Peoria

$148+ Cheap flights from Colorado to Peoria, IL (PIA)

DEN — PIA
Dec 8 — Dec 151
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Cheap flight deals from Colorado to Peoria

Cheapest flights from Colorado to Peoria

Tue 12/15:25 pm -
Nonstop2h 21m
Tue 12/88:40 am -
Nonstop2h 54m
Deal found 11/3$339
Tue 12/18:20 am -
1 stop7h 48m
Tue 12/812:25 pm -
1 stop8h 29m
Deal found 11/3$359
Thu 12/37:33 am -
1 stop7h 15m
Sun 12/64:47 pm -
1 stop8h 03m
Deal found 11/5$369
Thu 12/33:12 pm -
1 stop4h 48m
Sun 12/68:40 am -
Nonstop2h 54m
Deal found 11/5$371
Thu 12/311:15 am -
1 stop5h 43m
Thu 12/108:40 am -
Nonstop2h 54m
Deal found 11/5$377
Sat 11/214:48 pm -
1 stop5h 25m
Wed 11/255:30 pm -
1 stop5h 18m
Deal found 11/3$379
Sat 11/216:10 pm -
1 stop4h 54m
Wed 11/255:43 pm -
1 stop6h 21m
Deal found 11/4$389
Mon 12/73:11 pm -
2 stops8h 04m
Mon 12/146:04 pm -
1 stop5h 53m
Deal found 11/7$394
Thu 11/195:45 pm -
Nonstop2h 21m
Mon 11/238:15 am -
1 stop7h 35m
Deal found 11/4$399
Wed 11/181:20 pm -
2 stops8h 53m
Sun 11/225:35 pm -
1 stop5h 22m
Deal found 11/3$504
Wed 11/44:56 pm -
1 stop5h 13m
Wed 11/114:43 pm -
1 stop6h 51m
Deal found 11/3$507
Wed 11/41:47 pm -
2 stops8h 26m
Wed 11/118:41 am -
1 stop5h 04m
Deal found 11/3$512

Find flight deals from Colorado to Peoria

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$339
(United Airlines)

One-way from

$148
(Kiwi.com)

Popular in

May

Cheapest in

December

Average price

$350

Good round-trip deal

$201 or less

Good one-way deal

$213 or less
Provider with most accurate pricing for Denver Intl-Greater Peoria flight deals.
Provider most trusted by Cheapflights users for Denver Intl-Greater Peoria flights.
From Colorado to Greater Peoria
One-way flight from Colorado to Greater Peoria
Highest demand for flights based on searches. 1% potential increase in price ($4 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from Colorado to Greater Peoria.
Price to beat on a one-way flight from Colorado to Greater Peoria.

Cheapflights Fare Finder

 
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

Thu 12/24

9:10 pm-7:21 pm

1 stop21h 11m

Greater Peoria

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$161

DenverPeoria

DEN Denver Intl - PIA Greater Peoria

DENPIA

Denver Intl

Sat 1/16

9:35 am-8:11 am

2 stops21h 36m

Greater Peoria

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$178

DenverPeoria

DEN Denver Intl - PIA Greater Peoria

DENPIA

Denver Intl

Thu 12/24

3:18 pm-11:17 pm

1 stop6h 59m

Greater Peoria

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$185

DenverPeoria

DEN Denver Intl - PIA Greater Peoria

DENPIA

Denver Intl

Wed 12/23

10:44 pm-8:23 pm

1 stop20h 39m

Greater Peoria

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$189

DenverPeoria

DEN Denver Intl - PIA Greater Peoria

DENPIA

Denver Intl

Mon 11/23

6:11 pm-12:04 am

1 stop4h 53m

Greater Peoria

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$205

DenverPeoria

DEN Denver Intl - PIA Greater Peoria

DENPIA

Denver Intl

Tue 12/29

6:18 pm-12:15 am

1 stop4h 57m

Greater Peoria

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$224

DenverPeoria

DEN Denver Intl - PIA Greater Peoria

DENPIA

Denver Intl

Tue 11/24

6:00 am-1:53 pm

1 stop6h 53m

Greater Peoria

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$264

Colorado SpringsPeoria

COS Colorado Springs - PIA Greater Peoria

COSPIA

Colorado Springs

Tue 12/22

10:22 am-6:29 pm

1 stop7h 07m

Greater Peoria

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$272

Colorado SpringsPeoria

COS Colorado Springs - PIA Greater Peoria

COSPIA

Colorado Springs

Wed 12/23

6:17 pm-5:06 pm

1 stop21h 49m

Greater Peoria

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$276

HaydenPeoria

HDN Hayden Yampa Valley - PIA Greater Peoria

HDNPIA

Hayden Yampa Valley

Mon 12/7

7:15 am-5:58 pm

2 stops9h 43m

Greater Peoria

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 36 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

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, December is the cheapest month in which you can book a flight from Colorado to Peoria, Illinois (average of $284). 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?

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

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).

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

Airfare is typical for this route at the moment.
Colorado to Peoria, Illinois flights typically cost between $146 and $364 in December.
The cheapest round-trip price found within the last 5 days was $339 on United Airlines (Dec 1-Dec 8).

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

Booking 64 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

  • 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?

  • How long is the flight from Colorado to Peoria, Illinois?

    A quick flight from Colorado to Peoria, Illinois can take about 2h 21m. United Airlines provides one of the quickest options available for as low as $349. 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 $74. 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?

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

    Consider SkyWest Airlines (90%), United Airlines (90%) or Allegiant Air (82%) 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 $322, our data shows the cheapest flight currently is $104. When looking at the most popular route, (Denver Intl - Greater Peoria), you can expect to pay $368 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, December is the cheapest month in which you can book a flight from Colorado to Peoria, Illinois (average of $284). 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.

See more FAQs

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Alternative routes for Colorado to Peoria

Top 3 airlines flying from Colorado to Peoria

AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$100Average$232FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$228Average$373FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$253Average$389FlexibilityNo cancel feeOn-time69%

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