HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$122+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — ORD
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Peoria to Illinois 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 Illinois

Keep the following information in mind while searching for Peoria to Illinois flight deals. Data was last updated July 3, 2025.

Round-trip from

$179
(American Airlines)

One-way from

$122
(Mytrip)

Popular in

June

Cheapest in

August

Good round-trip deal

$305 or less

Good one-way deal

$269 or less
From Greater Peoria to Illinois
Search Deals
One-way flight from Greater Peoria to Illinois
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
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

Find 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 July 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/2. 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 8/148:00 pmPIA - ORD
Nonstop1h 11mAmerican Airlines
Thu 8/216:00 pmORD - PIA
Nonstop1h 10mAmerican Airlines
Deal found 7/2$179
This United Airlines deal was found by Cheapflights users on 7/2. 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 7/163:39 pmPIA - ORD
Nonstop1h 11mUnited Airlines
Wed 7/239:05 amORD - PIA
Nonstop1h 14mUnited Airlines
Deal found 7/2$244
This Mytrip deal was found by Cheapflights users on 7/2. 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.
Mon 7/1412:45 pmPIA - ORD
1 stop17h 18mMultiple Airlines
Mon 7/2810:00 amORD - PIA
1 stop9h 25mMultiple Airlines
Deal found 7/2$363

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 July 3, 2025.
Use the filters below to find and compare flights from Peoria to Illinois that are best for you.

Fly from

Peoria

Fly to

Illinois

Route

Depart

Return

Price

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Thu 8/14

8:00 pm-9:11 pm

Nonstop1h 11m

Chicago O'Hare Intl

Thu 8/21

6:00 pm-7:10 pm

Nonstop1h 10m

$179

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Wed 7/16

3:39 pm-4:50 pm

Nonstop1h 11m

Chicago O'Hare Intl

Wed 7/23

9:05 am-10:19 am

Nonstop1h 14m

$244

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Mon 7/14

12:45 pm-6:03 am

1 stop17h 18m

Chicago O'Hare Intl

Mon 7/28

10:00 am-7:25 pm

1 stop9h 25m

$363

PeoriaChicago

PIA - MDW

PIAMDW

Greater Peoria

Sat 8/16

6:33 pm-10:13 am

1 stop15h 40m

$122

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Wed 7/23

8:39 pm-2:13 pm

1 stop17h 34m

$129

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Wed 7/23

10:10 am-11:18 am

Nonstop1h 08m

$204

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Mon 7/21

11:00 am-12:05 pm

Nonstop1h 05m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 month to book a flight from Peoria, Illinois to Illinois?

Currently, August is the cheapest month in which you can book a flight from Peoria, Illinois to Illinois (average of $245). Flying from Peoria, Illinois to Illinois 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 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 July 3, 2025.

When flying from Peoria, Illinois to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 July 3, 2025.

The most flights from PIA to USIL are scheduled on a Thursday (17 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (8 on average).

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 July 3, 2025.
Read through reviews of airlines operating flights from Peoria to Illinois, such as United Airlines, Allegiant Air, 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
8,861 reviews

Overall

7.4

Crew

8.1

Entertainment

7.0

Boarding

7.7

Food

6.6

Comfort

7.3

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
8,861 reviews
United Airlines
7.4
Good
8,861 reviews

Overall

7.4

Crew

8.1

Entertainment

7.0

Boarding

7.7

Food

6.6

Comfort

7.3

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
708 reviews
United Airlines
7.4
Good
8,861 reviews

Overall

7.4

Crew

8.1

Entertainment

7.0

Boarding

7.7

Food

6.6

Comfort

7.3

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
8,861 reviews

Overall

7.4

Crew

8.1

Entertainment

7.0

Boarding

7.7

Food

6.6

Comfort

7.3

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.

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

    $122 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $204 and $219, respectively.

  • 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 (95%), Qatar Airways (90%), Republic Airways (88%).

  • 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 $990, our data indicates the cheapest price to be $149. The most popular route (Greater Peoria - Chicago O'Hare Intl), is priced around $179.

  • 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.

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

    Currently, August is the cheapest month in which you can book a flight from Peoria, Illinois to Illinois (average of $245). Flying from Peoria, Illinois to Illinois 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

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 Illinois

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to LaGuardia flights
O'Hare Intl to John F Kennedy Intl flights
O'Hare Intl to Newark flights
O'Hare Intl to Las Vegas flights
O'Hare Intl to Dallas/Fort Worth flights
O'Hare Intl to Seattle flights
O'Hare Intl to Los Angeles flights
O'Hare Intl to Denver flights
O'Hare Intl to Miami flights
O'Hare Intl to Sky Harbor Intl flights
O'Hare Intl to Orlando flights
O'Hare Intl to Hobby flights
O'Hare Intl to San Francisco flights
O'Hare Intl to Fort Lauderdale flights
O'Hare Intl to Boston flights
O'Hare Intl to Tampa flights
O'Hare Intl to George Bush Intcntl flights
O'Hare Intl to San Diego flights
Midway to Newark flights
O'Hare Intl to Philadelphia flights
O'Hare Intl to Santa Ana flights
Midway to Atlanta flights
O'Hare Intl to Atlanta flights
Midway to John F Kennedy Intl flights
O'Hare Intl to Honolulu flights
O'Hare Intl to Reagan-National flights
O'Hare Intl to Dulles Intl flights
O'Hare Intl to Portland flights
O'Hare Intl to Ontario flights
O'Hare Intl to Minneapolis flights
O'Hare Intl to New Orleans flights
Midway to Dallas/Fort Worth flights
Midway to LaGuardia flights
O'Hare Intl to Baltimore flights
Midway to Las Vegas flights
O'Hare Intl to Austin flights
Midway to Denver flights
O'Hare Intl to Nashville flights
St. Louis to Seattle flights
O'Hare Intl to Burbank flights
St. Louis to Las Vegas flights
O'Hare Intl to Salt Lake City flights
St. Louis to LaGuardia flights
Midway to San Francisco flights
Midway to Seattle flights
O'Hare Intl to Fort Myers flights
Midway to Tampa flights
O'Hare Intl to Charlotte flights
O'Hare Intl to Raleigh flights
Midway to Minneapolis flights

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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$179Average$249FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$217Average$267FlexibilityNo 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.