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$174+ Cheap flights from Peoria, IL (PIA) to Chicago (CHI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — CHI
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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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 July 30, 2025.

Round-trip from

$179
(American Airlines)

One-way from

$174
(American Airlines)

Popular in

March

Cheapest in

June

Good round-trip deal

$312 or less

Good one-way deal

$298 or less
From Greater Peoria to Chicago (CHI)
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One-way flight from Greater Peoria to Chicago (CHI)
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Highest demand for flights based on searches. 21% potential increase in price ($61 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($10 potential savings vs. average RT price).
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Price to beat on a round-trip flight from Greater Peoria to Chicago (CHI).
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Price to beat on a one-way flight from Greater Peoria to Chicago (CHI).
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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 July 30, 2025.

This American Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 8/2710:07 amPIA - ORD
Nonstop1h 11mAmerican Airlines
Tue 9/98:58 amORD - PIA
Nonstop1h 10mAmerican Airlines
Deal found 7/30$179
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Tue 8/2610:49 amPIA - ORD
Nonstop1h 10mUnited Airlines
Tue 9/29:05 pmORD - PIA
Nonstop1h 10mUnited Airlines
Deal found 7/29$239
This Mytrip deal was found by Cheapflights users on 7/27. 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.
Thu 8/75:33 pmPIA - ORD
3 stops39h 22mMultiple Airlines
Sun 8/1010:00 amORD - PIA
3 stops28h 13mMultiple Airlines
Deal found 7/27$554

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 July 30, 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

Wed 8/27

10:07 am-11:18 am

Nonstop1h 11m

Chicago O'Hare Intl

Tue 9/9

8:58 am-10:08 am

Nonstop1h 10m

$179

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Tue 8/26

10:49 am-11:59 am

Nonstop1h 10m

Chicago O'Hare Intl

Tue 9/2

9:05 pm-10:15 pm

Nonstop1h 10m

$239

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Thu 8/7

5:33 pm-8:55 am

3 stops39h 22m

Chicago O'Hare Intl

Sun 8/10

10:00 am-2:13 pm

3 stops28h 13m

$554

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Tue 9/2

10:07 am-11:18 am

Nonstop1h 11m

$174

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Wed 8/6

3:40 pm-6:03 am

1 stop14h 23m

$207

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Tue 8/26

3:55 pm-5:09 pm

Nonstop1h 14m

$219

PeoriaChicago

PIA - MDW

PIAMDW

Greater Peoria

Sat 8/2

6:22 pm-10:47 am

1 stop16h 25m

$505

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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 July 30, 2025.

It’s optimal to fly from Peoria, Illinois to Chicago in the afternoon. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight in the evening.

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 July 30, 2025.

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

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 July 30, 2025.
Get a feel of what it's like to fly with United Airlines, American Airlines, and Allegiant Air from Peoria to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,896 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

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
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

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
8,896 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

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
7.2
Good
703 reviews
United Airlines
7.4
Good
8,896 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

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. Another airline that can offer you cheap pricing is United Airlines. American Airlines is 20% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Peoria, Illinois to Chicago one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $174. Users have also found prices from $219 and $505 on United Airlines and Allegiant Air, respectively.

  • 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: Copa Airlines (92%), Republic Airways (88%), Japan Airlines (82%).

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

    The cheapest flight price from Peoria, Illinois to Chicago is $170. On average you can expect to pay $1,391. 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 Chicago?

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

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Alternative routes for Peoria to Chicago

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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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$179Average$242FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$217Average$269FlexibilityNo cancel feeOn-time69%

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