Cheap Flights from Buffalo (BUF) to Champaign (CMI)

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Champaign, IL (CMI-University Of Illinois Urbana-Champaign Williard)

Cheap Flights from Buffalo to Champaign (BUF-CMI)

Prices were available within the past 7 days and start at for one-way flights and $472 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Dec 13 - Wed, Dec 17
BUF
Buffalo
CMI
Champaign
$472 Roundtrip, found 3 days ago
$472
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Dec 13 from Buffalo to Champaign, returning Wed, Dec 17, priced at $472 found 3 days ago
American Airlines
Sat, Dec 13 - Fri, Dec 19
BUF
Buffalo
CMI
Champaign
$494 Roundtrip, found 3 days ago
$494
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Dec 13 from Buffalo to Champaign, returning Fri, Dec 19, priced at $494 found 3 days ago
American Airlines
Sat, Nov 15 - Wed, Nov 19
BUF
Buffalo
CMI
Champaign
$542 Roundtrip, found 3 days ago
$542
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Nov 15 from Buffalo to Champaign, returning Wed, Nov 19, priced at $542 found 3 days ago
American Airlines
Sat, Dec 13 - Thu, Dec 18
BUF
Buffalo
CMI
Champaign
$545 Roundtrip, found 3 days ago
$545
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Dec 13 from Buffalo to Champaign, returning Thu, Dec 18, priced at $545 found 3 days ago
American Airlines
Tue, Nov 25 - Tue, Dec 2
BUF
Buffalo
CMI
Champaign
$548 Roundtrip, found 10 hours ago
$548
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Tue, Nov 25 from Buffalo to Champaign, returning Tue, Dec 2, priced at $548 found 10 hours ago
American Airlines
Sat, Nov 15 - Thu, Nov 20
BUF
Buffalo
CMI
Champaign
$559 Roundtrip, found 3 days ago
$559
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Nov 15 from Buffalo to Champaign, returning Thu, Nov 20, priced at $559 found 3 days ago
American Airlines
Sun, Nov 23 - Tue, Dec 2
BUF
Buffalo
CMI
Champaign
$565 Roundtrip, found 10 hours ago
$565
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Sun, Nov 23 from Buffalo to Champaign, returning Tue, Dec 2, priced at $565 found 10 hours ago
American Airlines
Mon, Dec 15 - Mon, Dec 22
BUF
Buffalo
CMI
Champaign
$567 Roundtrip, found 3 days ago
$567
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Dec 15 from Buffalo to Champaign, returning Mon, Dec 22, priced at $567 found 3 days ago
American Airlines
Wed, Dec 17 - Mon, Dec 22
BUF
Buffalo
CMI
Champaign
$576 Roundtrip, found 3 days ago
$576
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Dec 17 from Buffalo to Champaign, returning Mon, Dec 22, priced at $576 found 3 days ago
American Airlines
Sat, Nov 15 - Tue, Nov 25
BUF
Buffalo
CMI
Champaign
$577 Roundtrip, found 3 days ago
$577
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Nov 15 from Buffalo to Champaign, returning Tue, Nov 25, priced at $577 found 3 days ago
American Airlines
Sat, Nov 15 - Sun, Nov 23
BUF
Buffalo
CMI
Champaign
$580 Roundtrip, found 3 days ago
$580
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Nov 15 from Buffalo to Champaign, returning Sun, Nov 23, priced at $580 found 3 days ago
American Airlines
Sat, Dec 13 - Sat, Dec 20
BUF
Buffalo
CMI
Champaign
$582 Roundtrip, found 3 days ago
$582
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Dec 13 from Buffalo to Champaign, returning Sat, Dec 20, priced at $582 found 3 days ago
American Airlines
Sat, Dec 13 - Sun, Dec 21
BUF
Buffalo
CMI
Champaign
$583 Roundtrip, found 3 days ago
$583
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Dec 13 from Buffalo to Champaign, returning Sun, Dec 21, priced at $583 found 3 days ago
American Airlines
Mon, Nov 24 - Tue, Dec 2
BUF
Buffalo
CMI
Champaign
$586 Roundtrip, found 10 hours ago
$586
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Mon, Nov 24 from Buffalo to Champaign, returning Tue, Dec 2, priced at $586 found 10 hours ago
American Airlines
Tue, Nov 25 - Thu, Nov 27
BUF
Buffalo
CMI
Champaign
$589 Roundtrip, found 10 hours ago
$589
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Tue, Nov 25 from Buffalo to Champaign, returning Thu, Nov 27, priced at $589 found 10 hours ago
American Airlines
Thu, Nov 13 - Tue, Nov 25
BUF
Buffalo
CMI
Champaign
$594 Roundtrip, found 3 days ago
$594
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Nov 13 from Buffalo to Champaign, returning Tue, Nov 25, priced at $594 found 3 days ago
American Airlines
Thu, Nov 13 - Sun, Nov 23
BUF
Buffalo
CMI
Champaign
$597 Roundtrip, found 3 days ago
$597
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Nov 13 from Buffalo to Champaign, returning Sun, Nov 23, priced at $597 found 3 days ago
American Airlines
Mon, Dec 15 - Sat, Dec 20
BUF
Buffalo
CMI
Champaign
$604 Roundtrip, found 3 days ago
$604
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Dec 15 from Buffalo to Champaign, returning Sat, Dec 20, priced at $604 found 3 days ago
American Airlines
Mon, Dec 15 - Sun, Dec 21
BUF
Buffalo
CMI
Champaign
$605 Roundtrip, found 3 days ago
$605
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Dec 15 from Buffalo to Champaign, returning Sun, Dec 21, priced at $605 found 3 days ago
American Airlines
Sat, Dec 13 - Tue, Dec 23
BUF
Buffalo
CMI
Champaign
$611 Roundtrip, found 3 days ago
$611
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Dec 13 from Buffalo to Champaign, returning Tue, Dec 23, priced at $611 found 3 days ago

Frequently asked questions

How much does a flight from Buffalo Niagara Intl. Airport (BUF) to University Of Illinois Urbana-Champaign Williard Airport (CMI) cost?
Snag a cheap one-way flight or cheap return flight from $472 from Buffalo Niagara Intl. Airport (BUF) to University Of Illinois Urbana-Champaign Williard Airport (CMI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Buffalo Niagara Intl. Airport (BUF) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
Flying in December can help you save, as it's the cheapest month for flights between BUF and CMI. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest BUF to CMI flight.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
Direct flights from Buffalo Niagara Intl. Airport (BUF) to University Of Illinois Urbana-Champaign Williard Airport (CMI) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BUF to CMI?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Buffalo Niagara Intl. Airport (BUF) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
To reach University Of Illinois Urbana-Champaign Williard Airport (CMI) without delays, select a flight that leaves from Buffalo Niagara Intl. Airport (BUF) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Buffalo Niagara Intl. Airport (BUF) to University Of Illinois Urbana-Champaign Williard Airport (CMI) last-minute?
Booking your flight from BUF to CMI just before your getaway is generally more expensive. However, if you're flexible with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book a BUF to CMI flight and hotel package?
Compared with arranging hotels and flights separately, booking a BUF to CMI flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place will take the stress out of planning your trip. Just secure your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Buffalo Niagara Intl. Airport (BUF) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
Typically, you can modify or cancel your BUF to CMI flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more information, head to our Customer Service portal.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
University Of Illinois Urbana-Champaign Williard
Airlines serving
American Airlines
Roundtrip price
$472
Distance
532 mi

Book with confidence

Buffalo to Champaign Flights

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

 

The best time to book a flight from Buffalo to Champaign

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

 

Buffalo to Champaign Flights

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*Available to One Key members.