The cheapest times to fly from LAS to ORD are

  • August 6th to February 18th (except the weeks of November 19th and December 17th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from LAS to ORD is early December. Prices can be as high as $779 for Sunday flights during mid May, or as low as $124 for Tuesday flights around early December.


When to Fly to Chicago

Flying from Las Vegas, NV (LAS) to Chicago, IL (ORD) will usually cost between $170 to $447 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early December with an average ticket price of $201. Due to high demand the most expensive time to fly is mid May, with an average price of $439. Planning your trip to low-cost times can easily save you $238 on economy flights and even more on first-class flights. Generally, any price below $282 can be considered a good price for a round-trip LAS to ORD flight.

See below for a graph of average weekly prices for the LAS to ORD route. All prices are for round-trip tickets in USD.

LAS to ORD Flight Prices

Compared to other flights, the LAS to ORD flight is much cheaper than the average and costs much less than the average flight leaving from Las Vegas. The average price per mile (for a direct flight) is $0.12, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $113 (31%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $248. Return trip prices are from the ORD to LAS flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from LAS to ORD can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 3 hour 42 minutes may be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from LAS to ORD while comparing.

Destination alternative #1: Chicago/Rockford International Airport (RFD) in Rockford, IL

  • 63 miles (101 km) away from ORD
  • Usually 3.55% less expensive than ORD
  • Nonstop flights available

See LAS to RFD flights


Flight Questions Answered

Still have questions about flying from LAS to ORD? We’ve got answers.

Which airlines fly this route?

You can find 15 major airlines flying this route most often: Air Europa, Alaska, American, China Eastern, Delta, Emirates, Frontier, Hawaiian, JetBlue, Qantas, Qatar Airways, Singapore Airlines, Spirit, Sun Country Airlines, United, and potentially more during busy seasons.

How far away is it from Chicago O’Hare International Airport to McCarran International Airport?

The distance between the two airports is roughly 1511 miles or 2432 kilometers.

How long does it take to fly from LAS to ORD?

The real-world flight time for a nonstop LAS to ORD flight is about 3 hour 42 minutes.

How many flights go between Las Vegas, NV and Chicago, IL?

It depends on the day of the week and the date, but a typical day might have around 82 available flights from LAS to ORD.


Airport Location Info


Departing Airport

Origination code LAS
Origination airport name McCarran International Airport
City Las Vegas, NV
Country the United States
Latitude 36.1
Longitude -115.2

Return Airport

Destination code ORD
Destination airport name Chicago O’Hare International Airport
City Chicago, IL
Country the United States
Latitude 42
Longitude -87.9


Late and Early Flight Data

Flights from LAS to ORD tend to depart as late as the average flight. According to our recently updated data, 30% of flights departed 5 or more minutes late, and 28% of flights left 5 or more minutes early. On average you can expect to leave ORD heading for LAS about 13 minutes late. This does significantly impact arrival time, as the average landing time in Chicago, IL is about 6 minutes late. The numbers below show a recent average of take-off times versus the scheduled departure flight:

  • American: 13 minutes late
  • United: 16 minutes late
  • Spirit: 7 minutes late
  • Frontier: 22 minutes late
  • Some airlines not reporting


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.