Cheap flights from Chicago Midway Airport to Las Vegas from $111

The month of January is, on average, the cheapest month to fly to Las Vegas from Chicago Midway Airport, with most prices found around $270. The month of August is another great option to travel to Las Vegas, with average flight prices from Chicago Midway Airport averaging around $287.

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 $257. Flights from Chicago Midway Airport to Las Vegas on a Friday will generally be more expensive and average around $343. 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 $249. Flights to Las Vegas are more costly in the morning, with an average ticket price of $326. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Las Vegas from Chicago Midway Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $335 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 Midway Airport for as low as $278 on momondo.

Southwest and Delta are the most popular carriers operating from Chicago Midway to Las Vegas Harry Reid Intl

Southwest, Frontier and Allegiant Air are the top three most popular airlines that fly to Las Vegas from Chicago Midway Airport according to our data. Southwest is the first choice among our users, with 78% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 5 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 18% 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 130 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.

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

According to our data, Southwest have had the least number of delays on this route over the last 12 months; with about 18% of their flights experiencing any sort of delay.

The number of flights available between Chicago Midway Airport and Las Vegas is 8 per day as of May 2026. The most frequent departure time is 10:00AM, with 52% of daily flights leaving at noon.

As of May 2026, there are 59 flights per week flying from Chicago Midway Airport to Las Vegas. The most common day of the week flights depart is Thu, with 22% of flights taking off on this day.