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Peoria

$69+ 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 6/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PIA
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$113
(Mytrip)

One-way from

$92
(Booking.com)

Popular in

December

Cheapest in

February

Average price

$252

Good round-trip deal

$116 or less

Good one-way deal

$128 or less
Provider with most accurate pricing for Denver Intl-Greater Peoria flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Greater Peoria flights.
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From Colorado to Greater Peoria
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One-way flight from Colorado to Greater Peoria
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Highest demand for flights based on searches. 17% potential increase in price ($55 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Colorado to Greater Peoria.
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Price to beat on a one-way flight from Colorado to Greater Peoria.
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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 May 1, 2025.

This Mytrip deal was found by Cheapflights users on 4/30. 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.
Fri 6/205:56 pmDEN - PIA
Nonstop2h 04mAllegiant Air
Mon 6/303:48 pmPIA - DEN
Nonstop2h 18mAllegiant Air
Deal found 4/30$113
This American Airlines deal was found by Cheapflights users on 4/30. 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 5/85:00 amDEN - PIA
1 stop5h 04mAmerican Airlines
Mon 5/125:05 pmPIA - DEN
1 stop7h 28mAmerican Airlines
Deal found 4/30$219
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/285:33 pmDEN - PIA
Nonstop2h 18mUnited Airlines
Wed 6/48:47 amPIA - DEN
Nonstop2h 30mUnited Airlines
Deal found 4/30$269
This Mytrip deal was found by Cheapflights users on 4/30. 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 6/1210:33 amDEN - PIA
3 stops27h 37mMultiple Airlines
Mon 6/164:00 pmPIA - DEN
Nonstop2h 18mMultiple Airlines
Deal found 4/30$362
This American Airlines deal was found by Cheapflights users on 4/29. 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 7/56:01 amCOS - PIA
1 stop8h 40mAmerican Airlines
Sat 7/124:44 pmPIA - COS
1 stop6h 32mAmerican Airlines
Deal found 4/29$365
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/243:43 pmCOS - PIA
1 stop4h 08mUnited Airlines
Wed 5/283:53 pmPIA - COS
2 stops9h 06mUnited Airlines
Deal found 4/29$394
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/2612:28 pmGJT - PIA
2 stops10h 28mAmerican Airlines
Sat 5/313:37 pmPIA - GJT
1 stop6h 21mAmerican Airlines
Deal found 4/29$459
This United Airlines deal was found by Cheapflights users on 4/30. 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 6/111:45 pmGJT - PIA
1 stop6h 06mUnited Airlines
Wed 6/186:45 amPIA - GJT
2 stops7h 01mUnited Airlines
Deal found 4/30$520
This United Airlines deal was found by Cheapflights users on 4/30. 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 6/111:35 pmMTJ - PIA
1 stop6h 16mUnited Airlines
Wed 6/185:25 pmPIA - MTJ
2 stops20h 18mUnited Airlines
Deal found 4/30$699

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 May 1, 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 6/20

5:56 pm-9:00 pm

Nonstop2h 04m

Greater Peoria

Mon 6/30

3:48 pm-5:06 pm

Nonstop2h 18m

$113

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Thu 5/8

5:00 am-11:04 am

1 stop5h 04m

Greater Peoria

Mon 5/12

5:05 pm-11:33 pm

1 stop7h 28m

$219

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Wed 5/28

5:33 pm-8:51 pm

Nonstop2h 18m

Greater Peoria

Wed 6/4

8:47 am-10:17 am

Nonstop2h 30m

$269

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Thu 6/12

10:33 am-3:10 pm

3 stops27h 37m

Greater Peoria

Mon 6/16

4:00 pm-5:18 pm

Nonstop2h 18m

$362

Colorado SpringsPeoria

COS - PIA

COSPIA

Colorado Springs

Sat 7/5

6:01 am-3:41 pm

1 stop8h 40m

Greater Peoria

Sat 7/12

4:44 pm-10:16 pm

1 stop6h 32m

$365

Colorado SpringsPeoria

COS - PIA

COSPIA

Colorado Springs

Sat 5/24

3:43 pm-8:51 pm

1 stop4h 08m

Greater Peoria

Wed 5/28

3:53 pm-11:59 pm

2 stops9h 06m

$394

Grand JunctionPeoria

GJT - PIA

GJTPIA

Grand Junction Regnl

Mon 5/19

1:40 pm-4:47 pm

2 stops26h 07m

Greater Peoria

Mon 5/26

8:47 am-12:46 pm

1 stop4h 59m

$503

MontrosePeoria

MTJ - PIA

MTJPIA

Montrose County

Thu 5/15

1:35 pm-8:51 pm

1 stop6h 16m

Greater Peoria

Mon 5/19

5:25 pm-12:35 pm

2 stops20h 10m

$699

Grand JunctionPeoria

GJT - PIA

GJTPIA

Grand Junction Regnl

Mon 5/26

5:49 am-3:04 pm

1 stop8h 15m

Greater Peoria

Sat 5/31

3:37 pm-8:58 pm

1 stop6h 21m

$836

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Fri 6/20

5:56 pm-9:00 pm

Nonstop2h 04m

$69

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 13 results
1
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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, August is the cheapest month in which you can book a flight from Colorado to Peoria, Illinois (average of $318). Flying from Colorado to Peoria, Illinois in July is currently the most expensive (average of $441). 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 May 1, 2025.

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 May 1, 2025.

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).

Rainfall in Peoria by month

Plan your trip to Peoria by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Peoria, Illinois ranges from 1.8 - 4.3 inches per month. May is typically the wettest month, when rainfall can reach 4.3 in. January is typically the driest time to visit Peoria, Illinois when rainfall is around 1.8 in.

Temperature in Peoria by month

Plan your trip to Peoria by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Peoria, Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Reviews of airlines servicing Peoria

Get insights into the airlines that provide service to Peoria. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Peoria. Reviews last updated May 1, 2025.
Read reviews from past customers who have flown United Airlines, Allegiant Air and American Airlines from Colorado to Peoria. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,696 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,696 reviews
United Airlines
7.4
Good
8,696 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
Allegiant Air
7.3
Good
734 reviews
United Airlines
7.4
Good
8,696 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,696 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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.

  • 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 $92. 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 (91%), United Airlines (91%) or Allegiant Air (72%) 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 $166, our data shows the cheapest flight currently is $78. When looking at the most popular route, (Denver Intl - Greater Peoria), you can expect to pay $86 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, August is the cheapest month in which you can book a flight from Colorado to Peoria, Illinois (average of $318). Flying from Colorado to Peoria, Illinois in July is currently the most expensive (average of $441). 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$86Average$165FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$229Average$385FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$238Average$822FlexibilityNo cancel feeOn-time71%

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