$375 Cheap Flights from Rochester (ROC) to Champaign (CMI)

View $375 flight on Tue, Oct 7, 2025Opens in a new window

Popular airlines from Greater Rochester Intl. Airport (ROC) to Champaign, IL (CMI-University Of Illinois Urbana-Champaign Williard)

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Cheap Flights from Rochester to Champaign (ROC-CMI)

Prices were available within the past 7 days and start at $375 for one-way flights and $440 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Feb 12 - Sat, Feb 14
ROC
Rochester
CMI
Champaign
$440 Roundtrip, found 5 days ago
$440
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Feb 12 from Rochester to Champaign, returning Sat, Feb 14, priced at $440 found 5 days ago
American Airlines
Tue, Feb 10 - Wed, Feb 18
ROC
Rochester
CMI
Champaign
$472 Roundtrip, found 5 days ago
$472
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Feb 10 from Rochester to Champaign, returning Wed, Feb 18, priced at $472 found 5 days ago
American Airlines
Sat, Nov 22 - Sat, Nov 29
ROC
Rochester
CMI
Champaign
$487 Roundtrip, found 6 days ago
$487
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Nov 22 from Rochester to Champaign, returning Sat, Nov 29, priced at $487 found 6 days ago
American Airlines
Thu, Feb 12 - Sat, Feb 14
ROC
Rochester
CMI
Champaign
$510 Roundtrip, found 5 days ago
$510
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Feb 12 from Rochester to Champaign, returning Sat, Feb 14, priced at $510 found 5 days ago
American Airlines
Tue, Feb 10 - Mon, Feb 16
ROC
Rochester
CMI
Champaign
$513 Roundtrip, found 5 days ago
$513
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Feb 10 from Rochester to Champaign, returning Mon, Feb 16, priced at $513 found 5 days ago
American Airlines
Tue, Feb 10 - Thu, Feb 19
ROC
Rochester
CMI
Champaign
$516 Roundtrip, found 5 days ago
$516
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Feb 10 from Rochester to Champaign, returning Thu, Feb 19, priced at $516 found 5 days ago
American Airlines
Tue, Oct 14 - Mon, Oct 20
ROC
Rochester
CMI
Champaign
$538 Roundtrip, found 2 days ago
$538
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Oct 14 from Rochester to Champaign, returning Mon, Oct 20, priced at $538 found 2 days ago
American Airlines
Wed, Oct 8 - Mon, Oct 13
ROC
Rochester
CMI
Champaign
$540 Roundtrip, found 2 days ago
$540
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Oct 8 from Rochester to Champaign, returning Mon, Oct 13, priced at $540 found 2 days ago
American Airlines
Sat, Nov 22 - Sat, Nov 29
ROC
Rochester
CMI
Champaign
$549 Roundtrip, found 11 hours ago
$549
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Sat, Nov 22 from Rochester to Champaign, returning Sat, Nov 29, priced at $549 found 11 hours ago
American Airlines
Thu, Feb 12 - Mon, Feb 16
ROC
Rochester
CMI
Champaign
$551 Roundtrip, found 5 days ago
$551
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Feb 12 from Rochester to Champaign, returning Mon, Feb 16, priced at $551 found 5 days ago

Frequently asked questions

How much does a flight from Greater Rochester Intl. Airport (ROC) to University Of Illinois Urbana-Champaign Williard Airport (CMI) cost?
Secure a cheap one-way flight from $375 or cheap return flight from $440 from Greater Rochester Intl. Airport (ROC) to University Of Illinois Urbana-Champaign Williard Airport (CMI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Greater Rochester Intl. Airport (ROC) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
February is the cheapest month to fly from ROC to CMI. Traveling outside of peak seasons is often the key to scoring lower fares.
What is the cheapest airline that flies from Greater Rochester Intl. Airport (ROC) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
To find the cheapest airline flying from ROC to CMI, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Greater Rochester Intl. Airport (ROC) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
Direct flights from Greater Rochester Intl. Airport (ROC) to University Of Illinois Urbana-Champaign Williard Airport (CMI) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ROC to CMI?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on a range of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Greater Rochester Intl. Airport (ROC) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
To avoid possible delays on the Greater Rochester Intl. Airport (ROC) to University Of Illinois Urbana-Champaign Williard Airport (CMI) route, travel before 3 PM. Departures after this hour are 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 Greater Rochester Intl. Airport (ROC) to University Of Illinois Urbana-Champaign Williard Airport (CMI) last-minute?
Last-minute fares from ROC to CMI are generally more expensive. To lock in the best prices, start searching for flights early. That said, if you're flexible with your travel dates, you may land a cheap ticket just before your departure.
Is it cheaper to book a ROC to CMI flight and hotel package?
Securing a ROC to CMI flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our impressive range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Greater Rochester Intl. Airport (ROC) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
In most cases, you're able to cancel or reschedule your ROC to CMI flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like further details, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Greater Rochester Intl.
Destination airport
University Of Illinois Urbana-Champaign Williard
Airlines serving
American Airlines
Roundtrip price
$440
Distance
587 mi

Book with confidence

Book with confidence

Rochester to Champaign Flights

The cheapest times to fly from Rochester to Champaign

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

 

The best time to book a flight from Rochester to Champaign

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

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 Rochester to Champaign in 2025. You can also book with separate airlines for your outbound and return journeys, from $375 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 Rochester to Champaign 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 Rochester to Champaign 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.

 

Rochester to Champaign Flights

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*Available to One Key members.