$173 Cheap United flights Roanoke (ROA) to Houston (IAH)

View $173 flight on Wed, Oct 15, 2025Opens in a new window

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$173 Cheap United flights Roanoke (ROA) to Houston (IAH)

Prices were available within the past 7 days and start at $173 for one-way flights and $259 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Aug 21 - Sat, Aug 23
ROA
Roanoke
IAH
Houston
$259 Roundtrip, found 4 hours ago
$259
Roundtrip
found 4 hours ago
Select United flight, departing Thu, Aug 21 from Roanoke to Houston, returning Sat, Aug 23, priced at $259 found 4 hours ago
United
Fri, Sep 5 - Sun, Sep 7
ROA
Roanoke
IAH
Houston
$283 Roundtrip, found 9 hours ago
$283
Roundtrip
found 9 hours ago
Select United flight, departing Fri, Sep 5 from Roanoke to Houston, returning Sun, Sep 7, priced at $283 found 9 hours ago
United
Thu, Jan 15 - Tue, Jan 20
ROA
Roanoke
IAH
Houston
$285 Roundtrip, found 15 hours ago
$285
Roundtrip
found 15 hours ago
Select United flight, departing Thu, Jan 15 from Roanoke to Houston, returning Tue, Jan 20, priced at $285 found 15 hours ago
United
Wed, Oct 15 - Sat, Oct 18
ROA
Roanoke
IAH
Houston
$287 Roundtrip, found 5 hours ago
$287
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Oct 15 from Roanoke to Houston, returning Sat, Oct 18, priced at $287 found 5 hours ago
United
Wed, Oct 15 - Sat, Oct 18
ROA
Roanoke
IAH
Houston
$290 Roundtrip, found 5 hours ago
$290
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Oct 15 from Roanoke to Houston, returning Sat, Oct 18, priced at $290 found 5 hours ago
United
Thu, Sep 18 - Sun, Sep 21
ROA
Roanoke
IAH
Houston
$292 Roundtrip, found 7 hours ago
$292
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Sep 18 from Roanoke to Houston, returning Sun, Sep 21, priced at $292 found 7 hours ago
Flights from Roanoke (ROA) to Houston (IAH)
Origin airport
Roanoke Regional
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines, Delta, United
Popular airline
Delta
Distance
1016 mi

Frequently asked questions

How much is a United Airlines flight from Roanoke Regional Airport (ROA) to George Bush Intercontinental Airport (IAH)?
Finding cheap one-way United Airlines flights from ROA to IAH from $173 on Expedia is a cinch — just filter by "Price (lowest to highest)." Or check out our affordable round-trip fares from $259 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 ROA to IAH with United Airlines?
Look for one-way or round-trip flights to Houston in November or February. You could find an affordable fare with United Airlines during these off-season months.
What is the cheapest time to book flights from Roanoke Regional Airport (ROA) to George Bush Intercontinental Airport (IAH) with United Airlines?
Search for affordable United Airlines flights from Roanoke Regional Airport (ROA) to George Bush Intercontinental Airport (IAH) one to three months before your day of 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 type and itinerary, the best day of the week to book a domestic flight is usually 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 their travel 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 Roanoke Regional Airport (ROA) to George Bush Intercontinental Airport (IAH)?
Simply enter your dates, click search and select "Nonstop" on Expedia to browse any direct flights from ROA to IAH with United Airlines or another airline.
What is the earliest United Airlines flight from ROA to IAH?
Filter your results by "Morning" and "Early Morning" to see the earliest flights from ROA to IAH. Jetting off early means flight cancellations are less likely.**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?
United Airlines flights from Roanoke Regional Airport (ROA) to Houston come in to land at George Bush Intercontinental Airport (IAH). This is the main gateway to this city.
Why fly with United Airlines from ROA to IAH?
A rewarding loyalty program and the ability to rack up points through United Mileage Plus are the start of the reasons to fly from ROA to IAH with United Airlines. Plus, by joining Expedia's free One Key™ program, you can receive OneKeyCash™* in addition to United Airlines's loyalty program earnings. It's yours to spend on your next adventure.*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 United Airlines flight from Roanoke Regional Airport (ROA) to George Bush Intercontinental Airport (IAH)?
Changes are typically free within 24 hours of making a booking, but your airline may charge you after that. For more details about altering your flights, go to your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to update your itinerary without additional costs, check the "No cancel fee" or "Changes included" filter when planning your next adventure.
*Available to One Key members.