*Flight schedules are subject to change.
*Available to One Key members.
$90 Cheap Flights from Chicago (CHI) to Buffalo (BUF)
Popular airlines from Chicago to Buffalo, NY (BUF-Buffalo Niagara Intl.)
Be in the knowGet alerts if flight prices drop or rise*
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Cheap Flights from Chicago to Buffalo (CHI-BUF)
Prices were available within the past 7 days and start at $90 for one-way flights and $195 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Wed, Sep 30 - Wed, Oct 7
MDW
Chicago
BUF
Buffalo
$195 Roundtrip, found 1 day ago
$195
Roundtrip
found 1 day ago
Wed, Sep 30 - Wed, Oct 7
ORD
Chicago
BUF
Buffalo
$195 Roundtrip, found 1 day ago
$195
Roundtrip
found 1 day ago
Wed, Sep 23 - Wed, Sep 30
MDW
Chicago
BUF
Buffalo
$200 Roundtrip, found 5 hours ago
$200
Roundtrip
found 5 hours ago
Wed, Oct 21 - Sat, Oct 24
ORD
Chicago
BUF
Buffalo
$210 Roundtrip, found 3 hours ago
$210
Roundtrip
found 3 hours ago
Wed, Sep 23 - Sat, Sep 26
ORD
Chicago
BUF
Buffalo
$215 Roundtrip, found 6 hours ago
$215
Roundtrip
found 6 hours ago
Wed, Sep 30 - Thu, Oct 1
ORD
Chicago
BUF
Buffalo
$219 Roundtrip, found 1 day ago
$219
Roundtrip
found 1 day ago
Wed, Sep 23 - Sat, Sep 26
RFD
Rockford
BUF
Buffalo
$311 Roundtrip, found 5 days ago
$311
Roundtrip
found 5 days ago
Thu, Oct 1 - Tue, Oct 6
ORD
Chicago
BUF
Buffalo
$337 Roundtrip, found 21 hours ago
$337
Roundtrip
found 21 hours ago
Fri, Oct 9 - Mon, Oct 12
ORD
Chicago
BUF
Buffalo
$359 Roundtrip, just found
$359
Roundtrip
just found
Thu, Oct 22 - Wed, Oct 28
MDW
Chicago
BUF
Buffalo
$359 Roundtrip, found 4 hours ago
$359
Roundtrip
found 4 hours ago
Alternative airports near Buffalo
Prices were available within the past 7 days. Prices and availability are subject to change.
Find the cheapest month to fly from Chicago (CHI) to Buffalo (BUF)
January is typically the cheapest month to fly
From $128 - $336 per traveler.
Travel information
Origin airport | Midway Intl. |
|---|---|
Destination airport | Buffalo Niagara Intl. |
Roundtrip price | $195 |
Distance | 466 mi |
Book with confidence
Chicago to Buffalo Flights
The cheapest times to fly from Chicago to Buffalo
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 Chicago to Buffalo are during the month of September. You can find some of the cheapest flights from Chicago to Buffalo with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Chicago to Buffalo
Sunday is one of the best days to book for cheap flights from Chicago to Buffalo: 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 Chicago to Buffalo
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 Chicago to Buffalo in 2026. You can also book with separate airlines for your outbound and return journeys, from $90 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 Chicago to Buffalo 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 Chicago to Buffalo 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.
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