HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Aurora

$169+ Cheap flights from Peoria, IL (PIA) to Aurora, CO

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — DEN
Jan 21 — Jan 281
Wed 1/21
Wed 1/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Peoria to Aurora with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Greater Peoria to Aurora are usually found in February or January, booked 55 days in advance, depart on a Friday or Monday and return on a Friday

Cheap flight deals from Peoria to Aurora

Cheapest flights from Peoria to Aurora
Explore the most affordable flight options available from Peoria to Aurora. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/21. 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.
Mon 12/293:38 pmPIA - DEN
Nonstop2h 26mAllegiant Air
Fri 1/25:54 pmDEN - PIA
Nonstop1h 57mAllegiant Air
Deal found 12/21$362
This Kiwi.com deal was found by Cheapflights users on 12/21. 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.
Wed 12/241:08 pmPIA - DEN
2 stops23h 18mMultiple Airlines
Fri 1/25:54 pmDEN - PIA
Nonstop1h 57mMultiple Airlines
Deal found 12/21$395
This American Airlines deal was found by Cheapflights users on 12/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:00 amPIA - DEN
1 stop5h 08mAmerican Airlines
Thu 1/13:59 pmDEN - PIA
1 stop6h 57mAmerican Airlines
Deal found 12/21$399
This Kiwi.com deal was found by Cheapflights users on 12/21. 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.
Mon 12/295:03 pmPIA - DEN
2 stops40h 52mMultiple Airlines
Fri 1/25:54 pmDEN - PIA
Nonstop1h 57mMultiple Airlines
Deal found 12/21$402
This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:35 amPIA - DEN
Nonstop2h 45mUnited Airlines
Thu 1/15:30 pmDEN - PIA
Nonstop2h 17mUnited Airlines
Deal found 12/21$414
This Kiwi.com deal was found by Cheapflights users on 12/21. 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.
Wed 12/241:08 pmPIA - DEN
2 stops20h 34mMultiple Airlines
Mon 12/295:54 pmDEN - PIA
Nonstop1h 57mMultiple Airlines
Deal found 12/21$416
This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:35 amPIA - DEN
Nonstop2h 45mUnited Airlines
Sat 12/275:30 pmDEN - PIA
Nonstop2h 17mUnited Airlines
Deal found 12/21$439
This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:20 pmPIA - DEN
1 stop5h 18mUnited Airlines
Sat 12/275:30 pmDEN - PIA
Nonstop2h 17mUnited Airlines
Deal found 12/21$449

Find flight deals from Peoria to Aurora

Keep the following information in mind while searching for Peoria to Aurora flight deals. Data was last updated December 22, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$187
(Cheapflightsfares)

One-way from

$169
(American Airlines)

Popular in

July

Cheapest in

February

Average price

$259
Provider with most accurate pricing for Greater Peoria-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greater Peoria-Denver Intl flights.
Search Deals
From Greater Peoria to Aurora
Search Deals
One-way flight from Greater Peoria to Aurora
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Peoria to Aurora 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 December 22, 2025.
Use the filters below to find and compare flights from Peoria to Aurora that are best for you.

Fly from

Peoria

Fly to

Aurora

Route

Depart

Return

Price

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Sat 1/17

8:35 am-10:20 am

Nonstop2h 45m

Denver Intl

Thu 1/22

5:30 pm-8:47 pm

Nonstop2h 17m

$209

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Thu 1/15

8:35 am-10:20 am

Nonstop2h 45m

Denver Intl

Sat 1/17

3:15 pm-9:39 pm

1 stop5h 24m

$219

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Sat 1/24

4:20 pm-8:53 pm

1 stop5h 33m

Denver Intl

Mon 2/2

6:23 am-4:59 pm

1 stop9h 36m

$229

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Sat 1/31

3:00 pm-8:12 pm

1 stop6h 12m

Denver Intl

Sat 2/7

7:50 am-2:23 pm

1 stop5h 33m

$229

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Sat 1/10

8:35 am-10:20 am

Nonstop2h 45m

Denver Intl

Thu 1/15

5:30 pm-8:47 pm

Nonstop2h 17m

$229

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Mon 1/5

5:19 pm-10:06 pm

1 stop5h 47m

Denver Intl

Sat 1/17

1:30 pm-9:39 pm

1 stop7h 09m

$249

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Fri 2/6

5:18 pm-9:59 pm

1 stop5h 41m

Denver Intl

Mon 2/9

5:30 pm-8:47 pm

Nonstop2h 17m

$249

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Wed 2/4

8:40 am-10:25 am

Nonstop2h 45m

Denver Intl

Wed 2/11

5:30 pm-8:47 pm

Nonstop2h 17m

$279

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Tue 3/17

9:00 am-10:05 am

Nonstop2h 05m

Denver Intl

Mon 3/23

5:54 pm-9:06 pm

Nonstop2h 12m

$279

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Mon 2/2

8:35 am-10:20 am

Nonstop2h 45m

Denver Intl

Sat 2/7

6:00 am-12:38 pm

1 stop5h 38m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 19 results
1
2

Best time to book a flight from Peoria to Aurora

Have a flexible travel schedule? Discover the best time to fly to Aurora 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 Aurora

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

Use this chart to determine the optimal time to book a round-trip flight from Peoria to Aurora. Price data was last updated on December 19, 2025.

The best time to book flights from Peoria, Illinois to Aurora is 54 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from Peoria, Illinois to Aurora (average of $49). Flying from Peoria, Illinois to Aurora in March is currently the most expensive (average of $165). 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 9UR?

Find hourly flight availability from Peoria to Aurora. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Peoria, Illinois to Aurora as you normally would.

Weekly flight availability from Peoria, Illinois to Aurora

Explore weekly flight availability from Peoria to Aurora. 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 December 22, 2025.

The most flights from PIA to 9UR 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).

Reviews of airlines servicing Aurora

Get insights into the airlines that provide service to Aurora. 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 Aurora. Reviews last updated December 22, 2025.
Read through reviews of airlines operating flights from Peoria to Aurora, such as United Airlines, American Airlines, and Allegiant Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,102 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
9,102 reviews
United Airlines
7.4
Good
9,102 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
American Airlines
7.2
Good
11,051 reviews
United Airlines
7.4
Good
9,102 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
Allegiant Air
7.2
Good
702 reviews
United Airlines
7.4
Good
9,102 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Related info for your journey

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

  • What airport do you fly from for flights from Peoria to Aurora?

    For a flight from Peoria to Aurora, you will be flying from Greater Peoria. Greater Peoria (PIA) is just 6.0 mi from the center of the city. Greater Peoria is the only Peoria airport and it handles 1 outbound flight to Aurora per day. 3 airlines have flights to Aurora from Greater Peoria on a regular basis.

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

    Within the past month, 13 users have taken a look at flights from Greater Peoria to Aurora.

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

    There are many flights that can get you from Peoria, Illinois to Aurora in 2h 45m. Fly via United Airlines or American Airlines to get the fastest option. The distance from Peoria, Illinois to Aurora is about 790 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Before booking your flight to Aurora from Peoria, Illinois, check out the most reliable airlines to get you to your destination on time: SkyWest Airlines (73%), United Airlines (73%), Allegiant Air( 56%).

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

    On average you can expect to pay $394 for a flight from Peoria, Illinois to Aurora. The cheapest flight overall is $80 while the most popular route, (Greater Peoria - Denver Intl) is currently priced at $209.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Peoria to Aurora 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 Aurora?

    Currently, September is the cheapest month in which you can book a flight from Peoria, Illinois to Aurora (average of $49). Flying from Peoria, Illinois to Aurora in March is currently the most expensive (average of $165). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Peoria to Aurora

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Denver flights
Midway to Denver flights
St. Louis to Denver flights
O'Hare Intl to Vail flights
O'Hare Intl to Hayden flights
O'Hare Intl to Colorado Springs flights
O'Hare Intl to Aspen flights
Peoria to Denver flights
Moline to Denver flights
O'Hare Intl to Montrose flights
Midway to Colorado Springs flights
Bloomington to Denver flights
O'Hare Intl to Grand Junction flights
Midway to Aspen flights
St. Louis to Vail flights
St. Louis to Hayden flights
O'Hare Intl to Durango flights
O'Hare Intl to Gunnison flights
Peoria to Colorado Springs flights
St. Louis to Aspen flights
St. Louis to Grand Junction flights
St. Louis to Colorado Springs flights
Evansville to Denver flights
St. Louis to Montrose flights
Decatur to Denver flights
Springfield to Denver flights
Moline to Colorado Springs flights
Bloomington to Colorado Springs flights
Champaign to Denver flights
St. Louis to Durango flights
Midway to Grand Junction flights
St. Louis to Gunnison flights
Moline to Grand Junction flights
Moline to Montrose flights
Paducah to Colorado Springs flights
Paducah to Denver flights
Moline to Vail flights
Peoria to Grand Junction flights
Peoria to Montrose flights
Springfield to Colorado Springs flights
Evansville to Colorado Springs flights
Bloomington to Montrose flights
O'Hare Intl to Cortez flights
Marion to Denver flights
Champaign to Colorado Springs flights
Evansville to Vail flights
Evansville to Grand Junction flights

Top 3 airlines flying from Peoria to Aurora

Discover the top 3 airlines that operate flights from Peoria to Aurora. 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 December 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$74Average$150FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$218Average$353FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$228Average$346FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.