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Peoria

$92+ 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 6/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PIA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 84 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 June 12, 2025.

Round-trip from

$102
(Cheapflightsfares)

One-way from

$92
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$279

Good round-trip deal

$81 or less

Good one-way deal

$133 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 ($51 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
Fri 8/156:31 pmDEN - PIA
Nonstop2h 00mAllegiant Air
Mon 8/184:16 pmPIA - DEN
Nonstop2h 25mAllegiant Air
Deal found 6/11$102
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Sat 6/144:51 pmDEN - PIA
1 stop5h 22mAmerican Airlines
Mon 6/164:43 pmPIA - DEN
1 stop6h 35mAmerican Airlines
Deal found 6/12$219
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 8/145:38 pmDEN - PIA
Nonstop2h 18mUnited Airlines
Sun 8/179:00 amPIA - DEN
Nonstop2h 30mUnited Airlines
Deal found 6/10$249
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Thu 7/36:13 pmDEN - PIA
2 stops19h 45mMultiple Airlines
Mon 7/712:45 pmPIA - DEN
2 stops23h 44mMultiple Airlines
Deal found 6/10$476

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 June 12, 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

Fri 8/15

6:31 pm-9:31 pm

Nonstop2h 00m

Greater Peoria

Mon 8/18

4:16 pm-5:41 pm

Nonstop2h 25m

$102

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Thu 8/14

7:50 am-3:03 pm

1 stop6h 13m

Greater Peoria

Sun 8/17

9:00 am-10:30 am

Nonstop2h 30m

$219

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Fri 8/15

1:08 pm-11:02 pm

1 stop8h 54m

Greater Peoria

Mon 8/18

5:09 pm-10:15 pm

1 stop6h 06m

$229

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Thu 7/3

6:13 pm-2:58 pm

2 stops19h 45m

Greater Peoria

Mon 7/7

12:45 pm-11:29 am

2 stops23h 44m

$476

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Fri 6/20

5:56 pm-9:00 pm

Nonstop2h 04m

$92

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Thu 6/26

4:00 pm-11:59 pm

1 stop6h 59m

$115

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Thu 7/24

5:38 pm-8:56 pm

Nonstop2h 18m

$224

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Thu 6/26

10:15 am-2:58 pm

3 stops27h 43m

$402

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 June 9, 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 July is currently the most expensive (average of $438). 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 June 12, 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 in the morning could potentially save you up to 54% on airfare.

Weekly flight availability from Denver to Peoria, Illinois

Explore weekly flight availability from Denver to Peoria. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from DEN 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).

Rainfall in Peoria by month

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

In terms of precipitation, rainfall in Peoria, Illinois ranges from 1.8 - 4.3 inches per month. May is typically the wettest month, when rainfall can reach 4.3 in. January is typically the driest time to visit Peoria, Illinois when rainfall is around 1.8 in.

Temperature in Peoria by month

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

If weather is an important factor for your trip to Peoria, Illinois, 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 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

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 June 12, 2025.
Read reviews from past customers who have flown United Airlines, Allegiant Air and American Airlines from Denver to Peoria. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,790 reviews

Entertainment

7.0

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

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
8,790 reviews
United Airlines
7.4
Good
8,790 reviews

Entertainment

7.0

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

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
7.3
Good
725 reviews
United Airlines
7.4
Good
8,790 reviews

Entertainment

7.0

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

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
8,790 reviews

Entertainment

7.0

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

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. 2h 00m 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.

  • 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 $102. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $219 and $229, respectively. Users have found that Allegiant Air is 62% cheaper than the other options available to this destination.

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

    $92 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $115 and $224, respectively.

  • 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: SkyWest Airlines (72%), United Airlines (72%), Allegiant Air (55%).

  • 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 $253, our data indicates the cheapest price to be $46. The most popular route (Denver Intl - Greater Peoria), is priced around $102.

  • 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 July is currently the most expensive (average of $438). 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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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$84Average$164FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$228Average$355FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$229Average$375FlexibilityNo cancel feeOn-time69%

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