To save up to 7% on this flight, we recommend booking at least 19 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Champaign to Puerto Rico from $262 1-2 weeks out and tickets from $281 for flights departing within the next 72 hours.
The best pricing can be found in the month of August. Prices to Puerto Rico from Champaign average $313. You can even find prices in August for less than $313, as users have found deals to Puerto Rico from as low as $121. The month of December appears to be one of the more expensive times to travel to Puerto Rico from Champaign. Flying in the targeted month can save you up to 71%.