The cheapest times to fly from LAS to IAH are
- August 6th to February 18th (except the weeks of November 19th and December 17th)
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from LAS to IAH is mid to late September. Prices can be as high as $831 for Sunday flights during mid May, or as low as $122 for Tuesday flights around mid to late September.
When to Fly to Houston
Flying from Las Vegas, NV (LAS) to Houston, TX (IAH) will usually cost between $150 to $469 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late September with an average ticket price of $185. Due to high demand the most expensive time to fly is mid May, with an average price of $483. Planning your trip to low-cost times can easily save you $298 on economy flights and even more on first-class flights. Generally, any price below $283 can be considered a good price for a round-trip LAS to IAH flight.
See below for a graph of average weekly prices for the LAS to IAH route. All prices are for round-trip tickets in USD.
Compared to other flights, the LAS to IAH flight is much cheaper than the average and costs much less than the average flight leaving from Las Vegas. The average price per mile (for a direct flight) is $0.14, which is far below average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $119 (33%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $243. Return trip prices are from the IAH to LAS flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from LAS to IAH can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 3 hour 11 minutes may be realistic.
Alternative Nearby Airports
Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from LAS to IAH while comparing.
- 140 miles (225 km) away from IAH
- Usually 27.43% less expensive than IAH
- Nonstop flights available
Flight Questions Answered
Still have questions about flying from LAS to IAH? We’ve got answers.
Which airlines fly this route?
You can find 10 major airlines flying this route most often: Alaska, American, Delta, Emirates, Frontier, JetBlue, Qantas, Qatar Airways, Spirit, United, and potentially more during busy seasons.
How far away is it from George Bush Intercontinental/Houston Airport to McCarran International Airport?
The distance between the two airports is roughly 1219 miles or 1962 kilometers.
How long does it take to fly from LAS to IAH?
The real-world flight time for a nonstop LAS to IAH flight is about 3 hour 11 minutes.
How many flights go between Las Vegas, NV and Houston, TX?
It depends on the day of the week and the date, but a typical day might have around 65 available flights from LAS to IAH.
Airport Location Info
|Origination airport name||McCarran International Airport|
|City||Las Vegas, NV|
|Country||the United States|
|Destination airport name||George Bush Intercontinental/Houston Airport|
|Country||the United States|
Late and Early Flight Data
Flights from LAS to IAH tend to depart as late as the average flight. According to our recently updated data, 25% of flights departed 5 or more minutes late, and 37% of flights left 5 or more minutes early. On average you can expect to leave IAH heading for LAS about 17 minutes late. This does significantly impact arrival time, as the average landing time in Houston, TX is about 18 minutes late. The numbers below show a recent average of take-off times versus the scheduled departure flight:
- United: 12 minutes late
- Spirit: 32 minutes late
- Frontier: 22 minutes late
- Some airlines not reporting
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.