Atlanta to Houston
ATL to IAH
As of 2026-11-11
Cheap Flights from Las Vegas (LAS) to Houston (IAH)
- About 1,220 miles
- About 2.9 hours
- Best months: Apr, Oct, Nov
Houston is calling, and Las Vegas travelers have plenty of options. Airlines on LAS to IAH include United, Southwest, Spirit and Frontier. Expect about 2.9 hours in the air and fares from $176 when you book at the right moment.
Tips for finding a lower fare
- Try booking a Tuesday or Wednesday departure to Houston; those days are quieter on most carriers.
- Use a fare calendar and look at a full month before choosing dates.
- Compare the total trip cost, including bags and seat fees, not just the base fare to IAH.
Airlines on this route
United, Southwest, Spirit, Frontier
Things to see in Houston
- Houston Zoo
- Space Center Houston
- Museum District
Frequently asked questions
When is the cheapest time to fly from Las Vegas to Houston?
Fares on LAS to IAH are often lower in Apr, Oct and Nov. Prices move with demand, so compare a few dates on the partner site before you decide.
How long is the flight from LAS to IAH?
A nonstop flight takes about 2.9 hours. Itineraries with a connection take longer, depending on the layover.
Which airlines fly from Las Vegas to Houston?
Carriers we commonly see on this route include United, Southwest, Spirit and Frontier. Schedules and availability change, so check current options when you search.
How far ahead should I book LAS to IAH?
For most domestic trips, booking about 1 to 3 months ahead gives a good balance of price and choice. Holiday travel is better booked earlier.
Is the price I see here the final price?
No. Fares shown on this page are indicative and change often. The final price, taxes and fees are shown on the partner site at booking.
Get a custom quote
Tell us about your trip and a travel agent will call or text you with options. This is a request, not a booking, and fares are not guaranteed.
