$58 Cheap Flights from Las Vegas (LAS) to Houston (IAH)

Popular airlines from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH)

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Cheap Flights from Las Vegas to Houston (LAS-IAH)

Prices were available within the past 7 days and start at $58 for one-way flights and $108 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Spirit Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
United
American Airlines
Delta

Alternative airports near Houston

Prices were available within the past 7 days. Prices and availability are subject to change.

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, Spirit Airlines, United
Roundtrip price
$102
Distance
1219 mi
Average flight time
5 hours 5 mins

Las Vegas to Houston Flights

The cheapest times to fly from Las Vegas to Houston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Las Vegas to Houston are during the month of July. You can find some of the cheapest flights from Las Vegas to Houston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Las Vegas to Houston

Sunday is one of the best days to book for cheap flights from Las Vegas to Houston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Las Vegas to Houston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Las Vegas to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $58 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Las Vegas to Houston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Las Vegas to Houston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH) cost?
Cheap return flights from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH) start at $81. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Spirit Airlines flight leaving LAS on July 19 2025 and touching down at IAH. The price was last updated on July 2 2025 and has not changed since.
What is the cheapest month to fly from LAS to IAH?
The cheapest flights from LAS to IAH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH)?
Skip the stopovers and travel nonstop from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH) with 3 airlines, including:

  • United Airlines
  • Spirit Airlines
  • Frontier Airlines

What is the cheapest airline that flies from LAS to IAH?
With tickets starting at $32 for a one-way journey from LAS to IAH, Spirit Airlines is currently the cheapest airline on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from LAS on July 29 2025. Prices were last updated on July 2 2025 and have not changed since.
How many flights per day from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH)?
With an average of 9 direct flights that operate from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH) each day, you'll be cruising above the clouds before you know it.
What are the most popular departure times for flights from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH)?
The 6 AM departures from LAS to IAH are the most sought after. These flights can come with a higher price due to their popularity. If you want to save on your fare, pick a less crowded time to fly.
What day of the week has the most flights from LAS to IAH?
If you fly on a Monday, you'll get the biggest range of options for flights from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH).
What is the earliest flight from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH)?
The earliest flight out of Harry Reid Intl. Airport (LAS) is at around 12:59AM UTC-8. Board this flight and you'll touch down at George Bush Intercontinental Airport (IAH) at approximately 5:56AM UTC-6. The entire trip takes 2h 57m.
How long does it take to fly from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH)?
The average flight time from LAS to IAH is 3 hours and 2 minutes, covering a total distance of 1,200 mi.
What airline has the least delays from LAS to IAH?
Southwest Airlines has the strongest track record for on-time direct flights from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH), with an on-time score of 83%. Use the Expedia App to look up your flight status before you head off and get notified of any changes.
What is the best time to fly from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH)?
To land at George Bush Intercontinental Airport (IAH) on schedule, select a flight that leaves Harry Reid Intl. Airport (LAS) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Houston from Harry Reid Intl. Airport (LAS)?
If you're taking a direct flight from Harry Reid Intl. Airport (LAS) to Houston, you'll come into land at either George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU).
Is it cheaper to buy a plane ticket from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH) last-minute?
Holding off until right before your break to book a flight from LAS to IAH generally means paying more. Although you may find some last-minute discounts, they're not always guaranteed. Be flexible with your itinerary to boost your chances of landing a bargain.
Is it cheaper to book a LAS to IAH flight and hotel package?
Booking a LAS to IAH flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our impressive range of hotels and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH)?
You can usually cancel or reschedule your LAS to IAH flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

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