Airlines with flights from Buffalo to Chicago
There are three airlines with scheduled flights between BUF and ORD. Both American Airlines and United operates non-stop flights from Buffalo Niagara International to Chicago O'Hare and the flight time is 2 hours and 10 minutes.
There are three airlines with scheduled flights between BUF and ORD. Both American Airlines and United operates non-stop flights from Buffalo Niagara International to Chicago O'Hare and the flight time is 2 hours and 10 minutes. Choose airline
Direct
Non-stop
2h 10min
Direct
Non-stop
2h 0min
Via Detroit
3h 13min
Via Dulles
4h 20min
Via Washington
4h 25min
NEW
Via Cincinnati
6h 34min
Schedules
Non-stop with American Airlines
-
Total flight time: 2 hours and 10 minutes
-
One World Alliance
-
Chicago is a American Airlines hub.
-
28 flights per week
-
Airbus A319Embraer 175Boeing 737-800 PassengerCanadair (Bombardier) Regional Jet 700 and Challenger 870
-
First class available
BUF
Direct
ORD
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
AA3117
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05:00
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AA4411
----
----
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05:11
05:11
05:02
05:11
AA1195
06:32
06:32
18:09
18:09
18:09
17:49
18:09
AA2112
08:08
08:08
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----
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AA4413
10:07
10:07
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----
----
----
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AA4480
----
----
10:30
10:30
10:30
10:11
10:30
AA4913
16:45
16:45
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The timetable & schedule information was updated at 2026-04-21
Non-stop with United Airlines
-
Total flight time: 2 hours
-
Chicago is a United Airlines hub (Largest hub ).
-
28 flights per week
-
Embraer 175 (Enhanced Winglets)Airbus A319Canadair (Bombardier) Regional Jet 550Boeing 737-900 PassengerBoeing 737-700 Passenger
-
Business and first class available
BUF
Direct
ORD
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
UA5820
07:00
07:00
07:00
07:00
07:00
07:00
07:00
UA705
10:57
10:57
10:57
10:57
10:57
10:57
10:57
UA4381
13:54
13:54
13:54
13:54
13:54
13:54
13:54
UA2747
18:04
18:04
18:04
18:04
18:04
18:04
18:04
The timetable & schedule information was updated at 2026-04-21
Via Detroit with Delta Air Lines
-
Total flight time: 3h 13m - 5h 47m.
-
Sky Team Alliance
-
111 flights per week
BUF
Via DTW
ORD
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
DL2898
DL4683
DL4683
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----
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----
----
06:07
----
DL2898
DL3673
DL3673
06:07
06:07
06:07
06:07
06:07
----
06:07
DL3639
DL1716
DL1716
08:55
08:55
08:55
08:55
08:55
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08:55
DL3636
DL2358
DL2358
12:03
12:03
12:03
12:03
12:03
12:03
12:03
DL3642
DL1665
DL1665
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----
----
----
----
15:54
----
DL3642
DL1084
DL1084
15:54
15:54
15:54
15:54
15:54
----
15:54
The timetable & schedule information was updated at 2026-04-21
Via Dulles with United Airlines
-
Total flight time: 4h 20m - 6h 22m.
-
Chicago is a United Airlines hub (Largest hub ).
-
117 flights per week
-
Embraer 175 (Enhanced Winglets)Airbus A319Canadair (Bombardier) Regional Jet 550Boeing 737-900 PassengerBoeing 737-700 Passenger
BUF
Via IAD
ORD
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
UA3433
UA1775
UA1775
06:00
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----
06:00
06:00
06:00
06:00
UA3430
UA2331
UA2331
10:34
10:34
10:34
10:34
10:34
----
10:34
UA4274
UA2331
UA2331
----
----
----
----
----
10:34
----
UA4291
UA2497
UA2497
----
15:00
15:00
15:00
15:00
----
15:00
UA4521
UA2497
UA2497
15:00
----
----
----
----
----
----
UA4270
UA1738
UA1738
19:52
19:52
19:52
19:52
19:52
19:52
19:52
The timetable & schedule information was updated at 2026-04-21
Via Washington with American Airlines
-
Total flight time: 4h 25m - 6h 59m.
-
One World Alliance
-
Chicago is a American Airlines hub.
-
86 flights per week
-
Airbus A319Embraer 175Boeing 737-800 PassengerCanadair (Bombardier) Regional Jet 700 and Challenger 870
BUF
Via DCA
ORD
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
AA3668
AA2304
AA2304
05:08
05:08
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----
----
----
AA5237
AA2304
AA2304
----
----
05:22
05:22
05:22
05:33
05:22
AA5075
AA808
AA808
----
----
----
----
----
11:56
----
AA4597
AA1637
AA1637
----
----
11:59
11:59
11:59
----
11:59
AA5104
AA3254
AA3254
12:49
12:49
----
----
----
----
----
AA4597
AA2903
AA2903
----
----
----
----
----
16:54
----
AA5106
AA2903
AA2903
16:55
16:55
----
----
----
----
----
AA5075
AA2903
AA2903
----
----
17:38
17:38
17:38
----
17:38
The timetable & schedule information was updated at 2026-04-21
Via Cincinnati with United Airlines
-
Total flight time: 6h 34m - 7h 57m.
-
Chicago is a United Airlines hub (Largest hub ).
-
Embraer 175 (Enhanced Winglets)Airbus A319Canadair (Bombardier) Regional Jet 550Boeing 737-900 PassengerBoeing 737-700 Passenger
BUF
Via CVG
ORD
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
UA4521
UA4741
UA4741
15:00
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The timetable & schedule information was updated at 2026-04-21
