$351 Cheap Flights from Champaign (CMI) to Rockford (RFD)

View $351 flight on Sat, Dec 6, 2025Opens in a new window

Popular airlines from Champaign, IL (CMI-University Of Illinois Urbana-Champaign Williard) to Rockford, IL (RFD-Greater Rockford)

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Cheap Flights from Champaign to Rockford (CMI-RFD)

Prices were available within the past 7 days and start at $351 for one-way flights and $320 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Dec 19 - Tue, Jan 20
CMI
Champaign
RFD
Rockford
$320 Roundtrip, found 5 days ago
$320
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Dec 19 from Champaign to Rockford, returning Tue, Jan 20, priced at $320 found 5 days ago
American Airlines
Mon, Dec 22 - Thu, Dec 25
CMI
Champaign
RFD
Rockford
$353 Roundtrip, found 4 days ago
$353
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Dec 22 from Champaign to Rockford, returning Thu, Dec 25, priced at $353 found 4 days ago
American Airlines
Fri, May 22 - Mon, Jun 1
CMI
Champaign
RFD
Rockford
$372 Roundtrip, found 10 hours ago
$372
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Fri, May 22 from Champaign to Rockford, returning Mon, Jun 1, priced at $372 found 10 hours ago
American Airlines
Fri, Dec 19 - Tue, Jan 20
CMI
Champaign
RFD
Rockford
$379 Roundtrip, found 5 days ago
$379
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Dec 19 from Champaign to Rockford, returning Tue, Jan 20, priced at $379 found 5 days ago
American Airlines
Thu, May 21 - Sun, May 31
CMI
Champaign
RFD
Rockford
$392 Roundtrip, found 2 days ago
$392
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, May 21 from Champaign to Rockford, returning Sun, May 31, priced at $392 found 2 days ago
American Airlines
Mon, Dec 22 - Thu, Dec 25
CMI
Champaign
RFD
Rockford
$411 Roundtrip, found 4 days ago
$411
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Dec 22 from Champaign to Rockford, returning Thu, Dec 25, priced at $411 found 4 days ago
American Airlines
Mon, Nov 24 - Mon, Dec 1
CMI
Champaign
RFD
Rockford
$413 Roundtrip, found 3 days ago
$413
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Nov 24 from Champaign to Rockford, returning Mon, Dec 1, priced at $413 found 3 days ago
American Airlines
Fri, May 22 - Mon, Jun 1
CMI
Champaign
RFD
Rockford
$431 Roundtrip, found 10 hours ago
$431
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Fri, May 22 from Champaign to Rockford, returning Mon, Jun 1, priced at $431 found 10 hours ago
American Airlines
Mon, Nov 24 - Mon, Dec 1
CMI
Champaign
RFD
Rockford
$437 Roundtrip, found 3 days ago
$437
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Nov 24 from Champaign to Rockford, returning Mon, Dec 1, priced at $437 found 3 days ago
American Airlines
Mon, Dec 22 - Thu, Dec 25
CMI
Champaign
RFD
Rockford
$445 Roundtrip, found 4 days ago
$445
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Dec 22 from Champaign to Rockford, returning Thu, Dec 25, priced at $445 found 4 days ago

Frequently asked questions

How much does a flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Rockford, IL (RFD-Greater Rockford) cost?
Grab a cheap one-way flight from $351 or cheap return flight from $320 from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Rockford, IL (RFD-Greater Rockford) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Rockford, IL (RFD-Greater Rockford)?
December is the least expensive month to fly from CMI to RFD. Traveling during quieter months is often the key to scoring lower fares.
What is the cheapest airline that flies from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Rockford, IL (RFD-Greater Rockford)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest CMI to RFD flight.
How many flights per day from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Rockford, IL (RFD-Greater Rockford)?
Direct flights from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Rockford, IL (RFD-Greater Rockford) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CMI to RFD?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Rockford, IL (RFD-Greater Rockford)?
Opt for a flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Rockford, IL (RFD-Greater Rockford) that takes off before 3 PM to reduce the likelihood of delays. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Rockford, IL (RFD-Greater Rockford) last-minute?
Booking your flight from CMI to RFD just before your getaway is typically more expensive. However, if you're flexible with your departure dates and times, you could bag a cheap last-minute fare.
Can I cancel or change the date of my flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Rockford, IL (RFD-Greater Rockford)?
In most instances, you can modify or cancel your CMI to RFD flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you need further details, go to our Customer Service portal.

Travel information

Origin airport
University Of Illinois Urbana-Champaign Williard
Destination airport
Greater Rockford
Airlines serving
American Airlines
Roundtrip price
$320
Distance
155 mi

Book with confidence

Champaign to Rockford Flights

The cheapest times to fly from Champaign to Rockford

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 Champaign to Rockford are during the month of December. You can find some of the cheapest flights from Champaign to Rockford with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Champaign to Rockford

Sunday is one of the best days to book for cheap flights from Champaign to Rockford: 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 Champaign to Rockford

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 Champaign to Rockford in 2025. You can also book with separate airlines for your outbound and return journeys, from $351 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 Champaign to Rockford 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 Champaign to Rockford 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.

 

Champaign to Rockford Flights

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*Available to One Key members.