Travelers have found it’s best to book a flight 55 days in advance to save up to 43% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 55 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Illinois to Austin 1-2 weeks in advance for as low as $99, or $141 for flights within the next 24 hours.
The best pricing can be found in the month of August. Prices to Austin from Illinois average $106. You can even find prices in August for less than $106, as users have found deals to Austin from as low as $36. The month of December appears to be one of the more expensive times to travel to Austin from Illinois. Flying in the targeted month can save you up to 42%.