HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Peoria

$130+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PIA
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to Peoria 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 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 January 21, 2026.

This United Airlines deal was found by Cheapflights users on 1/19. 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 2/126:00 am
DEN
-
PIA
1 stop5h 43m
United Airlines
Tue 3/39:00 am
PIA
-
DEN
Nonstop2h 05m
United Airlines
Deal found 1/19$219
This American Airlines deal was found by Cheapflights users on 1/19. 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 2/195:57 pm
DEN
-
PIA
1 stop4h 28m
American Airlines
Mon 2/236:55 pm
PIA
-
DEN
1 stop4h 42m
American Airlines
Deal found 1/19$229
This United Airlines deal was found by Cheapflights users on 1/19. 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 2/35:30 pm
DEN
-
PIA
Nonstop2h 17m
United Airlines
Sat 2/710:45 am
PIA
-
DEN
1 stop6h 27m
United Airlines
Deal found 1/19$259
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/205:25 pm
DEN
-
PIA
Nonstop2h 12m
United Airlines
Mon 2/235:45 pm
PIA
-
DEN
1 stop6h 21m
United Airlines
Deal found 1/21$261
This United Airlines deal was found by Cheapflights users on 1/20. 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 5/55:54 pm
DEN
-
PIA
Nonstop2h 24m
United Airlines
Tue 5/125:25 pm
PIA
-
DEN
1 stop5h 49m
United Airlines
Deal found 1/20$289
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/217:45 am
DEN
-
PIA
1 stop5h 25m
United Airlines
Sun 2/225:45 pm
PIA
-
DEN
1 stop6h 21m
United Airlines
Deal found 1/21$302
This United Airlines deal was found by Cheapflights users on 1/20. 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 2/66:00 am
DEN
-
PIA
1 stop5h 38m
United Airlines
Sat 2/141:25 pm
PIA
-
DEN
1 stop7h 23m
United Airlines
Deal found 1/20$319
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 2/57:00 am
DEN
-
PIA
2 stops36h 39m
Multiple Airlines
Mon 2/99:29 pm
PIA
-
DEN
1 stop7h 27m
Multiple Airlines
Deal found 1/21$320
This American Airlines deal was found by Cheapflights users on 1/19. 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 1/307:55 am
DEN
-
PIA
1 stop8h 04m
American Airlines
Sun 2/15:16 pm
PIA
-
DEN
1 stop7h 00m
American Airlines
Deal found 1/19$325
This United Airlines deal was found by Cheapflights users on 1/20. 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 2/45:30 pm
DEN
-
PIA
Nonstop2h 17m
United Airlines
Sun 2/81:24 pm
PIA
-
DEN
1 stop7h 49m
United Airlines
Deal found 1/20$329
This United Airlines deal was found by Cheapflights users on 1/20. 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 1/243:30 pm
COS
-
PIA
1 stop4h 17m
United Airlines
Sat 1/318:35 am
PIA
-
COS
1 stop4h 47m
United Airlines
Deal found 1/20$354
This American Airlines deal was found by Cheapflights users on 1/20. 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 4/2512:21 pm
COS
-
PIA
1 stop5h 03m
American Airlines
Sun 4/266:00 am
PIA
-
COS
1 stop6h 51m
American Airlines
Deal found 1/20$367

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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$219
(United Airlines)

One-way from

$130
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$319

Good round-trip deal

$249 or less

Good one-way deal

$238 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. 9% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 21, 2026.
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

Thu 2/12

6:00 am-12:43 pm

1 stop5h 43m

Greater Peoria

Tue 3/3

9:00 am-10:05 am

Nonstop2h 05m

$219

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Fri 2/20

6:00 am-12:43 pm

1 stop5h 43m

Greater Peoria

Mon 2/23

1:25 pm-6:03 pm

1 stop5h 38m

$229

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Thu 2/5

6:00 am-12:38 pm

1 stop5h 38m

Greater Peoria

Mon 2/9

3:00 pm-9:59 pm

1 stop7h 59m

$269

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Fri 4/10

6:00 am-12:36 pm

1 stop5h 36m

Greater Peoria

Sat 4/11

8:50 am-10:33 am

Nonstop2h 43m

$287

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Thu 2/19

7:45 am-2:10 pm

1 stop5h 25m

Greater Peoria

Mon 2/23

9:00 am-10:05 am

Nonstop2h 05m

$289

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Tue 5/5

5:54 pm-9:18 pm

Nonstop2h 24m

Greater Peoria

Tue 5/12

5:25 pm-11:30 pm

1 stop7h 05m

$289

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Sat 2/21

5:25 pm-8:37 pm

Nonstop2h 12m

Greater Peoria

Mon 2/23

5:45 pm-11:06 pm

1 stop6h 21m

$297

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Wed 2/18

6:00 am-12:43 pm

1 stop5h 43m

Greater Peoria

Sun 2/22

5:45 pm-11:06 pm

1 stop6h 21m

$299

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Fri 2/6

6:00 am-12:38 pm

1 stop5h 38m

Greater Peoria

Sat 2/14

1:25 pm-7:48 pm

1 stop7h 23m

$319

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Wed 2/4

5:30 pm-8:47 pm

Nonstop2h 17m

Greater Peoria

Sun 2/8

1:24 pm-8:13 pm

1 stop7h 49m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 26 results
1
2
3

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 December is currently the most expensive (average of $193). 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 January 21, 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.

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 January 21, 2026.

The most flights from USCO to PIA are scheduled on a Monday (1 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 5h 03m. United Airlines provides one of the quickest options available for as low as $367. The distance from Colorado to Peoria, Illinois is about 806 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 Montrose County - Greater Peoria.

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

    Consider SkyWest Airlines (87%), United Airlines (87%) or Allegiant Air (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 $398, our data shows the cheapest flight currently is $209. When looking at the most popular route, (Denver Intl - Greater Peoria), you can expect to pay $229 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 December is currently the most expensive (average of $193). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Colorado to Peoria

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to O'Hare Intl flights
John F Kennedy Intl to O'Hare Intl flights
Los Angeles to O'Hare Intl flights
Newark to O'Hare Intl flights
San Francisco to O'Hare Intl flights
Baltimore to O'Hare Intl flights
Dulles Intl to O'Hare Intl flights
LaGuardia to O'Hare Intl flights
Reagan-National to O'Hare Intl flights
Boston to O'Hare Intl flights
Atlanta to O'Hare Intl flights
Seattle to O'Hare Intl flights
Dallas/Fort Worth to Midway flights
Denver to O'Hare Intl flights
Philadelphia to O'Hare Intl flights
Newark to Midway flights
John F Kennedy Intl to Midway flights
Sky Harbor Intl to O'Hare Intl flights
Los Angeles to Midway flights
Ontario to O'Hare Intl flights
Austin to O'Hare Intl flights
Santa Ana to O'Hare Intl flights
Dulles Intl to Midway flights
Minneapolis to O'Hare Intl flights
Atlanta to Midway flights
Charlotte to O'Hare Intl flights
Raleigh to O'Hare Intl flights
San Francisco to Midway flights
Love Field to O'Hare Intl flights
Tampa to O'Hare Intl flights
Newark to St. Louis flights
Hobby to O'Hare Intl flights
Orlando to O'Hare Intl flights
George Bush Intcntl to O'Hare Intl flights
LaGuardia to Midway flights
San Diego to O'Hare Intl flights
Fort Lauderdale to O'Hare Intl flights
Hartford to O'Hare Intl flights
LaGuardia to St. Louis flights
Hobby to Midway flights
Baltimore to Midway flights
Philadelphia to Midway flights
Miami to O'Hare Intl flights
Denver to Midway flights
Cleveland to O'Hare Intl flights
Detroit to O'Hare Intl flights
Minneapolis to Midway flights
Reagan-National to Midway flights
Sacramento to O'Hare Intl flights
San Jose to O'Hare Intl flights

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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$68Average$136FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$166Average$310FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$209Average$410FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.