Southwest Airlines flights from Denver (DEN) to Boise (BOI).

FLIGHT SCHEDULE
Direct Flights:
Sat 16:10 Denver (DEN) 18:10 Boise (BOI) Southwest Airlines WN 3987 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Valid until 2026-01-03
Sun 13:40 Denver (DEN) 15:40 Boise (BOI) Southwest Airlines WN 4275 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Operates only on 2026-05-24
Sat 09:05 Denver (DEN) 10:55 Boise (BOI) Southwest Airlines WN 4333 Non-stop Boeing 737-800 (73H) 1:50 Effective 2026-08-08 through 2026-09-26
Mon,Thu,Fri 12:55 Denver (DEN) 15:00 Boise (BOI) Southwest Airlines WN 4425 Non-stop Boeing 737-800 (73H) 2:05 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 12:55 Denver (DEN) 15:00 Boise (BOI) Southwest Airlines WN 4425 Non-stop Boeing 737-800 (73H) 2:05 Effective 2026-02-20 through 2026-03-01
Tue,Wed 13:30 Denver (DEN) 15:25 Boise (BOI) Southwest Airlines WN 4669 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-06-09 through 2026-07-29
Sun 14:35 Denver (DEN) 16:30 Boise (BOI) Southwest Airlines WN 4688 Non-stop Boeing 737-800 (73H) 1:55 Effective 2026-04-12 through 2026-05-17
Sun 14:35 Denver (DEN) 16:30 Boise (BOI) Southwest Airlines WN 4688 Non-stop Boeing 737-800 (73H) 1:55 Operates only on 2026-05-31
Sat 13:30 Denver (DEN) 15:25 Boise (BOI) Southwest Airlines WN 5078 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-08-08 through 2026-09-26
Tue 13:00 Denver (DEN) 14:50 Boise (BOI) Southwest Airlines WN 5103 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2026-08-04 through 2026-09-29
Wed 13:00 Denver (DEN) 14:50 Boise (BOI) Southwest Airlines WN 5115 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2026-08-05 through 2026-09-30
Non-Direct Flights:
Sun 08:35 Denver (DEN) 12:55 Boise (BOI) Southwest Airlines WN 2192 1-stop Boeing 737-800 (73H) 4:20 Effective 2026-06-07 through 2026-08-02
Sat 09:50 Denver (DEN) 14:25 Boise (BOI) Southwest Airlines WN 2551 1-stop Boeing 737-700 (Scimitar Winglets) 4:35 Effective 2026-03-07 through 2026-04-04

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A domestic route departing from the Denver airport (DEN) and arriving at Boise airport (BOI).
The flight distance is 647 miles, or 1042 km.
The timezone of both the departure and the arrival airports is UTC-7 . Current time at both airports is (loading...).
For direct flights, the flight time varies between 1:50 and 2:15.

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Southwest Airlines flights from Denver (DEN) to Boise (BOI).

FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN3987

16:10

Denver (DEN)

18:10

Boise (BOI)

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4275

13:40

Denver (DEN)

15:40

Boise (BOI)

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:00, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4333

09:05

Denver (DEN)

10:55

Boise (BOI)

Effective 2026-08-08 through 2026-09-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN4425

12:55

Denver (DEN)

15:00

Boise (BOI)

Effective 2026-02-12 through 2026-02-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:05, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4425

12:55

Denver (DEN)

15:00

Boise (BOI)

Effective 2026-02-20 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:05, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4669

13:30

Denver (DEN)

15:25

Boise (BOI)

Effective 2026-06-09 through 2026-07-29

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4688

14:35

Denver (DEN)

16:30

Boise (BOI)

Effective 2026-04-12 through 2026-05-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:55, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4688

14:35

Denver (DEN)

16:30

Boise (BOI)

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:55, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN5078

13:30

Denver (DEN)

15:25

Boise (BOI)

Effective 2026-08-08 through 2026-09-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN5103

13:00

Denver (DEN)

14:50

Boise (BOI)

Effective 2026-08-04 through 2026-09-29

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN5115

13:00

Denver (DEN)

14:50

Boise (BOI)

Effective 2026-08-05 through 2026-09-30

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN2192

08:35

Denver (DEN)

12:55

Boise (BOI)

Effective 2026-06-07 through 2026-08-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:20, 1-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Southwest Airlines WN2551

09:50

Denver (DEN)

14:25

Boise (BOI)

Effective 2026-03-07 through 2026-04-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:35, 1-stop
Boeing 737-700 (Scimitar Winglets)

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A domestic route departing from the Denver airport (DEN) and arriving at Boise airport (BOI).
The flight distance is 647 miles, or 1042 km.
The timezone of both the departure and the arrival airports is UTC-7 . Current time at both airports is (loading...).
For direct flights, the flight time varies between 1:50 and 2:15.

All DEN-BOI flights

All Southwest Airlines flights

Return (BOI-DEN) flights

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