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

You can find one-way and return flights from LAS to IAH with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when LAS to IAH ticket fares go up or down.

The cheapest months to fly from Las Vegas, NV (LAS) to Houston, TX (IAH) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

Three airlines offer direct flights from Las Vegas, NV (LAS-Harry Reid Intl.) to Houston, TX (IAH-George Bush Intercontinental). Here are the top carriers:
* United operates 58 direct flights from Las Vegas, NV (LAS-Harry Reid Intl.) to Houston, TX (IAH-George Bush Intercontinental) every week.
* Spirit Airlines operates 26 direct flights from Las Vegas, NV (LAS-Harry Reid Intl.) to Houston, TX (IAH-George Bush Intercontinental) every week.
* Frontier Airlines operates 12 direct flights from Las Vegas, NV (LAS-Harry Reid Intl.) to Houston, TX (IAH-George Bush Intercontinental) every week.

To find a cheap flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Houston, TX (IAH-George Bush Intercontinental), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best airline to fly with from Las Vegas, NV (LAS-Harry Reid Intl.) to Houston, TX (IAH-George Bush Intercontinental) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. Alaska Airlines offers the most daily flights from Las Vegas, NV (LAS-Harry Reid Intl.) to Houston, TX (IAH-George Bush Intercontinental), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

When looking for the best time to fly from Las Vegas, NV (LAS-Harry Reid Intl.) to Houston, TX (IAH-George Bush Intercontinental), it's all about balancing good prices with plenty of flight options. February and September are typically the cheapest months, with average return flights around AU$346. While August is a popular month for travel, offering lots of flight choices, it might not align with the lowest fares. If you're flexible, aiming for February or September could give you a great deal on your trip.

You'll find around 13 nonstop flights per day from Harry Reid Intl. (LAS) to George Bush Intercontinental (IAH). For even more choices, look at flights that include layovers, as there are approximately 120 connecting flights per day. Some common connection points include Los Angeles Intl. (LAX), Seattle - Tacoma Intl. (SEA), and Dallas-Fort Worth Intl. (DFW).

The earliest flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Houston, TX (IAH-George Bush Intercontinental) typically departs around 12:05 AM local time. This flight is operated by Delta and is a seasonal service, active in August. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll generally find the most flights from Harry Reid International Airport (LAS) to George Bush Intercontinental (IAH) on a Friday, with around 98 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United, American Airlines, and Alaska Airlines. Fridays offer notably more flight options compared to other days of the week, making it a great day to find a flight that suits your schedule.

The most popular departure times for flights from Las Vegas, NV (LAS-Harry Reid Intl.) to Houston, TX (IAH-George Bush Intercontinental) are in the early morning, from 6am to 9am. Many major carriers, including American Airlines, Frontier Airlines and United, offer flights during this window. Many travellers prefer these times as they allow for an early start to your day in Houston.

A nonstop flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Houston, TX (IAH-George Bush Intercontinental) typically takes around 3 hours. This route covers a distance of approximately 1,963 kilometers. If you opt for a flight with one stop, your travel time will be longer, usually around 8 hours. Flights with two or more stops can take even longer, often around 9 hours 30 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic.

Yes, you can fly business class or first class between LAS and IAH.

Airlines that offer business class service on this route include:

* Frontier Airlines
* Delta

First class cabins are available on:

* Spirit Airlines
* Alaska Airlines
* United
* Delta
* American Airlines

It's easy to earn miles on a Las Vegas, NV (LAS) to Houston, TX (IAH) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to Houston from Harry Reid International Airport (LAS), you can fly directly into George Bush Intercontinental (IAH). Some flights may connect through major hubs like San Diego Intl. (SAN), Portland Intl. (PDX), or San Francisco Intl. (SFO) before reaching Houston. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Las Vegas, NV (LAS) to Houston, TX (IAH) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Las Vegas, NV (LAS) to Houston, TX (IAH) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Las Vegas, NV (LAS-Harry Reid Intl.) to Houston, TX (IAH-George Bush Intercontinental) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.