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$70 Cheap Flights from Denver (DEN) to Peoria (PIA)

View $70 flight on Thu, Oct 29, 2026Opens in a new window

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 $70 for one-way flights and $110 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Allegiant Air
Thu, Oct 29 - Sun, Nov 1
DEN
Denver
PIA
Peoria
$110 Roundtrip, found 1 day ago
$110
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Thu, Oct 29 from Denver to Peoria, returning Sun, Nov 1, priced at $110 found 1 day ago
Allegiant Air
Sun, Oct 25 - Sun, Nov 1
DEN
Denver
PIA
Peoria
$123 Roundtrip, found 2 days ago
$123
Roundtrip
found 2 days ago
Select Allegiant Air flight, departing Sun, Oct 25 from Denver to Peoria, returning Sun, Nov 1, priced at $123 found 2 days ago
Allegiant Air
Sun, Oct 25 - Sun, Nov 1
DEN
Denver
PIA
Peoria
$128 Roundtrip, found 2 days ago
$128
Roundtrip
found 2 days ago
Select Allegiant Air flight, departing Sun, Oct 25 from Denver to Peoria, returning Sun, Nov 1, priced at $128 found 2 days ago
Allegiant Air
Sun, Oct 25 - Sun, Nov 1
DEN
Denver
PIA
Peoria
$135 Roundtrip, found 22 hours ago
$135
Roundtrip
found 22 hours ago
Select Allegiant Air flight, departing Sun, Oct 25 from Denver to Peoria, returning Sun, Nov 1, priced at $135 found 22 hours ago
Allegiant Air
Thu, Aug 27 - Sun, Aug 30
DEN
Denver
PIA
Peoria
$152 Roundtrip, found 14 hours ago
$152
Roundtrip
found 14 hours ago
Select Allegiant Air flight, departing Thu, Aug 27 from Denver to Peoria, returning Sun, Aug 30, priced at $152 found 14 hours ago
Allegiant Air
Sun, Oct 25 - Thu, Oct 29
DEN
Denver
PIA
Peoria
$156 Roundtrip, found 10 hours ago
$156
Roundtrip
found 10 hours ago
Select Allegiant Air flight, departing Sun, Oct 25 from Denver to Peoria, returning Thu, Oct 29, priced at $156 found 10 hours ago
Allegiant Air
Thu, Aug 27 - Sun, Aug 30
DEN
Denver
PIA
Peoria
$163 Roundtrip, found 1 day ago
$163
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Thu, Aug 27 from Denver to Peoria, returning Sun, Aug 30, priced at $163 found 1 day ago
Allegiant Air
Thu, Sep 10 - Sun, Sep 13
DEN
Denver
PIA
Peoria
$170 Roundtrip, found 13 hours ago
$170
Roundtrip
found 13 hours ago
Select Allegiant Air flight, departing Thu, Sep 10 from Denver to Peoria, returning Sun, Sep 13, priced at $170 found 13 hours ago
United
Mon, Oct 26 - Sun, Nov 1
DEN
Denver
PIA
Peoria
$289 Roundtrip, found 9 hours ago
$289
Roundtrip
found 9 hours ago
Select United flight, departing Mon, Oct 26 from Denver to Peoria, returning Sun, Nov 1, priced at $289 found 9 hours ago
American Airlines
Thu, Sep 10 - Mon, Sep 14
DEN
Denver
PIA
Peoria
$299 Roundtrip, found 4 hours ago
$299
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Thu, Sep 10 from Denver to Peoria, returning Mon, Sep 14, priced at $299 found 4 hours ago

Alternative airports near Peoria

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

Select flight to Greater Peoria Regional PIA. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $299
PIA
Greater Peoria Regional
CheapestClosest
Average driving time to city center11 min
Flights from $299

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

October is typically the cheapest month to fly

From $150 - $453 per traveler.

What you need to know for your flight from Denver Intl. to Greater Peoria Regional

Denver (DEN) to Peoria (PIA) at a glance

Discover a range of options for your travels from Denver International Airport (DEN) to Greater Peoria Regional Airport (PIA) on this domestic short-haul route. You can easily search for Peoria flights and compare different airlines to find the itinerary that aligns with your budget and schedule. Whether you're exploring Peoria's renowned attractions or its vibrant neighborhoods, this is your chance to book your ideal trip. Check out the latest deals on flights and plan your journey today!

  • Fastest flight duration: around 2h 15m non-stop
  • Route distance: roughly 800 miles (1,290 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $105–$435, depending on seasonality and how far ahead you book

Flights from Denver International Airport (DEN) to Greater Peoria Regional Airport (PIA)

According to recent traveler bookings, here are the top airlines favored for flights from Denver to Peoria, particularly for non-stop and one-stop options. Popular layover choices include O'Hare International Airport (ORD) with an approximate layover of 1 hour and 30 minutes, Dallas-Fort Worth International Airport (DFW) with about a 1 hour and 15-minute layover, and Charlotte-Douglas International Airport (CLT), also featuring a 1 hour and 15-minute layover. These choices provide flexibility in balancing price, total travel time, and cabin class to help you find the ideal itinerary.

  • United: This comprehensive airline provides both non-stop and one-stop flights, commanding about 79% of departures on this route. One-way ticket prices typically range from $105 to $430, with a standard non-stop flight duration of 2 hours and 15 minutes.
  • American Airlines: As another full-service option, American Airlines offers one-stop flights and accounts for roughly 21% of departures. One-way fares generally fall between $125 and $445, with an in-flight time of 3 hours and 45 minutes, leading to a total travel duration of around 5 hours and 15 minutes, including layover.

Best time to fly from Denver (DEN) to Peoria (PIA)

The most popular months for travelers flying from Denver to Peoria are March, April, and May, when peak temperatures in Peoria reach up to 63°F in May. If you prefer quieter travel, consider August, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 73.2°F. For better deals, September usually offers the lowest average one-way fare around $189. Flight availability peaks in April, May, June, August, and September, with approximately 9 flights per week, making it easier to find convenient departure times. January has the fewest flights, with approximately 7 flights per week.

  • Cheapest time to fly: September usually offers good deals with average one-way fare around $189, roughly 16% cheaper than the yearly average.
  • More budget-friendly months to fly: May and October typically offer average one-way fares roughly ranging from $193 to $207.
  • Most flight options: April, May, June, August, and September have the highest number of flights from Denver to Peoria, with approximately 9 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January25.2°F (-3.8°C)Average7$234
February28.2°F (-2.1°C)Average8$233
March41.4°F (5.2°C)High8$242
April51.6°F (10.9°C)High9$229
May63.0°F (17.2°C)High9$193
June72.0°F (22.2°C)Low9$238
July74.7°F (23.7°C)Low8$227
August73.2°F (22.9°C)Low9$221
September67.3°F (19.6°C)Average9$189
October54.9°F (12.7°C)Average8$207
November41.9°F (5.5°C)Average8$211
December32.5°F (0.3°C)Average8$303

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Denver (DEN) to Peoria (PIA)

  • Denver to Bloomington (DEN-BMI): Central Illinois Regional Airport (BMI) is located approximately 43 miles from Greater Peoria Regional Airport (PIA). One-way economy ticket prices on this route generally fall between $170 and $420, influenced by seasonality and advance booking. Passengers can expect one-stop flights, with common layover points being O'Hare International Airport (ORD) and Dallas-Fort Worth International Airport (DFW). The main airlines operating on this route include American Airlines and Delta.
  • Colorado Springs to Peoria (COS-PIA): Colorado Springs Airport (COS) is about 73 miles distant from Denver International Airport (DEN). One-way economy fares for this journey typically range from $145 to $385, varying by season and how early tickets are booked. Travelers can choose from both one-stop and multi-stop flights, with frequent layovers at Dallas-Fort Worth International Airport (DFW) and Denver International Airport (DEN). Key airlines flying this route are American Airlines and United, and first-class service is also available.

How to find the best prices for flights from Denver (DEN) to Peoria (PIA)

Getting some of the best deals on flights from Denver to Peoria is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2 to 8 weeks in advance, which coincides with when most travelers make their reservations. Afternoon departures between 12 PM and 6 PM tend to be less expensive and are also the most popular flight times. Additionally, flying on Friday often results in lower prices, although Thursday remains the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Peoria hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Greater Peoria Regional Airport from Denver International Airport

Peoria welcomes travelers from Denver with a range of transport options based on price, convenience, and proximity. Here's how to reach Peoria efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Peoria, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Greater Peoria Regional Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Greater Peoria Regional Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Greater Peoria Regional Airport, Peoria Bus Station, a bus station, is located about 6.3 miles away by car, offering convenient access to regional bus services.

Frequently asked questions

How much does a flight from Denver, CO (DEN-Denver Intl.) to Peoria, IL (PIA-Greater Peoria Regional) cost?
You can find cheap one-way flights from $70 and cheap return flights from $110 Denver, CO (DEN-Denver Intl.) to Peoria, IL (PIA-Greater Peoria Regional) with Expedia. One-way flights usually range from $223 to $677, and return flights typically cost between $296 and $1152. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Denver, CO (DEN-Denver Intl.) to Peoria, IL (PIA-Greater Peoria Regional) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
The cheapest month to fly from DEN to PIA is October when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
United offers around 9 weekly direct flights from DEN to PIA.
What is the cheapest airline that flies from Denver, CO (DEN-Denver Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
United is one of the cheapest airlines offering nonstop flights from Denver, CO (DEN) to Peoria, IL (PIA), with round-trip tickets starting from around $209. This means you can enjoy a direct journey without any layovers. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Denver, CO (DEN-Denver Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Peoria, IL (PIA-Greater Peoria Regional), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Denver, CO (DEN-Denver Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
The best airline to fly with from Denver, CO (DEN) to Peoria, IL (PIA) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, United typically offers the lowest fares. Delta offers the most daily flights from DEN to PIA, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Denver, CO (DEN-Denver Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Denver, CO (DEN-Denver Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
On average, there are around 1 nonstop flights per day from Denver Intl. (DEN) to Greater Peoria Regional (PIA). For more options, look at flights that include layovers.
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from DEN to PIA. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
The most popular departure times for flights from Denver (DEN) to Peoria (PIA) are in the afternoon, from 3pm to 6pm. About 34% of passengers prefer this time window. Many major carriers, including American Airlines and United Airlines, offer flights during this window. This timing works well because it allows you to finish your day in Denver before heading to Peoria.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
Direct flights from DEN to PIA usually take about 2 hours 20 minutes, traveling roughly 791 miles. If you opt for a connecting flight, expect to add around 3 hours 10 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Denver, CO (DEN-Denver Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
First class is available on flights from DEN to PIA. First class cabins are available on:

  • American Airlines
  • United Airlines
  • Delta Air Lines

How do I earn miles on a Denver, CO (DEN-Denver Intl.) to Peoria, IL (PIA-Greater Peoria Regional) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Peoria, IL (PIA-Greater Peoria Regional) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Peoria from Denver Intl. (DEN)?
If you're planning to travel to Peoria from Denver Intl. (DEN), you can fly into Greater Peoria Regional (PIA) Some flights may connect through major hubs like Minneapolis - St. Paul Intl. (MSP), Detroit Metropolitan Wayne County (DTW), Hartsfield-Jackson Atlanta Intl. (ATL) before reaching Peoria. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Denver, CO (DEN-Denver Intl.) to Peoria, IL (PIA-Greater Peoria Regional) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Peoria, IL (PIA-Greater Peoria Regional) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Denver, CO (DEN-Denver Intl.) to Peoria, IL (PIA-Greater Peoria Regional) flight and hotel package?
Securing a Denver, CO (DEN-Denver Intl.) to Peoria, IL (PIA-Greater Peoria Regional) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver, CO (DEN-Denver Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
If you booked your Denver, CO (DEN-Denver Intl.) to Peoria, IL (PIA-Greater Peoria Regional) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Denver Intl.
Destination airport
Greater Peoria Regional
Airlines serving
Allegiant Air, American Airlines, United
Roundtrip price
$110
Distance
791 mi
Average flight time
3 hours 15 mins

Book with confidence

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 2026. You can also book with separate airlines for your outbound and return journeys, from $70 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.

 

Denver to Peoria Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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