C$42 Cheap Flights from Houston to Las Vegas

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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 January.

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 foundC$42
Cheapest month to flyJanuary
Average flight time3 hrs, 26 mins
Most popular airlineSouthwest Airlines
Average flights per week276

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

There are 4 airports in Las Vegas: North Las Vegas, Harry Reid International, Henderson Executive, and Boulder City Municipal.
The best price we found for a return flight from Houston to Las Vegas is C$94. 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 26 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 December 2025, there are 138 flights per week flying from Houston to Las Vegas.
The cheapest month to fly from Houston to Las Vegas is usually January.
If you're flying from Houston, the cheapest airport near Las Vegas is Harry Reid International – which is 4.3 km away from the centre of Las Vegas. We've found flights into this airport from C$94.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Houston to Las Vegas on Monday, January 12, 2026.
Yes – the average flight time is 3 hours and 26 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 December, the average temperature is usually around 6°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 .

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

  • Begin your travels at one of Houston's main airports, George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU). Check out your options for booking a flight from Houston to Las Vegas jetting off from either of these.

  • Harry Reid Airport (formerly McCarran Airport) (LAS) is the chief entry point to Las Vegas.

  • A direct flight from Houston to Las Vegas takes an average of 3 hours 15 minutes. The timezone in Las Vegas is UTC-7, making it 2 hours behind Houston.

  • The busiest route for flights from Houston to Las Vegas is from George Bush Intercontinental Airport (IAH) to Harry Reid Airport (formerly McCarran Airport) Airport (LAS). You can select from 79 services every week between these two airports. If you'd like to get going as soon as possible, the earliest flight from IAH to LAS is the 05:38 Spirit Airlines service. If you prefer to travel later, the last departure is at 22:44 with Spirit Airlines.

  • For hassle-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This way, you'll have plenty of time to catch your flight from Houston to Las Vegas.

  • Delays at check-in and security are more likely if you're jetting off during high season, so give yourself a bit more breathing room. A good rule for peak periods? Arrive up to four hours ahead for international flights and at least two hours for domestic departures.

  • After booking your cheap flights from Houston to Las Vegas, get your travel documents ready. A visa or passport isn't needed since you're flying within United States. As long as you have some other valid proof of identity, like a driver's licence or an ID card, you're ready to go.

Flying from Houston

George Bush Intercontinental Airport (IAH)

  • Jet off from George Bush Intercontinental Airport (IAH) on a nonstop flight from Houston to Las Vegas. From IAH, you can fly straight to Harry Reid Airport (formerly McCarran Airport) Airport (LAS).

  • At IAH, there's a good selection of carriers that offer direct flights from Houston to Las Vegas, including:

  • Consider adding a stopover to potentially save money on your flight from Houston to Las Vegas. Just deselect 'Direct flights only' when searching for departures from George Bush Intercontinental Airport. Take a pause at one of these popular options:

    • Dallas Love Field Airport (DAL)

    • Phoenix Sky Harbour International Airport (PHX)

    • El Paso International Airport (ELP)

  • Located around 27 kilometres from central Houston, IAH can be reached in approximately 20 minutes by car, depending on traffic. The journey on public transport will take roughly 49 minutes.

  • Catching an early flight from Houston to Las Vegas? Avoid rushing to the terminal (and sneak in some extra snooze time) by picking one of these stays near George Bush Intercontinental Airport:

William P. Hobby Airport (HOU)

  • Make the most of your vacation with a stopover on your flight from Houston to Las Vegas. Visit friends or family or tick another city off your list. Whatever you want to do, check out these stops between George Bush Intercontinental Airport and Las Vegas:

    • Dallas Love Field Airport (DAL)

    • Phoenix Sky Harbour International Airport (PHX)

    • El Paso International Airport (ELP)

  • You can arrive at HOU from central Houston in approximately 22 minutes by car (depending on traffic). The ride by public transport will take roughly 1 hour and 42 minutes to travel the 19 kilometres or so.

  • Want to spoil yourself with an extra night away before your flight from Houston to Las Vegas? Relax in a hotel near William P. Hobby Airport before your adventure officially begins. These stays are calling your name:

Arriving in Las Vegas

Harry Reid Airport (formerly McCarran Airport) Airport (LAS)

  • Harry Reid Airport (formerly McCarran Airport) Airport (LAS) is around 19 kilometres from central Las Vegas. With your own car rental or if you're catching a cab, the drive is around 15 minutes.

  • It takes around 1 hour to get there by public transport.

  • Reserve a hotel close to LAS if you're catching a late flight from Houston to Las Vegas. Choose one of these accommodation options and avoid the hassle of a long transfer:

How to find the cheapest flights from Houston to Las Vegas

  • C$42 is the lowest price for a one-way ticket from Houston to Las Vegas. A return flight starts from C$94. These prices can change based on demand and availability.

  • Get cheap flights from Houston to Las Vegas by booking at least 10 months ahead. Based on our research, that's the sweet spot for landing a bargain.

  • Organize your trip for June. That's the cheapest month for tickets from Houston to Las Vegas. If your travel dates are flexible, use the 'Whole month' tool to find the cheapest price across each month.

  • Create a Price Alert for cheap flights from Houston to Las Vegas. You don't need to look every day to find out if fares have dropped. We'll let you know the moment there's a change in price.

  • Use filters to tailor your flights from Houston to Las Vegas. Simply enter your preferred arrival and departure times, airlines and number of stops. Alternatively, sort your results by 'Cheapest' to get the best deals.

Best time to go to Las Vegas

  • October is the busiest month for flights from Houston to Las Vegas. To avoid the crowds, visit Las Vegas in May.

  • Schedule your flight from Houston to Las Vegas for July if you want to experience the city during its warmest month. Expect temperatures in Las Vegas to range from 23ºC to 42ºC.

  • Look for cheap flights from Houston to Las Vegas in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between -1ºC and 13ºC on average.

More about Las Vegas

  • Start your Las Vegas trip off on the right foot by choosing the perfect place to stay. As soon as you've booked your flight from Houston to Las Vegas, explore our selection of hotels including:

  • Las Vegas Strip and Fountains of Bellagio are a couple of top attractions to add to your Las Vegas itinerary. Continue your sightseeing adventures at Fremont Street Experience.

Complete your Las Vegas trip with a car rental

  • Finding you a cheap flight from Houston to Las Vegas isn't the only trick up our sleeve. Check out our car rentals in Las Vegas and explore the city on your own terms. We find deals from trusted car rental providers and put them all in one place. You can instantly compare offers and then book with no fees.

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