United has “basic economy” round-trip flights from Houston (IAH) to Las Vegas (LAS) for $89-$113, NONSTOP. $57 each-way. Flights mid-August through October mostly on Mondays, Tuesdays, Wednesdays, and Saturdays. Origin/Destination reversible. These are Red-Eye flights, either late at night or early in the morning.
Note: “Regular Economy” is available for +$25 each-way.
Note: “Basic Economy” fares do not include a free carry-on bag. Only a personal item (like a small-backpack) is free. Checked bags cost +$25. Seats are randomly assigned prior to boarding. If you have the United MileagePlus credit-card, use the “free checked bag” perk.
Note: Orbitz and CheapTickets currently offer a coupon code for 15% off hotels.
Read More Nonstop Flights: Houston to/from Las Vegas $89-$113 r/t – United Basic Economy