Cheap Flights from Chicago (ORD) to Buffalo (BUF)

View AU$193 flight on Wed, 22 Oct. 2025Opens in a new window

Popular airlines from Chicago O'Hare International Airport (ORD) to Buffalo Niagara Intl. Airport (BUF)

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Cheap Flights from Chicago (ORD) to Buffalo (BUF)

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

American Airlines
Sat, 27 Sep. - Mon, 29 Sep.
ORD
Chicago
BUF
Buffalo
AU$467 Return, found 3 days ago
AU$467
Return
found 3 days ago
Select American Airlines flight, departing Sat, 27 Sep. from Chicago to Buffalo, returning Mon, 29 Sep., priced at AU$467 found 3 days ago
American Airlines
Sat, 27 Sep. - Mon, 29 Sep.
ORD
Chicago
BUF
Buffalo
AU$482 Return, found 3 days ago
AU$482
Return
found 3 days ago
Select American Airlines flight, departing Sat, 27 Sep. from Chicago to Buffalo, returning Mon, 29 Sep., priced at AU$482 found 3 days ago
American Airlines
Sat, 27 Sep. - Mon, 29 Sep.
ORD
Chicago
BUF
Buffalo
AU$489 Return, found 3 days ago
AU$489
Return
found 3 days ago
Select American Airlines flight, departing Sat, 27 Sep. from Chicago to Buffalo, returning Mon, 29 Sep., priced at AU$489 found 3 days ago
American Airlines
Sat, 13 Sep. - Sun, 14 Sep.
ORD
Chicago
BUF
Buffalo
AU$498 Return, found 5 days ago
AU$498
Return
found 5 days ago
Select American Airlines flight, departing Sat, 13 Sep. from Chicago to Buffalo, returning Sun, 14 Sep., priced at AU$498 found 5 days ago
United
Thu, 25 Sep. - Tue, 30 Sep.
ORD
Chicago
BUF
Buffalo
AU$513 Return, found 3 days ago
AU$513
Return
found 3 days ago
Select United flight, departing Thu, 25 Sep. from Chicago to Buffalo, returning Tue, 30 Sep., priced at AU$513 found 3 days ago
American Airlines
Sat, 13 Sep. - Sun, 14 Sep.
ORD
Chicago
BUF
Buffalo
AU$514 Return, found 5 days ago
AU$514
Return
found 5 days ago
Select American Airlines flight, departing Sat, 13 Sep. from Chicago to Buffalo, returning Sun, 14 Sep., priced at AU$514 found 5 days ago
American Airlines
Fri, 26 Sep. - Sun, 28 Sep.
ORD
Chicago
BUF
Buffalo
AU$521 Return, found 3 days ago
AU$521
Return
found 3 days ago
Select American Airlines flight, departing Fri, 26 Sep. from Chicago to Buffalo, returning Sun, 28 Sep., priced at AU$521 found 3 days ago
American Airlines
Tue, 23 Sep. - Mon, 6 Oct.
ORD
Chicago
BUF
Buffalo
AU$528 Return, found 3 days ago
AU$528
Return
found 3 days ago
Select American Airlines flight, departing Tue, 23 Sep. from Chicago to Buffalo, returning Mon, 6 Oct., priced at AU$528 found 3 days ago
American Airlines
Sat, 13 Sep. - Sun, 14 Sep.
ORD
Chicago
BUF
Buffalo
AU$529 Return, found 5 days ago
AU$529
Return
found 5 days ago
Select American Airlines flight, departing Sat, 13 Sep. from Chicago to Buffalo, returning Sun, 14 Sep., priced at AU$529 found 5 days ago
JetBlue Airways
Fri, 26 Sep. - Tue, 30 Sep.
ORD
Chicago
BUF
Buffalo
AU$534 Return, found 4 days ago
AU$534
Return
found 4 days ago
Select JetBlue Airways flight, departing Fri, 26 Sep. from Chicago to Buffalo, returning Tue, 30 Sep., priced at AU$534 found 4 days ago

Find the cheapest month to fly from Chicago (ORD) to Buffalo (BUF)

August is typically the cheapest month to fly

From AU$151 - AU$512 per traveller.

Graph displaying average flight prices per month

Flight from Chicago to Buffalo route information
Origin airport
O'Hare Intl.
Destination airport
Buffalo Niagara Intl.
Return price
AU$419
Distance
755 km
Average flight time
2 hours 42 mins

Your quick guide to flights from Chicago to Buffalo

Pick up great flights from Chicago to Buffalo

With Expedia, you have your pick of 28 flights a day with 20 airlines covering flights from Chicago to Buffalo. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Chicago to Buffalo that take around 1 hours.

Find cheap flights from Chicago to Buffalo

From the great flight deals with prices currently ranging from AU$467 to AU$534, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Chicago to Buffalo around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Buffalo is normally in September.

Reasons to book your flight from Chicago to Buffalo with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Chicago to Buffalo across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Buffalo right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from O'Hare Intl. Airport (ORD) to BUF?
The lowest price advertised for a round-trip flight between O'Hare Intl. Airport (ORD) and BUF is AU$467. But you better act quick. This price is taken from fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from ORD to BUF?
Most flights can be conveniently cancelled online, but whether or not you incur a fee all comes down to your airline. If you do have to cancel your getaway, follow the instructions in the Customer Service Portal.
How do I find cheap flights from O'Hare Airport to Buffalo Niagara International Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for O'Hare Airport to Buffalo Niagara International Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from O'Hare Airport to Buffalo Niagara International Airport?
The distance from ORD (ORD) to Buffalo Niagara International Airport (BUF) is only 760 kilometres. You'll be stepping off the plane and picking up your bags from the carousel in no time at all.
Which airlines fly direct from ORD to Buffalo Niagara International Airport?
With 117 flights a month operating from O'Hare Intl. Airport (ORD) to BUF, United Airlines (UA) is a popular choice. For more options, check out the deals with American Airlines (AA). This carrier offers 60 flights every month between these airports.
Are ORD to Buffalo Niagara Intl. Airport (BUF) flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally score a bargain, with some super cheap fares from ORD to BUF surfacing a few weeks prior to the departure date. If you'd rather plan ahead of time, Expedia compares and updates all the best flight deals frequently — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines issue prices so far in advance.

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