$71 Find Cheap Southwest Flights from Chicago to Las Vegas

When to Book Flights with Southwest from Chicago to Las Vegas

• How far in advance should I book tickets for a flight with Southwest from Chicago to Las Vegas?

  Generally, when trying to get a below average price for your ticket, try to book around 13 days before departure. For the cheapest possible price, our data suggests booking 55 days before departure.

• Is Southwest the cheapest airline to fly with from Chicago to Las Vegas?

  With an average price of $333 return, Southwest is not the cheapest airline to fly from Chicago to Las Vegas with. Instead, for the lowest price, our data suggests flying with Frontier, where a return flight costs $207 on average.

• What is the cheapest Southwest flight from Chicago to Las Vegas?

  In the last 3 days, the lowest price for a flight with Southwest from Chicago to Las Vegas was $121 for a return flight and $39 for a one-way flight.

• Does Southwest fly direct to Las Vegas from Chicago?

  Yes, Southwest does offer direct flights for the route, with around 68 flights per week.

• What’s the cheapest day of the week to fly from Chicago to Las Vegas with Southwest?

  On average, the cheapest day of the week to fly from Chicago to Las Vegas with Southwest is Monday, when prices are around $70. The most expensive day is generally Wednesday, where the average price is around $119.

• What’s the cheapest month to fly from Chicago to Las Vegas with Southwest?

  The cheapest month for Southwest flights to Las Vegas from Chicago is generally April, where plane tickets cost $151 on average. If possible, try to avoid the most expensive months of July and December, where tickets cost $228 and $235 respectively.