Chicago (ORD) to Las Vegas (LAS) is about 1,511 miles (2,432 km), roughly 3 h 30 min of flying time. Las Vegas is 2 hours behind Chicago all year.
When is the cheapest time to fly from Chicago to Las Vegas?
Lowest round-trip fares found in recent searches for each month (7 to 14 day trips). Pick a cheap month, then confirm the live price.
Are there nearby airports that could be cheaper?
Fares at a neighboring airport are sometimes lower. Worth comparing on this route:
- MDWChicago Midway International Airport closer to downtown and the South Side.
What ID do I need for this flight?
For domestic US flights, adults need a REAL ID-compliant license or another TSA-accepted ID, such as a passport. Read our REAL ID guide.
Need a car in Las Vegas?
Compare rental cars for your travel dates, with the total price including fees.
Partner tool. We may earn a commission if you book, at no extra cost to you. Disclosure.
Things to do in Las Vegas
Popular attractions and tickets, most with free cancellation.
Partner tool. We may earn a commission if you book, at no extra cost to you. Disclosure.
Frequently asked questions
How far is Chicago from Las Vegas by plane?
The great-circle distance between ORD and LAS is about 1,511 miles (2,432 km).
How long does it take to fly from Chicago to Las Vegas?
About 3 h 30 min of flying time based on distance, if a nonstop flight operates. Actual schedules vary by airline and wind, and itineraries with connections take longer.
What is the time difference between Chicago and Las Vegas?
Las Vegas is 2 hours behind Chicago all year.
Distance and flying time are calculated from airport coordinates (OurAirports data) and a typical cruise speed; they are planning estimates, not schedules. Updated 2026-10-28.
