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

View AU$152 flight on Sat, 13 Sep. 2025Opens in a new window

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

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue., 5 Aug. - Tue., 12 Aug.
LAS
Las Vegas
IAH
Houston
AU$289 Return, found 15 hours ago
AU$289
Return
found 15 hours ago
Select American Airlines flight, departing Tue., 5 Aug. from Las Vegas to Houston, returning Tue., 12 Aug., priced at AU$289 found 15 hours ago
American Airlines
Sat., 16 Aug. - Wed., 20 Aug.
LAS
Las Vegas
IAH
Houston
AU$305 Return, found 9 hours ago
AU$305
Return
found 9 hours ago
Select American Airlines flight, departing Sat., 16 Aug. from Las Vegas to Houston, returning Wed., 20 Aug., priced at AU$305 found 9 hours ago
Alaska Airlines
Thu., 14 Aug. - Wed., 3 Sep.
LAS
Las Vegas
IAH
Houston
AU$314 Return, found 14 hours ago
AU$314
Return
found 14 hours ago
Select Alaska Airlines flight, departing Thu., 14 Aug. from Las Vegas to Houston, returning Wed., 3 Sep., priced at AU$314 found 14 hours ago
Hawaiian Airlines
Tue., 9 Sep. - Tue., 23 Sep.
LAS
Las Vegas
IAH
Houston
AU$314 Return, found 14 hours ago
AU$314
Return
found 14 hours ago
Select Hawaiian Airlines flight, departing Tue., 9 Sep. from Las Vegas to Houston, returning Tue., 23 Sep., priced at AU$314 found 14 hours ago
American Airlines
Thu., 4 Sep. - Wed., 10 Sep.
LAS
Las Vegas
IAH
Houston
AU$315 Return, found 4 days ago
AU$315
Return
found 4 days ago
Select American Airlines flight, departing Thu., 4 Sep. from Las Vegas to Houston, returning Wed., 10 Sep., priced at AU$315 found 4 days ago
Hawaiian Airlines
Tue., 12 Aug. - Wed., 3 Sep.
LAS
Las Vegas
IAH
Houston
AU$318 Return, found 14 hours ago
AU$318
Return
found 14 hours ago
Select Hawaiian Airlines flight, departing Tue., 12 Aug. from Las Vegas to Houston, returning Wed., 3 Sep., priced at AU$318 found 14 hours ago
Alaska Airlines
Thu., 4 Sep. - Wed., 10 Sep.
LAS
Las Vegas
IAH
Houston
AU$319 Return, found 4 days ago
AU$319
Return
found 4 days ago
Select Alaska Airlines flight, departing Thu., 4 Sep. from Las Vegas to Houston, returning Wed., 10 Sep., priced at AU$319 found 4 days ago
Hawaiian Airlines
Tue., 9 Sep. - Thu., 25 Sep.
LAS
Las Vegas
IAH
Houston
AU$320 Return, found 14 hours ago
AU$320
Return
found 14 hours ago
Select Hawaiian Airlines flight, departing Tue., 9 Sep. from Las Vegas to Houston, returning Thu., 25 Sep., priced at AU$320 found 14 hours ago
Delta
Fri., 26 Sep. - Mon., 6 Oct.
LAS
Las Vegas
IAH
Houston
AU$333 Return, found 6 days ago
AU$333
Return
found 6 days ago
Select Delta flight, departing Fri., 26 Sep. from Las Vegas to Houston, returning Mon., 6 Oct., priced at AU$333 found 6 days ago
United
Tue., 5 Aug. - Tue., 12 Aug.
LAS
Las Vegas
IAH
Houston
AU$346 Return, found 15 hours ago
AU$346
Return
found 15 hours ago
Select United flight, departing Tue., 5 Aug. from Las Vegas to Houston, returning Tue., 12 Aug., priced at AU$346 found 15 hours ago

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

September is typically the cheapest month to fly

From AU$74 - AU$303 per traveller.

Graph displaying average flight prices per month

Flight from Las Vegas to Houston route information
Origin airport
Harry Reid Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Return price
AU$288
Distance
1951 km
Average flight time
5 hours 7 mins

Your quick guide to flights from Las Vegas to Houston

Pick up great flights from Las Vegas to Houston

With Expedia, you have your pick of 13 flights a day with 20 airlines covering flights from Las Vegas to Houston. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Las Vegas to Houston that take around 6 hours.

Find cheap flights from Las Vegas to Houston

From the great flight deals with prices currently ranging from AU$289 to AU$346, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Las Vegas to Houston around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Houston is normally in August.

Reasons to book your flight from Las Vegas to Houston with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Las Vegas to Houston across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Houston right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from LAS to IAH?
The lowest price advertised for a round-trip flight between Harry Reid Airport (formerly McCarran Airport) and IAH is AU$289. But you better act soon. This figure is based on fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from LAS to George Bush Intercontinental Airport (IAH)?
Every airline has its own terms and conditions. If you decide to cancel your holiday, head to our Customer Service Portal.
How do I find cheap flights from LAS to Houston Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Harry Reid Airport (formerly McCarran Airport) to IAH flights, you'll see a "no change fees" filter for you to select.
How far is the flight from LAS to Houston Airport?
The flight distance from Las Vegas to Houston is 1 950 kilometres. Pack yourself a drink, a few snacks and a good book to read. Keep yourself entertained and the time will fly by.
Which airlines fly direct from LAS to IAH?
You have plenty of choice when travelling from Harry Reid Airport (formerly McCarran Airport) to Houston Airport. Book your ticket with one of these top airlines:
  • United Airlines - (UA) with 182 monthly flights
  • Spirit Airlines - (NK) with 91 monthly flights
  • Southwest Airlines - (WN) with 60 monthly flights
  • Frontier Airlines - (F9) with 34 monthly flights

Are Harry Reid Airport (formerly McCarran Airport) to George Bush Intercontinental Airport (IAH) flight tickets cheaper when they're purchased at the last minute?
It is possible to nab amazing last-minute deals from Harry Reid Airport (formerly McCarran Airport) to George Bush Intercontinental Airport (IAH), but it's also possible to miss out altogether! As many airlines release seats up to a year in advance, it's worth keeping an eye on fares early and being ready to pounce when you see a bargain. Expedia compares air carrier prices and updates flight deals often, so you can be sure you're always seeing the latest offers.

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