$129+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — CHI
Sep 5 — Sep 121
Round-trip
1 adult, Economy
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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
Cheapest
Best
Last-minute
One-way
Cheapest flights from Peoria to ChicagoExplore 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 August 6, 2026.
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 August 6, 2026.
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:30 pm -
Nonstop1h 24m
Sun 10/183:45 pm -
Nonstop1h 14m
Deal found 8/1![American Airlines logo]()
$249
This United Airlines deal was found by Cheapflights users on 8/4. 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 8/2210:41 am -
Nonstop1h 16m
Sat 9/51:47 pm -
Nonstop1h 13m
Deal found 8/4![United Airlines logo]()
$264
This American Airlines deal was found by Cheapflights users on 8/5. 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 9/176:00 am -
Nonstop1h 19m
Thu 9/2411:00 pm -
Nonstop1h 08m
Deal found 8/5![American Airlines logo]()
$279
This United Airlines deal was found by Cheapflights users on 8/4. 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 8/293:35 pm -
Nonstop1h 30m
Tue 9/11:47 pm -
Nonstop1h 13m
Deal found 8/4![United Airlines logo]()
$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 -
Nonstop1h 15m
Tue 8/411:30 am -
Nonstop1h 08m
Deal found 8/1![United Airlines logo]()
$335
This United Airlines deal was found by Cheapflights users on 8/3. 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 8/188:29 am -
Nonstop1h 16m
Sat 8/225:45 pm -
Nonstop1h 18m
Deal found 8/3![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 8/4. 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 8/82:33 pm -
Nonstop1h 26m
Mon 8/1010:00 pm -
Nonstop1h 20m
Deal found 8/4![United Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 8/3. 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 9/118:45 am -
1 stop24h 58m
Sat 9/1212:29 pm -
Nonstop1h 10m
Deal found 8/3![United Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Wed 9/910:25 am -
1 stop23h 55m
Thu 10/17:28 pm -
2 stops38h 33m
Deal found 8/5![Multiple Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 8/3. 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 8/3110:41 am -
Nonstop1h 16m
Wed 9/25:45 pm -
Nonstop1h 18m
Deal found 8/3![United Airlines logo]()
$477
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Sun 8/3010:41 am -
Nonstop1h 16m
Sun 9/65:55 am -
1 stop14h 55m
Deal found 8/2![United Airlines logo]()
$480
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:28 am -
1 stop22h 00m
Sun 10/1811:38 am -
1 stop23h 00m
Deal found 8/2![Allegiant Air logo]()
$480
Best flights from Peoria to ChicagoDiscover carefully curated flight deals from Peoria to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 6, 2026.
Discover carefully curated flight deals from Peoria to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 6, 2026.
This United Airlines deal was found by Cheapflights users on 8/4. 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 9/143:35 pm -
Nonstop1h 26m
Mon 9/2110:00 pm -
Nonstop1h 13m
Deal found 8/4![United Airlines logo]()
$249
This American Airlines deal was found by Cheapflights users on 8/5. 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 9/216:00 am -
Nonstop1h 19m
Mon 9/2811:00 pm -
Nonstop1h 08m
Deal found 8/5![American Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:28 am -
1 stop22h 00m
Sun 10/1811:38 am -
1 stop23h 00m
Deal found 8/2![Allegiant Air logo]()
$480
This United Airlines deal was found by Cheapflights users on 8/2. 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 10/1410:43 am -
Nonstop1h 10m
Sun 10/189:45 pm -
Nonstop1h 13m
Deal found 8/2![United Airlines logo]()
$249
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Sun 8/308:28 am -
Nonstop1h 17m
Sun 9/61:47 pm -
Nonstop1h 10m
Deal found 8/2![United Airlines logo]()
$249
This American Airlines deal was found by Cheapflights users on 8/5. 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 9/176:00 am -
Nonstop1h 19m
Thu 9/2411:00 pm -
Nonstop1h 08m
Deal found 8/5![American Airlines logo]()
$279
This United Airlines deal was found by Cheapflights users on 8/3. 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 8/188:29 am -
Nonstop1h 16m
Sat 8/225:45 pm -
Nonstop1h 18m
Deal found 8/3![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Mon 9/288:30 am -
Nonstop1h 09m
Tue 9/298:50 am -
Nonstop1h 16m
Deal found 8/2![United Airlines logo]()
$477
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.
Sun 9/208:29 am -
Nonstop1h 16m
Sat 9/265:00 am -
1 stop15h 51m
Deal found 7/31![United Airlines logo]()
$492
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Sat 8/298:45 am -
1 stop10h 45m
Tue 9/11:47 pm -
Nonstop1h 13m
Deal found 8/2![United Airlines logo]()
$492
This United Airlines deal was found by Cheapflights users on 8/3. 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 9/116:00 am -
Nonstop1h 13m
Mon 9/218:20 pm -
1 stop24h 25m
Deal found 8/3![United Airlines logo]()
$492
Last-minute flights from Peoria to ChicagoDiscover last-minute flight deals from Peoria to Chicago. Data last updated August 6, 2026 and is based on user searches.
Discover last-minute flight deals from Peoria to Chicago. Data last updated August 6, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/4. 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 8/82:33 pm -
Nonstop1h 26m
Mon 8/1010:00 pm -
Nonstop1h 20m
Deal found 8/4![United Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 8/3. 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 8/188:29 am -
Nonstop1h 16m
Sat 8/225:45 pm -
Nonstop1h 18m
Deal found 8/3![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 8/4. 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 8/2210:41 am -
Nonstop1h 16m
Sat 9/51:47 pm -
Nonstop1h 13m
Deal found 8/4![United Airlines logo]()
$264
This United Airlines deal was found by Cheapflights users on 8/4. 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 8/293:35 pm -
Nonstop1h 30m
Tue 9/11:47 pm -
Nonstop1h 13m
Deal found 8/4![United Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Sun 8/3010:41 am -
Nonstop1h 16m
Sun 9/65:55 am -
1 stop14h 55m
Deal found 8/2![United Airlines logo]()
$480
This United Airlines deal was found by Cheapflights users on 8/3. 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 8/3110:41 am -
Nonstop1h 16m
Wed 9/25:45 pm -
Nonstop1h 18m
Deal found 8/3![United Airlines logo]()
$477
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Wed 9/910:25 am -
1 stop23h 55m
Thu 10/17:28 pm -
2 stops38h 33m
Deal found 8/5![Multiple Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 8/3. 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 9/118:45 am -
1 stop24h 58m
Sat 9/1212:29 pm -
Nonstop1h 10m
Deal found 8/3![United Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 8/5. 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 9/176:00 am -
Nonstop1h 19m
Thu 9/2411:00 pm -
Nonstop1h 08m
Deal found 8/5![American Airlines logo]()
$279
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:00 am -
Nonstop1h 19m
Mon 9/283:45 pm -
Nonstop1h 13m
Deal found 8/1![American Airlines logo]()
$249
One-way flights from Peoria to ChicagoSearch for one-way flight options from Peoria to Chicago. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
Search for one-way flight options from Peoria to Chicago. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
This American Airlines deal was found by Cheapflights users on 8/5. 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 8/116:48 pm -
Nonstop1h 27m
Deal found 8/5![American Airlines logo]()
$129
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:24 pm -
2 stops36h 11m
Deal found 8/1![Multiple Airlines logo]()
$144
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:24 pm -
1 stop6h 59m
Deal found 8/1![Multiple Airlines logo]()
$160
This United Airlines deal was found by Cheapflights users on 8/5. 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 9/53:35 pm -
Nonstop1h 26m
Deal found 8/5![United Airlines logo]()
$164
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:24 pm -
1 stop16h 37m
Deal found 8/1![Multiple Airlines logo]()
$167
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3010:07 am -
1 stop27h 29m
Deal found 8/1![Multiple Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/138:27 pm -
1 stop24h 08m
Deal found 8/3![Allegiant Air logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:28 am -
1 stop22h 00m
Deal found 8/2![Allegiant Air logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:49 pm -
3 stops46h 18m
Deal found 8/2![Multiple Airlines logo]()
$446
Find 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 August 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $249 (American Airlines) |
One-way from | $129 (American Airlines) |
Good round-trip deal | $346 or less |
Good one-way deal | $325 or less |
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 August 6, 2026.
Use the filters below to find and compare flights from Peoria to Chicago that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PeoriaChicago
PIA Greater Peoria - ORD Chicago O'Hare Intl
PIAORD
Greater Peoria
Mon 9/14
3:35 pm-5:01 pm
Nonstop1h 26m
Chicago O'Hare Intl
Mon 9/21
10:00 pm-11:13 pm
Nonstop1h 13m
$249
PeoriaChicago
PIA Greater Peoria - ORD Chicago O'Hare Intl
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 Greater Peoria - ORD Chicago O'Hare Intl
PIAORD
Greater Peoria
Wed 10/14
10:43 am-11:53 am
Nonstop1h 10m
Chicago O'Hare Intl
Sun 10/18
9:45 pm-10:58 pm
Nonstop1h 13m
$249
PeoriaChicago
PIA Greater Peoria - ORD Chicago O'Hare Intl
PIAORD
Greater Peoria
Sun 8/30
8:28 am-9:45 am
Nonstop1h 17m
Chicago O'Hare Intl
Sun 9/6
1:47 pm-2:57 pm
Nonstop1h 10m
$249
PeoriaChicago
PIA Greater Peoria - ORD Chicago O'Hare Intl
PIAORD
Greater Peoria
Thu 9/17
6:00 am-7:19 am
Nonstop1h 19m
Chicago O'Hare Intl
Thu 9/24
11:00 pm-12:08 am
Nonstop1h 08m
$279
PeoriaChicago
PIA Greater Peoria - ORD Chicago O'Hare Intl
PIAORD
Greater Peoria
Tue 8/18
8:29 am-9:45 am
Nonstop1h 16m
Chicago O'Hare Intl
Sat 8/22
5:45 pm-7:03 pm
Nonstop1h 18m
$349
PeoriaChicago
PIA Greater Peoria - ORD Chicago O'Hare Intl
PIAORD
Greater Peoria
Mon 9/28
8:30 am-9:39 am
Nonstop1h 09m
Chicago O'Hare Intl
Tue 9/29
8:50 am-10:06 am
Nonstop1h 16m
$477
PeoriaChicago
PIA Greater Peoria - MDW Chicago Midway
PIAMDW
Greater Peoria
Wed 10/14
10:28 am-8:28 am
1 stop22h 00m
Chicago Midway
Sun 10/18
11:38 am-10:38 am
1 stop23h 00m
$480
PeoriaChicago
PIA Greater Peoria - ORD Chicago O'Hare Intl
PIAORD
Greater Peoria
Sun 9/20
8:29 am-9:45 am
Nonstop1h 16m
Chicago O'Hare Intl
Sat 9/26
5:00 am-8:51 pm
1 stop15h 51m
$492
PeoriaChicago
PIA Greater Peoria - ORD Chicago O'Hare Intl
PIAORD
Greater Peoria
Sat 8/29
8:45 am-7:30 pm
1 stop10h 45m
Chicago O'Hare Intl
Tue 9/1
1:47 pm-3:00 pm
Nonstop1h 13m
$492
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Peoria to Chicago
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Peoria to Chicago in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Peoria, Illinois-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Peoria, Illinois-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Peoria, Illinois-Chicago flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Peoria, Illinois-Chicago flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Peoria, Illinois-Chicago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
PIA-CHI
PIA-ORD
PIA-MDW
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
PIA-CHI
PIA-ORD
PIA-MDW
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 August 6, 2026.
It’s optimal to fly from Peoria, Illinois to Chicago 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 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 August 6, 2026.
The most flights from PIA to CHI are scheduled on a Monday (16 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).
What is the cheapest day to fly from Peoria, Illinois to Chicago?
Use this chart to determine the cheapest time to fly round-trip from Peoria to Chicago. Price data was last updated on August 1, 2026.
Travelers seeking maximum savings on their Peoria, Illinois to Chicago 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.
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.
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsBenton Harbor
Lansing
Merrillville
Valparaiso
Hammond
Saint Joseph
Porter
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Other flights to Chicago
Explore flights to Chicago departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 6, 2026.
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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 August 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$239 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$179 | Average$269 | FlexibilityNo cancel fee | On-time71% |