Chicago, IL CHI to St. Louis, MO STL flight with United

The best way to find a cheap flight ticket from Chicago, IL to St. Louis, MO is to book your journey as far in advance as possible and to avoid traveling at rush hour.

The average ticket from Chicago, IL to St. Louis, MO will cost around $614 if you buy it on the day, but the cheapest tickets can be found for only $300.

Of the 58 flights that leave Chicago, IL for St. Louis, MO onFri, Jul 31, 14 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.

On Fri, Jul 31 the direct flights cover the 419 km distance in an average of 1 h 24 m but if you time it right, some flights will get you there in just 1 h 16 m .

On Fri, Jul 31 the longest flights will take 1 h 27 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.