$54 Cheap Spirit Airlines flights Las Vegas (LAS) to Houston (IAH)

View $54 flight on Sun, Aug 24, 2025Opens in a new window

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$54 Cheap Spirit Airlines flights Las Vegas (LAS) to Houston (IAH)

Prices were available within the past 7 days and start at $54 for one-way flights and $97 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Tue, Aug 19 - Wed, Aug 20
LAS
Las Vegas
IAH
Houston
$97 Roundtrip, found 21 hours ago
$97
Roundtrip
found 21 hours ago
Select Spirit Airlines flight, departing Tue, Aug 19 from Las Vegas to Houston, returning Wed, Aug 20, priced at $97 found 21 hours ago
Spirit Airlines
Tue, Aug 19 - Wed, Aug 20
LAS
Las Vegas
IAH
Houston
$100 Roundtrip, found 21 hours ago
$100
Roundtrip
found 21 hours ago
Select Spirit Airlines flight, departing Tue, Aug 19 from Las Vegas to Houston, returning Wed, Aug 20, priced at $100 found 21 hours ago
Spirit Airlines
Sun, Aug 24 - Mon, Aug 25
LAS
Las Vegas
IAH
Houston
$108 Roundtrip, just found
$108
Roundtrip
just found
Select Spirit Airlines flight, departing Sun, Aug 24 from Las Vegas to Houston, returning Mon, Aug 25, priced at $108 just found
Spirit Airlines
Sat, Aug 16 - Tue, Aug 19
LAS
Las Vegas
IAH
Houston
$109 Roundtrip, just found
$109
Roundtrip
just found
Select Spirit Airlines flight, departing Sat, Aug 16 from Las Vegas to Houston, returning Tue, Aug 19, priced at $109 just found
Spirit Airlines
Sat, Aug 16 - Mon, Aug 18
LAS
Las Vegas
IAH
Houston
$110 Roundtrip, just found
$110
Roundtrip
just found
Select Spirit Airlines flight, departing Sat, Aug 16 from Las Vegas to Houston, returning Mon, Aug 18, priced at $110 just found
Spirit Airlines
Tue, Aug 19 - Tue, Aug 26
LAS
Las Vegas
IAH
Houston
$111 Roundtrip, found 5 hours ago
$111
Roundtrip
found 5 hours ago
Select Spirit Airlines flight, departing Tue, Aug 19 from Las Vegas to Houston, returning Tue, Aug 26, priced at $111 found 5 hours ago
Flights from Las Vegas (LAS) to Houston (IAH)
Origin airport
Harry Reid Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Spirit Airlines, United
Popular airline
Spirit Airlines
Distance
1219 mi
Average flight time
5 hours 9 mins

Frequently asked questions

How much is a Spirit Airlines flight from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH)?
Set the "Price (lowest to highest)" filter on Expedia to find cheap Spirit Airlines round-trip flights from $97 from LAS to IAH. Affordable one-way options from $54 are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from LAS to IAH with Spirit Airlines?
Spirit Airlines flights to Houston tend to be cheaper in the low-season months of November and February. Whether you need a one-way or a return ticket, you could find a better deal then.
What is the cheapest time to book flights from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH) with Spirit Airlines?
For cheap Spirit Airlines fares from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH), start searching one to three months before your planned departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect how much you pay. Sunday tends to be the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Spirit Airlines fly nonstop from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH)?
Spirit Airlines has direct flights from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH), with 18 departures every week. Simply select the "Nonstop" and "Airline" filters during your search on Expedia to see all direct Spirit Airlines flights to IAH.
How long does it take to fly from LAS to IAH with Spirit Airlines?
On average, it takes 2h 59m to travel nonstop from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH) with Spirit Airlines.
Which day of the week has the most Spirit Airlines flights from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH)?
Spirit Airlines operates the most flights from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH) on Sunday. With up to 3 daily departures, you'll get the most flexibility and choice on this day.
What is the earliest Spirit Airlines flight from LAS to IAH?
The earliest flight from LAS to IAH with Spirit Airlines departs at 6:24AM UTC-8. You'll touch down at 11:23AM UTC-6. The last Spirit Airlines flight of the day leaves at 11:53PM UTC-8 and arrives at 4:50AM UTC-6. With around 20% fewer cancellations for departures before noon, beginning your travel day early is often the wisest option.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Spirit Airlines fly into in Houston?
Spirit Airlines flights from Harry Reid Intl. Airport (LAS) to Houston come in to land at George Bush Intercontinental Airport (IAH) and William P. Hobby Airport (HOU). The main Houston gateway serviced by this carrier is IAH. It's always worth comparing flights arriving at nearby airports on Expedia as they may have lower prices.
Why fly with Spirit Airlines from LAS to IAH?
Depart from LAS to IAH with Spirit Airlines and you'll enjoy a range of perks including a rewarding loyalty program. When booking through Expedia as a Free Spirit and One Key™ member, you could also earn OneKeyCash™* to use on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does Spirit Airlines fly from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH)?
You'll likely be seated on an Airbus A321 or an Airbus A320 when flying Spirit Airlines from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH). However, keep in mind that a different aircraft may be assigned due to operational demands.
Can I change or cancel my Spirit Airlines flight from Harry Reid Intl. Airport (LAS) to George Bush Intercontinental Airport (IAH)?
Depending on your fare type, a fee generally applies if you modify or cancel your flight more than 24 hours after confirmation. To find tickets with more flexibility, select our "No cancel fee" or "Changes included" filter when searching for flights. To learn more about canceling or changing your reservation, go to "Trips," select your flight and tick "Manage Booking."
*Available to One Key members.