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Peoria

$106+ Cheap flights from Denver to Peoria, IL (DEN - 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PIA
ago. 26 — sep. 21
mar. 8/26
mar. 9/2
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Greater Peoria are usually found in February or September, booked 83 days in advance, depart on a Friday or Monday and return on a Friday

Cheap flight deals from Denver to Peoria

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Peoria (PIA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated agosto 21, 2025.

Round-trip from

$125
(Cheapflightsfares)

One-way from

$106
(Cheapflightsfares)

Popular in

December

Cheapest in

February

Average price

$367

Good round-trip deal

$122 or less

Good one-way deal

$92 or less
From Denver Intl to Greater Peoria
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One-way flight from Denver Intl to Greater Peoria
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Highest demand for flights based on searches. 16% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Denver Intl to Greater Peoria.
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Price to beat on a one-way flight from Denver Intl to Greater Peoria.
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Find flight deals from Denver to Peoria

Cheapest flights from Denver to Peoria
Explore the most affordable flight options available from Denver to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 21, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/21. 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.
vie. 10/36:41 pmDEN - PIA
Nonstop1h 51mAllegiant Air
lun. 10/611:59 amPIA - DEN
Nonstop2h 16mAllegiant Air
Deal found 8/21$125
This Mytrip deal was found by Cheapflights users on 8/19. 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. 10/106:41 pmDEN - PIA
Nonstop1h 51mAllegiant Air
vie. 10/174:35 pmPIA - DEN
Nonstop2h 16mAllegiant Air
Deal found 8/19$160
This Cheapflightsfares deal was found by Cheapflights users on 8/20. 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. 10/202:05 pmDEN - PIA
Nonstop1h 51mAllegiant Air
vie. 10/314:29 pmPIA - DEN
Nonstop2h 16mAllegiant Air
Deal found 8/20$168
This Cheapflightsfares deal was found by Cheapflights users on 8/20. 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.
vie. 8/224:35 pmDEN - PIA
Nonstop2h 00mAllegiant Air
lun. 8/252:20 pmPIA - DEN
Nonstop2h 25mAllegiant Air
Deal found 8/20$195
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/48:59 pmDEN - PIA
1 stop16h 29mMultiple Airlines
lun. 9/89:14 pmPIA - DEN
1 stop13h 19mMultiple Airlines
Deal found 8/21$215
This United Airlines deal was found by Cheapflights users on 8/19. 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.
mié. 9/175:59 pmDEN - PIA
Nonstop2h 13mUnited Airlines
mié. 9/245:19 pmPIA - DEN
1 stop5h 40mUnited Airlines
Deal found 8/19$219
This United Airlines deal was found by Cheapflights users on 8/20. 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. 9/55:59 pmDEN - PIA
Nonstop2h 13mUnited Airlines
mar. 9/98:45 amPIA - DEN
Nonstop2h 41mUnited Airlines
Deal found 8/20$229
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/106:41 pmDEN - PIA
Nonstop1h 51mMultiple Airlines
vie. 10/1710:22 pmPIA - DEN
1 stop21h 19mMultiple Airlines
Deal found 8/19$232
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/1611:19 amDEN - PIA
1 stop31h 00mMultiple Airlines
lun. 9/223:18 pmPIA - DEN
Nonstop2h 16mMultiple Airlines
Deal found 8/21$254

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver 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 agosto 21, 2025.
Use the filters below to find and compare flights from Denver to Peoria that are best for you.

Fly from

Denver

Fly to

Peoria

Route

Depart

Return

Price

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

vie. 10/3

6:41 pm-9:32 pm

Nonstop1h 51m

Greater Peoria

lun. 10/6

11:59 am-1:15 pm

Nonstop2h 16m

$125

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

vie. 10/10

6:41 pm-9:32 pm

Nonstop1h 51m

Greater Peoria

vie. 10/17

4:35 pm-5:51 pm

Nonstop2h 16m

$160

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

lun. 10/20

2:05 pm-4:56 pm

Nonstop1h 51m

Greater Peoria

vie. 10/31

4:29 pm-5:45 pm

Nonstop2h 16m

$168

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

jue. 9/4

8:59 pm-2:28 pm

1 stop16h 29m

Greater Peoria

lun. 9/8

9:14 pm-9:33 am

1 stop13h 19m

$215

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

mié. 9/17

5:59 pm-9:12 pm

Nonstop2h 13m

Greater Peoria

mié. 9/24

5:19 pm-9:59 pm

1 stop5h 40m

$219

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

mar. 10/7

3:06 pm-11:01 pm

1 stop6h 55m

Greater Peoria

mié. 10/15

4:51 pm-10:05 pm

1 stop6h 14m

$229

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

vie. 9/5

5:59 pm-9:12 pm

Nonstop2h 13m

Greater Peoria

mar. 9/9

8:45 am-10:26 am

Nonstop2h 41m

$229

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

vie. 10/3

2:17 pm-9:36 pm

1 stop6h 19m

Greater Peoria

lun. 10/6

4:38 pm-11:41 pm

1 stop8h 03m

$229

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

mar. 9/16

2:45 pm-10:15 pm

1 stop6h 30m

Greater Peoria

lun. 9/22

3:55 pm-8:12 pm

1 stop5h 17m

$229

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

vie. 10/10

6:41 pm-9:32 pm

Nonstop1h 51m

Greater Peoria

vie. 10/17

10:22 pm-6:41 pm

1 stop21h 19m

$232

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 18 results
1
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Best time to book a flight from Denver to Peoria

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

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

Use this chart to determine the optimal time to book a round-trip flight from Denver to Peoria. Price data was last updated on August 8, 2025.

To ensure you get the cheapest price possible for a flight from Denver to Peoria, Illinois, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Denver to Peoria, Illinois (average of $318). Flying from Denver to Peoria, Illinois in October is currently the most expensive (average of $421). 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 DEN to PIA?

Find hourly flight availability from Denver 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 agosto 21, 2025.

One of the essential ways to save on airfare from Denver to Peoria, Illinois is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 66% on airfare.

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 agosto 21, 2025.
Get a feel of what it's like to fly with United Airlines, American Airlines, and Allegiant Air from Denver to Peoria by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,930 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

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
8,930 reviews
United Airlines
7.4
Good
8,930 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

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
8,930 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

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
7.2
Good
702 reviews
United Airlines
7.4
Good
8,930 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

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 Denver to Peoria. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Denver to Peoria?

    If you wish to fly to Peoria from Denver, then you need to book flights from Denver Intl to Greater Peoria. There is 1 flight from Denver Intl (DEN) to Greater Peoria (PIA) per day to choose from. Flights to Peoria from Denver Intl are available from 3 different airlines, which means you should have some options if you want to compare airfare deals. 1h 51m is how long a nonstop flight from Denver to Greater Peoria typically takes.

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

    Flights from Denver Intl to Greater Peoria have been viewed 1 times in the past calendar month.

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

    Departing from Denver to Peoria, Illinois will take you 1h 51m. Airlines will cover a distance of 790 mi. All flights are typically nonstop.

  • What are the cheapest airlines flying from Denver to Peoria, Illinois round-trip?

    Flying on Allegiant Air is currently your cheapest option to Peoria, Illinois, with prices starting at $84. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $228 and $229, respectively. Users have found that Allegiant Air is 69% cheaper than the other options available to this destination.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Denver to Peoria, Illinois on time: Allegiant Air (57%), SkyWest Airlines (48%), United Airlines (48%).

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

    Looking for the cheapest flight from Denver to Peoria, Illinois? While on average our users pay $196, our data indicates the cheapest price to be $53. The most popular route (Denver Intl - Greater Peoria), is priced around $103.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Denver to Peoria, Illinois (average of $318). Flying from Denver to Peoria, Illinois in October is currently the most expensive (average of $421). 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 Denver to Peoria

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Denver to Peoria

Discover the top 3 airlines that operate flights from Denver 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 agosto 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$84Average$159FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$228Average$347FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$229Average$381FlexibilityNo cancel feeOn-time69%

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