$59 Cheap Flights from Houston (IAH) to Las Vegas (LAS)

View $59 flight on Sun, May 25, 2025Opens in a new window

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

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $59 for one-way flights and $118 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, May 19 - Thu, May 22
IAH
Houston
LAS
Las Vegas
$118 Roundtrip, found 1 hour ago
$118
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, May 19 from Houston to Las Vegas, returning Thu, May 22, priced at $118 found 1 hour ago
Frontier Airlines
Sun, May 25 - Wed, May 28
IAH
Houston
LAS
Las Vegas
$123 Roundtrip, just found
$123
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, May 25 from Houston to Las Vegas, returning Wed, May 28, priced at $123 just found
Frontier Airlines
Mon, May 19 - Thu, May 22
IAH
Houston
LAS
Las Vegas
$125 Roundtrip, found 1 hour ago
$125
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, May 19 from Houston to Las Vegas, returning Thu, May 22, priced at $125 found 1 hour ago
Frontier Airlines
Mon, Jun 30 - Fri, Jul 4
IAH
Houston
LAS
Las Vegas
$128 Roundtrip, just found
$128
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Jun 30 from Houston to Las Vegas, returning Fri, Jul 4, priced at $128 just found
Spirit Airlines
Sat, May 17 - Sun, May 18
IAH
Houston
LAS
Las Vegas
$128 Roundtrip, just found
$128
Roundtrip
just found
Select Spirit Airlines flight, departing Sat, May 17 from Houston to Las Vegas, returning Sun, May 18, priced at $128 just found
Frontier Airlines
Wed, May 28 - Sat, May 31
IAH
Houston
LAS
Las Vegas
$130 Roundtrip, found 1 hour ago
$130
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, May 28 from Houston to Las Vegas, returning Sat, May 31, priced at $130 found 1 hour ago
Frontier Airlines
Mon, Jun 2 - Wed, Jun 4
IAH
Houston
LAS
Las Vegas
$133 Roundtrip, found 2 hours ago
$133
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Mon, Jun 2 from Houston to Las Vegas, returning Wed, Jun 4, priced at $133 found 2 hours ago
United
Sat, May 24 - Sun, May 25
IAH
Houston
LAS
Las Vegas
$197 Roundtrip, found 3 hours ago
$197
Roundtrip
found 3 hours ago
Select United flight, departing Sat, May 24 from Houston to Las Vegas, returning Sun, May 25, priced at $197 found 3 hours ago
American Airlines
Sat, May 24 - Sun, May 25
IAH
Houston
LAS
Las Vegas
$217 Roundtrip, found 3 hours ago
$217
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sat, May 24 from Houston to Las Vegas, returning Sun, May 25, priced at $217 found 3 hours ago
Delta
Tue, Jul 1 - Fri, Jul 4
IAH
Houston
LAS
Las Vegas
$217 Roundtrip, found 6 hours ago
$217
Roundtrip
found 6 hours ago
Select Delta flight, departing Tue, Jul 1 from Houston to Las Vegas, returning Fri, Jul 4, priced at $217 found 6 hours ago

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Harry Reid Intl. Airport (LAS) cost?
You can pick up cheap return tickets starting from $107 from George Bush Intercontinental Airport (IAH) to Harry Reid Intl. Airport (LAS). 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 IAH on May 20 2025 and touching down at LAS. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from IAH to LAS?
The cheapest flights from IAH 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 George Bush Intercontinental Airport (IAH) to Harry Reid Intl. Airport (LAS)?
Avoid the layovers and fly nonstop to Harry Reid Intl. Airport (LAS) from George Bush Intercontinental Airport (IAH) with 3 carriers, including:

  • United Airlines
  • Spirit Airlines
  • Frontier Airlines

What is the cheapest airline that flies from IAH to LAS?
With tickets starting at $48 for a one-way flight from IAH to LAS, Spirit Airlines is currently the cheapest airline flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from IAH on May 20 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from George Bush Intercontinental Airport (IAH) to Harry Reid Intl. Airport (LAS)?
With, on average, 9 direct flights that operate from George Bush Intercontinental Airport (IAH) to Harry Reid Intl. Airport (LAS) every day, you’ll be off on your next adventure in no time.
What are the most popular departure times for flights from George Bush Intercontinental Airport (IAH) to Harry Reid Intl. Airport (LAS)?
More people fly between IAH and LAS at 6 PM than at any other point in the day. Rather skip the crowds? Consider flying outside peak hours and you could save on your ticket as well.
What day of the week has the most flights from IAH to LAS?
Depart on a Friday if you’re looking for the largest selection of flights from George Bush Intercontinental Airport (IAH) to Harry Reid Intl. Airport (LAS).
What is the earliest flight from George Bush Intercontinental Airport (IAH) to Harry Reid Intl. Airport (LAS)?
Hop on the earliest flight at around 6:00AM UTC-6, departing from George Bush Intercontinental Airport (IAH). You’ll be traveling for around 3h 22m, reaching Harry Reid Intl. Airport (LAS) at approximately 7:22AM UTC-8.
How long does it take to fly from George Bush Intercontinental Airport (IAH) to Harry Reid Intl. Airport (LAS)?
It takes roughly 3 hours and 30 minutes to travel the 1,200 mi from IAH to LAS.
What airline has the least delays from IAH to LAS?
United Airlines has the best track record for on-time direct flights from George Bush Intercontinental Airport (IAH) to Harry Reid Intl. Airport (LAS), with an on-time score of 84%. Use the Expedia App to check your flight schedule before you jet off and get immediate updates about any changes.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Harry Reid Intl. Airport (LAS)?
To land at Harry Reid Intl. Airport (LAS) on time, select a flight that leaves from George Bush Intercontinental Airport (IAH) 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 Las Vegas from George Bush Intercontinental Airport (IAH)?
If you’re taking a direct flight from George Bush Intercontinental Airport (IAH) to Las Vegas, Harry Reid Intl. Airport (LAS) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from George Bush Intercontinental Airport (IAH) to Harry Reid Intl. Airport (LAS) last-minute?
Holding off until right before your break to book a ticket from IAH to LAS often results in higher prices. While it’s possible to find some last-minute discounts, they’re not always guaranteed. Be flexible with your travel plans to maximize your chances of landing a bargain.
Is it cheaper to book an IAH to LAS flight and hotel package?
Booking an IAH to LAS flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our extensive range of stays and then add activities, flights 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 George Bush Intercontinental Airport (IAH) to Harry Reid Intl. Airport (LAS)?
If you booked your IAH to LAS flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you’d like more information.
*Available to One Key members.