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Peoria

$249+ Cheap flights from Colorado Springs to Peoria, IL (COS - PIA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
COS — PIA
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap flight deals from Colorado Springs to Peoria

Discover tips and strategies to find the most affordable flight options for your journey from Colorado Springs (COS) 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 July 30, 2025.

Round-trip from

$249
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$294
From Colorado Springs to Greater Peoria
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Colorado Springs to Peoria

Cheapest flights from Colorado Springs to Peoria
Explore the most affordable flight options available from Colorado Springs to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This United Airlines deal was found by Cheapflights users on 7/28. 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.
Sat 8/2312:02 pmCOS - PIA
1 stop7h 50mUnited Airlines
Tue 8/268:45 amPIA - COS
1 stop5h 29mUnited Airlines
Deal found 7/28$249
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Wed 8/135:24 pmCOS - PIA
1 stop4h 52mAmerican Airlines
Sun 8/176:00 amPIA - COS
1 stop6h 37mAmerican Airlines
Deal found 7/28$334

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado Springs 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 July 30, 2025.
Use the filters below to find and compare flights from Colorado Springs to Peoria that are best for you.

Fly from

Colorado Springs

Fly to

Peoria

Route

Depart

Return

Price

Colorado SpringsPeoria

COS - PIA

COSPIA

Colorado Springs

Sat 8/23

12:02 pm-8:52 pm

1 stop7h 50m

Greater Peoria

Tue 8/26

8:45 am-1:14 pm

1 stop5h 29m

$249

Colorado SpringsPeoria

COS - PIA

COSPIA

Colorado Springs

Wed 8/13

5:24 pm-11:16 pm

1 stop4h 52m

Greater Peoria

Sun 8/17

6:00 am-11:37 am

1 stop6h 37m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Colorado Springs to Peoria

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

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

Currently, August is the cheapest month in which you can book a flight from Colorado Springs to Peoria, Illinois (average of $318). Flying from Colorado Springs to Peoria, Illinois in October is currently the most expensive (average of $425). 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.

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 July 30, 2025.
Read through reviews of airlines operating flights from Colorado Springs to Peoria, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,896 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

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
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

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
8,896 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

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 Colorado Springs to Peoria. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Cheapflights users have booked flights from Colorado Springs to Peoria, Illinois round-trip from $249. Another airline that can offer you cheap pricing is American Airlines.

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

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

  • How can I find direct flights from Colorado Springs to Peoria?

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Colorado Springs to Peoria, Illinois (average of $318). Flying from Colorado Springs to Peoria, Illinois in October is currently the most expensive (average of $425). 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.

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