Cheap Flights from Raleigh / Durham to Houston George Bush Intercntl.

Compare Raleigh / Durham to Houston George Bush Intercntl. flight deals

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Flight deals from Raleigh / Durham to Houston George Bush Intercntl.

Looking for a cheap last-minute deal or the best return flight from Raleigh / Durham Airport to Houston George Bush Intercntl. Airport? If you want to travel next month, return fares start from R 2,075. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Raleigh / Durham to Houston George Bush Intercntl.

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Raleigh / Durham to Houston George Bush Intercntl. flights are currently cheapest in July.

Direct flights from Raleigh / Durham to Houston George Bush Intercntl.

Raleigh / Durham to Houston George Bush Intercntl.: Alternative routes

Compare routes from Raleigh / Durham to Houston below. You may find an airport to fly into that's cheaper, faster, or easier than Houston George Bush Intercntl..

Durham to Houston: Flight information

The things to know before you go.
Cheapest flight foundR 971
Cheapest month to flyJuly
Average flight time3 hrs, 4 mins
Most popular airlineUnited
Average flights per week86

Finding cheap flights from Raleigh / Durham to Houston George Bush Intercntl.: Frequently asked questions

The best price we found for a return flight from Raleigh / Durham to Houston George Bush Intercntl. is R 2,073. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 4 minutes is the average flight time from Raleigh / Durham to Houston George Bush Intercntl..
United, Air New Zealand and Mesa Airlines fly direct from Raleigh / Durham to Houston George Bush Intercntl..
As of May 2026, there are 86 flights per week flying from Raleigh / Durham to Houston George Bush Intercntl..
The cheapest month to fly from Raleigh / Durham to Houston George Bush Intercntl. is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Raleigh / Durham Airport to Houston George Bush Intercntl. Airport on Tuesday, 9 June 2026.
Yes – the average flight time is 3 hours and 4 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Houston George Bush Intercntl. but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Houston is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Houston George Bush Intercntl..

Flying from Raleigh-Durham International Airport (RDU) to George Bush Intercontinental Airport (IAH): what you need to know

  • The average length of a direct flight from Raleigh-Durham International Airport to George Bush Intercontinental Airport is 2 hours 55 minutes.

  • Houston's timezone is UTC-5, which makes Houston one hour behind Durham.

  • Choose from 34 weekly Raleigh-Durham International Airport to George Bush Intercontinental Airport flights. The 06:10 departure with United Airlines is the earliest flight you can take. United Airlines operates the last service of the day at 17:18.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Show up at the airport on time to catch your RDU to IAH flight.

  • You'll likely experience longer lines in popular months like July. Arriving up to four hours in advance for international flights and two hours for a domestic departure will give you ample time for security and boarding.

  • Frontier Airlines is your gateway to discovering Houston (and maybe even some other great corners of United States!). Check out the direct flights from Raleigh-Durham International Airport to George Bush Intercontinental Airport offered by this carrier.

  • The airline with the highest number of bookings on this route is Frontier Airlines.

  • United Airlines is the most punctual carrier that operates RDU to IAH flights. An exceptional 84.88% of its services on this route arrive as planned.

  • We make it a breeze to book a flight with a stopover. To see all your options for tickets from Raleigh-Durham International Airport to George Bush Intercontinental Airport, uncheck 'Direct flights only.' Then, choose a flight offering a stop long enough to visit your chosen city. Worthwhile stopovers between RDU and IAH include:

    • Hartsfield-Jackson Atlanta International Airport

    • Nashville International Airport

    • Charlotte Douglas International Airport

How to find the cheapest flights from Raleigh-Durham International Airport (RDU) to George Bush Intercontinental Airport (IAH)

  • R 971 is currently the best price for a one-way Raleigh-Durham International Airport to George Bush Intercontinental Airport flight. A return flight starts from R 2,075. These fares can change depending on availability.

  • Score cheap tickets from RDU to IAH by booking six months ahead. According to our research, that's the sweet spot for landing a bargain.

  • May is the cheapest month for flights from Raleigh-Durham International Airport to George Bush Intercontinental Airport. If you'd like to fly during a different time of year, the 'Whole month' tool will show you the lowest airfares across every month.

  • You don't need to check back in every day to see if fares have dropped when you set up a Price Alert. We'll update you the moment the price changes on cheap flights from RDU to IAH.

  • Tailor your flights using filters. Choose your preferred departure and arrival times, airlines and total journey duration. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best' flights from Raleigh-Durham International Airport to George Bush Intercontinental Airport.

Handy information about Raleigh-Durham International Airport (RDU)

  • Raleigh-Durham International Airport has an excellent on-time record, so you're less likely to experience disruptions. Departures from RDU touch down on schedule 80.09% of the time.

  • Central Durham to Raleigh-Durham International Airport is around 23 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're catching a cab, ride-sharing or driving.

  • You can expect a journey time of around 1 hour 10 minutes when using public transport.

  • Booked an early flight from Raleigh-Durham International Airport to George Bush Intercontinental Airport? Avoid the last-minute rush to the airport (and sneak in some extra snooze time) by choosing one of these stays near RDU:

Arriving at George Bush Intercontinental Airport (IAH)

Getting from George Bush Intercontinental Airport (IAH) to central Houston

  • The street address for IAH is 16930 JFK Boulevard.

  • From George Bush Intercontinental Airport, Houston is approximately 27 kilometres away. It takes around 20 minutes to drive to the centre.

  • Travelling on public transport typically takes 50 minutes.

When to fly to George Bush Intercontinental Airport (IAH)

  • The quietest month for a flight from Raleigh-Durham International Airport to George Bush Intercontinental Airport is February, while July is the most popular. Pick the best time to visit Houston based on whether you prefer a more relaxed vibe or a faster pace.

  • The warmest month in Houston is August, with temperatures ranging between 24ºC (75ºF) and 40ºC (104ºF). Lock in your flights from Raleigh-Durham International Airport to George Bush Intercontinental Airport in this month if this is the type of weather you enjoy.

  • January sees average temperatures of between 5ºC (41ºF) and 19ºC (66ºF). Search for cheap tickets from RDU to IAH sometime then if you like travelling in cooler conditions.

Explore more of United States

  • San Antonio is just one of the many places in United States waiting to be discovered after you've seen Houston. Around 306 kilometres away to the west, its top attractions include The San Antonio River Walk, San Antonio Missions National Historical Park and San Fernando Cathedral.

  • Dallas is another essential stop in United States and is around 370 kilometres north of Houston. No trip is complete without experiencing Dallas Arboretum and Botanical Gardens, Perot Museum of Nature and Science and Dallas Museum of Art.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.