Cheap flights from Chicago Greater Rockford Airport to Las Vegas from $117

The month of November is, on average, the cheapest month to fly to Las Vegas from Chicago Greater Rockford Airport, with most prices found around $219. The month of January is another great option to travel to Las Vegas, with average flight prices from Chicago Greater Rockford Airport averaging around $229.

Our data shows that Sunday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $260. Flights from Chicago Greater Rockford Airport to Las Vegas on a Friday will generally be more expensive and average around $349. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

The cheapest time of day to fly to Las Vegas is in the evening when flights can be purchased for as low as $252. Flights to Las Vegas are more costly in the morning, with an average ticket price of $328. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Chicago Greater Rockford to Las Vegas Harry Reid Intl for the best Chicago Greater Rockford - Las Vegas Harry Reid Intl flight prices

You are more likely to see cheaper flights to Las Vegas from Chicago Greater Rockford Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $272 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Chicago Greater Rockford Airport for as low as $250 on momondo.

There is only 1 cabin class available to choose from on Chicago Greater Rockford Airport to Las Vegas flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Chicago Greater Rockford Airport to Las Vegas.

As of May 2026, prices for Chicago Greater Rockford Airport to Las Vegas flights are approximately 17% more expensive when compared to flights at the same time last year.

Allegiant Air is the most popular carrier operating from Chicago Greater Rockford to Las Vegas Harry Reid Intl

Allegiant Air, American Airlines and Frontier are the top three most popular airlines that fly to Las Vegas from Chicago Greater Rockford Airport according to our data. Allegiant Air is the first choice among our users, with 91% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 3 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.

Historically, on average around 13% of flights between Chicago and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 135 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Sunday is statistically the day of the week which experiences the fewest number of delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Allegiant Air have had the least number of delays on this route over the last 12 months; with about 13% of their flights experiencing any sort of delay.