What airlines fly to Colorado?

United Airlines, American Airlines and Allegiant Air are the top three most popular airlines that fly to Colorado from Peoria, Illinois according to our data. United Airlines is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 3 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

How many flights depart from Peoria, Illinois to Colorado on average per week?

As of March 2026, 6 flights take off from Peoria, Illinois and land in Colorado each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

What is the cheapest airline that flies from Greater Peoria to Colorado?

American Airlines and United Airlines are the most popular carriers operating from Greater Peoria to Colorado

When did momondo last update prices for flights from Greater Peoria Airport to Colorado?

Prices for flights from Greater Peoria Airport to Colorado are updated daily.

How many operators does momondo search for flights from Greater Peoria Airport to Colorado?

The number of operators available for flights from Greater Peoria Airport to Colorado is 3 as of March 2026.

How old do you have to be to fly from Greater Peoria Airport to Colorado?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Greater Peoria Airport to Colorado.

What documentation or ID do you need to fly to Colorado?

The required travel and health documents for your Colorado trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Colorado. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$115 Cheap Flights from Peoria to Colorado in 2026

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Find the cheapest flights from Peoria, Illinois to Colorado

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:09 am - 12:32 pm

PIA

DEN

2h 23mnonstop

4:24 pm - 7:30 pm

DEN

PIA

2h 06mnonstop

$212Allegiant Air

Sun, May 31 - Thu, Jun 4

5:13 pm - 6:36 pm

PIA

DEN

2h 23mnonstop

4:24 pm - 7:30 pm

DEN

PIA

2h 06mnonstop

$220Allegiant Air

Thu, May 28 - Thu, Jun 4

11:07 am - 12:34 pm

PIA

DEN

2h 27mnonstop

4:50 pm - 7:56 pm

DEN

PIA

2h 06mnonstop

$266Allegiant Air

Sun, Jun 7 - Thu, Jun 11

5:23 pm - 6:48 pm

PIA

DEN

2h 25mnonstop

4:27 pm - 7:37 pm

DEN

PIA

2h 10mnonstop

$269Allegiant Air

Thu, Aug 6 - Sun, Aug 9

1:33 pm - 3:59 am

PIA

DEN

15h 26m

1 stop

6:20 am - 9:38 am

DEN

PIA

26h 18m

2 stops

$273Multiple Airlines

Mon, Apr 20 - Fri, Apr 24

11:07 am - 12:34 pm

PIA

DEN

2h 27mnonstop

4:50 pm - 7:56 pm

DEN

PIA

2h 06mnonstop

$277Allegiant Air

Thu, Jun 11 - Sun, Jun 14

7:43 pm - 11:59 pm

PIA

DEN

5h 16m

1 stop

5:55 pm - 9:19 pm

DEN

PIA

2h 24mnonstop

$279United Airlines

Thu, Apr 16 - Sat, Apr 18

7:43 pm - 12:58 am

PIA

DEN

6h 15m

1 stop

6:00 am - 12:36 pm

DEN

PIA

5h 36m

1 stop

$289United Airlines

Thu, Apr 16 - Sun, Apr 19

5:40 pm - 11:32 pm

PIA

COS

6h 52m

1 stop

5:40 am - 11:42 am

COS

PIA

5h 02m

1 stop

$329American Airlines

Sat, May 2 - Sat, May 9

4:48 pm - 5:56 pm

PIA

COS

26h 08m

1 stop

2:37 pm - 11:28 am

COS

PIA

43h 51m

2 stops

$373Multiple Airlines

Sat, Apr 11 - Fri, Apr 17

Allegiant Air flights from Peoria, Illinois to Colorado

Our best Allegiant Air deals on Peoria, Illinois to Colorado flight tickets

Allegiant Air

May 31

PIA11:09 amGreater Peoria

2h 23m

DEN12:32 pmDenver Intl

Jun 4

DEN4:24 pmDenver Intl

2h 06m

PIA7:30 pmGreater Peoria

$212

Allegiant Air

May 28

PIA5:13 pmGreater Peoria

2h 23m

DEN6:36 pmDenver Intl

Jun 4

DEN4:24 pmDenver Intl

2h 06m

PIA7:30 pmGreater Peoria

$220

Allegiant Air

Jun 7

PIA11:07 amGreater Peoria

2h 27m

DEN12:34 pmDenver Intl

Jun 11

DEN4:50 pmDenver Intl

2h 06m

PIA7:56 pmGreater Peoria

$266

American Airlines flights from Peoria, Illinois to Colorado

Our best American Airlines deals on Peoria, Illinois to Colorado flight tickets

American Airlines

Apr 10

PIA7:05 pmGreater Peoria

5h 54m

1 stop

DEN11:59 pmDenver Intl

Apr 12

DEN6:19 amDenver Intl

5h 33m

1 stop

PIA12:52 pmGreater Peoria

$309

American Airlines

Apr 3

PIA1:17 pmGreater Peoria

5h 00m

1 stop

DEN5:17 pmDenver Intl

Apr 5

DEN7:00 amDenver Intl

4h 47m

1 stop

PIA12:47 pmGreater Peoria

$329

American Airlines

Apr 2

PIA1:17 pmGreater Peoria

5h 00m

1 stop

DEN5:17 pmDenver Intl

Apr 5

DEN7:00 amDenver Intl

4h 47m

1 stop

PIA12:47 pmGreater Peoria

$364

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Sun 5/31

11:09 am-12:32 pm

Nonstop2h 23m

Denver Intl

Thu 6/4

4:24 pm-7:30 pm

Nonstop2h 06m

$212

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Thu 5/28

5:13 pm-6:36 pm

Nonstop2h 23m

Denver Intl

Thu 6/4

4:24 pm-7:30 pm

Nonstop2h 06m

$220

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Sun 6/7

11:07 am-12:34 pm

Nonstop2h 27m

Denver Intl

Thu 6/11

4:50 pm-7:56 pm

Nonstop2h 06m

$266

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Thu 8/6

5:23 pm-6:48 pm

Nonstop2h 25m

Denver Intl

Sun 8/9

4:27 pm-7:37 pm

Nonstop2h 10m

$269

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Mon 4/20

1:33 pm-3:59 am

1 stop15h 26m

Denver Intl

Fri 4/24

6:20 am-9:38 am

2 stops26h 18m

$273

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Thu 6/11

11:07 am-12:34 pm

Nonstop2h 27m

Denver Intl

Sun 6/14

4:50 pm-7:56 pm

Nonstop2h 06m

$277

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Thu 4/16

7:43 pm-11:59 pm

1 stop5h 16m

Denver Intl

Sat 4/18

5:55 pm-9:19 pm

Nonstop2h 24m

$279

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Thu 4/16

7:43 pm-12:58 am

1 stop6h 15m

Denver Intl

Sun 4/19

6:00 am-12:36 pm

1 stop5h 36m

$289

PeoriaColorado Springs

PIA - COS

PIACOS

Greater Peoria

Sat 5/2

5:40 pm-11:32 pm

1 stop6h 52m

Colorado Springs

Sat 5/9

5:40 am-11:42 am

1 stop5h 02m

$329

PeoriaColorado Springs

PIA - COS

PIACOS

Greater Peoria

Sat 4/11

4:48 pm-5:56 pm

1 stop26h 08m

Colorado Springs

Fri 4/17

2:37 pm-11:28 am

2 stops43h 51m

$373

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Peoria, Illinois to Colorado

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Colorado?

The month of October is, on average, the cheapest month to fly to Colorado from Peoria, Illinois, with most prices found around $223. The month of August is another great option to travel to Colorado, with average flight prices from Peoria, Illinois averaging around $228.

What is the cheapest day to depart on your flight to Colorado?

The cheapest day to depart from Peoria, Illinois to Colorado is on a Friday when prices can be found for as low as $285. On the other hand, Sunday is the most expensive day to depart from Peoria, Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $488.

What is the cheapest time of day to depart on your flight to Colorado?

The cheapest time of day to fly to Colorado is in the afternoon when flights can be purchased for as low as $154. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $437 per ticket.

What is the cheapest Greater Peoria to Colorado flight route?

Fly from Greater Peoria to Denver Intl for the best Greater Peoria - Colorado flight prices

How far in advance should I book a flight to Colorado?

You are more likely to see cheaper flights to Colorado from Peoria, Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $299 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Peoria, Illinois for as low as $149 on momondo.

What cabin class options are available on Greater Peoria to Colorado flights?

There are 3 cabin classes available to choose from on Greater Peoria to Colorado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Peoria, Illinois to Colorado flights?

No. A direct flight is the cheapest option for a flight between Peoria, Illinois to Colorado.

Cheap Peoria, Illinois to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Peoria, Illinois to Colorado

Best Price Found	$270
Fastest flight time	2h 05m
Direct flights	Every day
Airports in Colorado	87 airports

The best one-way flight to Colorado from Peoria, Illinois in the past 72 hours is $270. The best round-trip flight deal from Peoria, Illinois to Colorado found on momondo in the last 72 hours is $327.

The fastest flight from Peoria, Illinois to Colorado takes 2h 05m

Direct flights go from Peoria, Illinois to Colorado every day.

There are 87 airports in Colorado. From Peoria, Illinois there are direct flights to Denver Intl (DEN).

Search flight deals

When did momondo last update prices for flights from Greater Peoria Airport to Colorado?
Prices for flights from Greater Peoria Airport to Colorado are updated daily.
How many operators does momondo search for flights from Greater Peoria Airport to Colorado?
The number of operators available for flights from Greater Peoria Airport to Colorado is 3 as of March 2026.
How old do you have to be to fly from Greater Peoria Airport to Colorado?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Greater Peoria Airport to Colorado.
What documentation or ID do you need to fly to Colorado?
The required travel and health documents for your Colorado trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Colorado. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Peoria, Illinois to Colorado?
Based on momondo bookings for flights between Peoria, Illinois and Colorado, the leading plane model is Embraer 175 (Enhanced Winglets), making up 70.30% of the total bookings. Other popular models include Airbus A320-100/200 with 11.88%, Airbus A319 with 2.97%, and Boeing 737 MAX 8 with 1.98%.

Best airlines flying from Peoria, Illinois to Colorado

Compare and see reviews for airlines that fly from Peoria, Illinois to Colorado with momondo

Airline	Rating	Free Cancellation	Price
Allegiant Air	PriceFrom $55	Free Cancellation	Rating 7.3 710 reviews	Search Allegiant Air flights
United Airlines	PriceFrom $219	Free Cancellation	Rating 7.4 9,478 reviews	Search United Airlines flights
American Airlines	PriceFrom $228	Free Cancellation	Rating 7.1 11,494 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Peoria to Colorado?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Colorado from Peoria.

Can I find flights from Peoria to Colorado with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Colorado from Peoria with this policy.

How can momondo help me find flights from Peoria to Colorado?

momondo helps you find the best flight between Peoria and Colorado by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Peoria to Colorado right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Peoria to Colorado now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Colorado and let you know when they change.

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Popular cities in Colorado

Flights to New Yorkfrom $66

Flights to Los Angelesfrom $60

Flights to Orlandofrom $49

Flights to Miamifrom $45

Flights to Chicagofrom $68

Flights to San Franciscofrom $77

Flights to Las Vegasfrom $41

Flights to Washington, D.C.from $59

Flights to Bostonfrom $65

Flights to Atlantafrom $53

Flights to Dallasfrom $62

Flights to Seattlefrom $104

Cheap flights from Peoria, Illinois to Colorado from $115

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Peoria, Illinois to Colorado departing on 4/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Allegiant Air flights from Peoria, Illinois to Colorado

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How to get the cheapest flight ticket from Peoria, Illinois to Colorado

What is the cheapest month to fly to Colorado?

What is the cheapest day to depart on your flight to Colorado?

What is the cheapest time of day to depart on your flight to Colorado?

What is the cheapest Greater Peoria to Colorado flight route?

How far in advance should I book a flight to Colorado?

What cabin class options are available on Greater Peoria to Colorado flights?

Can stopping save me money on Peoria, Illinois to Colorado flights?

What is the cheapest airline that flies from Greater Peoria to Colorado?

What airlines fly to Colorado?

How many flights depart from Peoria, Illinois to Colorado on average per week?

Cheap Peoria, Illinois to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Peoria, Illinois to Colorado

Best Price Found

Fastest flight time

Direct flights

Airports in Colorado

Best airlines flying from Peoria, Illinois to Colorado

Compare and see reviews for airlines that fly from Peoria, Illinois to Colorado with momondo

Why use momondo?

An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Colorado

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