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IAH to LAS: distance & flight time
Houston (George Bush Intercontinental Houston Airport) → Las Vegas (McCarran International Airport)
1,220 mi
1,963 km · 1,060 nm
3h 7m
estimated nonstop flight time
-2h
time difference · heading northwest
See live IAH→LAS fares Phone-only fares on this route — call free
Flight time details
1,220 miles nonstop takes roughly 3h 7m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- IAH — George Bush Intercontinental Houston Airport · Houston, United States
- LAS — McCarran International Airport · Las Vegas, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near IAH
- DWH · David Wayne Hooks Memorial Airport14 mi away
- IWS · West Houston Airport23 mi away
- AAP · Andrau Airpark23 mi away
- HOU · William P Hobby Airport24 mi away
Near LAS
- HSH · Henderson Executive Airport7 mi away
- VGT · North Las Vegas Airport9 mi away
- LSV · Nellis Air Force Base13 mi away
- INS · Creech Air Force Base45 mi away
Frequently asked questions
How far is IAH from LAS?
The flight distance from Houston (IAH) to Las Vegas (LAS) is 1,220 miles (1,963 km, 1,060 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAH to LAS?
A nonstop flight takes about 3h 7m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from IAH to LAS?
Nonstop service on IAH–LAS depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 3h 7m nonstop estimate.
What is the time difference between Houston and Las Vegas?
Las Vegas is 2 hours behind Houston.
What is the cheapest way to fly from IAH to LAS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAH–LAS that never appear on search engines, with no booking fees.
Why are some IAH to LAS fares phone-only?
Consolidator contracts let us sell certain IAH–LAS tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.