All airlines flying from Seattle-Tacoma (SEA) to Ontario, Los Angeles (ONT).

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Tue 21:30 Seattle-Tacoma (SEA) 00:13 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 332 Non-stop Boeing 737 MAX 9 (7M9) 2:43 Operates only on 2025-08-19
The flight arrives 1 day after departure.
Daily 10:00 Seattle-Tacoma (SEA) 12:34 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 362 Non-stop Boeing 737 (73J) 2:34 Effective 2025-11-21 through 2025-12-01
Daily 20:05 Seattle-Tacoma (SEA) 22:37 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 489 Non-stop Boeing 737 (73J) 2:32 Effective from 2025-10-26
Daily 15:45 Seattle-Tacoma (SEA) 18:17 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 592 Non-stop Boeing 737 (73J) 2:32 Effective from 2025-10-26
Daily 12:40 Seattle-Tacoma (SEA) 15:12 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 664 Non-stop Boeing 737 (73J) 2:32 Effective 2025-10-26 through 2026-02-11
Mon-Thu 20:15 Seattle-Tacoma (SEA) 22:46 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1003 Non-stop Boeing 737 MAX 9 (7M9) 2:31 Effective 2025-05-15 through 2025-05-21
Fri,Sat 20:15 Seattle-Tacoma (SEA) 22:46 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1003 Non-stop Boeing 737 (73J) 2:31 Effective 2025-05-16 through 2025-05-24
Thu,Sun 20:15 Seattle-Tacoma (SEA) 22:46 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1003 Non-stop Boeing 737-800 (73H) 2:31 Effective 2025-05-18 through 2025-05-22
Mon,Tue,Fri,Sun 20:15 Seattle-Tacoma (SEA) 22:46 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1003 Non-stop Boeing 737 MAX 9 (7M9) 2:31 Effective 2025-05-25 through 2025-06-03
Wed 20:15 Seattle-Tacoma (SEA) 22:46 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1003 Non-stop Boeing 737-800 (73H) 2:31 Effective 2025-05-28 through 2025-06-04
Thu,Sat 20:15 Seattle-Tacoma (SEA) 22:46 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1003 Non-stop Boeing 737 (73J) 2:31 Effective 2025-05-29 through 2025-05-31
Mon-Fri 20:15 Seattle-Tacoma (SEA) 22:46 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1003 Non-stop Boeing 737 MAX 9 (7M9) 2:31 Effective 2025-06-05 through 2025-06-11
Sat 20:15 Seattle-Tacoma (SEA) 22:46 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1003 Non-stop Boeing 737 (73J) 2:31 Operates only on 2025-06-07
Sun 20:15 Seattle-Tacoma (SEA) 22:46 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1003 Non-stop Boeing 737-800 (73H) 2:31 Operates only on 2025-06-08
Thu 21:22 Seattle-Tacoma (SEA) 23:59 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1003 Non-stop Boeing 737-800 (73H) 2:37 Valid until 2025-05-08
Fri 21:22 Seattle-Tacoma (SEA) 23:59 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1003 Non-stop Boeing 737 (73J) 2:37 Valid until 2025-05-09
Sun 21:22 Seattle-Tacoma (SEA) 23:59 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1003 Non-stop Boeing 737-700 (73G) 2:37 Valid until 2025-05-11
Mon 21:22 Seattle-Tacoma (SEA) 23:59 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1003 Non-stop Boeing 737 MAX 8 (7M8) 2:37 Valid until 2025-05-12
Daily 20:05 Seattle-Tacoma (SEA) 22:37 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1040 Non-stop Boeing 737 (73J) 2:32 Effective 2025-10-04 through 2025-10-25
Daily 21:15 Seattle-Tacoma (SEA) 23:59 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1040 Non-stop Boeing 737 (73J) 2:44 Effective 2025-08-20 through 2025-10-03
Daily 21:30 Seattle-Tacoma (SEA) 00:13 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1040 Non-stop Boeing 737 MAX 9 (7M9) 2:43 Effective 2025-06-12 through 2025-06-28
The flight arrives 1 day after departure.
Sun 21:30 Seattle-Tacoma (SEA) 00:13 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1040 Non-stop Boeing 737 (73J) 2:43 Operates only on 2025-06-29
The flight arrives 1 day after departure.
Mon-Thu,Sat,Sun 21:30 Seattle-Tacoma (SEA) 00:13 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1040 Non-stop Boeing 737 MAX 9 (7M9) 2:43 Effective 2025-06-30 through 2025-07-10
The flight arrives 1 day after departure.
Daily 21:30 Seattle-Tacoma (SEA) 00:13 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1040 Non-stop Boeing 737 MAX 9 (7M9) 2:43 Effective 2025-07-11 through 2025-08-06
The flight arrives 1 day after departure.
Thu 21:30 Seattle-Tacoma (SEA) 00:13 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1040 Non-stop Boeing 737-800 (73H) 2:43 Operates only on 2025-08-07
The flight arrives 1 day after departure.
Daily 21:30 Seattle-Tacoma (SEA) 00:13 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1040 Non-stop Boeing 737 MAX 9 (7M9) 2:43 Effective 2025-08-08 through 2025-08-16
The flight arrives 1 day after departure.
Sun 21:30 Seattle-Tacoma (SEA) 00:13 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1040 Non-stop Boeing 737-800 (73H) 2:43 Operates only on 2025-08-17
The flight arrives 1 day after departure.
Mon 21:30 Seattle-Tacoma (SEA) 00:13 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1040 Non-stop Boeing 737 MAX 9 (7M9) 2:43 Operates only on 2025-08-18
The flight arrives 1 day after departure.
Mon,Thu 14:56 Seattle-Tacoma (SEA) 17:30 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1086 Non-stop Boeing 737 (73J) 2:34 Valid until 2025-05-01
Mon,Thu,Fri 14:56 Seattle-Tacoma (SEA) 17:30 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1086 Non-stop Boeing 737 (73J) 2:34 Effective 2025-05-02 through 2025-05-12
Sat 15:20 Seattle-Tacoma (SEA) 17:57 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1086 Non-stop Boeing 737 MAX 8 (7M8) 2:37 Effective 2025-06-14 through 2025-07-05
Sat 15:20 Seattle-Tacoma (SEA) 17:57 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1086 Non-stop Boeing 737-800 (73H) 2:37 Operates only on 2025-07-12
Sat 15:20 Seattle-Tacoma (SEA) 17:57 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1086 Non-stop Boeing 737 MAX 8 (7M8) 2:37 Effective 2025-07-19 through 2025-08-16
Mon-Fri 15:25 Seattle-Tacoma (SEA) 18:04 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1086 Non-stop Boeing 737 (73J) 2:39 Effective 2025-06-12 through 2025-06-20
Sun 15:25 Seattle-Tacoma (SEA) 18:04 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1086 Non-stop Boeing 737 MAX 9 (7M9) 2:39 Operates only on 2025-06-15
Mon-Fri,Sun 15:25 Seattle-Tacoma (SEA) 18:04 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1086 Non-stop Boeing 737 (73J) 2:39 Effective 2025-06-22 through 2025-06-27
Sun 15:25 Seattle-Tacoma (SEA) 18:04 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1086 Non-stop Boeing 737 MAX 9 (7M9) 2:39 Operates only on 2025-06-29
Mon-Thu,Sun 15:25 Seattle-Tacoma (SEA) 18:04 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1086 Non-stop Boeing 737 (73J) 2:39 Effective 2025-06-30 through 2025-07-10
Mon-Fri,Sun 15:25 Seattle-Tacoma (SEA) 18:04 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1086 Non-stop Boeing 737 (73J) 2:39 Effective 2025-07-11 through 2025-07-18
Sun 15:25 Seattle-Tacoma (SEA) 18:04 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1086 Non-stop Boeing 737 MAX 9 (7M9) 2:39 Operates only on 2025-07-20
Mon-Fri,Sun 15:25 Seattle-Tacoma (SEA) 18:04 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1086 Non-stop Boeing 737 (73J) 2:39 Effective 2025-07-21 through 2025-08-19
Tue-Sun 15:42 Seattle-Tacoma (SEA) 18:23 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1086 Non-stop Boeing 737 (73J) 2:41 Effective 2025-08-20 through 2025-10-03
Mon 15:42 Seattle-Tacoma (SEA) 18:23 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1086 Non-stop Boeing 737 MAX 8 (7M8) 2:41 Effective 2025-08-25 through 2025-09-29
Daily 15:45 Seattle-Tacoma (SEA) 18:17 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1086 Non-stop Boeing 737 (73J) 2:32 Effective 2025-10-04 through 2025-10-25
Thu,Fri,Sun 15:53 Seattle-Tacoma (SEA) 18:25 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1086 Non-stop Boeing 737 (73J) 2:32 Effective 2025-05-15 through 2025-05-25
Mon,Wed 15:53 Seattle-Tacoma (SEA) 18:25 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1086 Non-stop Boeing 737 MAX 9 (7M9) 2:32 Effective 2025-05-19 through 2025-05-21
Tue 15:53 Seattle-Tacoma (SEA) 18:25 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1086 Non-stop Boeing 737-900 (739) 2:32 Operates only on 2025-05-20
Mon-Fri 15:53 Seattle-Tacoma (SEA) 18:25 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1086 Non-stop Boeing 737 (73J) 2:32 Effective 2025-05-26 through 2025-06-06
Sun 15:53 Seattle-Tacoma (SEA) 18:25 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1086 Non-stop Boeing 737 MAX 9 (7M9) 2:32 Operates only on 2025-06-01
Mon-Wed,Sun 15:53 Seattle-Tacoma (SEA) 18:25 Ontario, Los Angeles (ONT) 2
Alaska Airlines AS 1086 Non-stop Boeing 737 (73J) 2:32 Effective 2025-06-08 through 2025-06-11
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All airlines flying from Seattle-Tacoma (SEA) to Ontario, Los Angeles (ONT).
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS332
21:30
Seattle-Tacoma (SEA)

00:13(+1)
Ontario, Los Angeles (ONT) 2
Operates only on 2025-08-19
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:43, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Alaska Airlines AS362
10:00
Seattle-Tacoma (SEA)

12:34
Ontario, Los Angeles (ONT) 2
Effective 2025-11-21 through 2025-12-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:34, non-stop
Boeing 737 (73J)
Alaska Airlines AS489
20:05
Seattle-Tacoma (SEA)

22:37
Ontario, Los Angeles (ONT) 2
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:32, non-stop
Boeing 737 (73J)
Alaska Airlines AS592
15:45
Seattle-Tacoma (SEA)

18:17
Ontario, Los Angeles (ONT) 2
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:32, non-stop
Boeing 737 (73J)
Alaska Airlines AS664
12:40
Seattle-Tacoma (SEA)

15:12
Ontario, Los Angeles (ONT) 2
Effective 2025-10-26 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:32, non-stop
Boeing 737 (73J)
Alaska Airlines AS1003
20:15
Seattle-Tacoma (SEA)

22:46
Ontario, Los Angeles (ONT) 2
Effective 2025-05-15 through 2025-05-21
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:31, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS1003
20:15
Seattle-Tacoma (SEA)

22:46
Ontario, Los Angeles (ONT) 2
Effective 2025-05-16 through 2025-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 2:31, non-stop
Boeing 737 (73J)
Alaska Airlines AS1003
20:15
Seattle-Tacoma (SEA)

22:46
Ontario, Los Angeles (ONT) 2
Effective 2025-05-18 through 2025-05-22
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 2:31, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS1003
20:15
Seattle-Tacoma (SEA)

22:46
Ontario, Los Angeles (ONT) 2
Effective 2025-05-25 through 2025-06-03
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:31, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS1003
20:15
Seattle-Tacoma (SEA)

22:46
Ontario, Los Angeles (ONT) 2
Effective 2025-05-28 through 2025-06-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:31, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS1003
20:15
Seattle-Tacoma (SEA)

22:46
Ontario, Los Angeles (ONT) 2
Effective 2025-05-29 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 2:31, non-stop
Boeing 737 (73J)
Alaska Airlines AS1003
20:15
Seattle-Tacoma (SEA)

22:46
Ontario, Los Angeles (ONT) 2
Effective 2025-06-05 through 2025-06-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:31, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS1003
20:15
Seattle-Tacoma (SEA)

22:46
Ontario, Los Angeles (ONT) 2
Operates only on 2025-06-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:31, non-stop
Boeing 737 (73J)
Alaska Airlines AS1003
20:15
Seattle-Tacoma (SEA)

22:46
Ontario, Los Angeles (ONT) 2
Operates only on 2025-06-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:31, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS1003
21:22
Seattle-Tacoma (SEA)

23:59
Ontario, Los Angeles (ONT) 2
Valid until 2025-05-08
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:37, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS1003
21:22
Seattle-Tacoma (SEA)

23:59
Ontario, Los Angeles (ONT) 2
Valid until 2025-05-09
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:37, non-stop
Boeing 737 (73J)
Alaska Airlines AS1003
21:22
Seattle-Tacoma (SEA)

23:59
Ontario, Los Angeles (ONT) 2
Valid until 2025-05-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:37, non-stop
Boeing 737-700 (73G)
Alaska Airlines AS1003
21:22
Seattle-Tacoma (SEA)

23:59
Ontario, Los Angeles (ONT) 2
Valid until 2025-05-12
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:37, non-stop
Boeing 737 MAX 8 (7M8)
Alaska Airlines AS1040
20:05
Seattle-Tacoma (SEA)

22:37
Ontario, Los Angeles (ONT) 2
Effective 2025-10-04 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:32, non-stop
Boeing 737 (73J)
Alaska Airlines AS1040
21:15
Seattle-Tacoma (SEA)

23:59
Ontario, Los Angeles (ONT) 2
Effective 2025-08-20 through 2025-10-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:44, non-stop
Boeing 737 (73J)
Alaska Airlines AS1040
21:30
Seattle-Tacoma (SEA)

00:13(+1)
Ontario, Los Angeles (ONT) 2
Effective 2025-06-12 through 2025-06-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:43, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Alaska Airlines AS1040
21:30
Seattle-Tacoma (SEA)

00:13(+1)
Ontario, Los Angeles (ONT) 2
Operates only on 2025-06-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:43, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.
Alaska Airlines AS1040
21:30
Seattle-Tacoma (SEA)

00:13(+1)
Ontario, Los Angeles (ONT) 2
Effective 2025-06-30 through 2025-07-10
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 2:43, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Alaska Airlines AS1040
21:30
Seattle-Tacoma (SEA)

00:13(+1)
Ontario, Los Angeles (ONT) 2
Effective 2025-07-11 through 2025-08-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:43, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Alaska Airlines AS1040
21:30
Seattle-Tacoma (SEA)

00:13(+1)
Ontario, Los Angeles (ONT) 2
Operates only on 2025-08-07
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:43, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Alaska Airlines AS1040
21:30
Seattle-Tacoma (SEA)

00:13(+1)
Ontario, Los Angeles (ONT) 2
Effective 2025-08-08 through 2025-08-16
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:43, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Alaska Airlines AS1040
21:30
Seattle-Tacoma (SEA)

00:13(+1)
Ontario, Los Angeles (ONT) 2
Operates only on 2025-08-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:43, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Alaska Airlines AS1040
21:30
Seattle-Tacoma (SEA)

00:13(+1)
Ontario, Los Angeles (ONT) 2
Operates only on 2025-08-18
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:43, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Alaska Airlines AS1086
14:56
Seattle-Tacoma (SEA)

17:30
Ontario, Los Angeles (ONT) 2
Valid until 2025-05-01
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:34, non-stop
Boeing 737 (73J)
Alaska Airlines AS1086
14:56
Seattle-Tacoma (SEA)

17:30
Ontario, Los Angeles (ONT) 2
Effective 2025-05-02 through 2025-05-12
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:34, non-stop
Boeing 737 (73J)
Alaska Airlines AS1086
15:20
Seattle-Tacoma (SEA)

17:57
Ontario, Los Angeles (ONT) 2
Effective 2025-06-14 through 2025-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:37, non-stop
Boeing 737 MAX 8 (7M8)
Alaska Airlines AS1086
15:20
Seattle-Tacoma (SEA)

17:57
Ontario, Los Angeles (ONT) 2
Operates only on 2025-07-12
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:37, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS1086
15:20
Seattle-Tacoma (SEA)

17:57
Ontario, Los Angeles (ONT) 2
Effective 2025-07-19 through 2025-08-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:37, non-stop
Boeing 737 MAX 8 (7M8)
Alaska Airlines AS1086
15:25
Seattle-Tacoma (SEA)

18:04
Ontario, Los Angeles (ONT) 2
Effective 2025-06-12 through 2025-06-20
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:39, non-stop
Boeing 737 (73J)
Alaska Airlines AS1086
15:25
Seattle-Tacoma (SEA)

18:04
Ontario, Los Angeles (ONT) 2
Operates only on 2025-06-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:39, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS1086
15:25
Seattle-Tacoma (SEA)

18:04
Ontario, Los Angeles (ONT) 2
Effective 2025-06-22 through 2025-06-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:39, non-stop
Boeing 737 (73J)
Alaska Airlines AS1086
15:25
Seattle-Tacoma (SEA)

18:04
Ontario, Los Angeles (ONT) 2
Operates only on 2025-06-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:39, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS1086
15:25
Seattle-Tacoma (SEA)

18:04
Ontario, Los Angeles (ONT) 2
Effective 2025-06-30 through 2025-07-10
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 2:39, non-stop
Boeing 737 (73J)
Alaska Airlines AS1086
15:25
Seattle-Tacoma (SEA)

18:04
Ontario, Los Angeles (ONT) 2
Effective 2025-07-11 through 2025-07-18
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:39, non-stop
Boeing 737 (73J)
Alaska Airlines AS1086
15:25
Seattle-Tacoma (SEA)

18:04
Ontario, Los Angeles (ONT) 2
Operates only on 2025-07-20
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:39, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS1086
15:25
Seattle-Tacoma (SEA)

18:04
Ontario, Los Angeles (ONT) 2
Effective 2025-07-21 through 2025-08-19
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:39, non-stop
Boeing 737 (73J)
Alaska Airlines AS1086
15:42
Seattle-Tacoma (SEA)

18:23
Ontario, Los Angeles (ONT) 2
Effective 2025-08-20 through 2025-10-03
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:41, non-stop
Boeing 737 (73J)
Alaska Airlines AS1086
15:42
Seattle-Tacoma (SEA)

18:23
Ontario, Los Angeles (ONT) 2
Effective 2025-08-25 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:41, non-stop
Boeing 737 MAX 8 (7M8)
Alaska Airlines AS1086
15:45
Seattle-Tacoma (SEA)

18:17
Ontario, Los Angeles (ONT) 2
Effective 2025-10-04 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:32, non-stop
Boeing 737 (73J)
Alaska Airlines AS1086
15:53
Seattle-Tacoma (SEA)

18:25
Ontario, Los Angeles (ONT) 2
Effective 2025-05-15 through 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:32, non-stop
Boeing 737 (73J)
Alaska Airlines AS1086
15:53
Seattle-Tacoma (SEA)

18:25
Ontario, Los Angeles (ONT) 2
Effective 2025-05-19 through 2025-05-21
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:32, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS1086
15:53
Seattle-Tacoma (SEA)

18:25
Ontario, Los Angeles (ONT) 2
Operates only on 2025-05-20
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:32, non-stop
Boeing 737-900 (739)
Alaska Airlines AS1086
15:53
Seattle-Tacoma (SEA)

18:25
Ontario, Los Angeles (ONT) 2
Effective 2025-05-26 through 2025-06-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:32, non-stop
Boeing 737 (73J)
Alaska Airlines AS1086
15:53
Seattle-Tacoma (SEA)

18:25
Ontario, Los Angeles (ONT) 2
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:32, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS1086
15:53
Seattle-Tacoma (SEA)

18:25
Ontario, Los Angeles (ONT) 2
Effective 2025-06-08 through 2025-06-11
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:32, non-stop
Boeing 737 (73J)
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Parallax here SEA-ONT
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  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Ontario, Los Angeles airport (ONT).
  • The flight distance is 956 miles, or 1539 km.
  • The timezone of both the departure and the arrival airports is UTC-8 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 2:31 and 2:55.
Return (ONT-SEA) flights
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