HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buffalo

$435+ 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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — BUF
Feb 1 — Feb 81
Sun 2/1
Sun 2/8
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Champaign to Buffalo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Champaign to Buffalo

Best flights from Champaign to Buffalo
Discover carefully curated flight deals from Champaign to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 2, 2026.

This American Airlines deal was found by Cheapflights users on 1/1. 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 1/166:53 pmCMI - BUF
2 stops13h 05mAmerican Airlines
Tue 1/206:00 amBUF - CMI
2 stops13h 23mAmerican Airlines
Deal found 1/1$435
This American Airlines deal was found by Cheapflights users on 1/1. 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.
Thu 3/269:52 amCMI - BUF
1 stop6h 37mAmerican Airlines
Sun 3/296:09 amBUF - CMI
1 stop4h 13mAmerican Airlines
Deal found 1/1$485

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 January 2, 2026.

Round-trip from

$435
(American 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 January 2, 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

Fri 1/16

6:53 pm-8:58 am

2 stops13h 05m

Buffalo

Tue 1/20

6:00 am-6:23 pm

2 stops13h 23m

$435

ChampaignBuffalo

CMI - BUF

CMIBUF

Champaign University-Willard

Thu 3/26

9:52 am-5:29 pm

1 stop6h 37m

Buffalo

Sun 3/29

6:09 am-9:22 am

1 stop4h 13m

$485

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/1

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 13h 05m. American Airlines provides one of the quickest options available for as low as $435. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Champaign to Buffalo

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to John F Kennedy Intl flights
O'Hare Intl to LaGuardia flights
O'Hare Intl to Newark flights
Midway to John F Kennedy Intl flights
Midway to LaGuardia flights
Midway to Newark flights
St. Louis to LaGuardia flights
St. Louis to Newark flights
St. Louis to John F Kennedy Intl flights
O'Hare Intl to Albany flights
O'Hare Intl to Buffalo flights
O'Hare Intl to Syracuse flights
O'Hare Intl to White Plains flights
O'Hare Intl to Rochester flights
Moline to LaGuardia flights
Moline to John F Kennedy Intl flights
Moline to Newark flights
Midway to Albany flights
O'Hare Intl to Islip flights
Midway to Buffalo flights
St. Louis to Buffalo flights
Peoria to LaGuardia flights
Midway to Rochester flights
Midway to Syracuse flights
St. Louis to Albany flights
Peoria to Newark flights
Midway to White Plains flights
St. Louis to Elmira flights
O'Hare Intl to Ithaca flights
Bloomington to John F Kennedy Intl flights
Evansville to John F Kennedy Intl flights
Moline to Rochester flights
Bloomington to LaGuardia flights
St. Louis to Rochester flights
Peoria to John F Kennedy Intl flights
Peoria to Rochester flights
Evansville to LaGuardia flights
Bloomington to Newark flights
O'Hare Intl to Elmira flights
St. Louis to White Plains flights
Champaign to LaGuardia flights
Champaign to Newark flights
Champaign to John F Kennedy Intl flights
Peoria to Syracuse flights
Evansville to Newark flights
St. Louis to Syracuse flights
St. Louis to Ithaca flights
Springfield to LaGuardia flights
Springfield to Newark flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.