$109 Cheap Delta flights Raleigh (RDU) to Houston (IAH)

View $109 flight on Sat, Nov 8, 2025Opens in a new window

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$109 Cheap Delta flights Raleigh (RDU) to Houston (IAH)

Prices were available within the past 7 days and start at $109 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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
Delta
Distance
1040 mi
Average flight time
2 hours 42 mins

Frequently asked questions

How much is a Delta Air Lines flight from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH)?
Landing cheap one-way Delta Air Lines flights from RDU to IAH from $109 on Expedia is a cinch --- just filter by "Price (lowest to highest)." Or check out our budget-friendly round-trip fares for your next break.**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 Delta Air Lines?
Delta Air Lines flights to Houston are often cheaper in the off-peak months of November and February. Whether you're searching for a round-trip or one-way ticket, you could score 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 Delta Air Lines?
Search for affordable Delta Air Lines flights from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH) one to three months before your departure. 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. No matter the fare class and itinerary, the ideal day to book a domestic flight is generally Sunday and the most expensive day is typically 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 Delta Air Lines fly nonstop from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH)?
Use the "Nonstop" filter when browsing for direct Delta Air Lines flights from RDU to IAH. It's also an easy way to compare other airlines servicing the same direct trip.
What is the earliest Delta Air Lines flight from RDU to IAH?
Find Delta Air Lines's earliest flights from RDU to IAH by selecting our "Morning" and "Early Morning" filters. Not only will you arrive at your destination sooner, early departures also experience 20% fewer cancellations.**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 Delta Air Lines fly into in Houston?
Delta Air Lines flights from Raleigh - Durham Intl. Airport (RDU) to Houston touch down at George Bush Intercontinental Airport (IAH). This is the main entry point to this city.
Why fly with Delta Air Lines from RDU to IAH?
Delta Air Lines makes traveling from RDU to IAH more comfortable with an excellent in-flight experience and a rewarding loyalty program. You may even earn points with Delta SkyMiles. Remember to sign up to Expedia's free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Raleigh - Durham Intl. Airport (RDU) to George Bush Intercontinental Airport (IAH)?
Changes are typically free within 24 hours of booking, but your airline may add a charge after that time. For more information about modifying your flights, check out your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to change your itinerary without being charged, check the "Changes included" and "No cancel fee" filters when organizing your next trip.

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