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$375+ Cheap flights from Champaign to Buffalo (CMI - BUF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — BUF
Oct 25 — Nov 11
Sat 10/25
Sat 11/1
1 adult, Economy
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Cheap 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 September 25, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$464
(American Airlines)

One-way from

$375
(American Airlines)
Provider with most accurate pricing for Champaign University-Willard-Buffalo flight deals.
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Provider most trusted by Cheapflights users for Champaign University-Willard-Buffalo flights.
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From Champaign University-Willard to Buffalo
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One-way flight from Champaign University-Willard to Buffalo
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Find 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 September 25, 2025.

This American Airlines deal was found by Cheapflights users on 9/25. 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.
Fri 11/711:20 amCMI - BUF
1 stop3h 36mAmerican Airlines
Sun 11/94:26 pmBUF - CMI
1 stop4h 00mAmerican Airlines
Deal found 9/25$464

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 September 25, 2025.
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

Fri 11/7

11:20 am-3:56 pm

1 stop3h 36m

Buffalo

Sun 11/9

4:26 pm-7:26 pm

1 stop4h 00m

$464

ChampaignBuffalo

CMI - BUF

CMIBUF

Champaign University-Willard

Tue 9/30

11:17 am-4:50 pm

1 stop4h 33m

$375

ChampaignBuffalo

CMI - BUF

CMIBUF

Champaign University-Willard

Wed 10/1

11:17 am-4:50 pm

1 stop4h 33m

$375

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/23

  • Most accurate provider: When it comes to deals on Champaign-Buffalo flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Champaign-Buffalo flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Champaign-Buffalo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Champaign-Buffalo flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Champaign-Buffalo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 3h 36m. American Airlines provides one of the quickest options available for as low as $464. 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.

  • What is the cheapest month to book a flight from Champaign to Buffalo?

    Currently, January is the cheapest month in which you can book a flight from Champaign to Buffalo (average of $256). Flying from Champaign to Buffalo in December is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Buffalo?

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

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