Find a great deal and save up to 48% by booking at least 20 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Baton Rouge to Illinois within the next two weeks, with the cheapest ticket starting at $213.
Our data shows that August tends to be the cheapest month to fly to Illinois from Baton Rouge. Users have commonly found prices around $182 for the month, but tickets can be as low as $64. Due to multiple factors, prepare for potentially higher prices in December.
The chart below displays the airlines Cheapflights users traveling from Baton Rouge to Illinois choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
||$209||$407||No cancel fee||N/A|
||$163||$424||No cancel fee||69%|
||$198||$443||No cancel fee||71%|