About the Denver to Las Vegas route
Denver to Las Vegas is one of Southwest's busiest routes, with many nonstops on weekdays and fewer at weekends. Southwest lists an average flight time of about 1 hour 55 minutes for the 628-mile trip, and you gain an hour on the clock.
| From | Denver International Airport (DEN) |
|---|---|
| To | Harry Reid International Airport (LAS) |
| Nonstop airline | Southwest Airlines (other airlines may also fly this route; your search shows them all) |
| Typical nonstop time | about 1 hour 55 minutes |
| Travel documents | REAL ID-compliant ID or passport for domestic flights |
Schedule details checked October 2026 from published airline schedules. Times change by season; the live search above always shows the current schedule.
Before you book
- Southwest has changed several long-standing policies recently, including bags and seating. Check the fare details on your result rather than going by what you remember.
- Weekend demand to Vegas is high. Compare a Thursday departure or a Sunday-night return against Friday and Monday.
- Denver International is about 25 miles from downtown, so allow time to get to the airport, especially in winter weather.
Common questions
How long is the nonstop flight from Denver to Las Vegas?
Southwest Airlines flies this route nonstop in about 1 hour 55 minutes, based on published schedules checked in October 2026. Exact times for your date show when you search.
Can I book Southwest flights from Denver to Las Vegas with SlickFlight?
Yes. SlickFlight is an independent travel agency that sells tickets on Southwest and other airlines. Search above for live fares, or a SlickFlight travel planner can book the trip with you by phone. Changes to tickets bought directly from Southwest are handled by Southwest.
How long is the flight from Denver to Las Vegas on Southwest?
Southwest lists an average nonstop flight time of about 1 hour 55 minutes for the 628-mile route. Exact times for your date appear when you search.
More popular routes
Planning a bigger trip?
Families, groups, multi-city plans or a mix of cabins: a SlickFlight travel planner can put the whole itinerary together with you.