$224 Cheap Flights from Denver (DEN) to Peoria (PIA)

Popular airlines from Denver Intl. Airport (DEN) to Peoria, IL (PIA-Greater Peoria Regional)

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Cheap Flights from Denver to Peoria (DEN-PIA)

Prices were available within the past 7 days and start at $224 for one-way flights and $209 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
United
American Airlines
United
American Airlines
American Airlines
United
United
United
United

Find the cheapest month to fly from Denver (DEN) to Peoria (PIA)

May is typically the cheapest month to fly

From $209 - $522 per traveler.

Graph displaying average flight prices per month

Alternative airports near Peoria

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Denver (DEN) to Peoria (PIA)
Origin airport
Denver Intl.
Destination airport
Greater Peoria Regional
Airlines serving
American Airlines, United
Roundtrip price
$209
Distance
791 mi
Average flight time
3 hours 10 mins

Denver to Peoria Flights

The cheapest times to fly from Denver to Peoria

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Denver to Peoria are during the month of October. You can find some of the cheapest flights from Denver to Peoria with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Denver to Peoria

Sunday is one of the best days to book for cheap flights from Denver to Peoria: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Denver to Peoria

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Denver to Peoria in 2025. You can also book with separate airlines for your outbound and return journeys, from $224 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Denver to Peoria flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Denver to Peoria airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Greater Peoria Regional Airport (PIA) cost?
You can book cheap return flights starting from $289 from Denver Intl. Airport (DEN) to Greater Peoria Regional Airport (PIA). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving DEN on July 29 2025 and touching down at PIA. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from DEN to PIA?
The cheapest flights from DEN to PIA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from DEN to PIA?
With tickets starting at $224 for a one-way flight from DEN to PIA, United is currently the cheapest airline for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DEN on September 16 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Denver Intl. Airport (DEN) to Greater Peoria Regional Airport (PIA)?
On average, Denver Intl. Airport (DEN) offers 2 nonstop flights to Greater Peoria Regional Airport (PIA) every week. If you're looking for more options, use Expedia's filters to discover flights with one or more stops. Fit in a quick visit to another destination or simply break up your journey.
What are the most popular departure times for flights from Denver Intl. Airport (DEN) to Greater Peoria Regional Airport (PIA)?
More passengers fly between DEN and PIA at 1 PM than at any other point in the day. Rather go when it's quieter? Travel outside of rush hours and there's a chance you'll save on your fare as well.
What day of the week has the most flights from DEN to PIA?
Monday offers the most flights from Denver Intl. Airport (DEN) to Greater Peoria Regional Airport (PIA). Consider traveling on this day and you'll have a greater chance of finding a schedule that works for you.
What is the earliest flight from Denver Intl. Airport (DEN) to Greater Peoria Regional Airport (PIA)?
Hop on the earliest flight at around 1:33PM UTC-7, departing from Denver Intl. Airport (DEN). You'll be traveling for around 2h 5m, landing at Greater Peoria Regional Airport (PIA) at approximately 4:38PM UTC-6.
How long does it take to fly from Denver Intl. Airport (DEN) to Greater Peoria Regional Airport (PIA)?
Flights from DEN to PIA have an average travel time of 2 hours and 5 minutes. The total distance between the two airports is 790 mi.
What is the best time to fly from Denver Intl. Airport (DEN) to Greater Peoria Regional Airport (PIA)?
To avoid potential delays on the Denver Intl. Airport (DEN) to Greater Peoria Regional Airport (PIA) route, aim to fly before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Peoria from Denver Intl. Airport (DEN)?
Greater Peoria Regional Airport (PIA) is the only airport in Peoria with direct flights from Denver Intl. Airport (DEN). Consider the available options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to Greater Peoria Regional Airport (PIA) last-minute?
Booking your ticket from DEN to PIA just before your journey is usually more expensive. However, if there's some wiggle room with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book a DEN to PIA flight and hotel package?
Opting for a DEN to PIA flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our wide range of hotels and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Greater Peoria Regional Airport (PIA)?
It's generally possible to cancel or reschedule your DEN to PIA flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

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