Cheap flights from St. Louis to Peoria (STL - PIA)

Oct 1 — Oct 81

When is the cheapest time to fly from St. Louis to Peoria, Illinois (STL - PIA)?

When flying from St. Louis to Peoria, Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Alternative routes for St. Louis to Peoria

See prices for flight routes from nearby airports that may be better suited for you.