Travelers have found that booking a Monday departure is the best way to save up to 75% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.
To save up to 27% on this flight, we recommend booking at least 17 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from University of Illinois-Willard to San Diego from $73 1-2 weeks out and tickets from $98 for flights departing within the next 72 hours.
July is one of the best times of the year to fly to San Diego from University of Illinois-Willard. Prices for July average $80 per person but you can even find prices for as low as $44. The most expensive prices can be found in the month of December. Opting for a July flight can save you 33% on your journey compared to booking in July
When flying from University of Illinois-Willard to San Diego, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 8% versus a flight in the morning.