Cheap Flights from Colorado Springs Peterson Field to Central Illinois Regional

Compare Colorado Springs Peterson Field to Central Illinois Regional flight deals

Find the cheapest month or even day of the year to fly to Central Illinois Regional

Book the best Central Illinois Regional fare with no extra fees

Flight deals from Colorado Springs Peterson Field to Central Illinois Regional

Looking for a cheap last-minute deal or the best return flight from Colorado Springs Peterson Field Airport to Central Illinois Regional Airport? If you want to travel next month, return fares start from R 5,307. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Colorado Springs Peterson Field to Central Illinois Regional

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Colorado Springs Peterson Field to Central Illinois Regional flights are currently cheapest in September.

Colorado Springs Peterson Field to Central Illinois Regional: Alternative routes

Compare routes from Colorado Springs Peterson Field to Bloomington below. You may find an airport to fly into that's cheaper, faster, or easier than Central Illinois Regional.

Colorado Springs to Bloomington: Flight information

The things to know before you go.
Cheapest flight foundR 2,788
Cheapest month to flySeptember

Finding cheap flights from Colorado Springs Peterson Field to Central Illinois Regional: Frequently asked questions

The best price we found for a return flight from Colorado Springs Peterson Field to Central Illinois Regional is R 5,307. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Colorado Springs Peterson Field to Central Illinois Regional. But we found flights with one or more stops from R 5,307.
As of July 2026, there are no flights flying from Colorado Springs Peterson Field to Central Illinois Regional.
The cheapest month to fly from Colorado Springs Peterson Field to Central Illinois Regional is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Colorado Springs Peterson Field Airport to Central Illinois Regional Airport on Saturday, 22 August 2026.
No airlines currently offer direct flights between Colorado Springs Peterson Field Airport and Central Illinois Regional Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Central Illinois Regional but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Bloomington is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Delta offers the cheapest flight tickets to Central Illinois Regional.

Travelling from Colorado Springs Peterson Field Airport (COS) to Central Illinois Regional Airport (BMI): what you need to know

  • Get to the airport on time so you don't miss your COS to BMI flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid a last-minute sprint to the gate.

  • You can expect longer queues in popular months like August. Arriving up to four hours in advance for an international flight and two hours for domestic departures is a good idea.

  • If you want to break up your flight, simply deselect 'Direct flights only' when searching for your ticket from Colorado Springs Peterson Field Airport to Central Illinois Regional Airport. These are the top stopovers between COS and BMI:

    • Chicago O'Hare International Airport

    • Dallas Fort Worth International Airport

    • Denver International Airport

How to find the cheapest flights from Colorado Springs Peterson Field Airport (COS) to Central Illinois Regional Airport (BMI)

  • The cheapest price we've seen for a one-way Colorado Springs Peterson Field Airport to Central Illinois Regional Airport flight is R 2,788. A return plane ticket is currently R 5,307. Depending on the availability and when you book, these fares could change.

  • Don't leave things to the last minute. You're more likely to get cheap tickets from COS to BMI if you book early. Airlines often have some excellent early bird deals.

  • If you can be flexible with your trip dates, try using the 'Whole month' search tool. It'll give you the cheapest price across each month when looking for your flight from Colorado Springs Peterson Field Airport to Central Illinois Regional Airport.

  • Spend less time searching for cheap flights from COS to BMI by creating a Price Alert. You'll receive an email or notification through the app when a new discounted fare appears.

  • Pick your ideal arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Colorado Springs Peterson Field Airport to Central Illinois Regional Airport.

Handy information about Colorado Springs Peterson Field Airport (COS)

  • You'll find COS at 7770 Milton E. Proby Parkway.

  • Colorado Springs Peterson Field Airport maintains a strong on-time performance, so flight disruptions are less likely. Departures from COS arrive on schedule 82% of the time.

  • Colorado Springs Peterson Field Airport is around 10 kilometres from central Colorado Springs. If you're catching a taxi, ride-sharing or driving from the centre, it'll take you 15 minutes or so to arrive, depending on the traffic.

  • The journey on public transport typically takes 45 minutes.

  • Need a handy hotel near COS? If you're catching an early flight from Colorado Springs Peterson Field Airport to Central Illinois Regional Airport, these accommodation options will have you moments from your departure gate:

Arriving at Central Illinois Regional Airport (BMI)

When to fly to Central Illinois Regional Airport (BMI)

  • The quietest month for a flight from Colorado Springs Peterson Field Airport to Central Illinois Regional Airport is April, while July is the busiest. Choose the best time to go to Bloomington based on whether you prefer a more relaxed vibe or a faster pace.

  • The warmest month in Bloomington is July, with the temperature ranging between 15ºC (59ºF) and 30ºC (86ºF). Lock in your flights from Colorado Springs Peterson Field Airport to Central Illinois Regional Airport in this month if you like this kind of weather.

  • If you like cooler conditions, look for a cheap ticket from COS to BMI in January. Temperatures average between -12ºC (10ºF) and 4ºC (39ºF) then.

Explore more of the United States

  • Bloomington has plenty to offer, but there are so many other parts of the United States waiting to be explored. About 193 kilometres north-east of Bloomington, a visit to Chicago will keep you busy. Start with leading attractions like Millennium Park, Art Institute of Chicago and Willis Tower.

  • Around 257 kilometres east of Bloomington, Indianapolis is another essential stop in the United States. Experience this destination's highlights firsthand at Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.