Aerial night view of the Las Vegas Strip with the Bellagio fountains and lit resorts

Cheap Flights from Chicago (ORD) to Las Vegas (LAS)

  • About 1,511 miles
  • About 3.5 hours
  • Best months: Mar, Apr, May
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Planning a trip from Chicago to Las Vegas? This 1,511-mile hop between ORD and LAS takes about 3.5 hours, and United and American are among the carriers we see on it. Fares start around $167 in recent searches.

Tips for finding a lower fare

  • Aim for Mar, Apr and May when demand to Las Vegas is softer.
  • Book carry-on only if you can. Basic fares from United often add bag fees.
  • Look at one-way fares on American and United separately; mixing airlines can beat a round trip.

Airlines on this route

United, American, Southwest

Things to see in Las Vegas

  • The Strip
  • Fremont Street

Frequently asked questions

When is the cheapest time to fly from Chicago to Las Vegas?

Fares on ORD to LAS are often lower in Mar, Apr and May. Prices move with demand, so compare a few dates on the partner site before you decide.

How long is the flight from ORD to LAS?

A nonstop flight takes about 3.5 hours. Itineraries with a connection take longer, depending on the layover.

Which airlines fly from Chicago to Las Vegas?

Carriers we commonly see on this route include United, American and Southwest. Schedules and availability change, so check current options when you search.

How far ahead should I book ORD to LAS?

For most domestic trips, booking about 1 to 3 months ahead gives a good balance of price and choice. Holiday travel is better booked earlier.

Is the price I see here the final price?

No. Fares shown on this page are indicative and change often. The final price, taxes and fees are shown on the partner site at booking.

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