Southwest Airlines flights from Denver (DEN) to Buffalo (BUF).

FLIGHT SCHEDULE
Direct Flights:
Sat 13:25 Denver (DEN) 18:20 Buffalo (BUF) Southwest Airlines WN 245 Non-stop Boeing 737-700 (73W) 2:55 Effective 2024-03-09 through 2024-04-06
Mon,Thu,Fri 18:55 Denver (DEN) 23:50 Buffalo (BUF) Southwest Airlines WN 245 Non-stop Boeing 737-700 (73W) 2:55 Effective 2024-03-07 through 2024-04-08
Tue,Wed 19:10 Denver (DEN) 00:05 Buffalo (BUF) Southwest Airlines WN 245 Non-stop Boeing 737-700 (73W) 2:55 Effective 2024-03-12 through 2024-04-03 The flight arrives 1 day after departure.
Tue-Fri 19:20 Denver (DEN) 00:15 Buffalo (BUF) Southwest Airlines WN 478 Non-stop Boeing 737-700 (73W) 2:55 Valid until 2024-01-02 The flight arrives 1 day after departure.
Sat 12:00 Denver (DEN) 16:55 Buffalo (BUF) Southwest Airlines WN 495 Non-stop Boeing 737-700 (73W) 2:55 Operates only on 2024-01-06
Sun 17:50 Denver (DEN) 22:50 Buffalo (BUF) Southwest Airlines WN 1428 Non-stop Boeing 737-700 (73W) 3:00 Operates only on 2024-01-07
Fri 19:05 Denver (DEN) 00:05 Buffalo (BUF) Southwest Airlines WN 1469 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Operates only on 2024-07-05 The flight arrives 1 day after departure.
Sun 11:05 Denver (DEN) 16:05 Buffalo (BUF) Southwest Airlines WN 1586 Non-stop Boeing 737-800 (73H) 3:00 Operates only on 2024-09-01
Sun 13:00 Denver (DEN) 18:00 Buffalo (BUF) Southwest Airlines WN 1586 Non-stop Boeing 737-700 (73W) 3:00 Effective 2024-08-11 through 2024-08-25
Sun 13:00 Denver (DEN) 18:00 Buffalo (BUF) Southwest Airlines WN 1586 Non-stop Boeing 737-700 (73W) 3:00 Effective 2024-09-08 through 2024-09-29
Tue,Wed 17:35 Denver (DEN) 22:40 Buffalo (BUF) Southwest Airlines WN 1586 Non-stop Boeing 737-800 (73H) 3:05 Effective 2024-08-06 through 2024-10-02
Sat 17:40 Denver (DEN) 22:45 Buffalo (BUF) Southwest Airlines WN 1586 Non-stop Boeing 737-800 (73H) 3:05 Effective 2024-08-10 through 2024-09-28
Mon,Thu,Fri 19:20 Denver (DEN) 00:25 Buffalo (BUF) Southwest Airlines WN 1586 Non-stop Boeing 737-800 (73H) 3:05 Effective 2024-08-05 through 2024-09-30 The flight arrives 1 day after departure.
Mon,Sun 17:50 Denver (DEN) 22:50 Buffalo (BUF) Southwest Airlines WN 2147 Non-stop Boeing 737-700 (73W) 3:00 Valid until 2024-01-01
Wed-Fri 17:50 Denver (DEN) 22:50 Buffalo (BUF) Southwest Airlines WN 2147 Non-stop Boeing 737-700 (73W) 3:00 Effective 2024-01-03 through 2024-01-05
Mon,Thu,Fri 18:10 Denver (DEN) 23:15 Buffalo (BUF) Southwest Airlines WN 2169 Non-stop Boeing 737-700 (73W) 3:05 Effective 2024-01-08 through 2024-03-04
Sun 14:20 Denver (DEN) 19:15 Buffalo (BUF) Southwest Airlines WN 2317 Non-stop Boeing 737-700 (73W) 2:55 Effective 2024-03-10 through 2024-04-07
Sun 15:05 Denver (DEN) 20:05 Buffalo (BUF) Southwest Airlines WN 2342 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Operates only on 2024-05-26
Sun 15:20 Denver (DEN) 20:20 Buffalo (BUF) Southwest Airlines WN 2342 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2024-04-14 through 2024-05-19
Sun 15:20 Denver (DEN) 20:20 Buffalo (BUF) Southwest Airlines WN 2342 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Operates only on 2024-06-02
Sat 09:20 Denver (DEN) 14:20 Buffalo (BUF) Southwest Airlines WN 2401 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2024-01-13 through 2024-03-02
Sun 13:10 Denver (DEN) 18:10 Buffalo (BUF) Southwest Airlines WN 2401 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2024-01-14 through 2024-03-03
Sat 12:50 Denver (DEN) 17:55 Buffalo (BUF) Southwest Airlines WN 3383 Non-stop Boeing 737-800 (73H) 3:05 Effective 2024-06-08 through 2024-08-03
Tue,Wed 18:50 Denver (DEN) 23:55 Buffalo (BUF) Southwest Airlines WN 3383 Non-stop Boeing 737-700 (73W) 3:05 Effective 2024-06-04 through 2024-07-31
Mon,Thu,Fri 19:25 Denver (DEN) 00:25 Buffalo (BUF) Southwest Airlines WN 3383 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2024-06-06 through 2024-07-01 The flight arrives 1 day after departure.
Mon,Thu,Fri 19:25 Denver (DEN) 00:25 Buffalo (BUF) Southwest Airlines WN 3383 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2024-07-08 through 2024-08-02 The flight arrives 1 day after departure.
Sun 12:25 Denver (DEN) 17:25 Buffalo (BUF) Southwest Airlines WN 3890 Non-stop Boeing 737-700 (73W) 3:00 Effective 2024-06-09 through 2024-08-04
Sat 09:00 Denver (DEN) 14:05 Buffalo (BUF) Southwest Airlines WN 3933 Non-stop Boeing 737-800 (73H) 3:05 Effective 2024-08-10 through 2024-09-28
Sat 09:15 Denver (DEN) 14:15 Buffalo (BUF) Southwest Airlines WN 5576 Non-stop Boeing 737-700 (73W) 3:00 Effective 2024-04-13 through 2024-06-01
Tue,Wed 17:55 Denver (DEN) 23:00 Buffalo (BUF) Southwest Airlines WN 5576 Non-stop Boeing 737-700 (73W) 3:05 Effective 2024-04-09 through 2024-05-29
Mon,Thu,Fri 18:10 Denver (DEN) 23:15 Buffalo (BUF) Southwest Airlines WN 5576 Non-stop Boeing 737-700 (73W) 3:05 Effective 2024-04-11 through 2024-06-03
Non-Direct Flights:
Sat 12:10 Denver (DEN) 20:55 Buffalo (BUF) Southwest Airlines WN 1391 1-stop Boeing 737-700 (73W) 6:45 Effective 2024-01-13 through 2024-03-02
Sun 09:35 Denver (DEN) 18:25 Buffalo (BUF) Southwest Airlines WN 3526 1-stop Boeing 737-800 (73H) 6:50 Effective 2024-01-14 through 2024-03-03
Sun 07:00 Denver (DEN) 15:35 Buffalo (BUF) Southwest Airlines WN 4186 2-stop Boeing 737-700 (73W) 6:35 Effective 2024-03-10 through 2024-04-07

A domestic route departing from the Denver airport (DEN) and arriving at Buffalo airport (BUF).
The flight distance is 1355 miles, or 2180 km.
The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 2:55 and 3:05.

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN245

13:25

Denver (DEN)

18:20

Buffalo (BUF)

Effective 2024-03-09 through 2024-04-06

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:55, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN245

18:55

Denver (DEN)

23:50

Buffalo (BUF)

Effective 2024-03-07 through 2024-04-08

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:55, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN245

19:10

Denver (DEN)

00:05(+1)

Buffalo (BUF)

Effective 2024-03-12 through 2024-04-03

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:55, non-stop
Boeing 737-700 (73W)
The flight arrives 1 day after departure.

Southwest Airlines WN478

19:20

Denver (DEN)

00:15(+1)

Buffalo (BUF)

Valid until 2024-01-02

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 2:55, non-stop
Boeing 737-700 (73W)
The flight arrives 1 day after departure.

Southwest Airlines WN495

12:00

Denver (DEN)

16:55

Buffalo (BUF)

Operates only on 2024-01-06

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:55, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1428

17:50

Denver (DEN)

22:50

Buffalo (BUF)

Operates only on 2024-01-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:00, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1469

19:05

Denver (DEN)

00:05(+1)

Buffalo (BUF)

Operates only on 2024-07-05

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Southwest Airlines WN1586

11:05

Denver (DEN)

16:05

Buffalo (BUF)

Operates only on 2024-09-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:00, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1586

13:00

Denver (DEN)

18:00

Buffalo (BUF)

Effective 2024-08-11 through 2024-08-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:00, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1586

13:00

Denver (DEN)

18:00

Buffalo (BUF)

Effective 2024-09-08 through 2024-09-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:00, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1586

17:35

Denver (DEN)

22:40

Buffalo (BUF)

Effective 2024-08-06 through 2024-10-02

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:05, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1586

17:40

Denver (DEN)

22:45

Buffalo (BUF)

Effective 2024-08-10 through 2024-09-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:05, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1586

19:20

Denver (DEN)

00:25(+1)

Buffalo (BUF)

Effective 2024-08-05 through 2024-09-30

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:05, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Southwest Airlines WN2147

17:50

Denver (DEN)

22:50

Buffalo (BUF)

Valid until 2024-01-01

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:00, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN2147

17:50

Denver (DEN)

22:50

Buffalo (BUF)

Effective 2024-01-03 through 2024-01-05

Mon
-

Tue
-

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 3:00, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN2169

18:10

Denver (DEN)

23:15

Buffalo (BUF)

Effective 2024-01-08 through 2024-03-04

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:05, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN2317

14:20

Denver (DEN)

19:15

Buffalo (BUF)

Effective 2024-03-10 through 2024-04-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:55, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN2342

15:05

Denver (DEN)

20:05

Buffalo (BUF)

Operates only on 2024-05-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2342

15:20

Denver (DEN)

20:20

Buffalo (BUF)

Effective 2024-04-14 through 2024-05-19

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2342

15:20

Denver (DEN)

20:20

Buffalo (BUF)

Operates only on 2024-06-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2401

09:20

Denver (DEN)

14:20

Buffalo (BUF)

Effective 2024-01-13 through 2024-03-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2401

13:10

Denver (DEN)

18:10

Buffalo (BUF)

Effective 2024-01-14 through 2024-03-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3383

12:50

Denver (DEN)

17:55

Buffalo (BUF)

Effective 2024-06-08 through 2024-08-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:05, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3383

18:50

Denver (DEN)

23:55

Buffalo (BUF)

Effective 2024-06-04 through 2024-07-31

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:05, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3383

19:25

Denver (DEN)

00:25(+1)

Buffalo (BUF)

Effective 2024-06-06 through 2024-07-01

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Southwest Airlines WN3383

19:25

Denver (DEN)

00:25(+1)

Buffalo (BUF)

Effective 2024-07-08 through 2024-08-02

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Southwest Airlines WN3890

12:25

Denver (DEN)

17:25

Buffalo (BUF)

Effective 2024-06-09 through 2024-08-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:00, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3933

09:00

Denver (DEN)

14:05

Buffalo (BUF)

Effective 2024-08-10 through 2024-09-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:05, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN5576

09:15

Denver (DEN)

14:15

Buffalo (BUF)

Effective 2024-04-13 through 2024-06-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:00, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN5576

17:55

Denver (DEN)

23:00

Buffalo (BUF)

Effective 2024-04-09 through 2024-05-29

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:05, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN5576

18:10

Denver (DEN)

23:15

Buffalo (BUF)

Effective 2024-04-11 through 2024-06-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:05, non-stop
Boeing 737-700 (73W)

Non-Direct Flights:

Southwest Airlines WN1391

12:10

Denver (DEN)

20:55

Buffalo (BUF)

Effective 2024-01-13 through 2024-03-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 6:45, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN3526

09:35

Denver (DEN)

18:25

Buffalo (BUF)

Effective 2024-01-14 through 2024-03-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:50, 1-stop
Boeing 737-800 (73H)

Southwest Airlines WN4186

07:00

Denver (DEN)

15:35

Buffalo (BUF)

Effective 2024-03-10 through 2024-04-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:35, 2-stop
Boeing 737-700 (73W)

A domestic route departing from the Denver airport (DEN) and arriving at Buffalo airport (BUF).
The flight distance is 1355 miles, or 2180 km.
The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 2:55 and 3:05.

All DEN-BUF flights

All Southwest Airlines flights

Return (BUF-DEN) flights

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