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 11 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 11 minutes. Choose airline
Direct
Non-stop
2h 11min
Direct
Non-stop
1h 59min
Via Detroit
3h 13min
Via Dulles
4h 20min
Via Washington
4h 25min
NEW
Starts 29/06
Via Cincinnati
6h 34min
Schedules
Non-stop with American Airlines
-
Total flight time: 2 hours and 11 minutes
-
One World Alliance
-
Chicago is a American Airlines hub.
-
30 flights per week
-
Airbus A319Boeing 737-800 PassengerEmbraer 175Canadair (Bombardier) Regional Jet 700 and Challenger 870
-
First class available
BUF
Direct
ORD
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
AA1195
06:00
06:00
06:00
06:00
06:00
06:00
06:00
AA2112
08:06
08:06
08:06
08:06
08:06
08:06
08:06
AA4413
10:01
10:01
10:01
10:01
10:01
10:01
10:01
AA4913
16:57
16:57
16:57
16:57
16:57
16:59
16:57
The timetable & schedule information was updated at 2026-04-21
Non-stop with United Airlines
-
Total flight time: 1 hour and 59 minutes
-
Chicago is a United Airlines hub (Largest hub ).
-
28 flights per week
-
Boeing 737-900 PassengerAirbus A319Canadair (Bombardier) Regional Jet 550Canadair (Bombardier) Regional Jet
-
Business and first class available
BUF
Direct
ORD
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
UA543
07:00
07:00
07:00
07:00
07:00
07:00
07:00
UA4690
10:50
10:50
10:50
10:50
10:50
10:50
10:50
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
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
DL2898
DL3673
DL3673
06:07
06:07
06:07
06:07
06:07
----
06:07
DL2898
DL4683
DL4683
----
----
----
----
----
06:07
----
DL3639
DL1716
DL1716
08:58
08:58
08:58
08:58
08:58
----
08:58
DL3636
DL2358
DL2358
12:04
12:04
12:04
12:04
12:04
12:04
12:04
DL3642
DL1084
DL1084
16:01
16:01
16:01
16:01
16:01
----
16:01
DL3642
DL1665
DL1665
----
----
----
----
----
16:01
----
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
-
Boeing 737-900 PassengerAirbus A319Canadair (Bombardier) Regional Jet 550Canadair (Bombardier) Regional Jet
BUF
Via IAD
ORD
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
UA3433
UA1775
UA1775
06:00
----
----
06:00
06:00
06:00
06:00
UA3430
UA2331
UA2331
10:34
10:34
10:34
10:34
10:34
10:34
10:34
UA3541
UA2497
UA2497
----
----
----
----
15:00
----
15:00
UA4291
UA2497
UA2497
15:00
15:00
15:00
15:00
----
----
----
UA3437
UA1738
UA1738
----
----
----
----
----
19:52
----
UA4270
UA1738
UA1738
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 A319Boeing 737-800 PassengerEmbraer 175Canadair (Bombardier) Regional Jet 700 and Challenger 870
BUF
Via DCA
ORD
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
AA5051
AA2304
AA2304
05:00
05:00
05:00
05:00
05:00
05:36
----
AA4482
AA2304
AA2304
----
----
----
----
----
----
05:33
AA5104
AA3254
AA3254
12:49
12:49
12:49
12:49
12:49
12:29
12:41
AA5106
AA2903
AA2903
16:55
16:55
16:55
16:55
16:55
16:49
17:34
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 ).
-
Boeing 737-900 PassengerAirbus A319Canadair (Bombardier) Regional Jet 550Canadair (Bombardier) Regional Jet
BUF
Via CVG
ORD
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
Sorry. We could not find any flights for this week.
The timetable & schedule information was updated at 2026-04-21
