$144+ Cheap flights from Illinois to Peoria, IL (PIA)
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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PIA
Sep 4 — Sep 111
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Peoria with Cheapflights
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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
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Cheapest flights from Illinois to PeoriaExplore the most affordable flight options available from Illinois to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 5, 2026.
Explore the most affordable flight options available from Illinois to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 5, 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.
Tue 9/812:29 pm -
Nonstop1h 10m
Tue 9/153:35 pm -
Nonstop1h 30m
Deal found 8/4![United Airlines logo]()
$249
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/143:45 pm -
Nonstop1h 13m
Mon 9/216:00 am -
Nonstop1h 19m
Deal found 7/31![American Airlines logo]()
$250
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:06 pm -
Nonstop1h 09m
Sun 8/306:00 am -
Nonstop1h 16m
Deal found 8/2![American Airlines logo]()
$251
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.
Sun 12/278:30 pm -
Nonstop1h 21m
Sun 1/36:28 am -
Nonstop1h 32m
Deal found 8/4![United Airlines logo]()
$265
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.
Thu 8/277:44 pm -
1 stop12h 56m
Sun 8/305:37 pm -
2 stops26h 22m
Deal found 8/2![Multiple Airlines logo]()
$304
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/273:45 pm -
Nonstop1h 14m
Thu 1/75:30 pm -
Nonstop1h 24m
Deal found 8/4![American Airlines logo]()
$306
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.
Sat 9/51:47 pm -
Nonstop1h 13m
Sun 9/63:35 pm -
Nonstop1h 26m
Deal found 8/3![United Airlines logo]()
$318
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 8/281:47 pm -
Nonstop1h 10m
Fri 9/45:45 am -
Nonstop1h 13m
Deal found 7/31![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.
Mon 8/311:30 am -
Nonstop1h 08m
Mon 9/73:35 pm -
Nonstop1h 26m
Deal found 8/2![United Airlines logo]()
$329
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/174:57 pm -
1 stop24h 01m
Sun 9/206:00 am -
1 stop34h 27m
Deal found 8/3![American Airlines logo]()
$487
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.
Sun 12/274:53 pm -
1 stop15h 23m
Wed 1/65:33 pm -
1 stop23h 03m
Deal found 8/3![Allegiant Air logo]()
$723
Best flights from Illinois to PeoriaDiscover carefully curated flight deals from Illinois to Peoria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 5, 2026.
Discover carefully curated flight deals from Illinois to Peoria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 5, 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.
Tue 9/812:29 pm -
Nonstop1h 10m
Tue 9/153:35 pm -
Nonstop1h 30m
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.
Sat 9/193:45 pm -
Nonstop1h 13m
Sat 9/265:28 pm -
Nonstop1h 24m
Deal found 8/5![American Airlines logo]()
$250
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/143:45 pm -
Nonstop1h 13m
Mon 9/216:00 am -
Nonstop1h 19m
Deal found 7/31![American Airlines logo]()
$250
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.
Sat 9/51:47 pm -
Nonstop1h 13m
Sun 9/63:35 pm -
Nonstop1h 26m
Deal found 8/3![United Airlines logo]()
$318
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 8/281:47 pm -
Nonstop1h 10m
Fri 9/45:45 am -
Nonstop1h 13m
Deal found 7/31![United Airlines logo]()
$319
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.
Sun 12/274:53 pm -
1 stop15h 23m
Wed 1/65:33 pm -
1 stop23h 03m
Deal found 8/3![Allegiant Air logo]()
$723
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.
Fri 1/89:40 pm -
Nonstop1h 08m
Sat 1/95:20 pm -
Nonstop1h 03m
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.
Fri 1/82:26 pm -
1 stop8h 22m
Tue 1/1210:55 am -
1 stop6h 46m
Deal found 8/2![United Airlines logo]()
$627
Last-minute flights from Illinois to PeoriaDiscover last-minute flight deals from Illinois to Peoria. Data last updated August 5, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Peoria. Data last updated August 5, 2026 and is based on user searches.
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:06 pm -
Nonstop1h 09m
Sun 8/306:00 am -
Nonstop1h 16m
Deal found 8/2![American Airlines logo]()
$251
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.
Thu 8/277:44 pm -
1 stop12h 56m
Sun 8/305:37 pm -
2 stops26h 22m
Deal found 8/2![Multiple Airlines logo]()
$304
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 8/281:47 pm -
Nonstop1h 10m
Fri 9/45:45 am -
Nonstop1h 13m
Deal found 7/31![United Airlines logo]()
$319
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.
Sat 9/51:47 pm -
Nonstop1h 13m
Sun 9/63:35 pm -
Nonstop1h 26m
Deal found 8/3![United Airlines logo]()
$318
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:54 am -
1 stop7h 18m
Sun 9/66:00 am -
Nonstop1h 16m
Deal found 8/3![American Airlines logo]()
$388
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.
Tue 9/812:29 pm -
Nonstop1h 10m
Tue 9/153:35 pm -
Nonstop1h 30m
Deal found 8/4![United Airlines logo]()
$249
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/143:45 pm -
Nonstop1h 13m
Mon 9/216:00 am -
Nonstop1h 19m
Deal found 7/31![American Airlines logo]()
$250
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/174:57 pm -
1 stop24h 01m
Sun 9/206:00 am -
1 stop34h 27m
Deal found 8/3![American Airlines logo]()
$487
One-way flights from Illinois to PeoriaSearch for one-way flight options from Illinois to Peoria. Find affordable one-way fares based on user searches. Data last updated August 5, 2026.
Search for one-way flight options from Illinois to Peoria. Find affordable one-way fares based on user searches. Data last updated August 5, 2026.
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.
Wed 10/2811:06 am -
1 stop26h 13m
Deal found 8/1![Multiple Airlines logo]()
$144
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 9/58:45 am -
Nonstop1h 21m
Deal found 8/4![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.
Sat 10/3111:06 am -
1 stop27h 13m
Deal found 8/1![Multiple Airlines logo]()
$168
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:11 am -
3 stops49h 17m
Deal found 8/4![Multiple Airlines logo]()
$193
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 9/276:30 am -
1 stop10h 59m
Deal found 8/1![Multiple Airlines logo]()
$203
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:11 am -
3 stops50h 27m
Deal found 8/4![Multiple Airlines logo]()
$211
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:05 am -
3 stops49h 12m
Deal found 7/31![Multiple Airlines logo]()
$213
Find flight deals from Illinois to Peoria
Keep the following information in mind while searching for Illinois to Peoria flight deals. Data was last updated August 5, 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 one-way deal | $163 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Peoria 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 5, 2026.
Use the filters below to find and compare flights from Illinois to Peoria that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoPeoria
ORD Chicago O'Hare Intl - PIA Greater Peoria
ORDPIA
Chicago O'Hare Intl
Tue 9/8
12:29 pm-1:39 pm
Nonstop1h 10m
Greater Peoria
Tue 9/15
3:35 pm-5:05 pm
Nonstop1h 30m
$249
ChicagoPeoria
ORD Chicago O'Hare Intl - PIA Greater Peoria
ORDPIA
Chicago O'Hare Intl
Sat 9/19
3:45 pm-4:58 pm
Nonstop1h 13m
Greater Peoria
Sat 9/26
5:28 pm-6:52 pm
Nonstop1h 24m
$250
ChicagoPeoria
ORD Chicago O'Hare Intl - PIA Greater Peoria
ORDPIA
Chicago O'Hare Intl
Mon 9/14
3:45 pm-4:58 pm
Nonstop1h 13m
Greater Peoria
Mon 9/21
6:00 am-7:19 am
Nonstop1h 19m
$250
ChicagoPeoria
ORD Chicago O'Hare Intl - PIA Greater Peoria
ORDPIA
Chicago O'Hare Intl
Sat 9/5
1:47 pm-3:00 pm
Nonstop1h 13m
Greater Peoria
Sun 9/6
3:35 pm-5:01 pm
Nonstop1h 26m
$318
ChicagoPeoria
ORD Chicago O'Hare Intl - PIA Greater Peoria
ORDPIA
Chicago O'Hare Intl
Fri 8/28
1:47 pm-2:57 pm
Nonstop1h 10m
Greater Peoria
Fri 9/4
5:45 am-6:58 am
Nonstop1h 13m
$319
Quickest round-trip
ChicagoPeoria
ORD Chicago O'Hare Intl - PIA Greater Peoria
ORDPIA
Chicago O'Hare Intl
Fri 1/8
9:40 pm-10:48 pm
Nonstop1h 08m
Greater Peoria
Sat 1/9
5:20 pm-6:23 pm
Nonstop1h 03m
$319
MolinePeoria
MLI Moline Quad-City - PIA Greater Peoria
MLIPIA
Moline Quad-City
Fri 1/8
2:26 pm-10:48 pm
1 stop8h 22m
Greater Peoria
Tue 1/12
10:55 am-5:41 pm
1 stop6h 46m
$627
ChicagoPeoria
MDW Chicago Midway - PIA Greater Peoria
MDWPIA
Chicago Midway
Sun 12/27
4:53 pm-8:16 am
1 stop15h 23m
Greater Peoria
Wed 1/6
5:33 pm-4:36 pm
1 stop23h 03m
$723
Cheapest one-way
ChicagoPeoria
ORD Chicago O'Hare Intl - PIA Greater Peoria
ORDPIA
Chicago O'Hare Intl
Sat 9/5
8:45 am-10:06 am
Nonstop1h 21m
$164
ChicagoPeoria
ORD Chicago O'Hare Intl - PIA Greater Peoria
ORDPIA
Chicago O'Hare Intl
Sun 9/6
1:47 pm-2:57 pm
Nonstop1h 10m
$164
Showing 1-10 of 15 resultsSorted by cheapest first
Best time to book a flight from Illinois to Peoria
Have a flexible travel schedule? Discover the best time to fly to Peoria from Illinois with our price prediction graph.
ORD-PIA
MLI-PIA
MDW-PIA
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 Illinois to Peoria
USIL-PIA
ORD-PIA
MLI-PIA
MDW-PIA
What is the cheapest time of day to fly from IL to PIA?
Find hourly flight availability from Illinois to Peoria. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 5, 2026.
It’s typically best to fly out from Illinois to Peoria, Illinois in the morning. Doing so could potentially save you 26% on the flight price compared to flying in the afternoon, which is usually more expensive.
Weekly flight availability from Illinois to Peoria, Illinois
Explore weekly flight availability from Illinois to Peoria. 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 5, 2026.
The most flights from USIL to PIA are scheduled on a Monday (18 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (8 on average).
Related info for your journey
Find useful and relevant information for your journey from Illinois to Peoria. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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