Cheap Flights from Houston (HOUA) to Las Vegas (LASA)

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Flight deals from Houston to Las Vegas

Looking for a cheap last-minute deal or the best return flight from Houston to Las Vegas? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Houston to Las Vegas

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Houston to Las Vegas flights are currently cheapest in August.

Direct flights from Houston to Las Vegas

Alternative Houston to Las Vegas routes

Looking for the cheapest, fastest or easiest route from Houston to Las Vegas? You could fly into the following airports instead.

Houston to Las Vegas: Flight information

The things to know before you go.
Cheapest flight found$159
Cheapest month to flyAugust
Average flight time3 hrs, 19 mins
Most popular airlineSouthwest Airlines
Average flights per week113

Finding cheap flights from Houston to Las Vegas: Frequently asked questions

There are 4 airports in Las Vegas: Las Vegas North Air Terminal, Las Vegas Harry Reid International, Las Vegas Henderson Sky Harbor, and Boulder City.
The best price we found for a return flight from Houston to Las Vegas is $159. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 19 minutes is the average flight time from Houston to Las Vegas.
Southwest Airlines, United and Spirit Airlines fly direct from Houston to Las Vegas.
As of July 2025, there are 113 flights per week flying from Houston to Las Vegas.
The cheapest month to fly from Houston to Las Vegas is usually August.
If you're flying from Houston, the cheapest airport near Las Vegas is Las Vegas Harry Reid International – which is 4.3 km away from the centre of Las Vegas. We've found flights into this airport from $159.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Houston to Las Vegas on Monday, 4 August 2025.
Yes – the average flight time is 3 hours and 19 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Las Vegas but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Las Vegas is around 40 days in advance, so don’t leave your flight to the last minute.
In July, the average temperature is usually around 30°C. July is typically the warmest month in Las Vegas, when it usually averages around 37°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging -0°C. The rainiest month is February.
The cheapest airline that flies to Las Vegas is Frontier Airlines .

Travelling from Houston to Las Vegas: what you need to know

  • Begin your trip planning by checking out the ideal departure point for your flight from Houston to Las Vegas. Explore the options for taking off from George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU), two of the city's main airports.

  • Harry Reid Airport (formerly McCarran Airport) (LAS) is where you'll disembark in Las Vegas.

  • The average duration of a direct Houston to Las Vegas flight is 3 hours 20 minutes.

  • The timezone in Las Vegas is UTC-7, which is two hours behind Houston.

  • With 59 weekly flights between the two airports, George Bush Intercontinental Airport (IAH) to Harry Reid Airport (formerly McCarran Airport) (LAS) is the busiest route. Board the earliest flight from Houston to Las Vegas with Spirit Airlines at 05:38. If you'd like to make the most of your day before flying, the last departure from IAH to LAS is with Spirit Airlines at 22:44.

  • To ensure you get on your Houston to Las Vegas flight, leave plenty of time to check in and drop off your luggage. Arriving two hours before international departures and an hour before domestic flights is the general travel rule.

  • Peak months like July or high seasons such as Christmas and New Year will mean bigger lines at security and check-in. Travelling then? Play it safe and get to the airport even earlier. Arriving two hours before domestic flights and four hours ahead of an international departure is a wise move.

How to find the cheapest flights from Houston to Las Vegas

  • The cheapest price we've found for a one-way ticket from Houston to Las Vegas is $75. For a return flight on this route, the best price is $159. Depending on the availability and when you book, these fares may change.

  • Book three months before you travel. Pricing trends show that this is the ideal window for finding cheap Houston to Las Vegas flights.

  • The best month for finding cheap plane tickets from Houston to Las Vegas is June. Use the 'Whole month' tool to compare flight prices, then select the dates that offer the lowest fares.

  • You don't need to check back in every day to see if prices have dropped when you set up a Price Alert. We'll let you know as soon as a better deal is available on cheap flights from Houston to Las Vegas.

  • Tailor your flights using filters. Choose your departure and arrival times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' Houston to Las Vegas flights.

Flying from Houston

George Bush Intercontinental Airport (IAH)

  • You can catch a direct flight from Houston to Las Vegas taking off from George Bush Intercontinental Airport (IAH). Start your journey at IAH and end it at Harry Reid Airport (formerly McCarran Airport) (LAS).

  • Pick from a variety of airlines that offer direct Houston to Las Vegas plane tickets out of IAH. Reserve your trip with one of these:

  • Travelling from central Houston to IAH takes about 50 minutes by public transport. If you ride-share, drive or grab a cab, you'll cover the 21 kilometres in 20 minutes or so, depending on traffic.

  • Planning to catch an early flight from Houston to Las Vegas? Avoid the last-minute rush to the terminal (and sneak in some extra snooze time) by choosing one of these hotels near George Bush Intercontinental Airport:

  • Of all flights leaving George Bush Intercontinental Airport, 78.42% arrive on time at their destination.

  • The address for IAH is 16930 JFK Boulevard.

William P. Hobby Airport (HOU)

  • Rather fly from William P. Hobby Airport (HOU)? This popular hub offers direct flights from Houston to Las Vegas, seamlessly connecting you to Harry Reid Airport (formerly McCarran Airport) (LAS).

  • From HOU, you can book a direct Houston to Las Vegas plane ticket with Southwest Airlines.

  • You can get to HOU from central Houston in about 20 minutes by car, depending on traffic. The journey on public transport takes roughly 1 hour 40 minutes to travel the 16 kilometres or so.

  • Want to enjoy an extra night away before boarding your flight from Houston to Las Vegas? Relax in a hotel near William P. Hobby Airport before your break officially begins. Check out these accommodation options:

  • Flights from William P. Hobby Airport have a reputation for punctuality, with 81.06% of them arriving right on cue.

  • You'll find HOU at 7800 Airport Boulevard.

Arriving in Las Vegas

Harry Reid Airport (formerly McCarran Airport) (LAS)

  • The distance from Harry Reid Airport (formerly McCarran Airport) (LAS) to central Las Vegas is roughly 10 kilometres. It takes around 15 minutes to reach the centre driving.

  • If you're using public transport, expect a journey time of around 1 hour.

  • If you're arriving on a late flight from Houston to Las Vegas, nothing beats the convenience of staying close to the terminal. Grab your luggage from the carousel and then be showered and sleeping not long after at one of these hotels near LAS:

  • Explore without limits with a Harry Reid Airport (formerly McCarran Airport) rental car. Pick up a set of wheels from Dollar, Thrifty or Alamo and discover more of Las Vegas and beyond.

  • Lock in the best possible rate by booking your vehicle from Harry Reid Airport (formerly McCarran Airport) around one week ahead of your trip.

  • You'll find LAS at 5757 Wayne Newton Boulevard.

Best time to go to Las Vegas

  • May is the quietest month for flights from Houston to Las Vegas, while October is the busiest. Figure out the ideal time to go to Las Vegas based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • The warmest month in Las Vegas is July, with temperatures ranging between 23ºC (73ºF) and 42ºC (108ºF). Lock in your Houston to Las Vegas ticket then if that's your ideal forecast.

  • January sees average temperatures of between -1ºC (30ºF) and 13ºC (55ºF). Search for cheap flights from Houston to Las Vegas around that time if you like travelling in cooler conditions.

More about Las Vegas

Explore more of United States

  • Los Angeles is just one of the many cities in United States waiting to be discovered once you've seen the sights of Las Vegas. Around 370 kilometres to the south-west, popular attractions include Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • If there's time to check out another side of United States, consider Phoenix, about 418 kilometres south-east of Las Vegas. Desert Botanical Garden, Heard Museum and Papago Park are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.