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$62+ Cheap flights from Peoria, IL to Denver (PIA - DEN)

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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — DEN
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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Cheapflights Tip: The best prices from Greater Peoria to Denver Intl are usually found in January or February, booked 59 days in advance, depart on a Monday or Friday and return on a Thursday

Cheap flight deals from Peoria to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Peoria (PIA) to Denver (DEN). 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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$92
(Cheapflightsfares)

One-way from

$62
(Kiwi.com)

Popular in

October

Cheapest in

January

Average price

$285

Good round-trip deal

$251 or less

Good one-way deal

$249 or less
Provider with most accurate pricing for Greater Peoria-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Greater Peoria-Denver Intl flights.
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From Greater Peoria to Denver Intl
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One-way flight from Greater Peoria to Denver Intl
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Highest demand for flights based on searches. 12% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Greater Peoria to Denver Intl.
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Price to beat on a one-way flight from Greater Peoria to Denver Intl.
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Find flight deals from Peoria to Denver

Cheapest flights from Peoria to Denver
Explore the most affordable flight options available from Peoria to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

This Mytrip deal was found by Cheapflights users on 3/23. 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.
Fri 5/93:08 pmPIA - DEN
Nonstop2h 19mAllegiant Air
Fri 5/3012:24 pmDEN - PIA
Nonstop2h 00mAllegiant Air
Deal found 3/23$92
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Fri 5/25:16 pmPIA - DEN
1 stop6h 23mAmerican Airlines
Sat 5/36:30 amDEN - PIA
1 stop8h 28mAmerican Airlines
Deal found 3/24$229
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Mon 5/55:25 pmPIA - DEN
1 stop6h 47mUnited Airlines
Fri 5/165:29 pmDEN - PIA
Nonstop2h 22mUnited Airlines
Deal found 3/25$259
This Mytrip deal was found by Cheapflights users on 3/25. 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.
Fri 4/189:07 pmPIA - DEN
3 stops22h 23mMultiple Airlines
Mon 4/215:17 pmDEN - PIA
Nonstop2h 00mMultiple Airlines
Deal found 3/25$339

Cheapflights Fare Finder

Customize your flight search to find flights from Peoria to Denver 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 March 26, 2025.
Use the filters below to find and compare flights from Peoria to Denver that are best for you.

Fly from

Peoria

Fly to

Denver

Route

Depart

Return

Price

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Mon 5/26

10:09 am-11:34 am

Nonstop2h 25m

Denver Intl

Fri 5/30

12:24 pm-3:24 pm

Nonstop2h 00m

$92

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Sat 5/3

11:19 am-3:27 pm

1 stop5h 08m

Denver Intl

Sat 5/10

1:45 pm-9:56 pm

1 stop7h 11m

$229

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Mon 5/5

5:25 pm-11:12 pm

1 stop6h 47m

Denver Intl

Fri 5/16

5:29 pm-8:51 pm

Nonstop2h 22m

$259

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Fri 4/18

9:07 pm-6:30 pm

3 stops22h 23m

Denver Intl

Mon 4/21

5:17 pm-8:17 pm

Nonstop2h 00m

$339

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Fri 4/25

3:08 pm-4:27 pm

Nonstop2h 19m

$62

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Sun 7/13

9:00 am-10:30 am

Nonstop2h 30m

$224

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Tue 4/22

6:21 am-10:39 pm

1 stop17h 18m

$233

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Compare providers for flights from Peoria to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Peoria to Denver in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Peoria, Illinois-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Peoria, Illinois-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Peoria, Illinois-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Peoria, Illinois-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Peoria, Illinois-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Peoria to Denver

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

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

Use this chart to determine the optimal time to book a round-trip flight from Peoria to Denver. Price data was last updated on March 21, 2025.

To ensure you get the cheapest price possible for a flight from Peoria, Illinois to Denver, you should look to book at least 59 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 Peoria, Illinois to Denver?

Currently, October is the cheapest month in which you can book a flight from Peoria, Illinois to Denver (average of $197). Flying from Peoria, Illinois to Denver in March is currently the most expensive (average of $278). 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 PIA to DEN?

Find hourly flight availability from Peoria to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 26, 2025.

It’s optimal to fly from Peoria, Illinois to Denver in the afternoon. By choosing this option you can save up to 54% on the cost of your flight, compared to a flight in the morning.

Rainfall in Denver by month

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

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

Temperature in Denver by month

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

If weather is an important factor for your trip to Denver, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated March 26, 2025.
Get a feel of what it's like to fly with United Airlines, Allegiant Air and American Airlines from Peoria to Denver by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,608 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.0

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2024

EWR - DEN

Terribly delayed flight, missed ongoing flight, hotel very downmarket Food voucher not accepted in hotel
United Airlines
7.4
Good
8,608 reviews
United Airlines
7.4
Good
8,608 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.0

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2024

EWR - DEN

Terribly delayed flight, missed ongoing flight, hotel very downmarket Food voucher not accepted in hotel
Allegiant Air
7.3
Good
730 reviews
United Airlines
7.4
Good
8,608 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.0

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2024

EWR - DEN

Terribly delayed flight, missed ongoing flight, hotel very downmarket Food voucher not accepted in hotel
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,608 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.0

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2024

EWR - DEN

Terribly delayed flight, missed ongoing flight, hotel very downmarket Food voucher not accepted in hotel

Related info for your journey

Find useful and relevant information for your journey from Peoria to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Within the past month, 4 users have taken a look at flights from Greater Peoria to Denver Intl.

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

    Flying on Allegiant Air is currently your cheapest option to Denver, with prices starting at $92. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $229 and $259, respectively. These flights start at 57% lower than the current average price 3 months from now.

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

    $62 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 United Airlines and American Airlines, with prices starting from $224 and $233, respectively.

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

    Looking for the cheapest flight from Peoria, Illinois to Denver? While on average our users pay $710, our data indicates the cheapest price to be $69. The most popular route (Greater Peoria - Denver Intl), is priced around $86.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Peoria, Illinois to Denver (average of $197). Flying from Peoria, Illinois to Denver in March is currently the most expensive (average of $278). 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

Traveling to a place near Peoria?

Book flights to Peoria if you plan to visit one of these locations
Westminster
Lakewood
Black Hawk
Winter Park
Broomfield
Cripple Creek
Silverthorne
Golden
Brighton
Greeley
Frisco
Wheat Ridge
Grand Lake
Idaho Springs
Central City
Copper Mountain
Longmont
Thornton
Limon
Dillon

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Peoria to Denver

Discover the top 3 airlines that operate flights from Peoria to Denver. 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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$91Average$162FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$208Average$325FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$209Average$319FlexibilityNo cancel feeOn-time69%
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