Airlines with flights from Green Bay to Buffalo
There are three airlines with scheduled flights between GRB and BUF. Both American Airlines and Delta operates non-stop flights from Austin Straubel International to Buffalo Niagara International and the flight time is 1 hour and 40 minutes.
Choose airline
Schedules
Non-stop with American Airlines
-
Total flight time: 1 hour and 40 minutes
-
One World Alliance
-
First class available
GRB
Direct
BUF
W26, Jun 22 - Jun 28
Flight
The next flight with this airline is scheduled on 2026-12-14.
The timetable & schedule information was updated at 2026-04-21
Non-stop with Delta Air Lines
-
Total flight time: 1 hour and 45 minutes
-
Sky Team Alliance
-
First class available
GRB
Direct
BUF
W26, Jun 22 - Jun 28
Flight
The next flight with this airline is scheduled on 2026-12-14.
The timetable & schedule information was updated at 2026-04-21
Via Detroit with Delta Air Lines
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Total flight time: 3h 01m - 5h 02m.
-
Sky Team Alliance
-
78 flights per week
GRB
Via DTW
BUF
W26, Jun 22 - Jun 28
Flight
Mon
Jun 22
Tue
Jun 23
Wed
Jun 24
Thu
Jun 25
Fri
Jun 26
Sat
Jun 27
Sun
Jun 28
DL3984
DL3636
DL3636
06:50
06:50
06:50
06:50
06:50
06:50
06:50
DL4059
DL3642
DL3642
11:07
11:07
11:07
11:07
11:07
11:07
11:07
DL4678
DL978
DL978
18:00
18:00
18:00
18:00
18:00
----
18:00
DL3668
DL978
DL978
----
----
----
----
----
18:00
----
The timetable & schedule information was updated at 2026-04-21
Via Chicago with American Airlines
-
Total flight time: 3h 30m - 6h 02m.
-
One World Alliance
-
78 flights per week
GRB
Via ORD
BUF
W26, Jun 22 - Jun 28
Flight
Mon
Jun 22
Tue
Jun 23
Wed
Jun 24
Thu
Jun 25
Fri
Jun 26
Sat
Jun 27
Sun
Jun 28
AA3546
AA4913
AA4913
09:43
09:43
09:43
09:43
09:43
09:57
09:43
AA3543
AA564
AA564
14:55
14:55
14:55
14:55
14:55
14:55
14:55
AA3545
AA403
AA403
18:53
18:53
18:53
18:53
18:53
18:53
18:53
The timetable & schedule information was updated at 2026-04-21
Via Chicago with United Airlines
-
Total flight time: 3h 45m - 5h 55m.
-
140 flights per week
GRB
Via ORD
BUF
W26, Jun 22 - Jun 28
Flight
Mon
Jun 22
Tue
Jun 23
Wed
Jun 24
Thu
Jun 25
Fri
Jun 26
Sat
Jun 27
Sun
Jun 28
UA4504
UA5690
UA5690
05:00
05:00
05:00
05:00
05:00
05:00
05:00
UA4397
UA4382
UA4382
06:30
06:30
06:30
06:30
06:30
06:30
06:30
UA4543
UA4382
UA4382
08:00
08:00
08:00
08:00
08:00
08:00
08:00
UA4193
UA2226
UA2226
----
----
----
10:37
10:37
----
10:37
UA4188
UA2226
UA2226
10:37
10:37
10:37
----
----
----
----
UA4193
UA5513
UA5513
----
----
----
----
----
10:37
----
UA4595
UA1335
UA1335
----
----
----
14:35
14:35
14:35
14:35
UA4427
UA1335
UA1335
14:35
14:35
14:35
----
----
----
----
UA4409
UA1335
UA1335
15:44
15:44
15:44
15:44
15:44
15:44
15:44
The timetable & schedule information was updated at 2026-04-21

There are three airlines with scheduled flights between GRB and BUF. Both American Airlines and Delta operates non-stop flights from Austin Straubel International to Buffalo Niagara International and the flight time is 1 hour and 40 minutes.