Green Bay (GRB) to Buffalo (BUF) flights
2 airlines fly nonstop from Green Bay (GRB) to Buffalo (BUF): American Airlines and Delta Air Lines. The two airports are 481 miles (774 km) apart. American Airlines is in oneworld and Delta Air Lines is in SkyTeam. There are also 5 ways to fly it with one stop, through Detroit, Chicago and Minneapolis and more.
Airlines flying nonstop from GRB to BUF
- American Airlinesoneworld · bookable with 9 programsWho books it
- Delta Air LinesSkyTeam · bookable with 8 programsWho books it
Book GRB to BUF with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Aeromexico RewardsBooks Delta Air Lines
- Air France-KLM Flying BlueBooks Delta Air Lines
- Alaska Atmos RewardsBooks American Airlines
- American AAdvantageBooks American Airlines
- British Airways ClubBooks American Airlines
- Cathay Pacific Asia MilesBooks American Airlines
- China Eastern Eastern MilesBooks Delta Air Lines
- Delta SkyMilesBooks Delta Air Lines
- Finnair PlusBooks American Airlines
- Garuda Indonesia GarudaMilesBooks Delta Air Lines
- Iberia ClubBooks American Airlines
- JAL Mileage BankBooks American Airlines
- Korean Air SKYPASSBooks Delta Air Lines
- Qantas Frequent FlyerBooks American Airlines
- Qatar Airways Privilege ClubBooks American Airlines
- SAS EuroBonusBooks Delta Air Lines
- Virgin Atlantic Flying ClubBooks Delta Air Lines
GRB to BUF with one stop
5 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Detroit (DTW)Delta Air Lines the whole way
- Via Chicago (ORD)American Airlines and United Airlines the whole way
- Via Minneapolis (MSP)Delta Air Lines the whole way
- Via Boston (BOS)Delta Air Lines the whole way
- Via Charlotte (CLT)American Airlines the whole way
GRB to BUF: common questions
Which airlines fly nonstop from GRB to BUF?
American Airlines (oneworld) and Delta Air Lines (SkyTeam) fly nonstop from Green Bay (GRB) to Buffalo (BUF).
How far is Green Bay from Buffalo by plane?
Green Bay (GRB) and Buffalo (BUF) are 481 miles (774 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book GRB to BUF award flights?
17 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air France-KLM Flying Blue, Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, China Eastern Eastern Miles, Delta SkyMiles and 9 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does GRB to BUF cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for GRB to BUF with taxes and fees.
Where can I connect between Green Bay and Buffalo?
The most direct connections are through Detroit (DTW), Chicago (ORD), Minneapolis (MSP), Boston (BOS) and Charlotte (CLT). On 5 of them the same airline flies both flights, for example Delta Air Lines through Detroit.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.