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Peoria

$114+ Cheap flights from Colorado to Peoria, IL (PIA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PIA
Sep 9 — Sep 161
Wed 9/9
Wed 9/16
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 August 10, 2026.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:20 am -
Nonstop1h 59m
Sun 11/15:24 pm -
Nonstop2h 20m
Deal found 8/5$114
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:20 am -
Nonstop1h 59m
Sun 11/15:24 pm -
Nonstop2h 20m
Deal found 8/5$142
This Cheapflightsfares deal was found by Cheapflights users on 8/6. 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 9/102:16 pm -
Nonstop2h 03m
Sun 9/1310:07 am -
Nonstop2h 20m
Deal found 8/6$156
This Cheapflightsfares deal was found by Cheapflights users on 8/9. 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 8/272:17 pm -
Nonstop2h 07m
Sun 8/3010:07 am -
Nonstop2h 19m
Deal found 8/9$162
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:17 pm -
Nonstop2h 07m
Sun 9/610:07 am -
Nonstop2h 20m
Deal found 8/5$176
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:20 am -
Nonstop1h 59m
Sun 11/15:24 pm -
Nonstop2h 20m
Deal found 8/5$183
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:15 am -
Nonstop1h 59m
Sun 11/15:24 pm -
Nonstop2h 20m
Deal found 8/5$194
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:17 pm -
Nonstop2h 07m
Sun 8/2310:07 am -
Nonstop2h 19m
Deal found 8/5$195
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:20 am -
Nonstop1h 59m
Thu 10/15:24 pm -
Nonstop2h 20m
Deal found 8/5$196
This American Airlines deal was found by Cheapflights users on 8/8. 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 9/264:08 pm -
1 stop6h 07m
Mon 9/284:43 pm -
1 stop7h 12m
Deal found 8/8$319
This United Airlines deal was found by Cheapflights users on 8/7. 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 11/71:28 pm -
2 stops8h 45m
Wed 11/115:22 pm -
1 stop5h 35m
Deal found 8/7$324
This United Airlines deal was found by Cheapflights users on 8/8. 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 9/261:29 pm -
2 stops8h 29m
Sun 9/276:15 am -
1 stop5h 40m
Deal found 8/8$348

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 August 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$114
(Kiwi.com)

Popular in

May

Cheapest in

November

Average price

$290

Good round-trip deal

$290 or less

Good one-way deal

$140 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. 7% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 August 10, 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

Colorado SpringsPeoria

COS Colorado Springs - PIA Greater Peoria

COSPIA

Colorado Springs

Sat 9/26

1:29 pm-10:58 pm

2 stops8h 29m

Greater Peoria

Sun 9/27

6:15 am-10:55 am

1 stop5h 40m

$348

MontrosePeoria

MTJ Montrose County - PIA Greater Peoria

MTJPIA

Montrose County

Sat 9/19

2:21 pm-12:08 am

2 stops8h 47m

Greater Peoria

Sun 9/27

6:00 am-1:26 pm

2 stops8h 26m

$364

Colorado SpringsPeoria

COS Colorado Springs - PIA Greater Peoria

COSPIA

Colorado Springs

Thu 9/3

11:55 am-7:03 pm

1 stop6h 08m

Greater Peoria

Sun 9/6

8:45 am-2:32 pm

1 stop6h 47m

$382

Colorado SpringsPeoria

COS Colorado Springs - PIA Greater Peoria

COSPIA

Colorado Springs

Tue 9/1

1:03 pm-8:50 pm

1 stop6h 47m

Greater Peoria

Sat 9/5

5:45 am-10:33 am

1 stop5h 48m

$399

Colorado SpringsPeoria

COS Colorado Springs - PIA Greater Peoria

COSPIA

Colorado Springs

Sat 9/26

1:29 pm-10:58 pm

2 stops8h 29m

Greater Peoria

Mon 9/28

6:15 am-10:55 am

1 stop5h 40m

$403

Colorado SpringsPeoria

COS Colorado Springs - PIA Greater Peoria

COSPIA

Colorado Springs

Fri 9/11

1:18 pm-12:08 am

2 stops9h 50m

Greater Peoria

Wed 9/16

12:31 pm-4:29 pm

1 stop4h 58m

$405

DenverPeoria

DEN Denver Intl - PIA Greater Peoria

DENPIA

Denver Intl

Fri 8/21

5:30 pm-8:50 pm

Nonstop2h 20m

Greater Peoria

Mon 8/24

3:35 pm-9:44 pm

1 stop7h 09m

$409

DenverPeoria

DEN Denver Intl - PIA Greater Peoria

DENPIA

Denver Intl

Fri 8/21

5:30 pm-8:50 pm

Nonstop2h 20m

Greater Peoria

Sat 8/22

3:35 pm-9:44 pm

1 stop7h 09m

$409

Colorado SpringsPeoria

COS Colorado Springs - PIA Greater Peoria

COSPIA

Colorado Springs

Fri 9/25

3:54 pm-11:15 pm

1 stop6h 21m

Greater Peoria

Mon 9/28

4:43 pm-10:55 pm

1 stop7h 12m

$414

Grand JunctionPeoria

GJT Grand Junction Regnl - PIA Greater Peoria

GJTPIA

Grand Junction Regnl

Tue 1/12

1:20 pm-8:47 pm

1 stop6h 27m

Greater Peoria

Sat 1/16

1:20 pm-10:10 pm

2 stops9h 50m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/9

Showing 1-10 of 32 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

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

Currently, November is the cheapest month in which you can book a flight from Colorado to Peoria, Illinois (average of $209). Flying from Colorado to Peoria, Illinois in May is currently the most expensive (average of $424). 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 August 10, 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?

Airfare is below average for this route at the moment.
Colorado to Peoria, Illinois flights typically cost between $150 and $330 in October.
The cheapest round-trip price found within the last 5 days was $114 on Allegiant Air (Oct 29-Nov 1).

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

Booking 66 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.

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 8h 29m. United Airlines provides one of the quickest options available for as low as $348. 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 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 $59. 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 Montrose County - Greater Peoria.

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

    Consider Allegiant Air (72%), SkyWest Airlines (68%) or United Airlines (68%) 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 $242, our data shows the cheapest flight currently is $131. When looking at the most popular route, (Denver Intl - Greater Peoria), you can expect to pay $162 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, November is the cheapest month in which you can book a flight from Colorado to Peoria, Illinois (average of $209). Flying from Colorado to Peoria, Illinois in May is currently the most expensive (average of $424). 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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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 August 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$91Average$209FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$223Average$368FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$228Average$325FlexibilityNo cancel feeOn-time71%

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