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Domestic route

Cheap flights from Las Vegas to Houston

Harry Reid International Airport (LAS) to George Bush Intercontinental Airport (IAH). 1,220 miles, 2h 45m nonstop.

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LAS to IAH at a glance

Computed from airline schedules and the fares we track for this route. Refreshed several times a day.

Distance
1,220 milesgreat-circle
Typical flight time
2h 45mnonstop, gate to gate
Nonstop airlines
UAWNNKF94 airlinesUnited, Southwest, Spirit
Nonstop flights per day
23all airlines combined
Cheapest month
January 2027over the next six months
Best day to fly
Wednesday18% less than Sunday
Time difference
2h aheadHouston vs Las Vegas

Las Vegas to Houston

Round trips from $88

Per traveler, taxes and fees included. Lowest fare we found departs Wed, Jan 6.

Cheapest month: January 2027

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Las Vegas to Houston fares by month

Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.

  1. September 2026from Wed, Sep 30$118
  2. October 2026from Tue, Oct 13$99
  3. November 2026from Wed, Nov 11$102
  4. December 2026from Tue, Dec 15$101
  5. January 2027from Wed, Jan 6$88
  6. February 2027from Wed, Feb 10$95

Airlines flying Las Vegas to Houston

4 airlines fly nonstop with 23 departures a day combined, plus 4 more with one stop.

Connecting options

Hubs where one airline can carry you on both legs, most choices first.

Which airport should I use?

Las VegasHouston has 2 airports. Fares can differ by $50 to $150 round trip between them, so check the alternatives before you book.

Other arrival airports near Houston

Tips for this route

  • United, Southwest, Spirit and Frontier all fly LAS to IAH nonstop, so compare the total with bags before picking the lowest base fare: the difference between a basic and a standard economy ticket is often less than one checked bag each way.
  • January 2027 is the cheapest month to fly over the next six months, with round trips from $88; September 2026 is the most expensive at $118 and up, a difference of $30 per traveler.
  • Departing on a Wednesday averages 18% less than a Sunday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
  • Fares on this route are usually lowest 4 to 8 weeks before departure and rise sharply inside two weeks.
  • Houston is 2 hours ahead of Las Vegas. Expect to lose 2 hours on the clock heading east, so an overnight or late-afternoon departure tends to arrive at a more usable hour.
Flying the other way? Houston to Las VegasFares, airlines and tips for IAH to LAS.

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Las Vegas to Houston: common questions

How long is the flight from Las Vegas to Houston?

A nonstop flight from Las Vegas (LAS) to Houston (IAH) takes about 2h 45m gate to gate, covering 1,220 miles. Connecting itineraries add the layover, typically 1 to 3 hours more in total.

Which airlines fly nonstop from LAS to IAH?

United Airlines, Southwest Airlines, Spirit Airlines and Frontier Airlines operate nonstop flights from Las Vegas (LAS) to Houston (IAH), with 23 nonstop departures a day between them. One-stop options connect through LAX, DFW and PHX.

What is the cheapest month to fly from Las Vegas to Houston?

Over the next six months, January 2027 has the lowest round-trip fares from Las Vegas (LAS) to Houston (IAH), starting at $88 per traveler including taxes and fees. Within any month, Wednesday departures average the lowest prices.

How far in advance should I book Las Vegas to Houston flights?

Fares on this route are usually lowest 4 to 8 weeks before departure and rise sharply inside two weeks. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.

What is the time difference between Las Vegas and Houston?

Houston is 2 hours ahead of Las Vegas. LAS is on America/Los Angeles time and IAH on America/Chicago time. Departure and arrival times in search results are always shown in local time at each airport.

Related routes

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