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$144+ Cheap flights from Peoria, IL (PIA) to Illinois

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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — ORD
Sep 1 — Sep 81
Tue 9/1
Tue 9/8
1 adult, Economy
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Cheap flight deals from Peoria to Illinois

Cheapest flights from Peoria to Illinois
Explore the most affordable flight options available from Peoria to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2026.

This United Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 10/96:15 am
PIA
-
ORD
Nonstop1h 14m
United Airlines
Sun 10/189:45 pm
ORD
-
PIA
Nonstop1h 13m
United Airlines
Deal found 7/31$249
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.
Mon 9/145:28 pm
PIA
-
ORD
Nonstop1h 24m
American Airlines
Mon 9/213:45 pm
ORD
-
PIA
Nonstop1h 13m
American Airlines
Deal found 7/30$251
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:00 am
PIA
-
ORD
Nonstop1h 16m
American Airlines
Mon 8/175:06 pm
ORD
-
PIA
Nonstop1h 09m
American Airlines
Deal found 7/29$279
This deal was found by Cheapflights users on 7/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:29 am
PIA
-
ORD
Nonstop1h 16m
United Airlines
Mon 8/248:45 am
ORD
-
PIA
Nonstop1h 21m
United Airlines
Deal found 7/28$319
This United Airlines deal was found by Cheapflights users on 8/1. 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 8/11:13 pm
PIA
-
ORD
Nonstop1h 15m
United Airlines
Tue 8/411:30 am
ORD
-
PIA
Nonstop1h 08m
United Airlines
Deal found 8/1$335
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:28 pm
PIA
-
ORD
Nonstop1h 25m
United Airlines
Tue 11/173:35 pm
ORD
-
PIA
Nonstop1h 12m
United Airlines
Deal found 7/29$339
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.
Wed 8/123:35 pm
PIA
-
ORD
Nonstop1h 26m
United Airlines
Sat 8/159:30 pm
ORD
-
PIA
Nonstop1h 13m
United Airlines
Deal found 7/29$369
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 7/3110:44 am
PIA
-
ORD
Nonstop1h 15m
United Airlines
Sat 8/111:30 am
ORD
-
PIA
Nonstop1h 08m
United Airlines
Deal found 7/31$372
This United Airlines deal was found by Cheapflights users on 7/31. 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 8/255:45 am
PIA
-
ORD
Nonstop1h 13m
United Airlines
Tue 8/255:45 pm
ORD
-
PIA
Nonstop1h 18m
United Airlines
Deal found 7/31$407
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:35 pm
PIA
-
ORD
Nonstop1h 26m
United Airlines
Mon 9/2810:00 pm
ORD
-
PIA
1 stop22h 51m
United Airlines
Deal found 7/30$480
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:07 am
PIA
-
ORD
1 stop27h 29m
Multiple Airlines
Thu 9/37:32 pm
ORD
-
PIA
1 stop24h 07m
Multiple Airlines
Deal found 7/28$491
This United Airlines deal was found by Cheapflights users on 8/1. 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 8/298:29 am
PIA
-
ORD
Nonstop1h 16m
United Airlines
Tue 9/17:00 am
ORD
-
PIA
1 stop13h 50m
United Airlines
Deal found 8/1$492

Find flight deals from Peoria to Illinois

Keep the following information in mind while searching for Peoria to Illinois flight deals. Data was last updated August 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(United Airlines)

One-way from

$144
(Kiwi.com)

Good round-trip deal

$346 or less

Good one-way deal

$325 or less
Provider with most accurate pricing for Greater Peoria-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greater Peoria-Chicago (CHI) flights.
Search Deals
From Greater Peoria to Illinois
Search Deals
One-way flight from Greater Peoria to Illinois
Search Deals
Price to beat on a round-trip flight from Greater Peoria to Illinois.
Search Deals
Price to beat on a one-way flight from Greater Peoria to Illinois.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Peoria to Illinois 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 August 2, 2026.
Use the filters below to find and compare flights from Peoria to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Mon 9/21

6:00 am-7:19 am

Nonstop1h 19m

Chicago O'Hare Intl

Mon 9/28

11:00 pm-12:08 am

Nonstop1h 08m

$249
Quickest round-trip

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Fri 12/11

3:30 pm-4:33 pm

Nonstop1h 03m

Chicago O'Hare Intl

Mon 12/14

7:45 pm-9:00 pm

Nonstop1h 15m

$249

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Thu 9/17

6:00 am-7:19 am

Nonstop1h 19m

Chicago O'Hare Intl

Thu 9/24

3:45 pm-4:58 pm

Nonstop1h 13m

$249

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Sat 8/29

3:35 pm-5:05 pm

Nonstop1h 30m

Chicago O'Hare Intl

Tue 9/1

1:47 pm-3:00 pm

Nonstop1h 13m

$319

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Thu 11/12

5:22 pm-6:53 pm

Nonstop1h 31m

Chicago O'Hare Intl

Wed 11/18

5:30 pm-6:40 pm

Nonstop1h 10m

$319

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Tue 8/25

5:45 am-6:58 am

Nonstop1h 13m

Chicago O'Hare Intl

Tue 8/25

5:45 pm-7:03 pm

Nonstop1h 18m

$407

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Mon 9/21

3:35 pm-5:01 pm

Nonstop1h 26m

Chicago O'Hare Intl

Mon 9/28

10:00 pm-8:51 pm

1 stop22h 51m

$480

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Tue 8/25

8:45 am-10:46 pm

1 stop14h 01m

Chicago O'Hare Intl

Tue 9/15

7:45 pm-8:59 pm

Nonstop1h 14m

$480

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Sat 8/22

3:35 pm-5:05 pm

Nonstop1h 30m

Chicago O'Hare Intl

Mon 8/24

5:51 pm-8:50 pm

1 stop26h 59m

$480
Cheapest one-way

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Thu 10/29

5:24 pm-10:01 am

1 stop16h 37m

$168

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Peoria to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois 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 Illinois

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

Find hourly flight availability from Peoria to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 2, 2026.

It’s optimal to fly from Peoria, Illinois to Illinois in the afternoon. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight at noon.

Weekly flight availability from Peoria, Illinois to Illinois

Explore weekly flight availability from Peoria to Illinois. 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 August 2, 2026.

The most flights from PIA to USIL are scheduled on a Friday (20 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (12 on average).

What is the cheapest day to fly from Peoria, Illinois to Illinois?

Use this chart to determine the cheapest time to fly round-trip from Peoria to Illinois. Price data was last updated on August 1, 2026.

Travelers seeking maximum savings on their Peoria, Illinois to Illinois flight should consider departing on Tuesday evenings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated August 2, 2026.
Read through reviews of airlines operating flights from Peoria to Illinois, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,061 reviews

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

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
10,061 reviews
United Airlines
7.4
Good
10,061 reviews

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

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
7.1
Good
11,846 reviews
United Airlines
7.4
Good
10,061 reviews

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

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 Illinois. 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 Illinois?

    For a flight from Peoria to Illinois, you will be flying from Greater Peoria. Greater Peoria (PIA) is just 6.0 mi from the center of the city.

  • How long is the flight from Peoria, Illinois to Illinois?

    Airlines like American Airlines and United Airlines fly from Peoria, Illinois to Illinois in about 1h 03m. The time it takes to get you to your destination is usually consistent. The distance from Peoria, Illinois to Illinois is about 130 mi. All flights are typically nonstop.

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

    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 Illinois on time: Copa Airlines (89%), Qatar Airways (87%), Japan Airlines (87%).

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

    Looking for the cheapest flight from Peoria, Illinois to Illinois? While on average our users pay $689, our data indicates the cheapest price to be $268. The most popular route (Greater Peoria - Chicago O'Hare Intl), is priced around $249.

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

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

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

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

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

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

See more FAQs

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Alternative routes for Peoria to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Peoria to Illinois

Discover the top 2 airlines that operate flights from Peoria to Illinois. 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 August 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$179Average$239FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$179Average$269FlexibilityNo cancel feeOn-time71%

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