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$328+ Cheap flights from Champaign to Buffalo (CMI - BUF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — BUF
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
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Cheap flight deals from Champaign to Buffalo

Cheapest flights from Champaign to Buffalo
Explore the most affordable flight options available from Champaign to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 19, 2026.

This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/151:32 pm
CMI
-
BUF
1 stop5h 59m
United Airlines
Wed 8/197:00 am
BUF
-
CMI
1 stop6h 50m
United Airlines
Deal found 2/15$328
This United Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/161:36 pm
CMI
-
BUF
1 stop6h 25m
United Airlines
Sun 5/178:40 pm
BUF
-
CMI
1 stop4h 09m
United Airlines
Deal found 2/18$333
This American Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:05 am
CMI
-
BUF
2 stops14h 19m
American Airlines
Sun 5/1712:13 pm
BUF
-
CMI
2 stops10h 22m
American Airlines
Deal found 2/18$645

Find flight deals from Champaign to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from Champaign (CMI) to Buffalo (BUF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 19, 2026.

Round-trip from

$328
(United Airlines)
From Champaign University-Willard to Buffalo
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Champaign to Buffalo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 19, 2026.
Use the filters below to find and compare flights from Champaign to Buffalo that are best for you.

Fly from

Champaign

Fly to

Buffalo

Route

Depart

Return

Price

ChampaignBuffalo

CMI - BUF

CMIBUF

Champaign University-Willard

Sat 8/15

1:32 pm-8:31 pm

1 stop5h 59m

Buffalo

Wed 8/19

7:00 am-12:50 pm

1 stop6h 50m

$328

ChampaignBuffalo

CMI - BUF

CMIBUF

Champaign University-Willard

Sat 5/16

1:36 pm-9:01 pm

1 stop6h 25m

Buffalo

Sun 5/17

8:40 pm-11:49 pm

1 stop4h 09m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/15

Best time to book a flight from Champaign to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from Champaign with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Champaign to Buffalo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Champaign to Buffalo?

    A quick flight from Champaign to Buffalo can take about 5h 59m. United Airlines provides one of the quickest options available for as low as $328. Champaign and Buffalo are separated by a distance of 532 mi.

  • Can I find deals for flights from Champaign to Buffalo that include hotel bookings?

    Yes. In addition to deals on Champaign to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Champaign to Buffalo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Champaign to Buffalo.

  • Can I find deals for business class flights from Champaign to Buffalo?

    Yes. Cheapflights offers flight deals from Champaign to Buffalo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Lockport
Cheektowaga
Batavia
Williamsville
Orchard Park
Eden
Amherst
West Seneca

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