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.

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Schedules

American Airlines

Non-stop with American Airlines

  • Total flight time: 1 hour and 40 minutes
  • One World Alliance
  • First class available
GRB
Direct
BUF

The timetable & schedule information was updated at 2026-04-21

Delta Air Lines

Non-stop with Delta Air Lines

  • Total flight time: 1 hour and 45 minutes
  • Sky Team Alliance
  • First class available
GRB
Direct
BUF

The timetable & schedule information was updated at 2026-04-21

Delta Air Lines

Via Detroit with Delta Air Lines

  • Total flight time: 3h 01m - 5h 02m.
  • Sky Team Alliance
  • 78 flights per week
GRB
 
Via DTW
 
BUF

The timetable & schedule information was updated at 2026-04-21

American Airlines

Via Chicago with American Airlines

  • Total flight time: 3h 30m - 6h 02m.
  • One World Alliance
  • 78 flights per week
GRB
 
Via ORD
 
BUF

The timetable & schedule information was updated at 2026-04-21

United Airlines

Via Chicago with United Airlines

  • Total flight time: 3h 45m - 5h 55m.
  • 140 flights per week
GRB
 
Via ORD
 
BUF
 
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UA4504
UA5690
05:00
05:00
05:00
05:00
05:00
05:00
05:00
UA4397
UA4382
06:30
06:30
06:30
06:30
06:30
06:30
06:30
UA4543
UA4382
08:00
08:00
08:00
08:00
08:00
08:00
08:00
UA4193
UA2226
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10:37
10:37
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10:37
UA4188
UA2226
10:37
10:37
10:37
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UA4193
UA5513
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10:37
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UA4595
UA1335
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14:35
14:35
14:35
14:35
UA4427
UA1335
14:35
14:35
14:35
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UA4409
UA1335
15:44
15:44
15:44
15:44
15:44
15:44
15:44
SHOW RETURN SCHEDULE
CHECK PRICES FOR GRB - BUF

The timetable & schedule information was updated at 2026-04-21

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Flight data on this page was last updated on 2026-06-08