Green Bay to Buffalo (GRB–BUF) — Airlines, Schedules & Connections

GRB Airport Page →
airlines charter/private
On-time Some delays Frequent delays
Connecting Flight Schedule 7 1-stop flights
No nonstop service between GRB and BUF. Nearest airports to GRB with scheduled service: Appleton International Airport (ATW, 25 mi) · Central Wisconsin Airport (CWA, 78 mi) · Ford Airport (IMT, 92 mi)
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 7 hubs
DTW Detroit 3h 18m AFDLKE → AAAFDL Detroit (DTW) to Buffalo flights
ORD Chicago 3h 59m AABACM → AAACAS Chicago (ORD) to Buffalo flights
DCA Washington 4h 30m DL → AAAS Washington (DCA) to Buffalo flights
MSP Minneapolis 4h 57m AFDLKE → AFDL Minneapolis (MSP) to Buffalo flights
ATL Atlanta 6h 25m AMDLKE → AMDLF9 Atlanta (ATL) to Buffalo flights
LGA New York ~5h 16m AADL → AADL New York (LGA) to Buffalo flights
EWR Newark ~5h 23m UA → CMOSUA Newark (EWR) to Buffalo flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Green Bay to Buffalo
Connecting service available through multiple hubs.
+1h ahead

While no nonstop service exists between GRB and BUF, 1-stop connecting options are available.

Also explore Browse available seat maps GRB Routes BUF Routes GRB Live Flights BUF Live Flights GRB Delays BUF Delays
All flights from Buffalo (BUF) Buffalo to Green Bay flights
Connections

Connection Landscape

1-stop and 2-stop options for GRB to BUF.
1-STOP
One-Stop Connections
7
Hubs
~3h
Fastest
~6h
Longest
DTW ~3h 18m ORD ~3h 59m DCA ~4h 30m MSP ~4h 57m LGA ~5h 16m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
158
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
GRB → BUF
67%
Moderate delays possible. Allow buffer time.
Departing
67%
Arriving
47%
Return
BUF → GRB
89%
Generally reliable. Most flights run on time.
Departing
89%
Arriving
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. GRB delays → BUF delays →
Alternatives

Other ways to reach Buffalo from Green Bay

Nearby airports with service to Buffalo Niagara International Airport.
Metric GRB→BUF MKE→BUF
Distance from GRB – 107 mi
Nonstop airlines – 4
Weekly flights – –
Departure OTP 67% –
Milwaukee (MKE) to Buffalo flights
Airports within 200 miles of GRB with service to Buffalo Niagara International Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
+1h
Buffalo is 1 hour ahead of Green Bay.
GRB: CDT · BUF: EDT

When it's 6:00 PM in Green Bay, it's 7:00 PM in Buffalo.
Facts

GRB–BUF Quick Facts

Key statistics for the Green Bay to Buffalo route.
Route details
Time difference+1 hour
Airlines (nonstop)0
1-stop connectionsAvailable
Origin: GRB
Full nameAustin Straubel International Airport
IATA / ICAOGRB / KGRB
TimezoneAmerica/Chicago
Passengers/yr0.7M
Elevation695 ft / 212 m
Destination: BUF
Full nameBuffalo Niagara International Airport
IATA / ICAOBUF / KBUF
TimezoneAmerica/New_York
Passengers/yr5.0M
Elevation728 ft / 222 m
FAQ

Frequently Asked Questions

Common questions about GRB to BUF flights.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Detroit Metropolitan Wayne County, Chicago O'Hare and Ronald Reagan Washington National.
On a single ticket, yes. Your bags are checked through to BUF and move between planes without you. On two separate tickets you collect your bags at the connecting airport and recheck them, so build in extra layover time.
Buffalo is 1 hour ahead of Green Bay.
Yes, return flights from BUF to GRB are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include MKE. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Detroit Metropolitan Wayne County, Chicago O'Hare and Ronald Reagan Washington National. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Milwaukee (MKE).