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

Oct 3 — Oct 101

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.

Related info for your journey

Useful info, stats and facts about St. Louis to Peoria flights.

What does STL to PIA mean?

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Lambert-St Louis Airport to Greater Peoria Airport flight would often be abbreviated as a STL to PIA flight.

Alternative routes for St. Louis to Peoria

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

Fly with Cheapflights

What makes Cheapflights the go-to destination for all your flight needs

How does Cheapflights help users find flights from St. Louis to Peoria?

Cheapflights makes it easy to find St. Louis to Peoria flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Peoria?

Cheapflights helps you find that perfect flight to Peoria from St. Louis by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from St. Louis to Peoria with no change fees?

Need flexible booking options for your flight to Peoria from St. Louis? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from St. Louis to Peoria become cheaper?

Yes, Cheapflights does offer price alerts on St. Louis to Peoria flights so you can book your travels when it’s right. The Price Alert feature is available after a flight search is performed above.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.