$89 Cheap United flights Las Vegas (LAS) to Houston (IAH)

View $89 flight on Sat, Oct 25, 2025Opens in a new window

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$89 Cheap United flights Las Vegas (LAS) to Houston (IAH)

Prices were available within the past 7 days and start at $89 for one-way flights and $147 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Oct 25 - Tue, Oct 28
LAS
Las Vegas
IAH
Houston
$147 Roundtrip, just found
$147
Roundtrip
just found
Select United flight, departing Sat, Oct 25 from Las Vegas to Houston, returning Tue, Oct 28, priced at $147 just found
Flights from Las Vegas (LAS) to Houston (IAH)
Origin airport
Harry Reid Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Spirit Airlines, United
Popular airline
Spirit Airlines
Distance
1219 mi
Average flight time
5 hours 9 mins

Frequently asked questions

How much is a United Airlines flight from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH)?
Use the "Price (lowest to highest)" filter on Expedia to search for cheap United Airlines return flights from $147 from LAS to IAH. Affordable one-way tickets from $89 are also on offer.**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 LAS to IAH with United Airlines?
United Airlines flights to Houston are typically more affordable in the low-season months of November and February. Whether you're in search of a one-way or round-trip ticket, you could find a better deal then.
What is the cheapest time to book flights from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH) with United Airlines?
Search for cheap United Airlines flights from Harry Reid Intl. Airport (LAS) 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. Regardless of fare class and journey, the best day to book a domestic flight is usually Sunday and the most expensive tends to be 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 Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH)?
United Airlines offers direct flights from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH), with 47 weekly departures. Simply choose the "Nonstop" and "Airline" filters during your search on Expedia to find all direct United Airlines flights to IAH.
How long does it take to fly from LAS to IAH with United Airlines?
From takeoff till touchdown, a direct United Airlines flight from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH) takes around 3h 3m.
Which day of the week has the most United Airlines flights from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH)?
If it's flexibility you're after, Sunday offers the most choice for United Airlines flights from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH). You can pick from 7 different departures.
What is the earliest United Airlines flight from LAS to IAH?
The earliest United Airlines flight from LAS to IAH takes off at 12:59AM UTC-8, landing at 5:56AM UTC-6. If you want to jet off later, the last United Airlines flight leaves LAS at 3:45PM UTC-8 and touches down at IAH at 8:49PM UTC-6. Flying before midday is generally a good option as morning flights tend to experience 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 United Airlines fly into in Houston?
United Airlines flights from Harry Reid Intl. Airport (LAS) to Houston arrive at George Bush Intercontinental Airport (IAH) and William P. Hobby Airport (HOU). The primary Houston hub served by this carrier is IAH. It's worth comparing flights arriving at nearby airports on Expedia as you may find lower prices.
Why fly with United Airlines from LAS to IAH?
A rewarding loyalty program and the chance to rack up points through United Mileage Plus are the start of the reasons to travel from LAS to IAH with United Airlines. Plus, when you sign up to our One Key™ program, you can receive OneKeyCash™* alongside United Airlines's loyalty program earnings. You can put it toward your future trips.*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 Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH)?
For the Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH) route, United Airlines typically flies Boeing 737-900 and Boeing 737 MAX 9 planes. Keep in mind that last-minute changes are possible for operational reasons, so your flight may be on another aircraft.
Can I change or cancel my United Airlines flight from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH)?
It's usually possible to modify or cancel your flight, although additional charges may apply if your booking was made more than 24 hours ago. Need flexible options? Make use of our "No cancel fee" or "Changes included" filter to find flights that won't charge you extra if you need to revise your plans. To modify your booking, head to "Trips," select your flight and click on "Manage Booking" for further information.

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