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

You can find one-way and return flights from RDU to IAH with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when RDU to IAH ticket fares go up or down.

The cheapest months to fly from RDU to IAH are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

There are 2 airlines offering direct flights from Raleigh - Durham Intl. (RDU) to George Bush Intercontinental (IAH). Here are the carriers:
* United operates 25 direct flights from Raleigh - Durham Intl. (RDU) to George Bush Intercontinental (IAH) every week.
* Frontier Airlines operates 7 direct flights from Raleigh - Durham Intl. (RDU) to George Bush Intercontinental (IAH) every week.

To find a cheap flight from Raleigh, NC (RDU) to Houston, TX (IAH), 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.

The best airline to fly with from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Houston, TX (IAH-George Bush Intercontinental) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. American Airlines 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.

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.

You'll find approximately 4 nonstop flights per day from Raleigh - Durham Intl. (RDU) to George Bush Intercontinental (IAH). For even more choices, look at flights that include layovers, as there are around 95 connecting flights per day. Some common connection points include Hartsfield-Jackson Atlanta Intl., O'Hare Intl., and Dallas-Fort Worth Intl.

The earliest flight from Raleigh - Durham Intl. (RDU) to George Bush Intercontinental (IAH) typically departs around 5:00 AM. This flight is operated by American Airlines. This is a seasonal service, active in May, June, July, and August. 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.

You'll generally find the most flights from Raleigh - Durham Intl. (RDU) to George Bush Intercontinental (IAH) on a Thursday, with around 73 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, United, and Delta. Looking at the week, Thursday offers notably more flight options compared to other days, ensuring you have a good selection to choose from.

The most popular departure times for flights from Raleigh - Durham Intl. (RDU) to George Bush Intercontinental (IAH) are in the morning, from 9am to 12pm. Many major carriers, including American Airlines, Frontier Airlines and Delta, offer flights during this window. Many travellers prefer these times as it allows for an early start to their travel day, often arriving at their destination by early afternoon.

Flying from Raleigh - Durham Intl. (RDU) to George Bush Intercontinental (IAH) covers a distance of about 1,675 kilometers. A nonstop flight typically takes around 3 hours 18 minutes. If you opt for a one-stop flight, your travel time will be longer, usually around 6 hours 30 minutes. Flights with two or more stops generally take even longer, averaging about 9 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic.

You can fly business class or first class between RDU and IAH. Airlines that offer business class service on this route include:

* Frontier Airlines
* Delta

First class cabins are available on:

* Alaska Airlines
* Spirit Airlines
* Delta
* United
* American Airlines

It's easy to earn miles on a Raleigh, NC (RDU) to Houston, TX (IAH) 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.

If you're planning to travel to Houston from Raleigh - Durham Intl. (RDU), you can fly directly into George Bush Intercontinental (IAH). Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), LaGuardia (LGA), or Charlotte-Douglas Intl. (CLT) before reaching Houston. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Raleigh, NC (RDU) to Houston, TX (IAH) 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.

Securing a Raleigh, NC (RDU) to Houston, TX (IAH) 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.

If you booked your Raleigh, NC (RDU) to Houston, TX (IAH) 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.