All airlines flying from New York LaGuardia (LGA) to Denver (DEN).

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Tue,Thu,Fri,Sun 22:55 New York LaGuardia (LGA) B 01:17 Denver (DEN)
Frontier Airlines F9 3161 Non-stop Airbus A320neo (32N) 4:22 Effective 2025-05-22 through 2025-06-03
The flight arrives 1 day after departure.
Wed 22:55 New York LaGuardia (LGA) B 01:17 Denver (DEN)
Frontier Airlines F9 3161 Non-stop Airbus A320 (320) 4:22 Operates only on 2025-05-28
The flight arrives 1 day after departure.
Mon-Fri,Sun 22:55 New York LaGuardia (LGA) B 01:17 Denver (DEN)
Frontier Airlines F9 3161 Non-stop Airbus A320neo (32N) 4:22 Effective 2025-06-04 through 2025-06-10
The flight arrives 1 day after departure.
Wed 22:55 New York LaGuardia (LGA) B 01:17 Denver (DEN)
Frontier Airlines F9 3161 Non-stop Airbus A320 (320) 4:22 Operates only on 2025-06-11
The flight arrives 1 day after departure.
Daily 22:55 New York LaGuardia (LGA) B 01:17 Denver (DEN)
Frontier Airlines F9 3161 Non-stop Airbus A320neo (32N) 4:22 Effective 2025-06-12 through 2025-08-18
The flight arrives 1 day after departure.
Mon,Thu-Sun 06:00 New York LaGuardia (LGA) B 08:30 Denver (DEN)
Southwest Airlines WN 3432 Non-stop Boeing 737-800 (73H) 4:30 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 06:00 New York LaGuardia (LGA) B 08:30 Denver (DEN)
Southwest Airlines WN 3432 Non-stop Boeing 737-800 (73H) 4:30 Effective 2025-11-21 through 2025-11-28
Fri-Sun 06:00 New York LaGuardia (LGA) B 08:30 Denver (DEN)
Southwest Airlines WN 3432 Non-stop Boeing 737-800 (73H) 4:30 Effective 2025-12-06 through 2025-12-14
Thu 06:00 New York LaGuardia (LGA) B 08:30 Denver (DEN)
Southwest Airlines WN 3432 Non-stop Boeing 737-800 (73H) 4:30 Operates only on 2025-12-18
Mon 06:00 New York LaGuardia (LGA) B 08:30 Denver (DEN)
Southwest Airlines WN 3432 Non-stop Boeing 737-800 (73H) 4:30 Operates only on 2026-01-05
Sun 06:30 New York LaGuardia (LGA) B 08:55 Denver (DEN)
Southwest Airlines WN 3432 Non-stop Boeing 737-800 (73H) 4:25 Operates only on 2025-11-30
Tue,Wed 17:00 New York LaGuardia (LGA) B 19:30 Denver (DEN)
Southwest Airlines WN 3432 Non-stop Boeing 737-800 (73H) 4:30 Effective 2025-11-04 through 2025-11-12
Mon-Thu 17:00 New York LaGuardia (LGA) B 19:30 Denver (DEN)
Southwest Airlines WN 3432 Non-stop Boeing 737-800 (73H) 4:30 Effective 2025-11-17 through 2025-11-20
Mon-Fri 17:00 New York LaGuardia (LGA) B 19:30 Denver (DEN)
Southwest Airlines WN 3432 Non-stop Boeing 737-800 (73H) 4:30 Effective 2025-12-02 through 2025-12-11
Mon-Wed 17:00 New York LaGuardia (LGA) B 19:30 Denver (DEN)
Southwest Airlines WN 3432 Non-stop Boeing 737-800 (73H) 4:30 Effective 2025-12-15 through 2025-12-17
Wed,Thu 17:00 New York LaGuardia (LGA) B 19:30 Denver (DEN)
Southwest Airlines WN 3432 Non-stop Boeing 737-800 (73H) 4:30 Effective 2025-12-24 through 2026-01-01
Tue,Wed 07:15 New York LaGuardia (LGA) B 09:45 Denver (DEN)
Southwest Airlines WN 3433 Non-stop Boeing 737 MAX 8 (7M8) 4:30 Effective 2025-11-04 through 2025-11-12
Mon-Thu 07:15 New York LaGuardia (LGA) B 09:45 Denver (DEN)
Southwest Airlines WN 3433 Non-stop Boeing 737 MAX 8 (7M8) 4:30 Effective 2025-11-17 through 2025-11-20
Mon-Fri 07:15 New York LaGuardia (LGA) B 09:45 Denver (DEN)
Southwest Airlines WN 3433 Non-stop Boeing 737 MAX 8 (7M8) 4:30 Effective 2025-12-02 through 2025-12-11
Mon-Wed 07:15 New York LaGuardia (LGA) B 09:45 Denver (DEN)
Southwest Airlines WN 3433 Non-stop Boeing 737 MAX 8 (7M8) 4:30 Effective 2025-12-15 through 2025-12-17
Wed,Thu 07:15 New York LaGuardia (LGA) B 09:45 Denver (DEN)
Southwest Airlines WN 3433 Non-stop Boeing 737 MAX 8 (7M8) 4:30 Effective 2025-12-24 through 2026-01-01
Mon,Thu,Fri,Sun 09:50 New York LaGuardia (LGA) B 12:20 Denver (DEN)
Southwest Airlines WN 3433 Non-stop Boeing 737-700 (Scimitar Winglets) 4:30 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 09:50 New York LaGuardia (LGA) B 12:20 Denver (DEN)
Southwest Airlines WN 3433 Non-stop Boeing 737-700 (Scimitar Winglets) 4:30 Effective 2025-11-21 through 2025-11-28
Fri,Sun 09:50 New York LaGuardia (LGA) B 12:20 Denver (DEN)
Southwest Airlines WN 3433 Non-stop Boeing 737-700 (Scimitar Winglets) 4:30 Effective 2025-12-07 through 2025-12-14
Thu 09:50 New York LaGuardia (LGA) B 12:20 Denver (DEN)
Southwest Airlines WN 3433 Non-stop Boeing 737-700 (Scimitar Winglets) 4:30 Operates only on 2025-12-18
Mon 09:50 New York LaGuardia (LGA) B 12:20 Denver (DEN)
Southwest Airlines WN 3433 Non-stop Boeing 737-700 (Scimitar Winglets) 4:30 Operates only on 2026-01-05
Sun 06:05 New York LaGuardia (LGA) B 08:20 Denver (DEN)
Southwest Airlines WN 3447 Non-stop Boeing 737 MAX 8 (7M8) 4:15 Effective 2025-08-10 through 2025-08-24
Sun 06:05 New York LaGuardia (LGA) B 08:20 Denver (DEN)
Southwest Airlines WN 3447 Non-stop Boeing 737-800 (73H) 4:15 Operates only on 2025-08-31
Sun 06:05 New York LaGuardia (LGA) B 08:20 Denver (DEN)
Southwest Airlines WN 3447 Non-stop Boeing 737 MAX 8 (7M8) 4:15 Effective 2025-09-07 through 2025-09-28
Sat 06:20 New York LaGuardia (LGA) B 08:30 Denver (DEN)
Southwest Airlines WN 3447 Non-stop Boeing 737 MAX 8 (7M8) 4:10 Effective 2025-08-09 through 2025-09-27
Mon,Thu,Fri 06:30 New York LaGuardia (LGA) B 08:40 Denver (DEN)
Southwest Airlines WN 3447 Non-stop Boeing 737 MAX 8 (7M8) 4:10 Effective 2025-08-07 through 2025-09-29
Tue,Wed 12:30 New York LaGuardia (LGA) B 14:40 Denver (DEN)
Southwest Airlines WN 3447 Non-stop Boeing 737-800 (73H) 4:10 Effective 2025-08-05 through 2025-10-01
Tue,Wed 07:15 New York LaGuardia (LGA) B 09:30 Denver (DEN)
Southwest Airlines WN 3448 Non-stop Boeing 737-800 (73H) 4:15 Effective 2025-08-05 through 2025-10-01
Mon,Thu,Fri 12:40 New York LaGuardia (LGA) B 14:50 Denver (DEN)
Southwest Airlines WN 3448 Non-stop Boeing 737 MAX 8 (7M8) 4:10 Effective 2025-08-07 through 2025-09-29
Tue,Wed 17:00 New York LaGuardia (LGA) B 19:25 Denver (DEN)
Southwest Airlines WN 3450 Non-stop Boeing 737 MAX 8 (7M8) 4:25 Effective 2025-08-05 through 2025-10-01
Sat 20:20 New York LaGuardia (LGA) B 22:45 Denver (DEN)
Southwest Airlines WN 3450 Non-stop Boeing 737 MAX 8 (7M8) 4:25 Effective 2025-08-09 through 2025-09-27
Sun 20:50 New York LaGuardia (LGA) B 23:10 Denver (DEN)
Southwest Airlines WN 3450 Non-stop Boeing 737-700 (73W) 4:20 Operates only on 2025-08-31
Sun 20:55 New York LaGuardia (LGA) B 23:15 Denver (DEN)
Southwest Airlines WN 3450 Non-stop Boeing 737-700 (73W) 4:20 Effective 2025-08-10 through 2025-08-24
Sun 20:55 New York LaGuardia (LGA) B 23:15 Denver (DEN)
Southwest Airlines WN 3450 Non-stop Boeing 737-700 (73W) 4:20 Effective 2025-09-07 through 2025-09-28
Mon,Thu,Fri 21:55 New York LaGuardia (LGA) B 00:10 Denver (DEN)
Southwest Airlines WN 3450 Non-stop Boeing 737-700 (73W) 4:15 Effective 2025-08-07 through 2025-09-29
The flight arrives 1 day after departure.
Sun 11:35 New York LaGuardia (LGA) B 13:50 Denver (DEN)
Southwest Airlines WN 3477 Non-stop Boeing 737-700 (73W) 4:15 Effective 2025-08-10 through 2025-08-24
Sun 11:35 New York LaGuardia (LGA) B 13:50 Denver (DEN)
Southwest Airlines WN 3477 Non-stop Boeing 737-700 (73W) 4:15 Effective 2025-09-07 through 2025-09-28
Sun 11:40 New York LaGuardia (LGA) B 13:55 Denver (DEN)
Southwest Airlines WN 3477 Non-stop Boeing 737-700 (73W) 4:15 Operates only on 2025-08-31
Mon,Thu,Fri 06:40 New York LaGuardia (LGA) B 09:00 Denver (DEN)
Southwest Airlines WN 3525 Non-stop Boeing 737 MAX 8 (7M8) 4:20 Effective 2025-10-02 through 2025-10-31
Tue,Wed 11:10 New York LaGuardia (LGA) B 13:30 Denver (DEN)
Southwest Airlines WN 3525 Non-stop Boeing 737-700 (Scimitar Winglets) 4:20 Effective 2025-10-07 through 2025-10-29
Mon,Thu,Fri 09:35 New York LaGuardia (LGA) B 12:00 Denver (DEN)
Southwest Airlines WN 3526 Non-stop Boeing 737-700 (Scimitar Winglets) 4:25 Effective 2025-10-02 through 2025-10-31
Sun 11:50 New York LaGuardia (LGA) B 14:10 Denver (DEN)
Southwest Airlines WN 3526 Non-stop Boeing 737-800 (73H) 4:20 Effective 2025-10-05 through 2025-10-26
Tue,Wed 14:40 New York LaGuardia (LGA) B 17:05 Denver (DEN)
Southwest Airlines WN 3526 Non-stop Boeing 737-800 (73H) 4:25 Effective 2025-10-07 through 2025-10-29
Sun 21:35 New York LaGuardia (LGA) B 00:10 Denver (DEN)
Southwest Airlines WN 3553 Non-stop Boeing 737-700 (73W) 4:35 Effective 2025-06-08 through 2025-08-03
The flight arrives 1 day after departure.
Mon-Fri 21:55 New York LaGuardia (LGA) B 00:20 Denver (DEN)
Southwest Airlines WN 3553 Non-stop Boeing 737-700 (73W) 4:25 Effective 2025-06-05 through 2025-07-03
The flight arrives 1 day after departure.
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All airlines flying from New York LaGuardia (LGA) to Denver (DEN).
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Frontier Airlines F93161
22:55
New York LaGuardia (LGA) B

01:17(+1)
Denver (DEN)
Effective 2025-05-22 through 2025-06-03
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:22, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.
Frontier Airlines F93161
22:55
New York LaGuardia (LGA) B

01:17(+1)
Denver (DEN)
Operates only on 2025-05-28
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:22, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.
Frontier Airlines F93161
22:55
New York LaGuardia (LGA) B

01:17(+1)
Denver (DEN)
Effective 2025-06-04 through 2025-06-10
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:22, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.
Frontier Airlines F93161
22:55
New York LaGuardia (LGA) B

01:17(+1)
Denver (DEN)
Operates only on 2025-06-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:22, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.
Frontier Airlines F93161
22:55
New York LaGuardia (LGA) B

01:17(+1)
Denver (DEN)
Effective 2025-06-12 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:22, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.
Southwest Airlines WN3432
06:00
New York LaGuardia (LGA) B

08:30
Denver (DEN)
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 4:30, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3432
06:00
New York LaGuardia (LGA) B

08:30
Denver (DEN)
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:30, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3432
06:00
New York LaGuardia (LGA) B

08:30
Denver (DEN)
Effective 2025-12-06 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 4:30, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3432
06:00
New York LaGuardia (LGA) B

08:30
Denver (DEN)
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:30, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3432
06:00
New York LaGuardia (LGA) B

08:30
Denver (DEN)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:30, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3432
06:30
New York LaGuardia (LGA) B

08:55
Denver (DEN)
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:25, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3432
17:00
New York LaGuardia (LGA) B

19:30
Denver (DEN)
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:30, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3432
17:00
New York LaGuardia (LGA) B

19:30
Denver (DEN)
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:30, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3432
17:00
New York LaGuardia (LGA) B

19:30
Denver (DEN)
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 4:30, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3432
17:00
New York LaGuardia (LGA) B

19:30
Denver (DEN)
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:30, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3432
17:00
New York LaGuardia (LGA) B

19:30
Denver (DEN)
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:30, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3433
07:15
New York LaGuardia (LGA) B

09:45
Denver (DEN)
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:30, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3433
07:15
New York LaGuardia (LGA) B

09:45
Denver (DEN)
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:30, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3433
07:15
New York LaGuardia (LGA) B

09:45
Denver (DEN)
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 4:30, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3433
07:15
New York LaGuardia (LGA) B

09:45
Denver (DEN)
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:30, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3433
07:15
New York LaGuardia (LGA) B

09:45
Denver (DEN)
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:30, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3433
09:50
New York LaGuardia (LGA) B

12:20
Denver (DEN)
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3433
09:50
New York LaGuardia (LGA) B

12:20
Denver (DEN)
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3433
09:50
New York LaGuardia (LGA) B

12:20
Denver (DEN)
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3433
09:50
New York LaGuardia (LGA) B

12:20
Denver (DEN)
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3433
09:50
New York LaGuardia (LGA) B

12:20
Denver (DEN)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3447
06:05
New York LaGuardia (LGA) B

08:20
Denver (DEN)
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3447
06:05
New York LaGuardia (LGA) B

08:20
Denver (DEN)
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3447
06:05
New York LaGuardia (LGA) B

08:20
Denver (DEN)
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3447
06:20
New York LaGuardia (LGA) B

08:30
Denver (DEN)
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3447
06:30
New York LaGuardia (LGA) B

08:40
Denver (DEN)
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3447
12:30
New York LaGuardia (LGA) B

14:40
Denver (DEN)
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:10, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3448
07:15
New York LaGuardia (LGA) B

09:30
Denver (DEN)
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3448
12:40
New York LaGuardia (LGA) B

14:50
Denver (DEN)
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3450
17:00
New York LaGuardia (LGA) B

19:25
Denver (DEN)
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3450
20:20
New York LaGuardia (LGA) B

22:45
Denver (DEN)
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3450
20:50
New York LaGuardia (LGA) B

23:10
Denver (DEN)
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3450
20:55
New York LaGuardia (LGA) B

23:15
Denver (DEN)
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3450
20:55
New York LaGuardia (LGA) B

23:15
Denver (DEN)
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3450
21:55
New York LaGuardia (LGA) B

00:10(+1)
Denver (DEN)
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:15, non-stop
Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Southwest Airlines WN3477
11:35
New York LaGuardia (LGA) B

13:50
Denver (DEN)
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3477
11:35
New York LaGuardia (LGA) B

13:50
Denver (DEN)
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3477
11:40
New York LaGuardia (LGA) B

13:55
Denver (DEN)
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3525
06:40
New York LaGuardia (LGA) B

09:00
Denver (DEN)
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3525
11:10
New York LaGuardia (LGA) B

13:30
Denver (DEN)
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3526
09:35
New York LaGuardia (LGA) B

12:00
Denver (DEN)
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3526
11:50
New York LaGuardia (LGA) B

14:10
Denver (DEN)
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3526
14:40
New York LaGuardia (LGA) B

17:05
Denver (DEN)
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:25, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3553
21:35
New York LaGuardia (LGA) B

00:10(+1)
Denver (DEN)
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:35, non-stop
Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Southwest Airlines WN3553
21:55
New York LaGuardia (LGA) B

00:20(+1)
Denver (DEN)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 4:25, non-stop
Boeing 737-700 (73W)
The flight arrives 1 day after departure.
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  • A domestic route departing from the New York LaGuardia airport (LGA) and arriving at Denver airport (DEN).
  • The flight distance is 1614 miles, or 2598 km.
  • The timezone of the departure airport is UTC-5 , 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 4:10 and 4:45.
Return (DEN-LGA) flights
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