Title: Cheap Flights from Peoria to St. Louis (PIA to STL) - Expedia.co.uk ![](https://images.trvl-media.com/place/178309/1d118261-eb93-42dd-aeef-5f82e1f037e8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178309/1d118261-eb93-42dd-aeef-5f82e1f037e8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Peoria (PIA) to St. Louis (STL) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Peoria, IL (PIA-Greater Peoria Regional) to Lambert-St. Louis International Airport (STL) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:pia,to:stl,departure:06/11/2025TANYT&leg2=from:stl,to:pia,departure:13/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:pia,to:stl,departure:06/11/2025TANYT&leg2=from:stl,to:pia,departure:13/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) Flight from Peoria to St. Louis route information | Origin airport | Greater Peoria Regional | | --- | --- | | Destination airport | Lambert-St. Louis Intl. | | Distance | 220 km | ## Compare flights from Peoria to St. Louis easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Peoria to St. Louis. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Lambert-St. Louis Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Greater Peoria Regional to Lambert-St. Louis Intl..   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Greater Peoria Regional (PIA) to Lambert-St. Louis Intl. (STL) The easiest way to view the best deals on flights from Peoria to St. Louis today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Greater Peoria Regional to Lambert-St. Louis Intl. start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Peoria and St. Louis - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Peoria to St. Louis flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Greater Peoria Regional to Lambert-St. Louis Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Frequently asked questions ### How much is a flight from Peoria Intl. Airport to STL? > Based on fares advertised within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from PIA to Lambert-St. Louis Intl. Airport (STL) start from . Book today to score the best price for your journey. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Greater Peoria Regional Airport (PIA) to Lambert-St. Louis Intl. Airport (STL)? > Most flights can be cancelled online, but whether or not you are charged a fee all comes down to your airline. If you do have to cancel your trip, follow the instructions in the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ### How do I find cheap flights from Greater Peoria Regional Airport (PIA) to Lambert Field that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Greater Peoria Regional Airport (PIA) to Lambert-St. Louis Intl. Airport (STL) flights, you'll see a "no change fees" filter for you to select. ### How many hours is the flight from Greater Peoria Regional Airport (PIA) to Lambert Field? > You may like to bring your own on-board entertainment (like some downloaded podcasts), as it takes around 3 hours and 15 minutes to reach STL from Peoria Intl. Airport. A good set of noise-cancelling headphones will be useful too. ### How far is the flight from Greater Peoria Regional Airport (PIA) to St. Louis Lambert International Airport? > With a flight distance of 220 kilometres, it's just a hop from Peoria Intl. Airport to Lambert-St. Louis Intl. Airport (STL). It might be a quick journey, but it's still worth bringing a book to read. ### Which airlines fly direct from Peoria Intl. Airport to STL? > You won't find any airlines operating directly between PIA and STL, so be ready to make at least one stop on your journey. A layover can be a good way to break up a trip! ### Are Greater Peoria Regional Airport (PIA) to Lambert-St. Louis Intl. Airport (STL) flight tickets cheaper when they're purchased at the last minute? > Flight prices change all the time, so there are no guarantees. While last-minute flight deals between PIA and Lambert-St. Louis Intl. Airport (STL) are of course possible, it also makes sense to keep an eye on prices well before you fly. In fact, some airlines publicize their prices up to a year ahead of the departure date. Expedia is continuously updating the biggest bargains around, so keep checking back and be ready to pounce when the price is low. ## Explore a world of travel with Expedia - Accommodation - Flights - Packages - Cars - Other ### Accommodation - [Berkeley Hotels](https://www.expedia.co.uk/Berkeley-St-Louis-Hotels.0-n6272-0.Travel-Guide-Filter-Hotels) - [Bridgeton Hotels](https://www.expedia.co.uk/Bridgeton-Hotels.d7043.Travel-Guide-Hotels) - [Castle Point Hotels](https://www.expedia.co.uk/Castle-Point-Hotels.d6351830.Travel-Guide-Hotels) - [Gay-Friendly Hotels in Creve Coeur](https://www.expedia.co.uk/Creve-Coeur-St-Louis-Hotels-Gay-Friendly-Hotel.0-n7717-0-tGayFriendlyHotel.Travel-Guide-Filter-Hotels) - [Creve Coeur Hotels](https://www.expedia.co.uk/Creve-Coeur-St-Louis-Hotels.0-n7717-0.Travel-Guide-Filter-Hotels) - [Earth City Hotels](https://www.expedia.co.uk/Earth-City-Hotels.d181528.Travel-Guide-Hotels) - [Edmundson Hotels](https://www.expedia.co.uk/Edmundson-St-Louis-Hotels.0-n8173-0.Travel-Guide-Filter-Hotels) - 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