Islands, Guam, American Samoa, Northern Mariana Islands), though Real ID-compliant ID is required at TSA from May 2025.

How far is Raleigh-Durham International from Raleigh-Durham downtown? +

Raleigh-Durham International (RDU) is the primary international airport for Raleigh-Durham. Allow 30–60 minutes for the ground transfer by train, express bus, taxi or rideshare depending on traffic and time of day. See the airport's official website for current train and shuttle timetables.