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Peoria

$123+ 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 12/26. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PIA
Dec 28 — Jan 41
Sun 12/28
Sun 1/4
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 November 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 11/27. 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 11/27$155
This Cheapflightsfares deal was found by Cheapflights users on 11/27. 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 12/14:58 pmDEN - PIA
Nonstop2h 00mAllegiant Air
Fri 12/53:08 pmPIA - DEN
Nonstop2h 26mAllegiant Air
Deal found 11/27$182
This Kiwi.com deal was found by Cheapflights users on 11/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:21 pmDEN - PIA
1 stop19h 57mMultiple Airlines
Mon 1/53:38 pmPIA - DEN
Nonstop2h 26mMultiple Airlines
Deal found 11/28$229
This Kiwi.com deal was found by Cheapflights users on 11/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:00 amDEN - PIA
1 stop11h 48mMultiple Airlines
Mon 1/53:38 pmPIA - DEN
Nonstop2h 26mMultiple Airlines
Deal found 11/28$237
This Kiwi.com deal was found by Cheapflights users on 11/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:00 amDEN - PIA
1 stop7h 18mMultiple Airlines
Mon 1/53:38 pmPIA - DEN
Nonstop2h 26mMultiple Airlines
Deal found 11/28$256
This Kiwi.com deal was found by Cheapflights users on 11/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2310:37 pmDEN - PIA
1 stop12h 41mMultiple Airlines
Mon 1/53:38 pmPIA - DEN
Nonstop2h 26mMultiple Airlines
Deal found 11/28$259
This Kiwi.com deal was found by Cheapflights users on 11/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:15 amDEN - PIA
1 stop10h 48mMultiple Airlines
Mon 1/53:38 pmPIA - DEN
Nonstop2h 26mMultiple Airlines
Deal found 11/28$264
This Kiwi.com deal was found by Cheapflights users on 11/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:29 pmDEN - PIA
Nonstop1h 57mAllegiant Air
Mon 1/53:38 pmPIA - DEN
Nonstop2h 26mAllegiant Air
Deal found 11/28$270
This Cheapflightsfares deal was found by Cheapflights users on 11/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:54 pmDEN - PIA
Nonstop1h 57mAllegiant Air
Fri 1/23:38 pmPIA - DEN
Nonstop2h 26mAllegiant Air
Deal found 11/28$271
This Kiwi.com deal was found by Cheapflights users on 11/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:21 pmDEN - PIA
1 stop19h 57mMultiple Airlines
Sat 1/105:55 pmPIA - DEN
1 stop15h 29mMultiple Airlines
Deal found 11/28$273
This United Airlines deal was found by Cheapflights users on 11/27. 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 12/1212:50 pmCOS - PIA
1 stop7h 41mUnited Airlines
Tue 12/165:15 pmPIA - COS
1 stop5h 42mUnited Airlines
Deal found 11/27$279
This United Airlines deal was found by Cheapflights users on 11/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:30 pmDEN - PIA
Nonstop2h 17mUnited Airlines
Thu 1/88:35 amPIA - DEN
Nonstop2h 45mUnited Airlines
Deal found 11/28$279

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 November 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$104
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$291

Good round-trip deal

$139 or less

Good one-way deal

$106 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
Highest demand for flights based on searches. 21% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 November 28, 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

Fri 1/16

11:59 pm-5:05 pm

1 stop16h 06m

Greater Peoria

Mon 1/19

5:56 pm-9:35 am

1 stop16h 39m

$180

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Thu 1/1

7:45 am-2:08 pm

1 stop5h 23m

Greater Peoria

Sun 1/4

5:19 pm-11:38 pm

1 stop7h 19m

$229

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Sat 1/17

5:30 pm-8:47 pm

Nonstop2h 17m

Greater Peoria

Mon 1/19

5:18 pm-9:59 pm

1 stop5h 41m

$246

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Sat 12/13

5:45 pm-8:56 pm

Nonstop2h 11m

Greater Peoria

Wed 12/17

8:40 am-10:32 am

Nonstop2h 52m

$249

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Tue 12/30

6:00 am-12:20 pm

1 stop5h 20m

Greater Peoria

Sat 1/3

5:19 pm-11:38 pm

1 stop7h 19m

$256

Colorado SpringsPeoria

COS - PIA

COSPIA

Colorado Springs

Fri 12/12

12:50 pm-9:31 pm

1 stop7h 41m

Greater Peoria

Tue 12/16

5:15 pm-9:57 pm

1 stop5h 42m

$279

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Thu 1/8

5:30 pm-8:47 pm

Nonstop2h 17m

Greater Peoria

Sun 1/11

8:35 am-10:20 am

Nonstop2h 45m

$279

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Mon 12/29

5:30 pm-8:47 pm

Nonstop2h 17m

Greater Peoria

Sun 1/18

8:35 am-10:20 am

Nonstop2h 45m

$279

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Mon 12/29

5:30 pm-8:47 pm

Nonstop2h 17m

Greater Peoria

Mon 1/5

3:30 pm-7:46 pm

1 stop5h 16m

$289

Grand JunctionPeoria

GJT - PIA

GJTPIA

Grand Junction Regnl

Sat 1/17

12:46 pm-9:43 pm

1 stop7h 57m

Greater Peoria

Wed 1/21

3:55 pm-8:52 pm

1 stop5h 57m

$291

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/28

Showing 1-10 of 24 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 November 28, 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.

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 5h 23m. United Airlines provides one of the quickest options available for as low as $229. The distance from Colorado to Peoria, Illinois is about 790 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 Colorado Springs - Greater Peoria or Grand Junction Regnl - Greater Peoria.

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

    Consider Allegiant Air (75%), SkyWest Airlines (59%) or United Airlines (59%) 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 $176, our data shows the cheapest flight currently is $59. When looking at the most popular route, (Denver Intl - Greater Peoria), you can expect to pay $155 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.

See more FAQs

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Alternative routes for Colorado to Peoria

See prices for flight routes from nearby airports that may be better suited for you.
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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 November 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$77Average$144FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$166Average$337FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$219Average$425FlexibilityNo cancel feeOn-time69%

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