All airlines flying from Long Beach (LGB) to Denver (DEN).

FLIGHT SCHEDULE
Non-Direct Flights:
Tue,Wed 10:35 Long Beach (LGB) 15:50 Denver (DEN) Southwest Airlines WN 1390 1-stop Boeing 737 MAX 8 (7M8) 4:15 Effective 2026-02-18 through 2026-03-04
Sun 09:45 Long Beach (LGB) 14:25 Denver (DEN) Southwest Airlines WN 1416 1-stop Boeing 737-700 (Scimitar Winglets) 3:40 Effective 2026-03-08 through 2026-04-05
Tue,Wed 08:30 Long Beach (LGB) 13:10 Denver (DEN) Southwest Airlines WN 1739 1-stop Boeing 737-700 (Scimitar Winglets) 3:40 Effective 2026-04-07 through 2026-06-03
Sat 06:55 Long Beach (LGB) 11:50 Denver (DEN) Southwest Airlines WN 2378 1-stop Boeing 737-800 (73H) 3:55 Valid until 2026-01-03
Mon,Tue,Fri,Sun 18:45 Long Beach (LGB) 23:35 Denver (DEN) Southwest Airlines WN 2378 1-stop Boeing 737 MAX 8 (7M8) 3:50 Valid until 2026-01-04
Sat 07:55 Long Beach (LGB) 13:15 Denver (DEN) Southwest Airlines WN 2399 1-stop Boeing 737-800 (73H) 4:20 Effective 2026-02-14 through 2026-02-28
Tue,Wed 10:05 Long Beach (LGB) 14:50 Denver (DEN) Southwest Airlines WN 2492 1-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-06-09 through 2026-07-29
Sat 10:35 Long Beach (LGB) 15:25 Denver (DEN) Southwest Airlines WN 2492 1-stop Boeing 737-700 (Scimitar Winglets) 3:50 Effective 2026-06-06 through 2026-08-01
Sun 18:35 Long Beach (LGB) 23:45 Denver (DEN) Southwest Airlines WN 2500 1-stop Boeing 737-700 (Scimitar Winglets) 4:10 Effective 2026-06-07 through 2026-08-02
Tue,Wed 09:35 Long Beach (LGB) 14:20 Denver (DEN) Southwest Airlines WN 3015 1-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-03-10 through 2026-04-01
Tue,Wed 13:20 Long Beach (LGB) 18:20 Denver (DEN) Southwest Airlines WN 3546 1-stop Boeing 737-700 (Scimitar Winglets) 4:00 Effective 2026-04-07 through 2026-06-03
Mon,Thu,Fri 08:30 Long Beach (LGB) 13:40 Denver (DEN) Southwest Airlines WN 3716 1-stop Boeing 737 MAX 8 (7M8) 4:10 Effective 2026-06-04 through 2026-08-03
Tue,Wed 07:20 Long Beach (LGB) 12:50 Denver (DEN) Southwest Airlines WN 3762 1-stop Boeing 737-800 (73H) 4:30 Effective 2026-03-10 through 2026-04-01
Sun 08:25 Long Beach (LGB) 13:05 Denver (DEN) Southwest Airlines WN 4020 1-stop Boeing 737-700 (Scimitar Winglets) 3:40 Effective 2026-04-12 through 2026-05-17
Sun 08:25 Long Beach (LGB) 13:05 Denver (DEN) Southwest Airlines WN 4020 1-stop Boeing 737-700 (Scimitar Winglets) 3:40 Operates only on 2026-05-31
Sun 09:25 Long Beach (LGB) 14:40 Denver (DEN) Southwest Airlines WN 4155 1-stop Boeing 737-700 (Scimitar Winglets) 4:15 Effective 2026-04-12 through 2026-05-17
Sun 09:25 Long Beach (LGB) 14:40 Denver (DEN) Southwest Airlines WN 4155 1-stop Boeing 737-700 (Scimitar Winglets) 4:15 Operates only on 2026-05-31
Sat 17:30 Long Beach (LGB) 23:00 Denver (DEN) Southwest Airlines WN 4605 1-stop Boeing 737-800 (73H) 4:30 Effective 2026-04-11 through 2026-05-30
Mon,Thu,Fri 06:55 Long Beach (LGB) 14:00 Denver (DEN) Southwest Airlines WN 1793 2-stop Boeing 737-700 (Scimitar Winglets) 6:05 Effective 2026-04-09 through 2026-06-01
Tue,Wed 10:15 Long Beach (LGB) 17:05 Denver (DEN) Southwest Airlines WN 2974 2-stop Boeing 737-700 (Scimitar Winglets) 5:50 Effective 2026-04-07 through 2026-06-03
Thu,Fri,Sun 10:35 Long Beach (LGB) 17:45 Denver (DEN) Southwest Airlines WN 4185 2-stop Boeing 737 MAX 8 (7M8) 6:10 Effective 2026-01-11 through 2026-01-16
Mon,Sun 10:35 Long Beach (LGB) 17:45 Denver (DEN) Southwest Airlines WN 4185 2-stop Boeing 737 MAX 8 (7M8) 6:10 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 10:35 Long Beach (LGB) 17:45 Denver (DEN) Southwest Airlines WN 4185 2-stop Boeing 737 MAX 8 (7M8) 6:10 Effective 2026-02-01 through 2026-02-06
Mon,Sun 10:35 Long Beach (LGB) 17:45 Denver (DEN) Southwest Airlines WN 4185 2-stop Boeing 737 MAX 8 (7M8) 6:10 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 10:35 Long Beach (LGB) 17:45 Denver (DEN) Southwest Airlines WN 4185 2-stop Boeing 737 MAX 8 (7M8) 6:10 Effective 2026-02-17 through 2026-02-23
Mon 10:35 Long Beach (LGB) 17:45 Denver (DEN) Southwest Airlines WN 4185 2-stop Boeing 737 MAX 8 (7M8) 6:10 Operates only on 2026-03-02
Mon,Thu,Fri 08:20 Long Beach (LGB) 17:55 Denver (DEN) Southwest Airlines WN 4645 3-stop Boeing 737-700 (Scimitar Winglets) 8:35 Effective 2026-02-05 through 2026-02-09
Tue,Thu,Sun 08:20 Long Beach (LGB) 17:55 Denver (DEN) Southwest Airlines WN 4645 3-stop Boeing 737-700 (Scimitar Winglets) 8:35 Effective 2026-02-15 through 2026-02-19
Mon 08:20 Long Beach (LGB) 17:55 Denver (DEN) Southwest Airlines WN 4645 3-stop Boeing 737-700 (Scimitar Winglets) 8:35 Effective 2026-02-23 through 2026-03-02

1 2 3

A domestic route departing from the Long Beach airport (LGB) and arriving at Denver airport (DEN).
The flight distance is 852 miles, or 1372 km.
The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-7 . 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 2:15 and 2:25.

Return (DEN-LGB) flights

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All airlines flying from Long Beach (LGB) to Denver (DEN).

FLIGHT SCHEDULE

Non-Direct Flights:

Southwest Airlines WN1390

10:35

Long Beach (LGB)

15:50

Denver (DEN)

Effective 2026-02-18 through 2026-03-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:15, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN1416

09:45

Long Beach (LGB)

14:25

Denver (DEN)

Effective 2026-03-08 through 2026-04-05

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:40, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN1739

08:30

Long Beach (LGB)

13:10

Denver (DEN)

Effective 2026-04-07 through 2026-06-03

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:40, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN2378

06:55

Long Beach (LGB)

11:50

Denver (DEN)

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:55, 1-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Southwest Airlines WN2378

18:45

Long Beach (LGB)

23:35

Denver (DEN)

Valid until 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 3:50, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN2399

07:55

Long Beach (LGB)

13:15

Denver (DEN)

Effective 2026-02-14 through 2026-02-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Non-Direct Flights:

Southwest Airlines WN2492

10:05

Long Beach (LGB)

14:50

Denver (DEN)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:45, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN2492

10:35

Long Beach (LGB)

15:25

Denver (DEN)

Effective 2026-06-06 through 2026-08-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:50, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN2500

18:35

Long Beach (LGB)

23:45

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:10, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN3015

09:35

Long Beach (LGB)

14:20

Denver (DEN)

Effective 2026-03-10 through 2026-04-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:45, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN3546

13:20

Long Beach (LGB)

18:20

Denver (DEN)

Effective 2026-04-07 through 2026-06-03

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:00, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN3716

08:30

Long Beach (LGB)

13:40

Denver (DEN)

Effective 2026-06-04 through 2026-08-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:10, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN3762

07:20

Long Beach (LGB)

12:50

Denver (DEN)

Effective 2026-03-10 through 2026-04-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:30, 1-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Southwest Airlines WN4020

08:25

Long Beach (LGB)

13:05

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:40, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN4020

08:25

Long Beach (LGB)

13:05

Denver (DEN)

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:40, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN4155

09:25

Long Beach (LGB)

14:40

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:15, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN4155

09:25

Long Beach (LGB)

14:40

Denver (DEN)

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:15, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN4605

17:30

Long Beach (LGB)

23:00

Denver (DEN)

Effective 2026-04-11 through 2026-05-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:30, 1-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Southwest Airlines WN1793

06:55

Long Beach (LGB)

14:00

Denver (DEN)

Effective 2026-04-09 through 2026-06-01

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 6:05, 2-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN2974

10:15

Long Beach (LGB)

17:05

Denver (DEN)

Effective 2026-04-07 through 2026-06-03

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:50, 2-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN4185

10:35

Long Beach (LGB)

17:45

Denver (DEN)

Effective 2026-01-11 through 2026-01-16

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 6:10, 2-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN4185

10:35

Long Beach (LGB)

17:45

Denver (DEN)

Effective 2026-01-19 through 2026-01-25

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:10, 2-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN4185

10:35

Long Beach (LGB)

17:45

Denver (DEN)

Effective 2026-02-01 through 2026-02-06

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 6:10, 2-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN4185

10:35

Long Beach (LGB)

17:45

Denver (DEN)

Effective 2026-02-09 through 2026-02-15

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:10, 2-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN4185

10:35

Long Beach (LGB)

17:45

Denver (DEN)

Effective 2026-02-17 through 2026-02-23

Mon

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 6:10, 2-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN4185

10:35

Long Beach (LGB)

17:45

Denver (DEN)

Operates only on 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 6:10, 2-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN4645

08:20

Long Beach (LGB)

17:55

Denver (DEN)

Effective 2026-02-05 through 2026-02-09

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 8:35, 3-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN4645

08:20

Long Beach (LGB)

17:55

Denver (DEN)

Effective 2026-02-15 through 2026-02-19

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 8:35, 3-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN4645

08:20

Long Beach (LGB)

17:55

Denver (DEN)

Effective 2026-02-23 through 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 8:35, 3-stop
Boeing 737-700 (Scimitar Winglets)

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A domestic route departing from the Long Beach airport (LGB) and arriving at Denver airport (DEN).
The flight distance is 852 miles, or 1372 km.
The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-7 . 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 2:15 and 2:25.

Return (DEN-LGB) flights

Feedback - Disclaimer - Privacy