$59 Cheap Flights from Raleigh (RDU) to Houston (IAH)

View $59 flight on Sun, May 25, 2025Opens in a new window
Find available prices by choosing your travel dates.

Cheap Flights from Raleigh to Houston (RDU-IAH)

Prices were available within the past 7 days and start at $59 for one-way flights and $153 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sun, May 25 - Wed, Jun 11
RDU
Raleigh
IAH
Houston
$153 Roundtrip, found 7 hours ago
$153
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Sun, May 25 from Raleigh to Houston, returning Wed, Jun 11, priced at $153 found 7 hours ago
Frontier Airlines
Sun, May 25 - Wed, Jun 4
RDU
Raleigh
IAH
Houston
$168 Roundtrip, found 1 hour ago
$168
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sun, May 25 from Raleigh to Houston, returning Wed, Jun 4, priced at $168 found 1 hour ago
Frontier Airlines
Sun, May 25 - Sun, Jun 1
RDU
Raleigh
IAH
Houston
$174 Roundtrip, found 3 hours ago
$174
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sun, May 25 from Raleigh to Houston, returning Sun, Jun 1, priced at $174 found 3 hours ago
United
Tue, Jul 1 - Thu, Jul 3
RDU
Raleigh
IAH
Houston
$176 Roundtrip, found 18 hours ago
$176
Roundtrip
found 18 hours ago
Select United flight, departing Tue, Jul 1 from Raleigh to Houston, returning Thu, Jul 3, priced at $176 found 18 hours ago
United
Sat, Aug 30 - Sun, Sep 7
RDU
Raleigh
IAH
Houston
$179 Roundtrip, found 3 hours ago
$179
Roundtrip
found 3 hours ago
Select United flight, departing Sat, Aug 30 from Raleigh to Houston, returning Sun, Sep 7, priced at $179 found 3 hours ago
United
Tue, Jul 1 - Thu, Jul 3
RDU
Raleigh
IAH
Houston
$186 Roundtrip, found 18 hours ago
$186
Roundtrip
found 18 hours ago
Select United flight, departing Tue, Jul 1 from Raleigh to Houston, returning Thu, Jul 3, priced at $186 found 18 hours ago
United
Sat, Aug 30 - Sun, Sep 7
RDU
Raleigh
IAH
Houston
$189 Roundtrip, found 3 hours ago
$189
Roundtrip
found 3 hours ago
Select United flight, departing Sat, Aug 30 from Raleigh to Houston, returning Sun, Sep 7, priced at $189 found 3 hours ago
Spirit Airlines
Fri, Aug 22 - Sat, Aug 30
RDU
Raleigh
IAH
Houston
$191 Roundtrip, found 9 hours ago
$191
Roundtrip
found 9 hours ago
Select Spirit Airlines flight, departing Fri, Aug 22 from Raleigh to Houston, returning Sat, Aug 30, priced at $191 found 9 hours ago
American Airlines
Sat, Aug 30 - Sun, Sep 7
RDU
Raleigh
IAH
Houston
$199 Roundtrip, found 3 hours ago
$199
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sat, Aug 30 from Raleigh to Houston, returning Sun, Sep 7, priced at $199 found 3 hours ago
Delta
Sat, May 24 - Sun, May 25
RDU
Raleigh
IAH
Houston
$211 Roundtrip, found 4 hours ago
$211
Roundtrip
found 4 hours ago
Select Delta flight, departing Sat, May 24 from Raleigh to Houston, returning Sun, May 25, priced at $211 found 4 hours ago
Flights from Raleigh (RDU) to Houston (IAH)
Origin airport
Raleigh - Durham Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Spirit Airlines, United
Roundtrip price
$153
Distance
1040 mi

Raleigh to Houston Flights

The cheapest times to fly from Raleigh to Houston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Raleigh to Houston are during the month of May. You can find some of the cheapest flights from Raleigh to Houston with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Raleigh to Houston

Sunday is one of the best days to book for cheap flights from Raleigh to Houston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Raleigh to Houston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Raleigh to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $59 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Raleigh to Houston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Raleigh to Houston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH) cost?
Cheap return fares from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH) start at $161. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Frontier Airlines flight leaving RDU on May 11 2025 and touching down at IAH. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from RDU to IAH?
The cheapest flights from RDU to IAH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH)?
Take a nonstop flight with United Airlines and travel straight from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH).
What is the cheapest airline that flies from RDU to IAH?
Book a flight from RDU to IAH with Frontier Airlines. This airline currently offers the lowest one-way fare for this route, starting from $59. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from RDU on May 25 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH)?
With, on average, 3 nonstop flights that operate from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH) every day, you’ll be off on your next adventure in no time.
What are the most popular departure times for flights from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH)?
More travelers fly between RDU and IAH at 6 AM than at any other time. Looking to skip the crowds? Travel outside of rush hours and it’s possible you’ll save on your ticket as well.
What day of the week has the most flights from RDU to IAH?
Monday offers the most flights from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH). Consider taking off on this day and you’ll have a greater chance of finding a departure that works with your plans.
What is the earliest flight from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH)?
Raleigh - Durham Intl. Airport (RDU)’s first flight to George Bush Intercontinental Airport (IAH) leaves at approximately 6:00AM UTC-5. With a travel time of 3h 18m, you’ll arrive at around 8:18AM UTC-6.
How long does it take to fly from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH)?
Flights from RDU to IAH have an average travel time of 3 hours and 17 minutes. The total distance between these two airports is 1,050 mi.
What airline has the least delays from RDU to IAH?
Consider booking with United Airlines if you’d like to go straight from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH) without any delays. This airline has the best track record for punctuality, with an on-time score of 84%. Want to be notified if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH)?
Select a flight from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Houston from Raleigh - Durham Intl. Airport (RDU)?
Take a direct flight from Raleigh - Durham Intl. Airport (RDU) to Houston and arrive at George Bush Intercontinental Airport (IAH). Another gateway to the city is William P. Hobby Airport (HOU).
Is it cheaper to buy a plane ticket from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH) last-minute?
Last-minute bookings from RDU to IAH are usually more expensive. To lock in the lowest rates, start looking for flights early. That said, if you can play around with your travel dates, it’s possible to land a cheap fare right before you leave.
Is it cheaper to book a RDU to IAH flight and hotel package?
Compared with arranging flights and hotels separately, booking a RDU to IAH flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place will take the hassle out of travel planning. Just secure your flights and choose from our wide range of stays, then tailor your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH)?
In most cases, you can reschedule or cancel your RDU to IAH flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline’s rules and fees on flight changes, or if you’d like more information, head to our Customer Service portal.

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*Available to One Key members.