$89 Cheap United flights Raleigh (RDU) to Houston (IAH)

View $89 flight on Fri, Oct 31, 2025Opens in a new window

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$89 Cheap United flights Raleigh (RDU) to Houston (IAH)

Prices were available within the past 7 days and start at $89 for one-way flights and $160 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Oct 25 - Thu, Oct 30
RDU
Raleigh
IAH
Houston
$160 Roundtrip, just found
$160
Roundtrip
just found
Select United flight, departing Sat, Oct 25 from Raleigh to Houston, returning Thu, Oct 30, priced at $160 just found
United
Sat, Oct 18 - Thu, Oct 23
RDU
Raleigh
IAH
Houston
$167 Roundtrip, just found
$167
Roundtrip
just found
Select United flight, departing Sat, Oct 18 from Raleigh to Houston, returning Thu, Oct 23, priced at $167 just found
United
Sat, Oct 11 - Thu, Oct 16
RDU
Raleigh
IAH
Houston
$176 Roundtrip, just found
$176
Roundtrip
just found
Select United flight, departing Sat, Oct 11 from Raleigh to Houston, returning Thu, Oct 16, priced at $176 just found
United
Sat, Sep 6 - Mon, Sep 8
RDU
Raleigh
IAH
Houston
$177 Roundtrip, just found
$177
Roundtrip
just found
Select United flight, departing Sat, Sep 6 from Raleigh to Houston, returning Mon, Sep 8, priced at $177 just found
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
Popular airline
Frontier Airlines
Distance
1040 mi
Average flight time
2 hours 36 mins

Frequently asked questions

How much is a United Airlines flight from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH)?
Use the "Price (lowest to highest)" filter on Expedia to look for cheap United Airlines round-trip flights from $160 from RDU to IAH. Affordable one-way options from $89 are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from RDU to IAH with United Airlines?
United Airlines flights to Houston are often more affordable in the low-season months of November and February. Whether you're in search of a round-trip or one-way ticket, you could land a better deal then.
What is the cheapest time to book flights from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH) with United Airlines?
Search for affordable United Airlines flights from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH) one to three months before your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and journey, the best day to book a domestic flight is generally Sunday and the most expensive day tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH)?
You can easily fly from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH) on any of United Airlines's 20 direct weekly flights. Use Expedia's "Nonstop" and "Airline" filters to find the United Airlines flight that'll get you to IAH at your preferred time.
How long does it take to fly from RDU to IAH with United Airlines?
From takeoff till touchdown, a nonstop United Airlines flight from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH) takes around 3h 18m.
Which day of the week has the most United Airlines flights from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH)?
United Airlines operates the most flights from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH) on Tuesday. With up to 3 daily departures, you'll get the most choice and flexibility on this day.
What is the earliest United Airlines flight from RDU to IAH?
Jetting off from RDU at 6:00AM UTC-5, the earliest United Airlines flight to IAH arrives at 8:18AM UTC-6. Traveling early means you'll be less likely to experience cancellations.* Not a morning person? The last United Airlines flight from RDU to IAH departs at 4:48PM UTC-5 and touches down at 7:09PM UTC-6.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Houston?
George Bush Intercontinental Airport (IAH) is the main arrival point for United Airlines flights from Raleigh - Durham Intl. Airport (RDU) to Houston. But the airline also flies to William P. Hobby Airport (HOU). Be sure to select Expedia's "All Airports" option for your destination to see what's available for your break in Houston.
Why fly with United Airlines from RDU to IAH?
With a rewarding loyalty program, United Airlines is a top pick for many travelers flying from RDU to IAH. Plus, as a United Mileage Plus and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH)?
For the Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH) route, United Airlines typically uses Boeing 737 MAX 8 and Embraer 175 planes. Don't forget that last-minute changes are possible for operational needs, meaning your flight may be on a different aircraft.
Can I change or cancel my United Airlines flight from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH)?
Changes are generally free within 24 hours of booking, but your airline may add a charge after that. For further information about altering your reservation, go to your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to change your plans without extra charges, tick the "Changes included" or "No cancel fee" filter when organizing your next adventure.

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