American Airlines
Oneworld
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United States
Buffalo Niagara International Airport
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Scan through all non-stop flights from Green Bay to Buffalo. The full flight schedule below gives an overview of all non-stop flights from GRB 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!

Currently, there is only one airline operating non-stop flights from Green Bay GRB to Buffalo BUF, which is American Airlines. 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 GRB BUF flight schedule.
All flights depart at 09:45.
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 Green Bay to Buffalo takes 1 hour and 40 minutes. The flight distance between Green Bay and Buffalo is 480 miles (or 772 km).
There is 1 airport in Buffalo: Buffalo Niagara International Airport (BUF).
There are 0 flights per week flying from Green Bay to Buffalo (as of June 2026).
1 hour and 40 minutes is the average flight time from Green Bay to Buffalo.
The distance from Green Bay to Buffalo is 480 miles (772 kilometers).
American Airlines is the only airline flying nonstop from Green Bay to Buffalo.
Oneworld is currently the only alliance flying nonstop from Green Bay to Buffalo.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from Green Bay to Buffalo:
The earliest flight departs at 09:45 from Green Bay and arrives at 12:25 at Buffalo.
The latest flight departs at 09:45 from Green Bay and arrives at 12:25 at Buffalo.
480 miles (772 km) · 1h 40m
09:45
12:25
American Airlines
Oneworld
AA 3955
American Airlines
Embraer 175
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F
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