HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Colorado

$64+ Cheap flights from Peoria, IL (PIA) to Colorado

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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — DEN
abr. 2 — abr. 91
mié. 4/2
mié. 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Peoria to Colorado 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 Peoria to Colorado

Keep the following information in mind while searching for Peoria to Colorado flight deals. Data was last updated marzo 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$92
(Cheapflightsfares)

One-way from

$64
(Cheapflightsfares)

Popular in

October

Cheapest in

January

Average price

$285

Good round-trip deal

$251 or less

Good one-way deal

$249 or less
Provider with most accurate pricing for Greater Peoria-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greater Peoria-Denver Intl flights.
Search Deals
From Greater Peoria to Colorado
Search Deals
One-way flight from Greater Peoria to Colorado
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals
Price to beat on a round-trip flight from Greater Peoria to Colorado.
Search Deals
Price to beat on a one-way flight from Greater Peoria to Colorado.
Search Deals

Find flight deals from Peoria to Colorado

Cheapest flights from Peoria to Colorado
Explore the most affordable flight options available from Peoria to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/26. 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.
lun. 5/2610:09 amPIA - DEN
Nonstop2h 25mAllegiant Air
vie. 5/3012:24 pmDEN - PIA
Nonstop2h 00mAllegiant Air
Deal found 3/26$92
This Mytrip deal was found by Cheapflights users on 3/27. 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.
vie. 5/23:08 pmPIA - DEN
Nonstop2h 19mMultiple Airlines
dom. 5/48:30 amDEN - PIA
2 stops28h 48mMultiple Airlines
Deal found 3/27$217
This United Airlines deal was found by Cheapflights users on 3/26. 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.
vie. 5/25:25 pmPIA - DEN
1 stop6h 47mUnited Airlines
vie. 5/95:29 pmDEN - PIA
Nonstop2h 22mUnited Airlines
Deal found 3/26$219
This American Airlines deal was found by Cheapflights users on 3/26. 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.
sáb. 5/310:48 amPIA - DEN
1 stop7h 52mAmerican Airlines
sáb. 5/106:15 amDEN - PIA
1 stop8h 33mAmerican Airlines
Deal found 3/26$229
This United Airlines deal was found by Cheapflights users on 3/26. 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.
mar. 10/285:15 pmPIA - COS
2 stops7h 44mUnited Airlines
mié. 11/55:30 amCOS - PIA
2 stops7h 11mUnited Airlines
Deal found 3/26$309
This United deal was found by Cheapflights users on 3/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/88:50 amPIA - MTJ
1 stop4h 45mUnited Airlines
lun. 5/121:35 pmMTJ - PIA
1 stop6h 16mUnited Airlines
Deal found 3/27$379
This American Airlines deal was found by Cheapflights users on 3/27. 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.
lun. 6/96:26 pmPIA - COS
1 stop18h 05mAmerican Airlines
vie. 6/1312:01 pmCOS - PIA
1 stop20h 43mAmerican Airlines
Deal found 3/27$451

Cheapflights Fare Finder

Customize your flight search to find flights from Peoria to Colorado 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 marzo 28, 2025.
Use the filters below to find and compare flights from Peoria to Colorado that are best for you.

Fly from

Peoria

Fly to

Colorado

Route

Depart

Return

Price

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

lun. 5/26

10:09 am-11:34 am

Nonstop2h 25m

Denver Intl

vie. 5/30

12:24 pm-3:24 pm

Nonstop2h 00m

$92

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

vie. 5/2

3:08 pm-4:27 pm

Nonstop2h 19m

Denver Intl

dom. 5/4

8:30 am-2:18 pm

2 stops28h 48m

$217

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

vie. 5/2

5:25 pm-11:12 pm

1 stop6h 47m

Denver Intl

dom. 5/4

5:29 pm-8:51 pm

Nonstop2h 22m

$219

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

sáb. 5/3

10:48 am-5:40 pm

1 stop7h 52m

Denver Intl

sáb. 5/10

6:15 am-3:48 pm

1 stop8h 33m

$229

PeoriaColorado Springs

PIA - COS

PIACOS

Greater Peoria

sáb. 5/10

8:50 am-2:38 pm

1 stop6h 48m

Colorado Springs

sáb. 5/17

12:10 pm-9:33 pm

2 stops8h 23m

$249

PeoriaMontrose

PIA - MTJ

PIAMTJ

Greater Peoria

jue. 5/8

8:50 am-12:35 pm

1 stop4h 45m

Montrose County

lun. 5/12

1:35 pm-8:51 pm

1 stop6h 16m

$379

PeoriaColorado Springs

PIA - COS

PIACOS

Greater Peoria

lun. 6/9

6:26 pm-11:31 am

1 stop18h 05m

Colorado Springs

vie. 6/13

12:01 pm-9:44 am

1 stop20h 43m

$451

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

vie. 4/4

3:08 pm-4:27 pm

Nonstop2h 19m

$64

PeoriaColorado Springs

PIA - COS

PIACOS

Greater Peoria

sáb. 4/26

10:48 am-6:05 pm

1 stop8h 17m

$201

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

dom. 7/13

9:00 am-10:30 am

Nonstop2h 30m

$224

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 13 results
1
2

Best time to book a flight from Peoria to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Peoria 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 Peoria to Colorado

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

Currently, October is the cheapest month in which you can book a flight from Peoria, Illinois to Colorado (average of $197). Flying from Peoria, Illinois to Colorado in March is currently the most expensive (average of $278). 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 PIA to CO?

Find hourly flight availability from Peoria to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated marzo 28, 2025.

When flying from Peoria, Illinois to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Colorado by month

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

In terms of precipitation, rainfall in Colorado ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Colorado when rainfall is around 0.5 in.

Temperature in Colorado by month

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

If weather is an important factor for your trip to Colorado, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated marzo 28, 2025.
Read reviews from past customers who have flown United Airlines, Allegiant Air and American Airlines from Peoria to Colorado. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,603 reviews

Boarding

7.7

Entertainment

7.0

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2024

EWR - DEN

Terribly delayed flight, missed ongoing flight, hotel very downmarket Food voucher not accepted in hotel
United Airlines
7.4
Good
8,603 reviews
United Airlines
7.4
Good
8,603 reviews

Boarding

7.7

Entertainment

7.0

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2024

EWR - DEN

Terribly delayed flight, missed ongoing flight, hotel very downmarket Food voucher not accepted in hotel
Allegiant Air
7.3
Good
731 reviews
United Airlines
7.4
Good
8,603 reviews

Boarding

7.7

Entertainment

7.0

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2024

EWR - DEN

Terribly delayed flight, missed ongoing flight, hotel very downmarket Food voucher not accepted in hotel
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,603 reviews

Boarding

7.7

Entertainment

7.0

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2024

EWR - DEN

Terribly delayed flight, missed ongoing flight, hotel very downmarket Food voucher not accepted in hotel

Related info for your journey

Find useful and relevant information for your journey from Peoria to Colorado. 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 from for flights from Peoria to Colorado?

    Most people fly from Greater Peoria (PIA) if they book a flight from Peoria to Colorado. Greater Peoria is conveniently located just 6.0 mi from Peoria’s city center.

  • How popular is this Peoria, Illinois to Colorado flight route?

    This flight path from Greater Peoria to Colorado was viewed by 4 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Peoria, Illinois to Colorado one-way?

    The cheapest airline one-way is Allegiant Air, with whom users have recently found tickets for as low as $64. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Peoria, Illinois to Colorado for a low price.

  • What are the most popular routes from Peoria, Illinois to Colorado?

    Most travelers choose Greater Peoria - Denver Intl, Greater Peoria - Colorado Springs or Greater Peoria - Montrose County when deciding on the best route from Peoria, Illinois to Colorado.

  • What are the cheapest flights from Peoria, Illinois to Colorado?

    While on average a flight from Peoria, Illinois to Colorado is generally $710, our data shows the cheapest flight currently is $69. When looking at the most popular route, (Greater Peoria - Denver Intl), you can expect to pay $92 for that flight.

  • Can I find deals for flights from Peoria to Colorado that include hotel bookings?

    Yes. In addition to deals on Peoria to Colorado flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Peoria to Colorado?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Peoria to Colorado.

  • Can I find deals for business class flights from Peoria to Colorado?

    Yes. Cheapflights offers flight deals from Peoria to Colorado 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 Peoria, Illinois to Colorado?

    Currently, October is the cheapest month in which you can book a flight from Peoria, Illinois to Colorado (average of $197). Flying from Peoria, Illinois to Colorado in March is currently the most expensive (average of $278). 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 Peoria to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Las Vegas flights
O'Hare Intl to Fort Lauderdale flights
O'Hare Intl to John F Kennedy Intl flights
O'Hare Intl to Newark flights
O'Hare Intl to Sky Harbor Intl flights
O'Hare Intl to Miami flights
O'Hare Intl to Orlando flights
O'Hare Intl to LaGuardia flights
O'Hare Intl to Dallas/Fort Worth flights
O'Hare Intl to Los Angeles flights
O'Hare Intl to Seattle flights
O'Hare Intl to New Orleans flights
O'Hare Intl to Atlanta flights
O'Hare Intl to Boston flights
Midway to Newark flights
O'Hare Intl to Baltimore flights
Midway to John F Kennedy Intl flights
O'Hare Intl to San Francisco flights
O'Hare Intl to San Diego flights
O'Hare Intl to Nashville flights
O'Hare Intl to Denver flights
O'Hare Intl to Honolulu flights
Midway to Las Vegas flights
O'Hare Intl to Philadelphia flights
O'Hare Intl to Dulles Intl flights
Midway to Dallas/Fort Worth flights
O'Hare Intl to Fort Myers flights
O'Hare Intl to Reagan-National flights
Midway to Atlanta flights
O'Hare Intl to Tampa flights
St. Louis to Seattle flights
Midway to Miami flights
O'Hare Intl to Austin flights
O'Hare Intl to Santa Ana flights
O'Hare Intl to Ontario flights
Midway to Seattle flights
O'Hare Intl to Charleston flights
Midway to LaGuardia flights
St. Louis to Las Vegas flights
Midway to Los Angeles flights
O'Hare Intl to Hobby flights
O'Hare Intl to Salt Lake City flights
O'Hare Intl to Portland flights
O'Hare Intl to Burbank flights
O'Hare Intl to Raleigh flights
O'Hare Intl to Charlotte flights
Midway to San Francisco flights
Midway to Orlando flights
O'Hare Intl to Love Field flights
Midway to Hobby flights

Top 3 airlines flying from Peoria to Colorado

Discover the top 3 airlines that operate flights from Peoria to Colorado. 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 marzo 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$91Average$162FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$208Average$357FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$209Average$371FlexibilityNo 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.