How long is the flight from St. Louis to Peoria, Illinois?

A quick flight from St. Louis to Peoria, Illinois can take about 5h 08m. United Airlines provides one of the quickest options available for as low as $339. Airlines will cover a distance of 137 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Peoria, Illinois ranges from 1.8 - 4.3 inches per month. May is typically the wettest month, when rainfall can reach 4.3 in. January is typically the driest time to visit Peoria, Illinois when rainfall is around 1.8 in.

If weather is an important factor for your trip to Peoria, Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

What is the cheapest time of day to fly from STL to 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.

Most accurate provider : When it comes to deals on St. Louis-Peoria, Illinois flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Peoria, Illinois flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Peoria, Illinois flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on St. Louis-Peoria, Illinois flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Peoria, Illinois flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from St. Louis to Peoria that include hotel bookings?

Yes. In addition to deals on St. Louis to Peoria flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from St. Louis to Peoria?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Peoria.

Can I find deals for business class flights from St. Louis to Peoria?

Yes. Cheapflights offers flight deals from St. Louis to Peoria by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$339+ Cheap Flights from St. Louis to Peoria, IL

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Cheap flight deals from St. Louis to Peoria

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Cheapest flights from St. Louis to Peoria
Explore the most affordable flight options available from St. Louis to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2026.

Tue 11/175:00 am -

1 stop5h 08m

Sat 11/218:15 am -

1 stop3h 57m

Deal found 11/2

$339

Thu 11/1211:35 am -

1 stop5h 32m

Mon 11/165:37 pm -

1 stop6h 22m

Deal found 10/30

$349

Mon 11/166:00 am -

1 stop4h 08m

Fri 11/202:35 pm -

1 stop20h 02m

Deal found 10/31

$527

Find flight deals from St. Louis to Peoria

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$339 (United Airlines)

Provider with most accurate pricing for Lambert-St Louis-Greater Peoria flight deals.

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Provider most trusted by Cheapflights users for Lambert-St Louis-Greater Peoria flights.

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From Lambert-St Louis to Greater Peoria

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Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

St. LouisPeoria

STL Lambert-St Louis - PIA Greater Peoria

STLPIA

Lambert-St Louis

Tue 11/17

5:00 am-10:08 am

1 stop5h 08m

Greater Peoria

Sat 11/21

8:15 am-12:12 pm

1 stop3h 57m

$339

St. LouisPeoria

STL Lambert-St Louis - PIA Greater Peoria

STLPIA

Lambert-St Louis

Thu 11/12

11:35 am-5:07 pm

1 stop5h 32m

Greater Peoria

Mon 11/16

5:37 pm-11:59 pm

1 stop6h 22m

$349

St. LouisPeoria

STL Lambert-St Louis - PIA Greater Peoria

STLPIA

Lambert-St Louis

Mon 11/16

6:00 am-10:08 am

1 stop4h 08m

Greater Peoria

Fri 11/20

2:35 pm-10:37 am

1 stop20h 02m

$527

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Sorted by cheapest first

Compare providers for flights from St. Louis to Peoria

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Peoria in November.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on St. Louis-Peoria, Illinois flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Peoria, Illinois flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Peoria, Illinois flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on St. Louis-Peoria, Illinois flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Peoria, Illinois flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Peoria

Have a flexible travel schedule? Discover the best time to fly to Peoria from St. Louis with our price prediction graph.

STL-PIA

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

How long is the flight from St. Louis to Peoria, Illinois?
A quick flight from St. Louis to Peoria, Illinois can take about 5h 08m. United Airlines provides one of the quickest options available for as low as $339. Airlines will cover a distance of 137 mi. This flight may include one or multiple stops.
Can I find deals for flights from St. Louis to Peoria that include hotel bookings?
Yes. In addition to deals on St. Louis to Peoria flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Peoria?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Peoria.
Can I find deals for business class flights from St. Louis to Peoria?
Yes. Cheapflights offers flight deals from St. Louis to Peoria by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$339+ Cheap flights from St. Louis to Peoria, IL (STL - PIA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Peoria with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

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Cheap flight deals from St. Louis to Peoria

Cheapest flights from St. Louis to PeoriaExplore the most affordable flight options available from St. Louis to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2026.

Explore the most affordable flight options available from St. Louis to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2026.

Best flights from St. Louis to PeoriaDiscover carefully curated flight deals from St. Louis to Peoria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.

Discover carefully curated flight deals from St. Louis to Peoria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.

Last-minute flights from St. Louis to PeoriaDiscover last-minute flight deals from St. Louis to Peoria. Data last updated November 4, 2026 and is based on user searches.

Discover last-minute flight deals from St. Louis to Peoria. Data last updated November 4, 2026 and is based on user searches.

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Compare providers for flights from St. Louis to Peoria

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Peoria in November.

Best time to book a flight from St. Louis to Peoria

Have a flexible travel schedule? Discover the best time to fly to Peoria from St. Louis with our price prediction graph.

Related info for your journey

How long is the flight from St. Louis to Peoria, Illinois?

Can I find deals for flights from St. Louis to Peoria that include hotel bookings?

How can I find direct flights from St. Louis to Peoria?

Can I find deals for business class flights from St. Louis to Peoria?

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Alternative routes for St. Louis to Peoria

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Complete your trip

Complete your trip to Peoria by adding a car rental and/or hotel reservation to your travel itinerary.

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St. Louis and Peoria flights

Browse other St. Louis and Peoria flight options. Last updated on November 4, 2026.

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Explore flights to Peoria departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 4, 2026.

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Cheapest flights from St. Louis to Peoria
Explore the most affordable flight options available from St. Louis to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2026.

Best flights from St. Louis to Peoria
Discover carefully curated flight deals from St. Louis to Peoria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.

Last-minute flights from St. Louis to Peoria
Discover last-minute flight deals from St. Louis to Peoria. Data last updated November 4, 2026 and is based on user searches.