HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Chicago

$179+ Cheap flights from Peoria, IL (PIA) to Chicago (CHI)

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — CHI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Peoria to Chicago with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Peoria to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Peoria (PIA) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$179
(American Airlines)

Popular in

June

Cheapest in

August

Average price

$384

Good round-trip deal

$321 or less

Good one-way deal

$223 or less
From Greater Peoria to Chicago (CHI)
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($69 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals
Price to beat on a round-trip flight from Greater Peoria to Chicago (CHI).
Search Deals
Price to beat on a one-way flight from Greater Peoria to Chicago (CHI).
Search Deals

Find flight deals from Peoria to Chicago

Cheapest flights from Peoria to Chicago
Explore the most affordable flight options available from Peoria to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/56:00 amPIA - ORD
Nonstop1h 06mAmerican Airlines
Thu 8/148:34 amORD - PIA
Nonstop1h 03mAmerican Airlines
Deal found 6/11$179
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/123:39 pmPIA - ORD
Nonstop1h 11mUnited Airlines
Tue 7/159:05 amORD - PIA
Nonstop1h 14mUnited Airlines
Deal found 6/11$239
This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/279:50 pmPIA - ORD
2 stops19h 54mMultiple Airlines
Tue 7/110:15 pmORD - PIA
1 stop23h 04mMultiple Airlines
Deal found 6/11$309
This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/227:11 pmPIA - MDW
1 stop20h 26mAllegiant Air
Fri 7/252:54 pmMDW - PIA
2 stops28h 18mAllegiant Air
Deal found 6/11$324

Cheapflights Fare Finder

Customize your flight search to find flights from Peoria to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Peoria to Chicago that are best for you.

Fly from

Peoria

Fly to

Chicago

Route

Depart

Return

Price

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Tue 8/5

6:00 am-7:06 am

Nonstop1h 06m

Chicago O'Hare Intl

Thu 8/14

8:34 am-9:37 am

Nonstop1h 03m

$179

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Sat 7/12

3:39 pm-4:50 pm

Nonstop1h 11m

Chicago O'Hare Intl

Tue 7/15

9:05 am-10:19 am

Nonstop1h 14m

$239

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Fri 6/27

9:50 pm-5:44 pm

2 stops19h 54m

Chicago O'Hare Intl

Tue 7/1

10:15 pm-9:19 pm

1 stop23h 04m

$309

PeoriaChicago

PIA - MDW

PIAMDW

Greater Peoria

Tue 7/22

7:11 pm-3:37 pm

1 stop20h 26m

Chicago Midway

Fri 7/25

2:54 pm-7:12 pm

2 stops28h 18m

$324

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Sat 7/12

11:00 am-12:05 pm

Nonstop1h 05m

$219

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Thu 6/19

5:40 pm-8:50 am

3 stops39h 10m

$298

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Thu 6/19

6:00 am-7:07 am

Nonstop1h 07m

$310

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Peoria to Chicago

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

Cheapflights Insights

Everything you need to know about your flight from Peoria to Chicago

What is the cheapest month to book a flight from Peoria, Illinois to Chicago?

Currently, August is the cheapest month in which you can book a flight from Peoria, Illinois to Chicago (average of $245). Flying from Peoria, Illinois to Chicago in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PIA to CHI?

Find hourly flight availability from Peoria to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s optimal to fly from Peoria, Illinois to Chicago in the evening. By choosing this option you can save up to 43% on the cost of your flight, compared to a flight in the morning.

Weekly flight availability from Peoria, Illinois to Chicago

Explore weekly flight availability from Peoria to Chicago. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from PIA to CHI are scheduled on a Monday (17 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (14 on average).

Rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

Plan your trip to Chicago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with United Airlines, Allegiant Air and American Airlines from Peoria to Chicago by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,790 reviews

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Overall

7.4

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,790 reviews
United Airlines
7.4
Good
8,790 reviews

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Overall

7.4

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
Allegiant Air
7.3
Good
725 reviews
United Airlines
7.4
Good
8,790 reviews

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Overall

7.4

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,790 reviews

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Overall

7.4

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Peoria to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Peoria to Chicago?

    For a flight from Peoria to Chicago, you will be flying from Greater Peoria. Greater Peoria (PIA) is just 6.0 mi from the center of the city. Greater Peoria is the only Peoria airport and it handles 15 outbound flights to Chicago per day. 2 airlines have flights to Chicago from Greater Peoria on a regular basis.

  • What are the cheapest airlines flying from Peoria, Illinois to Chicago round-trip?

    Cheapflights users have booked flights from Peoria, Illinois to Chicago round-trip from $179. Other airlines that can offer you cheap pricing are United Airlines, from $239, and Allegiant Air, from $324. American Airlines is 26% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Peoria, Illinois to Chicago?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Peoria, Illinois to Chicago on time: Republic Airways (95%), Copa Airlines (90%), Air New Zealand (88%).

  • What are the cheapest flights from Peoria, Illinois to Chicago?

    The cheapest flight price from Peoria, Illinois to Chicago is $163. On average you can expect to pay $1,074. The most popular route, (Greater Peoria - Chicago O'Hare Intl), can usually be booked for $179.

  • Can I find deals for flights from Peoria to Chicago that include hotel bookings?

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

  • How can I find direct flights from Peoria to Chicago?

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

  • Can I find deals for business class flights from Peoria to Chicago?

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

  • What is the cheapest month to book a flight from Peoria, Illinois to Chicago?

    Currently, August is the cheapest month in which you can book a flight from Peoria, Illinois to Chicago (average of $245). Flying from Peoria, Illinois to Chicago in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Peoria?

Book flights to Peoria if you plan to visit one of these locations
Merrillville
Lansing
Benton Harbor
Porter
Hammond
Valparaiso
Chesterton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Peoria to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to St. Louis flights
St. Louis to O'Hare Intl flights
St. Louis to Midway flights
Midway to St. Louis flights
O'Hare Intl to Moline flights
Peoria to O'Hare Intl flights
O'Hare Intl to Peoria flights
Evansville to O'Hare Intl flights
Dubuque to O'Hare Intl flights
Decatur to O'Hare Intl flights
O'Hare Intl to Evansville flights
Moline to O'Hare Intl flights
O'Hare Intl to Paducah flights
O'Hare Intl to Burlington flights
Evansville to Midway flights
Paducah to O'Hare Intl flights
O'Hare Intl to Decatur flights
Springfield to O'Hare Intl flights
St. Louis to Quincy flights
Burlington to O'Hare Intl flights
O'Hare Intl to Springfield flights
Midway to Peoria flights
Champaign to O'Hare Intl flights
Bloomington to O'Hare Intl flights
Peoria to Midway flights
O'Hare Intl to Champaign flights
O'Hare Intl to Bloomington flights
Moline to Midway flights
Springfield to St. Louis flights
Quincy to O'Hare Intl flights
St. Louis to Decatur flights
Midway to Bloomington flights
Moline to Peoria flights

Top 2 airlines flying from Peoria to Chicago

Discover the top 2 airlines that operate flights from Peoria to Chicago. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$179Average$249FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$217Average$279FlexibilityNo cancel feeOn-time69%

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.