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Peoria

$111+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PIA
May 27 — Jun 31
Wed 5/27
Wed 6/3
1 adult, Economy
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Cheap 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 April 27, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 4/26. 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.
Sun 5/244:27 pm
DEN
-
PIA
Nonstop2h 03m
Allegiant Air
Sun 5/3111:09 am
PIA
-
DEN
Nonstop2h 23m
Allegiant Air
Deal found 4/26$149
This Cheapflightsfares deal was found by Cheapflights users on 4/23. 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.
Thu 5/284:27 pm
DEN
-
PIA
Nonstop2h 03m
Allegiant Air
Sun 5/3111:09 am
PIA
-
DEN
Nonstop2h 23m
Allegiant Air
Deal found 4/23$192
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 5/244:27 pm
DEN
-
PIA
Nonstop2h 03m
Multiple Airlines
Sun 5/319:06 pm
PIA
-
DEN
1 stop12h 02m
Multiple Airlines
Deal found 4/26$225
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/284:27 pm
DEN
-
PIA
Nonstop2h 03m
Multiple Airlines
Sun 5/319:06 pm
PIA
-
DEN
1 stop12h 02m
Multiple Airlines
Deal found 4/23$241
This United Airlines deal was found by Cheapflights users on 4/25. 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 9/15:45 am
COS
-
PIA
1 stop5h 59m
United Airlines
Sun 9/65:45 am
PIA
-
COS
1 stop6h 14m
United Airlines
Deal found 4/25$329
This United Airlines deal was found by Cheapflights users on 4/24. 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 5/1911:43 am
COS
-
PIA
1 stop6h 16m
United Airlines
Sun 5/245:33 pm
PIA
-
COS
1 stop5h 22m
United Airlines
Deal found 4/24$409
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/185:13 pm
COS
-
PIA
1 stop5h 00m
American Airlines
Sun 5/246:00 am
PIA
-
COS
1 stop6h 40m
American Airlines
Deal found 4/23$412
This United Airlines deal was found by Cheapflights users on 4/23. 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 9/1512:45 pm
COS
-
PIA
1 stop5h 40m
United Airlines
Wed 9/235:31 pm
PIA
-
COS
2 stops7h 18m
United Airlines
Deal found 4/23$414
This United Airlines deal was found by Cheapflights users on 4/23. 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 9/1512:51 pm
COS
-
PIA
2 stops9h 01m
United Airlines
Tue 9/228:25 am
PIA
-
COS
2 stops10h 26m
United Airlines
Deal found 4/23$419
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/121:25 pm
COS
-
PIA
2 stops8h 24m
United Airlines
Sat 5/166:30 am
PIA
-
COS
1 stop5h 17m
United Airlines
Deal found 4/26$424
This American Airlines deal was found by Cheapflights users on 4/25. 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 5/185:13 pm
COS
-
PIA
1 stop5h 00m
American Airlines
Sat 5/234:46 pm
PIA
-
COS
1 stop6h 39m
American Airlines
Deal found 4/25$445
This American Airlines deal was found by Cheapflights users on 4/24. 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 6/212:10 pm
COS
-
PIA
1 stop5h 15m
American Airlines
Sat 6/612:24 pm
PIA
-
COS
1 stop5h 19m
American Airlines
Deal found 4/24$447

Find flight deals from Colorado to Peoria

Keep the following information in mind while searching for Colorado to Peoria flight deals. Data was last updated April 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$149
(Cheapflightsfares)

One-way from

$111
(Trip.com)

Popular in

March

Cheapest in

August

Average price

$289

Good round-trip deal

$289 or less

Good one-way deal

$74 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. 15% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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 April 27, 2026.
Use the filters below to find and compare flights from Colorado to Peoria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Tue 6/16

5:33 pm-9:01 pm

Nonstop2h 28m

Greater Peoria

Tue 6/23

5:33 pm-11:37 pm

1 stop7h 04m

$299

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Sat 5/23

5:33 pm-9:01 pm

Nonstop2h 28m

Greater Peoria

Tue 5/26

5:33 pm-10:04 pm

1 stop5h 31m

$299

Colorado SpringsPeoria

COS - PIA

COSPIA

Colorado Springs

Tue 9/1

8:00 am-3:53 pm

1 stop6h 53m

Greater Peoria

Sun 9/6

4:43 pm-10:53 pm

1 stop7h 10m

$329

Colorado SpringsPeoria

COS - PIA

COSPIA

Colorado Springs

Tue 9/1

5:45 am-12:44 pm

1 stop5h 59m

Greater Peoria

Sun 9/6

5:45 am-10:59 am

1 stop6h 14m

$329

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Wed 7/15

5:33 pm-9:01 pm

Nonstop2h 28m

Greater Peoria

Tue 7/21

5:33 pm-11:49 pm

1 stop7h 16m

$344

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Fri 5/22

5:33 pm-9:01 pm

Nonstop2h 28m

Greater Peoria

Fri 5/29

5:33 pm-10:04 pm

1 stop5h 31m

$345

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Thu 6/11

6:00 am-1:57 pm

1 stop6h 57m

Greater Peoria

Tue 6/16

5:33 pm-9:59 pm

1 stop5h 26m

$365

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Thu 5/28

5:33 pm-9:01 pm

Nonstop2h 28m

Greater Peoria

Mon 6/1

8:20 pm-12:53 am

1 stop5h 33m

$379

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Fri 5/15

5:55 pm-9:19 pm

Nonstop2h 24m

Greater Peoria

Mon 5/18

5:30 pm-11:50 pm

1 stop7h 20m

$384

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Thu 6/11

5:33 pm-9:01 pm

Nonstop2h 28m

Greater Peoria

Sun 6/14

8:20 pm-12:53 am

1 stop5h 33m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 33 resultsSorted by cheapest first
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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

How far ahead should I book a flight from Colorado to Peoria, Illinois?

Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from Colorado to Peoria, Illinois. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $229). 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 April 27, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Peoria, Illinois as you normally would.

How much does it cost to fly round-trip from Colorado to Peoria, Illinois?

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 2h 28m. United Airlines provides one of the quickest options available for as low as $299. 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 cheapest airlines to fly from Colorado to Peoria, Illinois one-way?

    The cheapest airline one-way is Allegiant Air, with whom users have recently found tickets for as low as $53. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Colorado to Peoria, Illinois for a low price.

  • 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 cheapest flights from Colorado to Peoria, Illinois?

    While on average a flight from Colorado to Peoria, Illinois is generally $299, our data shows the cheapest flight currently is $74. When looking at the most popular route, (Denver Intl - Greater Peoria), you can expect to pay $192 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 $229). 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

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 April 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$54Average$146FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$219Average$368FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$228Average$297FlexibilityNo cancel feeOn-time71%

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