$441 Cheap Flights from Sacramento (SMF) to Champaign (CMI)

View $441 flight on Fri, Aug 15, 2025Opens in a new window

Popular airlines from Sacramento Intl. Airport (SMF) to Champaign, IL (CMI-University Of Illinois Urbana-Champaign Williard)

Cheap Flights from Sacramento to Champaign (SMF-CMI)

Prices were available within the past 7 days and start at $441 for one-way flights and $444 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Aug 27 - Wed, Sep 3
SMF
Sacramento
CMI
Champaign
$444 Roundtrip, just found
$444
Roundtrip
just found
Select American Airlines flight, departing Wed, Aug 27 from Sacramento to Champaign, returning Wed, Sep 3, priced at $444 just found
American Airlines
Wed, Aug 27 - Wed, Sep 3
SMF
Sacramento
CMI
Champaign
$450 Roundtrip, just found
$450
Roundtrip
just found
Select American Airlines flight, departing Wed, Aug 27 from Sacramento to Champaign, returning Wed, Sep 3, priced at $450 just found
American Airlines
Wed, Aug 27 - Wed, Sep 3
SMF
Sacramento
CMI
Champaign
$455 Roundtrip, just found
$455
Roundtrip
just found
Select American Airlines flight, departing Wed, Aug 27 from Sacramento to Champaign, returning Wed, Sep 3, priced at $455 just found
American Airlines
Wed, Aug 27 - Tue, Sep 2
SMF
Sacramento
CMI
Champaign
$460 Roundtrip, found 7 hours ago
$460
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Wed, Aug 27 from Sacramento to Champaign, returning Tue, Sep 2, priced at $460 found 7 hours ago
American Airlines
Wed, Aug 27 - Tue, Sep 2
SMF
Sacramento
CMI
Champaign
$466 Roundtrip, found 7 hours ago
$466
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Wed, Aug 27 from Sacramento to Champaign, returning Tue, Sep 2, priced at $466 found 7 hours ago
American Airlines
Wed, Aug 27 - Tue, Sep 2
SMF
Sacramento
CMI
Champaign
$471 Roundtrip, found 7 hours ago
$471
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Wed, Aug 27 from Sacramento to Champaign, returning Tue, Sep 2, priced at $471 found 7 hours ago
American Airlines
Wed, Aug 27 - Tue, Sep 2
SMF
Sacramento
CMI
Champaign
$477 Roundtrip, found 1 day ago
$477
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Aug 27 from Sacramento to Champaign, returning Tue, Sep 2, priced at $477 found 1 day ago
American Airlines
Wed, Sep 3 - Sat, Sep 6
SMF
Sacramento
CMI
Champaign
$483 Roundtrip, found 1 day ago
$483
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Sep 3 from Sacramento to Champaign, returning Sat, Sep 6, priced at $483 found 1 day ago
American Airlines
Wed, Aug 27 - Wed, Sep 3
SMF
Sacramento
CMI
Champaign
$484 Roundtrip, just found
$484
Roundtrip
just found
Select American Airlines flight, departing Wed, Aug 27 from Sacramento to Champaign, returning Wed, Sep 3, priced at $484 just found
American Airlines
Wed, Sep 3 - Sat, Sep 6
SMF
Sacramento
CMI
Champaign
$488 Roundtrip, found 1 day ago
$488
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Sep 3 from Sacramento to Champaign, returning Sat, Sep 6, priced at $488 found 1 day ago
Flights from Sacramento (SMF) to Champaign (CMI)
Origin airport
Sacramento Intl.
Destination airport
University Of Illinois Urbana-Champaign Williard
Airlines serving
American Airlines
Roundtrip price
$444
Distance
1772 mi

Sacramento to Champaign Flights

The cheapest times to fly from Sacramento 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 Sacramento to Champaign are during the month of August. You can find some of the cheapest flights from Sacramento to Champaign with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sacramento to Champaign

Sunday is one of the best days to book for cheap flights from Sacramento 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 Sacramento 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 Sacramento to Champaign in 2025. You can also book with separate airlines for your outbound and return journeys, from $441 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 Sacramento 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 Sacramento 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.

 

Frequently asked questions

How much does a flight from Sacramento Intl. Airport (SMF) to University Of Illinois Urbana-Champaign Williard Airport (CMI) cost?
Discover the latest flight deals from SMF to CMI by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SMF to CMI?
The cheapest flights from SMF to CMI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SMF to CMI?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SMF to CMI. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Sacramento Intl. Airport (SMF) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
You'll have to hop on a flight with a layover when traveling from Sacramento Intl. Airport (SMF) to University Of Illinois Urbana-Champaign Williard Airport (CMI). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from SMF to CMI?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on a number of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sacramento Intl. Airport (SMF) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
To arrive at University Of Illinois Urbana-Champaign Williard Airport (CMI) without delays, select a flight that leaves from Sacramento Intl. Airport (SMF) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Sacramento Intl. Airport (SMF) to University Of Illinois Urbana-Champaign Williard Airport (CMI) last-minute?
Booking your flight from SMF to CMI just before your journey is typically more expensive. But if you're flexible with your departure dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a SMF to CMI flight and hotel package?
Opting for a SMF to CMI flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our impressive range of hotels and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sacramento Intl. Airport (SMF) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
Typically, you're able to cancel or reschedule your SMF to CMI flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need more information, visit our Customer Service portal.

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*Available to One Key members.