Cheap Flights from Raleigh (RDU) to Houston (IAH)

View AU$245 flight on Sat, 20 June 2026Opens in a new window

Popular airlines from Raleigh-Durham International Airport (RDU) to George Bush Intercontinental Airport (IAH)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Raleigh (RDU) to Houston (IAH)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 20 June - Tue, 14 July
RDU
Raleigh
IAH
Houston
AU$489 Return, found 1 day ago
AU$489
Return
found 1 day ago
Select Delta flight, departing Sat, 20 June from Raleigh to Houston, returning Tue, 14 July, priced at AU$489 found 1 day ago
Delta
Sat, 20 June - Mon, 20 July
RDU
Raleigh
IAH
Houston
AU$527 Return, found 1 day ago
AU$527
Return
found 1 day ago
Select Delta flight, departing Sat, 20 June from Raleigh to Houston, returning Mon, 20 July, priced at AU$527 found 1 day ago
Delta
Thu, 18 June - Mon, 20 July
RDU
Raleigh
IAH
Houston
AU$565 Return, found 1 day ago
AU$565
Return
found 1 day ago
Select Delta flight, departing Thu, 18 June from Raleigh to Houston, returning Mon, 20 July, priced at AU$565 found 1 day ago
American Airlines
Sat, 20 June - Fri, 17 July
RDU
Raleigh
IAH
Houston
AU$585 Return, found 1 day ago
AU$585
Return
found 1 day ago
Select American Airlines flight, departing Sat, 20 June from Raleigh to Houston, returning Fri, 17 July, priced at AU$585 found 1 day ago
American Airlines
Sat, 20 June - Fri, 17 July
RDU
Raleigh
IAH
Houston
AU$598 Return, found 1 day ago
AU$598
Return
found 1 day ago
Select American Airlines flight, departing Sat, 20 June from Raleigh to Houston, returning Fri, 17 July, priced at AU$598 found 1 day ago
Delta
Fri, 19 June - Mon, 20 July
RDU
Raleigh
IAH
Houston
AU$623 Return, found 1 day ago
AU$623
Return
found 1 day ago
Select Delta flight, departing Fri, 19 June from Raleigh to Houston, returning Mon, 20 July, priced at AU$623 found 1 day ago
United
Sat, 20 June - Fri, 17 July
RDU
Raleigh
IAH
Houston
AU$635 Return, found 1 day ago
AU$635
Return
found 1 day ago
Select United flight, departing Sat, 20 June from Raleigh to Houston, returning Fri, 17 July, priced at AU$635 found 1 day ago
Delta
Sat, 20 June - Fri, 17 July
RDU
Raleigh
IAH
Houston
AU$635 Return, found 1 day ago
AU$635
Return
found 1 day ago
Select Delta flight, departing Sat, 20 June from Raleigh to Houston, returning Fri, 17 July, priced at AU$635 found 1 day ago
United
Sat, 20 June - Fri, 17 July
RDU
Raleigh
IAH
Houston
AU$649 Return, found 1 day ago
AU$649
Return
found 1 day ago
Select United flight, departing Sat, 20 June from Raleigh to Houston, returning Fri, 17 July, priced at AU$649 found 1 day ago
American Airlines
Sat, 20 June - Fri, 17 July
RDU
Raleigh
IAH
Houston
AU$655 Return, found 1 day ago
AU$655
Return
found 1 day ago
Select American Airlines flight, departing Sat, 20 June from Raleigh to Houston, returning Fri, 17 July, priced at AU$655 found 1 day ago

Frequently asked questions

How much does a flight from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Houston, TX (IAH-George Bush Intercontinental) cost?
One-way flights typically cost between $228 and $689 and return flights often range between $228 and $689. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
Which airlines fly direct from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
Enter RDU to IAH and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
To find a cheap flight from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Houston, TX (IAH-George Bush Intercontinental), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
The best airline to fly with from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Houston, TX (IAH-George Bush Intercontinental) will differ from traveller to traveller. If you like to fly early, F9 offers early morning flights. If price is the most important factor, F9 typically offers the lowest fares. AA offers the most daily flights from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Houston, TX (IAH-George Bush Intercontinental), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
There are approximately 4 nonstop flights per day from Raleigh - Durham Intl. (RDU) to George Bush Intercontinental (IAH). For even more choice, look at flights that include layovers, as there are around 91 connecting flights per day. Some common connection points include Hartsfield-Jackson Atlanta Intl. (ATL), O'Hare Intl. (ORD), and Dallas-Fort Worth Intl. (DFW).
What is the earliest flight from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
The earliest flight from Raleigh - Durham Intl. (RDU) to George Bush Intercontinental (IAH) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in May, June, and July. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
You'll typically find the most flights from Raleigh - Durham Intl. (RDU) to George Bush Intercontinental (IAH) on a Thursday, with around 70 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, United Airlines, and Delta Air Lines. Thursdays offer notably more flight options compared to other days of the week.
What are the most popular departure times for flights from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
The most popular departure times for flights from Raleigh - Durham Intl. (RDU) to George Bush Intercontinental (IAH) are in the morning, between 9am and 12pm. Around 23% of passengers reckon this time window's best. Heaps of major carriers, including American Airlines, Frontier Airlines and Delta Air Lines, offer flights during this window. This timing works well for many travelers as it allows for a productive morning before heading to the airport, and an arrival in Houston with plenty of the day left.
How long does it take to fly from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
A nonstop flight from RDU to IAH typically takes around 3 hours 20 minutes, covering approximately 1,041 miles. Connecting flights on this route usually add 3 hours 10 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
Select the "Business class" and "First class" filters when looking for RDU to IAH flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Raleigh, NC (RDU-Raleigh - Durham Intl.) to Houston, TX (IAH-George Bush Intercontinental) flight with Expedia?
It's easy to earn miles on a Raleigh, NC (RDU-Raleigh - Durham Intl.) to Houston, TX (IAH-George Bush Intercontinental) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Houston from Raleigh - Durham Intl. (RDU)?
From Raleigh - Durham Intl. (RDU), you can fly into William P. Hobby (HOU) and George Bush Intercontinental (IAH) in Houston. Some flights may connect through major hubs like Nashville Intl. (BNA), Baltimore Washington Intl. Thurgood Marshall (BWI), Orlando Intl. (MCO) before reaching Houston. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Houston, TX (IAH-George Bush Intercontinental) at the last minute?
Typically, booking a last minute flight from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Houston, TX (IAH-George Bush Intercontinental) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Raleigh, NC (RDU-Raleigh - Durham Intl.) to Houston, TX (IAH-George Bush Intercontinental) flight and hotel package?
Securing a Raleigh, NC (RDU-Raleigh - Durham Intl.) to Houston, TX (IAH-George Bush Intercontinental) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
If you booked your Raleigh, NC (RDU-Raleigh - Durham Intl.) to Houston, TX (IAH-George Bush Intercontinental) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Raleigh - Durham Intl.
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines, Delta, United
Return price
AU$488
Distance
1665 km
Average flight time
3 hours 34 mins

Book with confidence

Your quick guide to flights from Raleigh to Houston

Pick up great flights from Raleigh to Houston

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Raleigh to Houston. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Raleigh to Houston that take around hours.

Find cheap flights from Raleigh to Houston

From the great flight deals with prices currently ranging from AU$489 to AU$655, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Raleigh to Houston around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Houston is normally in June.

Reasons to book your flight from Raleigh to Houston with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Raleigh to Houston across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Houston right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Raleigh to Houston

Explore a world of travel with Expedia

*Available to Expedia members.