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Peoria

$73+ Cheap flights from Colorado 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PIA
Nov 12 — Nov 191
Wed 11/12
Wed 11/19
1 adult, Economy
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Find flight deals from Colorado to Peoria

Cheapest flights from Colorado to Peoria
Explore the most affordable flight options available from Colorado to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 13, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:54 pmDEN - PIA
Nonstop1h 57mAllegiant Air
Mon 1/53:38 pmPIA - DEN
Nonstop2h 26mAllegiant Air
Deal found 10/12$153
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 10/3011:04 amDEN - PIA
1 stop27h 35mMultiple Airlines
Mon 11/39:59 amPIA - DEN
Nonstop2h 16mMultiple Airlines
Deal found 10/12$184
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 12/411:15 pmDEN - PIA
2 stops14h 03mMultiple Airlines
Mon 12/83:08 pmPIA - DEN
Nonstop2h 26mMultiple Airlines
Deal found 10/12$194
This United Airlines deal was found by Cheapflights users on 10/11. 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.
Thu 12/115:45 pmDEN - PIA
Nonstop2h 11mUnited Airlines
Sun 12/148:40 amPIA - DEN
Nonstop2h 52mUnited Airlines
Deal found 10/11$209
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 10/316:35 pmDEN - PIA
Nonstop1h 51mMultiple Airlines
Sun 11/25:23 pmPIA - DEN
2 stops29h 15mMultiple Airlines
Deal found 10/12$211
This United Airlines deal was found by Cheapflights users on 10/12. 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.
Thu 12/45:45 pmDEN - PIA
Nonstop2h 11mUnited Airlines
Mon 12/85:15 pmPIA - DEN
1 stop5h 41mUnited Airlines
Deal found 10/12$219
This United Airlines deal was found by Cheapflights users on 10/10. 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 10/245:52 pmDEN - PIA
Nonstop2h 13mUnited Airlines
Sun 10/268:43 amPIA - DEN
Nonstop2h 52mUnited Airlines
Deal found 10/10$229
This American Airlines deal was found by Cheapflights users on 10/12. 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 10/307:21 amDEN - PIA
1 stop7h 19mAmerican Airlines
Mon 11/35:15 pmPIA - DEN
1 stop6h 54mAmerican Airlines
Deal found 10/12$239
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/286:00 amDEN - PIA
1 stop5h 39mUnited Airlines
Sat 11/13:30 pmPIA - DEN
1 stop7h 37mUnited Airlines
Deal found 10/12$249
This Kiwi.com deal was found by Cheapflights users on 10/11. 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 10/246:41 pmDEN - PIA
Nonstop1h 51mMultiple Airlines
Sun 10/265:23 pmPIA - DEN
2 stops29h 23mMultiple Airlines
Deal found 10/11$253
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/2810:34 amCOS - PIA
2 stops9h 57mUnited Airlines
Sat 11/15:23 pmPIA - COS
1 stop5h 24mUnited Airlines
Deal found 10/12$264
This American Airlines deal was found by Cheapflights users on 10/11. 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 10/187:42 amCOS - PIA
1 stop6h 58mAmerican Airlines
Sat 10/254:51 pmPIA - COS
1 stop6h 18mAmerican Airlines
Deal found 10/11$284

Cheap flight deals from Colorado to Peoria

Keep the following information in mind while searching for Colorado to Peoria flight deals. Data was last updated October 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$153
(Cheapflightsfares)

One-way from

$73
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$358

Good round-trip deal

$193 or less

Good one-way deal

$127 or less
Provider with most accurate pricing for Denver Intl-Greater Peoria flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Greater Peoria flights.
Search Deals
From Colorado to Greater Peoria
Search Deals
One-way flight from Colorado to Greater Peoria
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($73 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
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Colorado to Greater Peoria.
Search Deals
Price to beat on a one-way flight from Colorado to Greater Peoria.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado 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 October 13, 2025.
Use the filters below to find and compare flights from Colorado to Peoria that are best for you.

Fly from

Colorado

Fly to

Peoria

Route

Depart

Return

Price

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Mon 12/29

5:54 pm-8:51 pm

Nonstop1h 57m

Greater Peoria

Mon 1/5

3:38 pm-5:04 pm

Nonstop2h 26m

$153

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Thu 10/30

11:04 am-3:39 pm

1 stop27h 35m

Greater Peoria

Mon 11/3

9:59 am-11:15 am

Nonstop2h 16m

$184

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Thu 12/4

11:15 pm-2:18 pm

2 stops14h 03m

Greater Peoria

Mon 12/8

3:08 pm-4:34 pm

Nonstop2h 26m

$198

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Thu 12/11

5:45 pm-8:56 pm

Nonstop2h 11m

Greater Peoria

Sun 12/14

8:40 am-10:32 am

Nonstop2h 52m

$209

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Mon 12/29

5:30 pm-8:47 pm

Nonstop2h 17m

Greater Peoria

Mon 1/5

1:20 pm-7:46 pm

1 stop7h 26m

$219

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Thu 12/4

5:45 pm-8:56 pm

Nonstop2h 11m

Greater Peoria

Mon 12/8

5:15 pm-9:56 pm

1 stop5h 41m

$219

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Tue 10/28

6:00 am-12:39 pm

1 stop5h 39m

Greater Peoria

Sat 11/1

8:43 am-10:35 am

Nonstop2h 52m

$239

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Fri 10/24

4:15 pm-10:15 pm

1 stop5h 00m

Greater Peoria

Sun 10/26

8:43 am-10:35 am

Nonstop2h 52m

$239

Colorado SpringsPeoria

COS - PIA

COSPIA

Colorado Springs

Tue 10/28

10:34 am-9:31 pm

2 stops9h 57m

Greater Peoria

Sat 11/1

5:23 pm-9:47 pm

1 stop5h 24m

$264

Colorado SpringsPeoria

COS - PIA

COSPIA

Colorado Springs

Sat 3/7

5:50 am-2:10 pm

2 stops7h 20m

Greater Peoria

Tue 3/10

8:50 am-12:17 pm

1 stop4h 27m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/11

Showing 1-10 of 22 results
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Best time to book a flight from Colorado to Peoria

Have a flexible travel schedule? Discover the best time to fly to Peoria from Colorado 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 Colorado to Peoria

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

Currently, July is the cheapest month in which you can book a flight from Colorado to Peoria, Illinois (average of $46). Flying from Colorado to Peoria, Illinois in March is currently the most expensive (average of $133). 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 CO to PIA?

Find hourly flight availability from Colorado 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 October 13, 2025.

When flying from Colorado to Peoria, Illinois, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 40% versus a flight in the morning.

Weekly flight availability from Colorado to Peoria, Illinois

Explore weekly flight availability from Colorado 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 October 13, 2025.

The most flights from USCO to PIA are scheduled on a Friday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Related info for your journey

Find useful and relevant information for your journey from Colorado to Peoria. 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 into for flights to Peoria from Colorado?

    Located just 6.0 mi from the city center, Greater Peoria (PIA) is the airport most travelers will use when flying to Peoria from Colorado.

  • How popular is this Colorado to Peoria, Illinois flight route?

    Flights from Colorado to Greater Peoria have been viewed 1 times in the past calendar month.

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

    A quick flight from Colorado to Peoria, Illinois can take about 1h 57m. Allegiant Air provides one of the quickest options available for as low as $153. The distance from Colorado to Peoria, Illinois is about 790 mi. Most flights are nonstop.

  • What are the most popular routes from Colorado to Peoria, Illinois?

    The most popular route from Colorado to Peoria, Illinois is Denver Intl - Greater Peoria. You may also consider Grand Junction Regnl - Greater Peoria or Colorado Springs - Greater Peoria.

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

    Consider Allegiant Air (45%), SkyWest Airlines (43%) or United Airlines (43%) when booking your flight. These represent the most reliable airlines when flying from Colorado to Peoria, Illinois.

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

    While on average a flight from Colorado to Peoria, Illinois is generally $261, our data shows the cheapest flight currently is $106. When looking at the most popular route, (Denver Intl - Greater Peoria), you can expect to pay $113 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado to Peoria 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 Colorado to Peoria, Illinois?

    Currently, July is the cheapest month in which you can book a flight from Colorado to Peoria, Illinois (average of $46). Flying from Colorado to Peoria, Illinois in March is currently the most expensive (average of $133). 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 Colorado to Peoria

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Top 3 airlines flying from Colorado to Peoria

Discover the top 3 airlines that operate flights from Colorado to Peoria. 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 October 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$77Average$146FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$166Average$332FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$228Average$433FlexibilityNo cancel feeOn-time69%

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