Need help booking?
Unpublished phone-only deals available
GRB to BUF: distance & flight time
Green Bay (Austin Straubel International Airport) → Buffalo (Buffalo Niagara International Airport)
481 mi
774 km · 418 nm
1h 31m
estimated nonstop flight time
+1h
time difference · heading east
See live GRB→BUF fares Phone-only fares on this route — call free
Flight time details
481 miles nonstop takes roughly 1h 31m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- GRB — Austin Straubel International Airport · Green Bay, United States
- BUF — Buffalo Niagara International Airport · Buffalo, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near GRB
- ATW · Appleton International Airport25 mi away
- OSH · Wittman Regional Airport41 mi away
- MNM · Menominee Regional Airport50 mi away
- SBM · Sheboygan County Memorial Airport51 mi away
Near BUF
- IAG · Niagara Falls International Airport16 mi away
- YYZ · Lester B. Pearson International Airport68 mi away
- YCM · Niagara District Airport28 mi away
- DKK · Chautauqua County-Dunkirk Airport41 mi away
Frequently asked questions
How far is GRB from BUF?
The flight distance from Green Bay (GRB) to Buffalo (BUF) is 481 miles (774 km, 418 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRB to BUF?
A nonstop flight takes about 1h 31m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Green Bay and Buffalo?
Buffalo is 1 hour ahead of Green Bay.
What is the cheapest way to fly from GRB to BUF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRB–BUF that never appear on search engines, with no booking fees.