How to find the cheapest flight from
Chicago (CHI) to Rosario (ROS)
What is the cheapest day to fly round-trip from Chicago to Rosario?
Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 101% on your flight compared to booking on days when demand is much higher.
When is the cheapest time to fly from Chicago to Rosario (CHI - ROS)?
When flying from Chicago to Rosario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 23% versus a flight in the morning.
Related info for your journey
Useful info, stats and facts about Chicago to Rosario flights.
Destination information for Rosario
Things to know before you go. Useful info for your trip from Chicago to Rosario
Chicago Midway (MDW)