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Peoria

$104+ 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
Jul 12 — Jul 191
Sun 7/12
Sun 7/19
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 June 12, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:20 am
DEN
-
PIA
Nonstop1h 59m
Allegiant Air
Sun 11/15:24 pm
PIA
-
DEN
Nonstop2h 20m
Allegiant Air
Deal found 6/11$104
This Mytrip deal was found by Cheapflights users on 6/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/94:24 pm
DEN
-
PIA
Nonstop2h 10m
Allegiant Air
Sun 7/1911:07 am
PIA
-
DEN
Nonstop2h 23m
Allegiant Air
Deal found 6/7$185
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:44 pm
DEN
-
PIA
1 stop5h 15m
American Airlines
Mon 8/316:48 pm
PIA
-
DEN
1 stop6h 11m
American Airlines
Deal found 6/10$239
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/134:27 pm
DEN
-
PIA
Nonstop2h 10m
Allegiant Air
Sat 8/154:14 pm
PIA
-
DEN
1 stop24h 23m
Allegiant Air
Deal found 6/8$245
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/24:23 pm
DEN
-
PIA
1 stop6h 17m
American Airlines
Thu 7/96:58 pm
PIA
-
DEN
1 stop6h 19m
American Airlines
Deal found 6/10$259
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Thu 10/297:00 am
DEN
-
PIA
1 stop12h 04m
Multiple Airlines
Sun 11/15:24 pm
PIA
-
DEN
Nonstop2h 20m
Multiple Airlines
Deal found 6/11$263
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:20 am
DEN
-
PIA
Nonstop1h 59m
Multiple Airlines
Tue 10/133:19 pm
PIA
-
DEN
2 stops33h 47m
Multiple Airlines
Deal found 6/8$280
This United Airlines deal was found by Cheapflights users on 6/7. 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 7/45:44 am
COS
-
PIA
1 stop5h 53m
United Airlines
Sat 7/181:13 pm
PIA
-
COS
2 stops9h 53m
United Airlines
Deal found 6/7$404
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 10/281:20 pm
GJT
-
PIA
1 stop6h 27m
United Airlines
Sat 10/318:50 am
PIA
-
GJT
1 stop6h 48m
United Airlines
Deal found 6/11$429
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 7/15:35 am
COS
-
PIA
1 stop5h 19m
American Airlines
Wed 7/154:43 pm
PIA
-
COS
1 stop6h 40m
American Airlines
Deal found 6/12$443
This American Airlines deal was found by Cheapflights users on 6/8. 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.
Wed 7/110:46 am
COS
-
PIA
2 stops12h 52m
American Airlines
Wed 7/84:43 pm
PIA
-
COS
1 stop6h 40m
American Airlines
Deal found 6/8$448
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 6/241:49 pm
COS
-
PIA
1 stop6h 12m
United Airlines
Sat 6/275:43 pm
PIA
-
COS
1 stop5h 12m
United Airlines
Deal found 6/10$449

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 June 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$104
(Cheapflightsfares)

Popular in

May

Cheapest in

August

Average price

$309

Good round-trip deal

$267 or less

Good one-way deal

$133 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. 15% potential increase in price ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 12, 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

Thu 7/2

5:33 pm-9:01 pm

Nonstop2h 28m

Greater Peoria

Wed 7/8

8:45 am-10:24 am

Nonstop2h 39m

$289

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Wed 7/29

5:33 pm-9:01 pm

Nonstop2h 28m

Greater Peoria

Sun 8/2

8:45 am-10:24 am

Nonstop2h 39m

$334

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Wed 7/1

5:33 pm-9:01 pm

Nonstop2h 28m

Greater Peoria

Thu 7/9

8:45 am-10:24 am

Nonstop2h 39m

$364

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Thu 7/9

6:00 am-1:57 pm

1 stop6h 57m

Greater Peoria

Sun 7/19

8:45 am-10:24 am

Nonstop2h 39m

$391

Grand JunctionPeoria

GJT - PIA

GJTPIA

Grand Junction Regnl

Wed 10/28

1:20 pm-8:47 pm

1 stop6h 27m

Greater Peoria

Sat 10/31

8:50 am-2:38 pm

1 stop6h 48m

$429

Colorado SpringsPeoria

COS - PIA

COSPIA

Colorado Springs

Wed 7/1

3:53 pm-11:38 pm

1 stop6h 45m

Greater Peoria

Wed 7/15

4:43 pm-10:23 pm

1 stop6h 40m

$443

Colorado SpringsPeoria

COS - PIA

COSPIA

Colorado Springs

Wed 6/24

1:49 pm-9:01 pm

1 stop6h 12m

Greater Peoria

Sat 6/27

5:43 pm-9:55 pm

1 stop5h 12m

$449

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Thu 7/16

5:33 pm-9:01 pm

Nonstop2h 28m

Greater Peoria

Tue 7/21

5:43 pm-11:48 pm

1 stop7h 05m

$459

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Thu 7/16

6:00 am-12:38 pm

1 stop5h 38m

Greater Peoria

Mon 7/27

5:43 pm-11:48 pm

1 stop7h 05m

$469

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Thu 9/3

5:30 pm-8:50 pm

Nonstop2h 20m

Greater Peoria

Sun 9/6

6:39 pm-11:53 pm

1 stop6h 14m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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

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

Currently, May is the cheapest month in which you can book a flight from Colorado to Peoria, Illinois (average of $63). 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 June 12, 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 June 12, 2026.

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

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

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

Booking 63 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 2h 28m. United Airlines provides one of the quickest options available for as low as $289. 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 $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 Grand Junction Regnl - Greater Peoria.

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

    Consider SkyWest Airlines (76%), United Airlines (76%) or Allegiant Air (50%) 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 $361, our data shows the cheapest flight currently is $99. When looking at the most popular route, (Denver Intl - Greater Peoria), you can expect to pay $104 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, May is the cheapest month in which you can book a flight from Colorado to Peoria, Illinois (average of $63). 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 June 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$84Average$168FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$219Average$371FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$228Average$312FlexibilityNo cancel feeOn-time71%

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