Las Vegas (LAS) to Houston (HOU): 1,233 miles (1,985 km) great-circle, about 3h 00m nonstop by our estimate. Cheapest fare observed: $137 round-trip on Frontier, nonstop, departing May 1, 2026.
$137 round-trip, Frontier F91966, departing 2026-05-01 at 14:28, returning 2026-05-03. The recorded itinerary left on a Friday, returning on a Sunday 2 nights later; the fare was observed 6 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $137, it ranked 4th of the 30 round-trip fares we recorded from LAS (median $271). That is 11.1 cents per great-circle mile (round-trip price over one-way distance), below the LAS median of 20.1 cents across 30 round-trip routes.
Routes from LAS of similar length: Guadalajara (1,292 mi) at $292 and Kansas City (1,142 mi) at $229.
Frontier had the cheapest fare on 11 of 30 LAS routes. It is the 18th longest of the 30 routes we track from LAS.
Of 25 departure airports with a fare to Houston, Las Vegas (LAS) ranked 5th at $137. Lowest: $102 from Denver (DEN); highest: $535 from Santo Domingo (SDQ); 13 nonstop. Cheapest-fare airlines (routes): Frontier (15), Spirit (4), Arajet (1), JetBlue (1), Southwest (1) and United Airlines (1), plus 2 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Los_Angeles, America/Chicago; flight time is our estimate.