All airlines flying from Denver (DEN) to Ontario, Los Angeles (ONT).

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 20:40 Denver (DEN) 22:00 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 410 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Valid until 2025-05-03
Sat 20:40 Denver (DEN) 22:00 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 410 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-05-10 through 2025-05-31
Sun 21:10 Denver (DEN) 22:30 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 410 Non-stop Boeing 737-800 (73H) 2:20 Operates only on 2025-05-25
Tue,Wed 21:40 Denver (DEN) 23:00 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 410 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Valid until 2025-06-04
Sun 22:30 Denver (DEN) 23:50 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 410 Non-stop Boeing 737-800 (73H) 2:20 Valid until 2025-05-18
Sun 22:30 Denver (DEN) 23:50 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 410 Non-stop Boeing 737-800 (73H) 2:20 Operates only on 2025-06-01
Mon,Tue,Thu-Sun 11:15 Denver (DEN) 12:38 Ontario, Los Angeles (ONT) 2
United Airlines UA 430 Non-stop Airbus A320 (320) 2:23 Valid until 2025-05-20
Wed 11:15 Denver (DEN) 12:38 Ontario, Los Angeles (ONT) 2
United Airlines UA 430 Non-stop Boeing 737-800 (738) 2:23 Effective 2025-05-07 through 2025-05-14
Wed 11:15 Denver (DEN) 12:38 Ontario, Los Angeles (ONT) 2
United Airlines UA 430 Non-stop Boeing 737-900 (739) 2:23 Operates only on 2025-05-21
Daily 11:15 Denver (DEN) 12:31 Ontario, Los Angeles (ONT) 2
United Airlines UA 430 Non-stop Boeing 737-800 (738) 2:16 Effective 2025-05-22 through 2025-05-28
Thu 11:15 Denver (DEN) 12:29 Ontario, Los Angeles (ONT) 2
United Airlines UA 430 Non-stop Boeing 737-900 (739) 2:14 Operates only on 2025-05-29
Daily 11:15 Denver (DEN) 12:31 Ontario, Los Angeles (ONT) 2
United Airlines UA 430 Non-stop Boeing 737-800 (738) 2:16 Effective 2025-05-30 through 2025-06-25
Daily 11:15 Denver (DEN) 12:32 Ontario, Los Angeles (ONT) 2
United Airlines UA 430 Non-stop Boeing 737-800 (738) 2:17 Effective 2025-06-26 through 2025-08-18
Daily 11:15 Denver (DEN) 12:33 Ontario, Los Angeles (ONT) 2
United Airlines UA 430 Non-stop Boeing 737 MAX 8 (7M8) 2:18 Effective 2025-08-19 through 2025-09-24
Daily 11:15 Denver (DEN) 12:32 Ontario, Los Angeles (ONT) 2
United Airlines UA 430 Non-stop Boeing 737 MAX 8 (7M8) 2:17 Effective 2025-09-25 through 2025-10-25
Daily 11:15 Denver (DEN) 12:33 Ontario, Los Angeles (ONT) 2
United Airlines UA 430 Non-stop Airbus A320 (320) 2:18 Effective from 2025-10-26
Tue,Wed 13:10 Denver (DEN) 14:30 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 533 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-11-04 through 2025-11-12
Mon-Thu 13:10 Denver (DEN) 14:30 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 533 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-11-17 through 2025-11-20
Mon-Fri 13:10 Denver (DEN) 14:30 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 533 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-12-02 through 2025-12-11
Mon-Wed 13:10 Denver (DEN) 14:30 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 533 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-12-15 through 2025-12-17
Wed,Thu 13:10 Denver (DEN) 14:30 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 533 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-12-24 through 2026-01-01
Mon,Thu,Fri,Sun 13:45 Denver (DEN) 15:05 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 533 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 13:45 Denver (DEN) 15:05 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 533 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2025-11-21 through 2025-11-28
Fri,Sun 13:45 Denver (DEN) 15:05 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 533 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2025-12-07 through 2025-12-14
Thu 13:45 Denver (DEN) 15:05 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 533 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Operates only on 2025-12-18
Mon 13:45 Denver (DEN) 15:05 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 533 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Operates only on 2026-01-05
Sun 17:25 Denver (DEN) 18:45 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 533 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Operates only on 2025-11-30
Tue,Wed 11:40 Denver (DEN) 13:00 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 851 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-06-10 through 2025-07-30
Mon,Thu,Fri 14:05 Denver (DEN) 15:25 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 851 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-06-05 through 2025-07-03
Fri 14:05 Denver (DEN) 15:25 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 851 Non-stop Boeing 737-700 (73W) 2:20 Operates only on 2025-07-04
Mon,Thu,Fri 14:05 Denver (DEN) 15:25 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 851 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-07-07 through 2025-08-04
Sat 16:10 Denver (DEN) 17:30 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 851 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-06-07 through 2025-08-02
Mon,Thu,Fri 08:30 Denver (DEN) 09:45 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 884 Non-stop Boeing 737-700 (73W) 2:15 Effective 2025-08-07 through 2025-09-29
Thu 15:15 Denver (DEN) 16:35 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 961 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Operates only on 2025-11-27
Thu 07:55 Denver (DEN) 09:20 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 1131 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Operates only on 2025-11-27
Daily 07:40 Denver (DEN) 09:01 Ontario, Los Angeles (ONT)
Frontier Airlines F9 1261 Non-stop Airbus A320neo (32N) 2:21 Effective 2025-06-12 through 2025-07-04
Daily 07:40 Denver (DEN) 09:00 Ontario, Los Angeles (ONT)
Frontier Airlines F9 1261 Non-stop Airbus A320neo (32N) 2:20 Effective 2025-07-05 through 2025-08-18
Mon,Wed-Sun 07:51 Denver (DEN) 09:15 Ontario, Los Angeles (ONT)
Frontier Airlines F9 1261 Non-stop Airbus A320neo (32N) 2:24 Effective 2025-05-22 through 2025-05-31
Mon,Wed-Sun 07:51 Denver (DEN) 09:12 Ontario, Los Angeles (ONT)
Frontier Airlines F9 1261 Non-stop Airbus A320neo (32N) 2:21 Effective 2025-06-01 through 2025-06-09
Wed 08:00 Denver (DEN) 09:21 Ontario, Los Angeles (ONT)
Frontier Airlines F9 1261 Non-stop Airbus A320neo (32N) 2:21 Operates only on 2025-06-11
Tue 09:20 Denver (DEN) 10:45 Ontario, Los Angeles (ONT)
Frontier Airlines F9 1261 Non-stop Airbus A320neo (32N) 2:25 Operates only on 2025-05-27
Tue 09:20 Denver (DEN) 10:43 Ontario, Los Angeles (ONT)
Frontier Airlines F9 1261 Non-stop Airbus A320neo (32N) 2:23 Effective 2025-06-03 through 2025-06-10
Thu,Fri,Sun 09:50 Denver (DEN) 11:15 Ontario, Los Angeles (ONT)
Frontier Airlines F9 1261 Non-stop Airbus A320neo (32N) 2:25 Effective 2025-05-04 through 2025-05-11
Mon,Thu,Fri,Sun 09:50 Denver (DEN) 11:15 Ontario, Los Angeles (ONT)
Frontier Airlines F9 1261 Non-stop Airbus A320neo (32N) 2:25 Effective 2025-05-12 through 2025-05-19
Thu 10:00 Denver (DEN) 11:26 Ontario, Los Angeles (ONT)
Frontier Airlines F9 1261 Non-stop Airbus A320neo (32N) 2:26 Operates only on 2025-05-01
Mon,Fri 10:00 Denver (DEN) 11:26 Ontario, Los Angeles (ONT)
Frontier Airlines F9 1261 Non-stop Airbus A321neo (32Q) 2:26 Effective 2025-05-02 through 2025-05-05
Sun 14:45 Denver (DEN) 16:05 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 1313 Non-stop Boeing 737-700 (73W) 2:20 Effective 2025-06-08 through 2025-08-03
Thu 13:10 Denver (DEN) 14:30 Ontario, Los Angeles (ONT) 4
Southwest Airlines WN 1445 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Operates only on 2025-11-27
Wed 21:43 Denver (DEN) 23:08 Ontario, Los Angeles (ONT)
Frontier Airlines F9 1499 Non-stop Airbus A321neo (32Q) 2:25 Operates only on 2025-05-07
Wed 21:43 Denver (DEN) 23:08 Ontario, Los Angeles (ONT)
Frontier Airlines F9 1499 Non-stop Airbus A320neo (32N) 2:25 Operates only on 2025-05-14
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All airlines flying from Denver (DEN) to Ontario, Los Angeles (ONT).
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN410
20:40
Denver (DEN)

22:00
Ontario, Los Angeles (ONT) 4
Valid until 2025-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN410
20:40
Denver (DEN)

22:00
Ontario, Los Angeles (ONT) 4
Effective 2025-05-10 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN410
21:10
Denver (DEN)

22:30
Ontario, Los Angeles (ONT) 4
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN410
21:40
Denver (DEN)

23:00
Ontario, Los Angeles (ONT) 4
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN410
22:30
Denver (DEN)

23:50
Ontario, Los Angeles (ONT) 4
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN410
22:30
Denver (DEN)

23:50
Ontario, Los Angeles (ONT) 4
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-800 (73H)
United Airlines UA430
11:15
Denver (DEN)

12:38
Ontario, Los Angeles (ONT) 2
Valid until 2025-05-20
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:23, non-stop
Airbus A320 (320)
United Airlines UA430
11:15
Denver (DEN)

12:38
Ontario, Los Angeles (ONT) 2
Effective 2025-05-07 through 2025-05-14
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:23, non-stop
Boeing 737-800 (738)
United Airlines UA430
11:15
Denver (DEN)

12:38
Ontario, Los Angeles (ONT) 2
Operates only on 2025-05-21
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:23, non-stop
Boeing 737-900 (739)
United Airlines UA430
11:15
Denver (DEN)

12:31
Ontario, Los Angeles (ONT) 2
Effective 2025-05-22 through 2025-05-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:16, non-stop
Boeing 737-800 (738)
United Airlines UA430
11:15
Denver (DEN)

12:29
Ontario, Los Angeles (ONT) 2
Operates only on 2025-05-29
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:14, non-stop
Boeing 737-900 (739)
United Airlines UA430
11:15
Denver (DEN)

12:31
Ontario, Los Angeles (ONT) 2
Effective 2025-05-30 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:16, non-stop
Boeing 737-800 (738)
United Airlines UA430
11:15
Denver (DEN)

12:32
Ontario, Los Angeles (ONT) 2
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:17, non-stop
Boeing 737-800 (738)
United Airlines UA430
11:15
Denver (DEN)

12:33
Ontario, Los Angeles (ONT) 2
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:18, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA430
11:15
Denver (DEN)

12:32
Ontario, Los Angeles (ONT) 2
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:17, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA430
11:15
Denver (DEN)

12:33
Ontario, Los Angeles (ONT) 2
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:18, non-stop
Airbus A320 (320)
Southwest Airlines WN533
13:10
Denver (DEN)

14:30
Ontario, Los Angeles (ONT) 4
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN533
13:10
Denver (DEN)

14:30
Ontario, Los Angeles (ONT) 4
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN533
13:10
Denver (DEN)

14:30
Ontario, Los Angeles (ONT) 4
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN533
13:10
Denver (DEN)

14:30
Ontario, Los Angeles (ONT) 4
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN533
13:10
Denver (DEN)

14:30
Ontario, Los Angeles (ONT) 4
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN533
13:45
Denver (DEN)

15:05
Ontario, Los Angeles (ONT) 4
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN533
13:45
Denver (DEN)

15:05
Ontario, Los Angeles (ONT) 4
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN533
13:45
Denver (DEN)

15:05
Ontario, Los Angeles (ONT) 4
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN533
13:45
Denver (DEN)

15:05
Ontario, Los Angeles (ONT) 4
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN533
13:45
Denver (DEN)

15:05
Ontario, Los Angeles (ONT) 4
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN533
17:25
Denver (DEN)

18:45
Ontario, Los Angeles (ONT) 4
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN851
11:40
Denver (DEN)

13:00
Ontario, Los Angeles (ONT) 4
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN851
14:05
Denver (DEN)

15:25
Ontario, Los Angeles (ONT) 4
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN851
14:05
Denver (DEN)

15:25
Ontario, Los Angeles (ONT) 4
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN851
14:05
Denver (DEN)

15:25
Ontario, Los Angeles (ONT) 4
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN851
16:10
Denver (DEN)

17:30
Ontario, Los Angeles (ONT) 4
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN884
08:30
Denver (DEN)

09:45
Ontario, Los Angeles (ONT) 4
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN961
15:15
Denver (DEN)

16:35
Ontario, Los Angeles (ONT) 4
Operates only on 2025-11-27
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1131
07:55
Denver (DEN)

09:20
Ontario, Los Angeles (ONT) 4
Operates only on 2025-11-27
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Frontier Airlines F91261
07:40
Denver (DEN)

09:01
Ontario, Los Angeles (ONT)
Effective 2025-06-12 through 2025-07-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:21, non-stop
Airbus A320neo (32N)
Frontier Airlines F91261
07:40
Denver (DEN)

09:00
Ontario, Los Angeles (ONT)
Effective 2025-07-05 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:20, non-stop
Airbus A320neo (32N)
Frontier Airlines F91261
07:51
Denver (DEN)

09:15
Ontario, Los Angeles (ONT)
Effective 2025-05-22 through 2025-05-31
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 2:24, non-stop
Airbus A320neo (32N)
Frontier Airlines F91261
07:51
Denver (DEN)

09:12
Ontario, Los Angeles (ONT)
Effective 2025-06-01 through 2025-06-09
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 2:21, non-stop
Airbus A320neo (32N)
Frontier Airlines F91261
08:00
Denver (DEN)

09:21
Ontario, Los Angeles (ONT)
Operates only on 2025-06-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:21, non-stop
Airbus A320neo (32N)
Frontier Airlines F91261
09:20
Denver (DEN)

10:45
Ontario, Los Angeles (ONT)
Operates only on 2025-05-27
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Airbus A320neo (32N)
Frontier Airlines F91261
09:20
Denver (DEN)

10:43
Ontario, Los Angeles (ONT)
Effective 2025-06-03 through 2025-06-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:23, non-stop
Airbus A320neo (32N)
Frontier Airlines F91261
09:50
Denver (DEN)

11:15
Ontario, Los Angeles (ONT)
Effective 2025-05-04 through 2025-05-11
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:25, non-stop
Airbus A320neo (32N)
Frontier Airlines F91261
09:50
Denver (DEN)

11:15
Ontario, Los Angeles (ONT)
Effective 2025-05-12 through 2025-05-19
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:25, non-stop
Airbus A320neo (32N)
Frontier Airlines F91261
10:00
Denver (DEN)

11:26
Ontario, Los Angeles (ONT)
Operates only on 2025-05-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:26, non-stop
Airbus A320neo (32N)
Frontier Airlines F91261
10:00
Denver (DEN)

11:26
Ontario, Los Angeles (ONT)
Effective 2025-05-02 through 2025-05-05
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:26, non-stop
Airbus A321neo (32Q)
Southwest Airlines WN1313
14:45
Denver (DEN)

16:05
Ontario, Los Angeles (ONT) 4
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1445
13:10
Denver (DEN)

14:30
Ontario, Los Angeles (ONT) 4
Operates only on 2025-11-27
Mon
-
Tue
-
Wed
-
Thu
Fri
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Sat
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Sun
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Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Frontier Airlines F91499
21:43
Denver (DEN)

23:08
Ontario, Los Angeles (ONT)
Operates only on 2025-05-07
Mon
-
Tue
-
Wed
Thu
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Fri
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Sat
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Sun
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Duration: 2:25, non-stop
Airbus A321neo (32Q)
Frontier Airlines F91499
21:43
Denver (DEN)

23:08
Ontario, Los Angeles (ONT)
Operates only on 2025-05-14
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
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Duration: 2:25, non-stop
Airbus A320neo (32N)
Ad mobi box here (300x250px) 6815354179 M FlightInfo Bottom Box
Parallax here DEN-ONT
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  • A domestic route departing from the Denver airport (DEN) and arriving at Ontario, Los Angeles airport (ONT).
  • The flight distance is 817 miles, or 1315 km.
  • The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-8 . 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 2:14 and 2:31.
Return (ONT-DEN) flights
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