$49 Cheap Flights from Houston (IAH) to Las Vegas (LAS)

View $49 flight on Tue, May 19, 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

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

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

Prices were available within the past 7 days and start at $49 for one-way flights and $98 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, May 6 - Fri, May 15
IAH
Houston
LAS
Las Vegas
$98 Roundtrip, just found
$98
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 6 from Houston to Las Vegas, returning Fri, May 15, priced at $98 just found
Spirit Airlines
Tue, Apr 14 - Thu, Apr 23
IAH
Houston
LAS
Las Vegas
$105 Roundtrip, just found
$105
Roundtrip
just found
Select Spirit Airlines flight, departing Tue, Apr 14 from Houston to Las Vegas, returning Thu, Apr 23, priced at $105 just found
Frontier Airlines
Wed, May 6 - Fri, May 15
IAH
Houston
LAS
Las Vegas
$108 Roundtrip, just found
$108
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 6 from Houston to Las Vegas, returning Fri, May 15, priced at $108 just found
Frontier Airlines
Wed, Apr 15 - Sat, Apr 18
IAH
Houston
LAS
Las Vegas
$109 Roundtrip, just found
$109
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Apr 15 from Houston to Las Vegas, returning Sat, Apr 18, priced at $109 just found
Frontier Airlines
Sun, Apr 5 - Tue, Apr 14
IAH
Houston
LAS
Las Vegas
$110 Roundtrip, just found
$110
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, Apr 5 from Houston to Las Vegas, returning Tue, Apr 14, priced at $110 just found
Spirit Airlines
Tue, Apr 7 - Tue, Apr 14
IAH
Houston
LAS
Las Vegas
$112 Roundtrip, found 4 hours ago
$112
Roundtrip
found 4 hours ago
Select Spirit Airlines flight, departing Tue, Apr 7 from Houston to Las Vegas, returning Tue, Apr 14, priced at $112 found 4 hours ago
Frontier Airlines
Sun, May 3 - Tue, May 12
IAH
Houston
LAS
Las Vegas
$114 Roundtrip, just found
$114
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, May 3 from Houston to Las Vegas, returning Tue, May 12, priced at $114 just found
United
Tue, Apr 28 - Wed, Apr 29
IAH
Houston
LAS
Las Vegas
$192 Roundtrip, found 14 hours ago
$192
Roundtrip
found 14 hours ago
Select United flight, departing Tue, Apr 28 from Houston to Las Vegas, returning Wed, Apr 29, priced at $192 found 14 hours ago
Delta
Tue, May 19 - Wed, May 20
IAH
Houston
LAS
Las Vegas
$211 Roundtrip, found 9 hours ago
$211
Roundtrip
found 9 hours ago
Select Delta flight, departing Tue, May 19 from Houston to Las Vegas, returning Wed, May 20, priced at $211 found 9 hours ago
American Airlines
Wed, Apr 15 - Sat, Apr 18
IAH
Houston
LAS
Las Vegas
$217 Roundtrip, just found
$217
Roundtrip
just found
Select American Airlines flight, departing Wed, Apr 15 from Houston to Las Vegas, returning Sat, Apr 18, priced at $217 just found

The Annual Vacation Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.
Book now

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 $195
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $195

Frequently asked questions

How much does a flight from Houston, TX (IAH-George Bush Intercontinental) to Las Vegas, NV (LAS-Harry Reid Intl.) cost?
You can find cheap one-way flights from $49 and cheap return flights from $98 Houston, TX (IAH-George Bush Intercontinental) to Las Vegas, NV (LAS-Harry Reid Intl.) with Expedia. One-way flights usually range from $130 to $1359, and return flights typically cost between $269 and $1981. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Houston, TX (IAH-George Bush Intercontinental) to Las Vegas, NV (LAS-Harry Reid Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Houston, TX (IAH-George Bush Intercontinental) to Las Vegas, NV (LAS-Harry Reid Intl.)?
February is the cheapest month to fly from Houston, TX (IAH) to Las Vegas, NV (LAS), with average round-trip fares around $246. This is about 16% lower than the average price throughout the year, as travel demand is typically lower after the holiday season. Other budget-friendly months include August and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Houston, TX (IAH-George Bush Intercontinental) to Las Vegas, NV (LAS-Harry Reid Intl.)?
3 airlines operate nonstop service from IAH to LAS:

  • United operates around 77 direct flights from IAH to LAS every week
  • Spirit Airlines operates around 14 direct flights from IAH to LAS every week
  • Frontier Airlines operates around 11 direct flights from IAH to LAS every week

What is the cheapest airline that flies from Houston, TX (IAH-George Bush Intercontinental) to Las Vegas, NV (LAS-Harry Reid Intl.)?
JetBlue Airways is one of the cheapest airlines offering connecting flights from George Bush Intercontinental (IAH) to Harry Reid Intl. (LAS), with round-trip tickets starting from around $532. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Houston, TX (IAH-George Bush Intercontinental) to Las Vegas, NV (LAS-Harry Reid Intl.)?
To find a cheap flight from Houston, TX (IAH-George Bush Intercontinental) to Las Vegas, NV (LAS-Harry Reid Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Houston, TX (IAH-George Bush Intercontinental) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The best airline to fly with from Houston, TX (IAH-George Bush Intercontinental) to Las Vegas, NV (LAS-Harry Reid Intl.) will differ from traveler to traveler. If you like to fly early, Spirit Airlines offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. United offers the most daily flights from IAH to LAS, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Houston, TX (IAH-George Bush Intercontinental) to Las Vegas, NV (LAS-Harry Reid Intl.)?
For flights from Houston (IAH) to Las Vegas (LAS), February and August are your best bets. February is the cheapest month with return flights averaging around $246, while August is popular for travelers seeking summer fun. These months provide a great mix of affordability and flight options, making your travel planning easier.*Prices based on flights available on Expedia in the last year.
How many flights per day from Houston, TX (IAH-George Bush Intercontinental) to Las Vegas, NV (LAS-Harry Reid Intl.)?
On average, there are around 14 nonstop flights per day from George Bush Intercontinental (IAH) to Harry Reid International Airport (LAS). For more options, look at flights that include layovers.
What is the earliest flight from Houston, TX (IAH-George Bush Intercontinental) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The earliest flight from George Bush Intercontinental Airport (IAH) to Harry Reid International Airport (LAS) typically departs at around 5:00 AM, operated by American Airlines. This seasonal service can help you get an early start on your day in Las Vegas. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Houston, TX (IAH-George Bush Intercontinental) to Las Vegas, NV (LAS-Harry Reid Intl.)?
For flights from Houston (IAH) to Las Vegas (LAS), the most popular departure times are in the morning, from 6am to 9am. About 24% of passengers prefer this time window. Many major carriers, including American Airlines, Delta Airlines, and United Airlines, operate flights during this period. This timing works well for travelers eager to start their Las Vegas adventure early.
How long does it take to fly from Houston, TX (IAH-George Bush Intercontinental) to Las Vegas, NV (LAS-Harry Reid Intl.)?
Direct flights from IAH to LAS usually take about 3 hours 30 minutes, traveling roughly 1,220 miles. If you opt for a connecting flight, expect to add around 4 hours 50 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Houston, TX (IAH-George Bush Intercontinental) to Las Vegas, NV (LAS-Harry Reid Intl.)?
You can fly first class between IAH and LAS. First class cabins are available on:

  • Delta Air Lines
  • American Airlines
  • United Airlines
  • Spirit Airlines

How much is a business class flight from Houston, TX (IAH-George Bush Intercontinental) to Las Vegas, NV (LAS-Harry Reid Intl.)?
A direct, return business class ticket from Houston, TX (IAH) to Las Vegas, NV (LAS) typically costs between $1,775 - $2,588. A non-stop, one-way business class flight is usually around $757 - $1,303. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Houston, TX (IAH-George Bush Intercontinental) to Las Vegas, NV (LAS-Harry Reid Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Houston, TX (IAH-George Bush Intercontinental) to Las Vegas, NV (LAS-Harry Reid Intl.) flight with Expedia?
It's easy to earn miles on a Houston, TX (IAH-George Bush Intercontinental) to Las Vegas, NV (LAS-Harry Reid Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Las Vegas from George Bush Intercontinental (IAH)?
If you're planning to travel to Las Vegas from George Bush Intercontinental (IAH), you can fly into Harry Reid International Airport (LAS) Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Dallas-Fort Worth Intl. (DFW), Portland Intl. (PDX) before reaching Las Vegas. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Houston, TX (IAH-George Bush Intercontinental) to Las Vegas, NV (LAS-Harry Reid Intl.) at the last minute?
Typically, booking a last minute flight from Houston, TX (IAH-George Bush Intercontinental) to Las Vegas, NV (LAS-Harry Reid Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Houston, TX (IAH-George Bush Intercontinental) to Las Vegas, NV (LAS-Harry Reid Intl.) flight and hotel package?
Securing a Houston, TX (IAH-George Bush Intercontinental) to Las Vegas, NV (LAS-Harry Reid Intl.) Las Vegas Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Houston, TX (IAH-George Bush Intercontinental) to Las Vegas, NV (LAS-Harry Reid Intl.)?
If you booked your Houston, TX (IAH-George Bush Intercontinental) to Las Vegas, NV (LAS-Harry Reid Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Spirit Airlines, United
Roundtrip price
$98
Distance
1219 mi
Average flight time
1 hour 33 mins

Book with confidence

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 May. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $49 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.

 

Houston to Las Vegas Flights

*Flight schedules are subject to change.

Explore a world of travel with Expedia

*Available to One Key members.