When booking remember that flights Gillette to Chicago are typically delayed by 31min. so prepare as needed.
On average, there are a total of 38,007,918 seats offered from Gillette Campbell County to Chicago per day.
SkyWest Airlines offers the cheapest flights from Gillette to Chicago. Per day you can find on average 75 flights for this route and airline.
Temperatures around the 88 °F's can be experienced in July. The weather in Chicago is colder than in Gillette. Plan for potential changes in flight availability as peak weather approaches in this location.