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Peoria

$92+ 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
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$102
(Cheapflightsfares)

One-way from

$92
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$279

Good round-trip deal

$81 or less

Good one-way deal

$133 or less
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. 16% potential increase in price ($51 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

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.
Fri 8/156:31 pmDEN - PIA
Nonstop2h 00mAllegiant Air
Mon 8/184:16 pmPIA - DEN
Nonstop2h 25mAllegiant Air
Deal found 6/11$102
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.
Sat 6/144:51 pmDEN - PIA
1 stop5h 22mAmerican Airlines
Mon 6/164:43 pmPIA - DEN
1 stop6h 35mAmerican Airlines
Deal found 6/12$219
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 9/101:43 pmMTJ - PIA
1 stop6h 14mUnited Airlines
Tue 9/168:45 amPIA - MTJ
1 stop6h 43mUnited Airlines
Deal found 6/11$249
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.
Thu 8/145:38 pmDEN - PIA
Nonstop2h 18mUnited Airlines
Sun 8/179:00 amPIA - DEN
Nonstop2h 30mUnited Airlines
Deal found 6/10$249
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2612:01 pmCOS - PIA
1 stop4h 55mAmerican Airlines
Mon 6/304:43 pmPIA - COS
1 stop6h 39mAmerican Airlines
Deal found 6/11$259
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 9/44:30 pmGJT - PIA
1 stop5h 28mAmerican Airlines
Tue 9/96:54 amPIA - GJT
1 stop5h 58mAmerican Airlines
Deal found 6/10$325
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.
Fri 8/112:55 pmCOS - PIA
1 stop7h 01mUnited Airlines
Sun 8/36:45 amPIA - COS
1 stop5h 23mUnited Airlines
Deal found 6/11$458
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/36:13 pmDEN - PIA
2 stops19h 45mMultiple Airlines
Mon 7/712:45 pmPIA - DEN
2 stops23h 44mMultiple Airlines
Deal found 6/10$476

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, 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 8/15

6:31 pm-9:31 pm

Nonstop2h 00m

Greater Peoria

Mon 8/18

4:16 pm-5:41 pm

Nonstop2h 25m

$102

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Thu 8/14

7:50 am-3:03 pm

1 stop6h 13m

Greater Peoria

Sun 8/17

9:00 am-10:30 am

Nonstop2h 30m

$219

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Fri 8/15

1:08 pm-11:02 pm

1 stop8h 54m

Greater Peoria

Mon 8/18

5:09 pm-10:15 pm

1 stop6h 06m

$229

MontrosePeoria

MTJ - PIA

MTJPIA

Montrose County

Wed 9/10

1:43 pm-8:57 pm

1 stop6h 14m

Greater Peoria

Tue 9/16

8:45 am-2:28 pm

1 stop6h 43m

$249

Colorado SpringsPeoria

COS - PIA

COSPIA

Colorado Springs

Thu 6/26

12:01 pm-5:56 pm

1 stop4h 55m

Greater Peoria

Mon 6/30

4:43 pm-10:22 pm

1 stop6h 39m

$259

Grand JunctionPeoria

GJT - PIA

GJTPIA

Grand Junction Regnl

Thu 9/4

4:30 pm-10:58 pm

1 stop5h 28m

Greater Peoria

Tue 9/9

6:54 am-11:52 am

1 stop5h 58m

$325

Colorado SpringsPeoria

COS - PIA

COSPIA

Colorado Springs

Fri 8/1

12:55 pm-8:56 pm

1 stop7h 01m

Greater Peoria

Sun 8/3

6:45 am-11:08 am

1 stop5h 23m

$458

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Thu 7/3

6:13 pm-2:58 pm

2 stops19h 45m

Greater Peoria

Mon 7/7

12:45 pm-11:29 am

2 stops23h 44m

$476

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Fri 6/20

5:56 pm-9:00 pm

Nonstop2h 04m

$92

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Thu 6/26

4:00 pm-11:59 pm

1 stop6h 59m

$115

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 12 results
1
2

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 $438). 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, 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 June 12, 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 June 12, 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
8,790 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Crew

8.1

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
8,790 reviews
United Airlines
7.4
Good
8,790 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Crew

8.1

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
725 reviews
United Airlines
7.4
Good
8,790 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Crew

8.1

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
8,790 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Crew

8.1

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 (72%), United Airlines (72%) or Allegiant Air (55%) 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 $253, our data shows the cheapest flight currently is $46. When looking at the most popular route, (Denver Intl - Greater Peoria), you can expect to pay $102 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 $438). 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

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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, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$84Average$164FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$228Average$820FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$229Average$434FlexibilityNo cancel feeOn-time69%

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