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

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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — ORD
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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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 April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$179
(United Airlines)

One-way from

$179
(United Airlines)

Popular in

June

Cheapest in

August

Good round-trip deal

$332 or less

Good one-way deal

$184 or less
Provider with most accurate pricing for Greater Peoria-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Greater Peoria-Chicago (CHI) flights.
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From Greater Peoria to Illinois
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One-way flight from Greater Peoria to Illinois
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Highest demand for flights based on searches. 22% potential increase in price ($73 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($15 potential savings vs. average RT price).
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Price to beat on a round-trip flight from Greater Peoria to Illinois.
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Price to beat on a one-way flight from Greater Peoria to Illinois.
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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 April 29, 2025.

This United Airlines deal was found by Cheapflights users on 4/29. 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 6/33:53 pmPIA - ORD
Nonstop1h 11mUnited Airlines
Mon 6/93:35 pmORD - PIA
Nonstop1h 07mUnited Airlines
Deal found 4/29$179
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/35:05 pmPIA - ORD
Nonstop1h 08mAmerican Airlines
Mon 6/910:15 pmORD - PIA
Nonstop1h 04mAmerican Airlines
Deal found 4/28$184
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/37:11 pmPIA - MDW
1 stop20h 26mAllegiant Air
Mon 6/92:53 pmMDW - PIA
2 stops27h 28mAllegiant Air
Deal found 4/28$286

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 April 29, 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

Tue 6/3

3:53 pm-5:04 pm

Nonstop1h 11m

Chicago O'Hare Intl

Mon 6/9

3:35 pm-4:42 pm

Nonstop1h 07m

$179

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Tue 6/3

5:05 pm-6:13 pm

Nonstop1h 08m

Chicago O'Hare Intl

Mon 6/9

10:15 pm-11:19 pm

Nonstop1h 04m

$184

PeoriaChicago

PIA - MDW

PIAMDW

Greater Peoria

Tue 6/3

7:11 pm-3:37 pm

1 stop20h 26m

Chicago Midway

Mon 6/9

2:53 pm-6:21 pm

2 stops27h 28m

$286

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Wed 9/17

3:55 pm-5:09 pm

Nonstop1h 14m

$179

PeoriaChicago

PIA - ORD

PIAORD

Greater Peoria

Mon 6/30

10:05 am-11:20 am

Nonstop1h 15m

$204

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 April 29, 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 April 29, 2025.

The most flights from PIA to USIL are scheduled on a Monday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois 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 Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to 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 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 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 April 29, 2025.
To help decide which airline to fly from Peoria to Illinois, see what other customers have to say about United Airlines, Allegiant Air and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,696 reviews

Overall

7.4

Crew

8.1

Food

6.6

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
8,696 reviews
United Airlines
7.4
Good
8,696 reviews

Overall

7.4

Crew

8.1

Food

6.6

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!
Allegiant Air
7.3
Good
734 reviews
United Airlines
7.4
Good
8,696 reviews

Overall

7.4

Crew

8.1

Food

6.6

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
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,696 reviews

Overall

7.4

Crew

8.1

Food

6.6

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.

  • 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: Envoy Air (85%), American Airlines (75%), Lufthansa (73%).

  • 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 $717, our data indicates the cheapest price to be $125. The most popular route (Greater Peoria - Chicago O'Hare Intl), is priced around $239.

  • 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.

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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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$179Average$259FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$217Average$283FlexibilityNo cancel feeOn-time69%

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