American Airlines
Oneworld
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United States
O'Hare International Airport
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United States
Buffalo Niagara International Airport
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Scan through all non-stop flights from Chicago to Buffalo. The full flight schedule below gives an overview of all non-stop flights from ORD to BUF, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
Warm Continental destinations such as Buffalo enjoy summer temperatures that fluctuate between 20°C and 28°C (68°F to 82°F), with some heatwaves leading to even hotter days. Winters are mostly cold and snowy, with average temperatures ranging from -5°C to 0°C (23°F to 32°F). Travelers can enjoy the vibrant autumn scenery, ski during the winter season, or enjoy the comfortable to warm summer months.
If you're planning a trip to Buffalo, the best time to visit is from late spring through the end of summer, when the weather is pleasantly warm from May to August. Winters can be quite cold, with frost occurring almost every month from November to March and regular snowfall. This makes the mountainous regions perfect for winter sports, offering great opportunities for a winter getaway as well!
In total there are 2 airlines operating nonstop flights from Chicago ORD to Buffalo BUF. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their ORD BUF flight schedule.
Flights from ORD to BUF are operated 6 times a week, with an average of 1 flight per day. Departure times vary between 06:35 - 21:30. The earliest flight departs at 06:35, the last flight departs at 21:30. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).
The fastest direct flight from Chicago to Buffalo takes 1 hour and 44 minutes. The flight distance between Chicago and Buffalo is 471 miles (or 758 km).
There is 1 airport in Buffalo: Buffalo Niagara International Airport (BUF).
There are 6 flights per week flying from Chicago to Buffalo (as of March 2026).
1 hour and 44 minutes is the average flight time from Chicago to Buffalo.
The distance from Chicago to Buffalo is 471 miles (758 kilometers).
American Airlines and United Airlines are flying nonstop from Chicago to Buffalo.
Oneworld and Star Alliance are flying nonstop from Chicago to Buffalo.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from Chicago to Buffalo:
The earliest flight departs at 06:35 from Chicago and arrives at 09:14 at Buffalo.
The latest flight departs at 21:30 from Chicago and arrives at 00:14 at Buffalo.
471 miles (758 km) · 1h 44m
09:05
11:49
American Airlines
Oneworld
AA 4420
American Airlines
Embraer 175
Y
W
J
F
09:05
11:49
American Airlines
Oneworld
AA 4420
American Airlines
Embraer 175
Y
W
J
F
10:30
13:13
United Airlines
Star Alliance
UA 4382
United Airlines
Bombardier CRJ 550
Y
W
J
F
13:45
16:23
American Airlines
Oneworld
AA 3382
American Airlines
Embraer 175
Y
W
J
F
14:25
17:10
United Airlines
Star Alliance
UA 3683
United Airlines
Embraer 175
Y
W
J
F
14:48
17:29
American Airlines
Oneworld
AA 4349
American Airlines
Embraer 175
Y
W
J
F
14:48
17:29
American Airlines
Oneworld
AA 4349
American Airlines
Embraer 175
Y
W
J
F
18:02
20:43
United Airlines
Star Alliance
UA 1335
United Airlines
Airbus A319
Y
W
J
F
18:02
20:43
United Airlines
Star Alliance
UA 1335
United Airlines
Boeing 737-800
Y
W
J
F
20:52
23:40
American Airlines
Oneworld
AA 4336
American Airlines
Embraer 175
Y
W
J
F
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