$154 Find Cheap Flights from Peoria to Colorado

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Peoria to Colorado departing on 3/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Colorado

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Peoria to Colorado, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Peoria to Colorado, as well as popular online travel agencies
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Cheap Flights from Peoria to Colorado

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Denver
Denver1 stop$219
Grand Junction
Grand Junction2 stops$369
Montrose
Montrose2 stops$244
Denver
Denver1 stop$219
Grand Junction
Grand Junction2 stops$369
Montrose
Montrose2 stops$244

Book Cheap Peoria to Colorado Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Peoria to Colorado that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Peoria to Colorado

Thu, Apr 2 - Tue, Apr 7
United Airlines Logo
7:33 pm - 12:58 am
PIA
-
DEN
6h 25m
1 stop
United Airlines Logo
5:55 pm - 9:19 pm
DEN
-
PIA
2h 24mnonstop
$219United Airlines
Thu, Apr 2 - Tue, Apr 7
United Airlines Logo
8:50 am - 10:33 am
PIA
-
DEN
2h 43mnonstop
United Airlines Logo
5:55 pm - 9:19 pm
DEN
-
PIA
2h 24mnonstop
$226United Airlines
Fri, Apr 10 - Sat, Apr 11
American Airlines Logo
5:40 pm - 9:59 pm
PIA
-
DEN
5h 19m
1 stop
American Airlines Logo
5:30 am - 11:42 am
DEN
-
PIA
5h 12m
1 stop
$229American Airlines
Thu, Apr 9 - Mon, Apr 13
United Airlines Logo
8:50 am - 10:33 am
PIA
-
DEN
2h 43mnonstop
United Airlines Logo
6:00 am - 2:08 pm
DEN
-
PIA
7h 08m
1 stop
$236United Airlines
Thu, Apr 16 - Fri, May 1
United Airlines Logo
8:50 am - 10:33 am
PIA
-
DEN
2h 43mnonstop
United Airlines Logo
6:00 am - 12:57 pm
DEN
-
PIA
5h 57m
1 stop
$237United Airlines
Tue, Mar 17 - Tue, Mar 24
United Airlines Logo
5:25 pm - 9:55 pm
PIA
-
DEN
5h 30m
1 stop
United Airlines Logo
5:27 pm - 8:39 pm
DEN
-
PIA
2h 12mnonstop
$242United Airlines
Tue, Apr 28 - Tue, May 5
United Airlines Logo
10:40 am - 8:20 pm
PIA
-
MTJ
10h 40m
2 stops
United Airlines Logo
1:43 pm - 9:19 pm
MTJ
-
PIA
6h 36m
1 stop
$244United Airlines
Fri, Apr 10 - Mon, Apr 13
United Airlines Logo
7:33 pm - 11:44 pm
PIA
-
DEN
5h 11m
1 stop
United Airlines Logo
6:00 am - 2:08 pm
DEN
-
PIA
7h 08m
1 stop
$246United Airlines
Tue, Jun 9 - Tue, Jun 16
United Airlines Logo
8:20 am - 2:55 pm
PIA
-
DEN
7h 35m
1 stop
United Airlines Logo
6:00 am - 12:46 pm
DEN
-
PIA
5h 46m
1 stop
$247United Airlines
Thu, Mar 12 - Tue, Mar 17
American Airlines Logo
6:50 pm - 10:37 pm
PIA
-
DEN
4h 47m
1 stop
American Airlines Logo
5:58 pm - 11:25 pm
DEN
-
PIA
4h 27m
1 stop
$249American Airlines
Booking Insights

KAYAK's insights & trends for Peoria to Colorado flights

Get data-powered insights and trends into flights from Peoria to Colorado to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Peoria, Illinois to Colorado?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Peoria, Illinois to Colorado departing in April.

What is the cheapest Peoria to Colorado flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Colorado from Peoria found in the last 72 hours was to Denver, at $277 round-trip. The most popular route is from Peoria (PIA) to Denver (DEN), and the cheapest round-trip airline ticket found on this route in the last 72 hours was $277.

Can I save money by flying with a layover from Peoria to Colorado?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $443, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Peoria to Colorado?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Peoria to Colorado, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Peoria to Colorado is October, when tickets cost $223 (return) on average. On the other hand, the most expensive months are July and May, when the average cost of round-trip tickets is $358 and $326 respectively.

What’s the cheapest day of the week to fly from Peoria to Colorado?

The average price of all round-trip flights from Peoria to Colorado clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Colorado on a Friday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Peoria to Colorado. For your return ticket, we recommend flying on a Friday and avoiding Tuesdays for the best deals.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Peoria to Colorado, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Peoria to Colorado, you should book around 3 weeks before departure, which saves you about 34% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

Good to know

Low seasonFebruary
Cheapest flight$154
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly with an average 1% increase in price.
Flight from Peoria to Denver

FAQs - booking Colorado flights

  • How does KAYAK find such low prices on flights from Peoria to Colorado?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Peoria to Colorado.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Peoria to Colorado?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Peoria to Colorado is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Peoria to Colorado?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Peoria to Colorado with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Peoria to Colorado?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Peoria to Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Colorado?

    The cheapest time of day to fly to Colorado is generally in the evening, when round-trip flights cost $154 on average. Morning departures are around 185% more expensive than evening flights, on average. The most expensive time of day to fly to Colorado is generally in the morning, which is peak travel time and where the average cost of a ticket is $440.

Top tips for finding cheap flights to Colorado

  • Looking for a cheap flight? 25% of our users found tickets from Peoria to the following destinations at these prices or less: Denver $308 one-way - $367 round-trip

Reviews of the top 3 airlines serving from Peoria to Colorado

 
See real verified KAYAK customer reviews for airlines flying from Peoria to Colorado. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Peoria to Colorado? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9345 reviews
7.1Entertainment
6.6Food
7.3Comfort
7.7Boarding
8.1Crew
Airline reviews

Women boarding passengers at the gate was absolutely rude and disrespectful of passengers. The flight attendant was absolutely delightful! Smiling and connected with the passengers. So happy. The seats are cramped and uncomfortable but I guess that’s just the way it is Communication regarding flight was excellent

8.0 ExcellentMaureen, Feb 2026
SMF - DEN
Read more United Airlines reviews

Women boarding passengers at the gate was absolutely rude and disrespectful of passengers. The flight attendant was absolutely delightful! Smiling and connected with the passengers. So happy. The seats are cramped and uncomfortable but I guess that’s just the way it is Communication regarding flight was excellent

As great a red-eye flight as red-eye flights can be.

Both of my flights arrived early and check in process was smooth

Everything was on time Will use united again for sure

The flight was delayed by two de-icings. The seatbelt did not work correctly. It did not stay tight.

Hotter than Hades in August. Why, why do crews think that in the winter when we are already dressed for cold weather we need a cabin that is 82 degrees. Even the vents were blowing hot air.

Flight was delayed. De-icing took a while. When we landed had to wait for another plane to vacate our gate. Just an overall bad experience.

Not good - outbound flight was delayed and missed my connection even though I got to the gate after running through the airport - the agent would not let me on because the door was closed (flight had not left). There was no notification from United - overall experience was very disappointing. Additionally, I was downgraded from first class to coach on the alternative flight

United have really come back. Airport and boarding process is clear and good, app and information also very good

The entertainment available didn’t work for anyone on the flight. Long 6 hr flight with no entertainment option and the staff didn’t know until an hour into the flight when we made sure they knew about it. They had no way to fix it.

Flight to Tampa was delayed taking off due to plane arriving late but no other issues

As previously stated the delay I experienced flying from Wichita to Chicago caused a host of issues. When I finally was able to be booked on the last remaining American flight from Chicago to Cincinnati, the gate changed four times with the last change occurring very near the scheduled boarding time. While I didn't have a problem moving from gate to gate, I did notice and make note of others that had mobility issues and had to move each time for the gate change.

Maintenance took a very long time and then we were in a holding pattern. While a one-off maintenance issue is standard, there were delays on both of my flights for this trip based on maintenance issues with the planes, which delayed both flights over 45 minutes. Thankfully, I didn't have any connections but it wasn't an experience that would make me pick AA if I have other options.

No Snacks or Entertainment. The flight was short, snacks should still be given.

See prior comment about how Kayak mishandled my reservation and delayed my arrival by 6 hours.

The flight was fine. It's the satellite terminal that supports American eagle flights is what sucks. There is only one food option and everything there is way overpriced. I mean I know it's airport pricing, but it's even crazier than that. I bought a sandwich in a plastic container for $18.

Boarding delayed 20 minutes for no reason, no wifi, in flight entertainment, or snacks / waters?

Delayed an hour due to operational issues. Minimal apologies or care for the significant inconvenience caused. Landed at nearly 1am and they still couldn’t find ground staff to get us off the plane promptly.

Don't change gate multiple times make people run across the airport. Announce delays in a timely manner. Have maintenance crew ready. Don't delay and keep passengers on the plane for 3 hrs. on tarmac.

The aircraft had several problems - from excess fuel to non operational ac. Two hours of delay in Chicago could have been avoided with proper planning and aircraft maintenance.

Superb. Staff great. Great flight. As with other airlines, seating too tight and restrictive.

There is not one likable thing about this airline. It’s starts with the deceptive pricing and continues through the whole flight. The worst staff I’ve ever experienced way over priced bags absolutely no food or drink (unacceptable and you should be embarrassed) the seats are cramped and uncomfortable there is no entertainment there is nothing about this trash airline that constitutes any amount of money. It’s worse than spirit and way more expensive it is disgraceful. Do not travel with Allegiant I repeat do not bother no matter what they say the price is it is never ever going to be the right choice I’m mind blown at how awful the entire experience was I’m embarrassed that I chose so poorly I cannot reiterate enough how beyond horrible this company and its staff are, not one person on this flight or at the airport is qualified to sweep up trash on a city sidewalk they should certainly never be given any job that requires a brain or manners or communication with human beings, what a disgrace to the human race. Your criminal chiselers and should be put out to pasture

Great flight. Friendly staff. Free snacks and drinks would be nice. I would love fewer taxes and fees added on.

My 90 year old father flew with me. He needed wheel chair assistance and is nearly deaf. The staff was amazing with him.

It was fine. Nobody was outstandingly friendly but no one was rude and everything was smooth . The captain thanked us for flying but no one greeted me as I walked on the plane or as I exited which is the least they could do lol

Clean, friendly, roomy. But check-in from the phone link was terrible. Repeated attempts wouldn’t save at the final step. Just kept spinning! It was very frustrating. Finally, I used the app (vs website link) to check-in which worked very smoothly on the first attempt.

Check in on the web portal was cumbersome! After several attempts I finally got the boarding pass.

Excellent flight and even arrived 23 min early. No entertainment , or wi fi on board, but I downloaded a couple of movies beforehand which kept me entertained. Really like flying Allegiant airlines.

WE were delayed about an hour and never any communications from the employees working the gate. We also were moved to a total of three gates.

I love how they show love to their customers and care about them too.

Everything you need to know for your flight from Peoria to Colorado

Information on your arrival and departure airports