$89 Cheap Flights from Houston (HOU) to Las Vegas (LAS)

View $89 flight on Sat, Oct 4, 2025Opens in a new window

Popular airlines from Houston William Hobby Airport (HOU) to Harry Reid Intl. Airport (LAS)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

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

Prices were available within the past 7 days and start at $89 for one-way flights and $177 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Sat, Oct 4 - Tue, Oct 7
HOU
Houston
LAS
Las Vegas
$177 Roundtrip, just found
$177
Roundtrip
just found
Select Southwest Airlines flight, departing Sat, Oct 4 from Houston to Las Vegas, returning Tue, Oct 7, priced at $177 just found
Sun Country Airlines
Sun, Sep 28 - Thu, Oct 2
HOU
Houston
LAS
Las Vegas
$317 Roundtrip, found 21 hours ago
$317
Roundtrip
found 21 hours ago
Select Sun Country Airlines flight, departing Sun, Sep 28 from Houston to Las Vegas, returning Thu, Oct 2, priced at $317 found 21 hours ago

Find the cheapest month to fly from Houston (HOU) to Las Vegas (LAS)

September is typically the cheapest month to fly

From $55 - $176 per traveler.

Graph displaying average flight prices per month

Alternative airports near Las Vegas

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

Select flight to McCarran Intl. LAS. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $137
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $137
Flights from Houston (IAH) to Las Vegas (LAS)
Origin airport
George Bush Intercontinental
Destination airport
Harry Reid Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, Sun Country Airlines
Roundtrip price
$97
Distance
1219 mi
Average flight time
1 hour 9 mins

Houston to Las Vegas Flights

The cheapest times to fly from Houston to Las Vegas

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 Houston to Las Vegas are during the month of October. You can find some of the cheapest flights from Houston to Las Vegas with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Houston to Las Vegas: 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 Houston to Las Vegas

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 Houston to Las Vegas in 2025. You can also book with separate airlines for your outbound and return journeys, from $89 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 Houston to Las Vegas 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 Houston to Las Vegas 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 William P. Hobby Airport (HOU) to Harry Reid Intl. Airport (LAS) cost?
Cheap round-trip fares from William P. Hobby Airport (HOU) to Harry Reid Intl. Airport (LAS) start from $104. 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 Southwest Airlines and Frontier Airlines flight leaving HOU on August 13 2025 and touching down at LAS. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from HOU to LAS?
The cheapest flights from HOU to LAS 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 William P. Hobby Airport (HOU) to Harry Reid Intl. Airport (LAS)?
When flying out of William P. Hobby Airport (HOU), you can take a direct flight to Harry Reid Intl. Airport (LAS) with Southwest Airlines.
What is the cheapest airline that flies from HOU to LAS?
Travel from HOU to LAS with Southwest Airlines. This carrier currently offers the cheapest one-way ticket for this route, starting from $75. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from HOU on August 18 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from William P. Hobby Airport (HOU) to Harry Reid Intl. Airport (LAS)?
With an average of 5 nonstop flights departing from William P. Hobby Airport (HOU) to Harry Reid Intl. Airport (LAS) every day, you'll be jetting off in no time.
What are the most popular departure times for flights from William P. Hobby Airport (HOU) to Harry Reid Intl. Airport (LAS)?
The 9 AM departures from HOU to LAS are the top choice for many travelers. 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 HOU to LAS?
Depart on a Friday if you're looking for the best choice of flights from William P. Hobby Airport (HOU) to Harry Reid Intl. Airport (LAS).
What is the earliest flight from William P. Hobby Airport (HOU) to Harry Reid Intl. Airport (LAS)?
Take the earliest flight at around 6:35AM UTC-6, leaving from William P. Hobby Airport (HOU). You'll be traveling for around 3h 20m, coming in to land at Harry Reid Intl. Airport (LAS) at approximately 7:55AM UTC-8.
How long does it take to fly from William P. Hobby Airport (HOU) to Harry Reid Intl. Airport (LAS)?
Flights from HOU to LAS have an average travel time of 3 hours and 25 minutes. The distance between these two airports is 1,250 mi.
What airline has the least delays from HOU to LAS?
Consider traveling with Southwest Airlines if you'd like to fly straight from William P. Hobby Airport (HOU) to Harry Reid Intl. Airport (LAS) without any holdups. This airline has the strongest track record for punctuality, with an on-time performance of 80%. Want to be updated if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from William P. Hobby Airport (HOU) to Harry Reid Intl. Airport (LAS)?
To avoid possible delays on the William P. Hobby Airport (HOU) to Harry Reid Intl. Airport (LAS) route, travel before 3 PM. Later flights have a 22% higher chance of cancellation.**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 Las Vegas from William P. Hobby Airport (HOU)?
If you're boarding a direct flight from William P. Hobby Airport (HOU) to Las Vegas, Harry Reid Intl. Airport (LAS) is the only airport you can land at.
Is it cheaper to buy a plane ticket from William P. Hobby Airport (HOU) to Harry Reid Intl. Airport (LAS) last-minute?
Holding off until right before your break to book your flight from HOU to LAS often results in higher prices. While you may come across some last-minute discounts, they aren't always guaranteed. Be flexible with your travel plans to maximize your chances of landing a bargain.
Is it cheaper to book a HOU to LAS flight and hotel package?
Booking a HOU to LAS flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Choose from our wide range of hotels and then add flights, activities and car rentals 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 William P. Hobby Airport (HOU) to Harry Reid Intl. Airport (LAS)?
Typically, you can cancel or reschedule your HOU to LAS flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need further information, visit our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.