Alaska Airlines flights from Ontario, Los Angeles (ONT) to Seattle-Tacoma (SEA).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 19:59 Ontario, Los Angeles (ONT) 2 22:48 Seattle-Tacoma (SEA)
Alaska Airlines AS 1087 Non-stop Boeing 737-800 (73H) 2:49 Effective 2024-03-14 through 2024-03-18
Thu 19:59 Ontario, Los Angeles (ONT) 2 22:48 Seattle-Tacoma (SEA)
Alaska Airlines AS 1087 Non-stop Boeing 737 (73J) 2:49 Effective 2024-03-21 through 2024-03-28
Mon,Fri 19:59 Ontario, Los Angeles (ONT) 2 22:48 Seattle-Tacoma (SEA)
Alaska Airlines AS 1087 Non-stop Boeing 737-800 (73H) 2:49 Effective 2024-03-22 through 2024-04-01
Thu,Fri 19:59 Ontario, Los Angeles (ONT) 2 22:48 Seattle-Tacoma (SEA)
Alaska Airlines AS 1087 Non-stop Boeing 737-900 (739) 2:49 Effective 2024-04-04 through 2024-04-12
Mon 19:59 Ontario, Los Angeles (ONT) 2 22:48 Seattle-Tacoma (SEA)
Alaska Airlines AS 1087 Non-stop Boeing 737-800 (73H) 2:49 Effective 2024-04-08 through 2024-04-15
Mon,Thu,Fri,Sun 19:59 Ontario, Los Angeles (ONT) 2 22:37 Seattle-Tacoma (SEA)
Alaska Airlines AS 1087 Non-stop Boeing 737 (73J) 2:38 Effective 2024-04-18 through 2024-05-13
Sun 20:49 Ontario, Los Angeles (ONT) 2 23:38 Seattle-Tacoma (SEA)
Alaska Airlines AS 1087 Non-stop Boeing 737 MAX 9 (7M9) 2:49 Effective 2024-03-17 through 2024-04-14
Daily 20:50 Ontario, Los Angeles (ONT) 2 23:39 Seattle-Tacoma (SEA)
Alaska Airlines AS 1087 Non-stop Boeing 737 (73J) 2:49 Effective from 2024-05-16
Mon-Fri 06:00 Ontario, Los Angeles (ONT) 2 08:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737 MAX 9 (7M9) 2:50 Valid until 2024-01-05
Sat,Sun 06:00 Ontario, Los Angeles (ONT) 2 08:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737 (73J) 2:50 Valid until 2024-01-07
Tue,Sat 06:00 Ontario, Los Angeles (ONT) 2 08:54 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737 MAX 9 (7M9) 2:54 Effective 2024-01-09 through 2024-01-13
Wed 06:00 Ontario, Los Angeles (ONT) 2 08:54 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737-800 (73H) 2:54 Effective 2024-01-10 through 2024-01-31
Mon,Tue,Thu,Fri,Sun 06:00 Ontario, Los Angeles (ONT) 2 08:54 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737 (73J) 2:54 Effective 2024-01-11 through 2024-01-19
Mon,Tue,Thu-Sun 06:00 Ontario, Los Angeles (ONT) 2 08:54 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737 (73J) 2:54 Effective 2024-01-20 through 2024-01-30
Mon,Wed,Thu,Sun 06:00 Ontario, Los Angeles (ONT) 2 08:54 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737-800 (73H) 2:54 Effective 2024-02-01 through 2024-02-14
Tue,Fri,Sat 06:00 Ontario, Los Angeles (ONT) 2 08:54 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737 (73J) 2:54 Effective 2024-02-02 through 2024-02-06
Fri 06:00 Ontario, Los Angeles (ONT) 2 08:54 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737 MAX 9 (7M9) 2:54 Operates only on 2024-02-09
Tue,Sat 06:00 Ontario, Los Angeles (ONT) 2 08:54 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737 (73J) 2:54 Effective 2024-02-10 through 2024-02-13
Tue-Sun 06:00 Ontario, Los Angeles (ONT) 2 08:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737-800 (73H) 2:50 Effective 2024-02-15 through 2024-02-21
Mon 06:00 Ontario, Los Angeles (ONT) 2 08:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737 (73J) 2:50 Effective 2024-02-19 through 2024-03-04
Thu 06:00 Ontario, Los Angeles (ONT) 2 08:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737 MAX 9 (7M9) 2:50 Operates only on 2024-02-22
Tue-Sun 06:00 Ontario, Los Angeles (ONT) 2 08:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737-800 (73H) 2:50 Effective 2024-02-23 through 2024-03-07
Mon,Fri 06:00 Ontario, Los Angeles (ONT) 2 08:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737 (73J) 2:50 Effective 2024-03-08 through 2024-03-15
Tue-Thu,Sat,Sun 06:00 Ontario, Los Angeles (ONT) 2 08:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737-800 (73H) 2:50 Effective 2024-03-09 through 2024-03-14
Thu,Sat 06:00 Ontario, Los Angeles (ONT) 2 08:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737 (73J) 2:50 Effective 2024-03-16 through 2024-03-21
Sun 06:00 Ontario, Los Angeles (ONT) 2 08:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737-700 (73G) 2:50 Effective 2024-03-17 through 2024-04-14
Mon,Fri,Sat 06:00 Ontario, Los Angeles (ONT) 2 08:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737 MAX 9 (7M9) 2:50 Effective 2024-03-18 through 2024-03-25
Tue,Wed 06:00 Ontario, Los Angeles (ONT) 2 08:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737-800 (73H) 2:50 Effective 2024-03-19 through 2024-03-27
Tue-Thu 06:00 Ontario, Los Angeles (ONT) 2 08:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737-800 (73H) 2:50 Effective 2024-03-28 through 2024-04-03
Mon,Thu,Fri 06:00 Ontario, Los Angeles (ONT) 2 08:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737 (73J) 2:50 Effective 2024-03-29 through 2024-04-05
Sat 06:00 Ontario, Los Angeles (ONT) 2 08:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737 MAX 9 (7M9) 2:50 Operates only on 2024-03-30
Mon,Fri,Sat 06:00 Ontario, Los Angeles (ONT) 2 08:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737 (73J) 2:50 Effective 2024-04-06 through 2024-04-15
Tue-Thu 06:00 Ontario, Los Angeles (ONT) 2 08:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737-800 (73H) 2:50 Effective 2024-04-09 through 2024-04-11
Daily 06:00 Ontario, Los Angeles (ONT) 2 08:46 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737 (73J) 2:46 Effective 2024-04-16 through 2024-05-15
Daily 06:00 Ontario, Los Angeles (ONT) 2 08:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 1091 Non-stop Boeing 737 (73J) 2:50 Effective from 2024-05-16
Daily 11:05 Ontario, Los Angeles (ONT) 2 13:55 Seattle-Tacoma (SEA)
Alaska Airlines AS 1111 Non-stop Boeing 737 (73J) 2:50 Effective from 2024-05-16
Mon-Wed,Fri,Sun 15:01 Ontario, Los Angeles (ONT) 2 17:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737 (73J) 2:49 Valid until 2024-01-03
Thu,Fri,Sun 15:01 Ontario, Los Angeles (ONT) 2 17:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737 (73J) 2:49 Effective 2024-01-04 through 2024-01-07
Sat 15:25 Ontario, Los Angeles (ONT) 2 18:14 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737 MAX 9 (7M9) 2:49 Operates only on 2024-01-06
Daily 16:00 Ontario, Los Angeles (ONT) 2 18:49 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737 (73J) 2:49 Effective from 2024-05-16
Mon,Sun 16:42 Ontario, Los Angeles (ONT) 2 19:33 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737 (73J) 2:51 Effective 2024-01-08 through 2024-01-14
Thu,Fri 16:42 Ontario, Los Angeles (ONT) 2 19:33 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737-900 (739) 2:51 Effective 2024-01-11 through 2024-01-12
Mon 16:42 Ontario, Los Angeles (ONT) 2 19:33 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737-800 (73H) 2:51 Effective 2024-01-15 through 2024-02-05
Thu,Fri,Sun 16:42 Ontario, Los Angeles (ONT) 2 19:33 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737 (73J) 2:51 Effective 2024-01-18 through 2024-01-21
Thu 16:42 Ontario, Los Angeles (ONT) 2 19:33 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737-900 (739) 2:51 Operates only on 2024-01-25
Fri,Sun 16:42 Ontario, Los Angeles (ONT) 2 19:33 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737 (73J) 2:51 Effective 2024-01-26 through 2024-01-28
Thu 16:42 Ontario, Los Angeles (ONT) 2 19:33 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737-800 (73H) 2:51 Operates only on 2024-02-01
Thu,Fri 16:42 Ontario, Los Angeles (ONT) 2 19:33 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737-900 (739) 2:51 Effective 2024-02-02 through 2024-02-09
Sun 16:42 Ontario, Los Angeles (ONT) 2 19:33 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737 (73J) 2:51 Effective 2024-02-04 through 2024-02-11
Mon 16:42 Ontario, Los Angeles (ONT) 2 19:33 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737 (73J) 2:51 Operates only on 2024-02-12
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Alaska Airlines flights from Ontario, Los Angeles (ONT) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Effective 2024-03-14 through 2024-03-18
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:49, non-stop
Boeing 737-800 (73H)

Effective 2024-03-21 through 2024-03-28
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:49, non-stop
Boeing 737 (73J)

Effective 2024-03-22 through 2024-04-01
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:49, non-stop
Boeing 737-800 (73H)

Effective 2024-04-04 through 2024-04-12
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:49, non-stop
Boeing 737-900 (739)

Effective 2024-04-08 through 2024-04-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:49, non-stop
Boeing 737-800 (73H)

Effective 2024-04-18 through 2024-05-13
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:38, non-stop
Boeing 737 (73J)

Effective 2024-03-17 through 2024-04-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:49, non-stop
Boeing 737 MAX 9 (7M9)

Effective from 2024-05-16
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:49, non-stop
Boeing 737 (73J)

Valid until 2024-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 9 (7M9)

Valid until 2024-01-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 2:50, non-stop
Boeing 737 (73J)

Effective 2024-01-09 through 2024-01-13
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:54, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-01-10 through 2024-01-31
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:54, non-stop
Boeing 737-800 (73H)

Effective 2024-01-11 through 2024-01-19
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:54, non-stop
Boeing 737 (73J)

Effective 2024-01-20 through 2024-01-30
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:54, non-stop
Boeing 737 (73J)

Effective 2024-02-01 through 2024-02-14
Mon
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 2:54, non-stop
Boeing 737-800 (73H)

Effective 2024-02-02 through 2024-02-06
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 2:54, non-stop
Boeing 737 (73J)

Operates only on 2024-02-09
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:54, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-02-10 through 2024-02-13
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:54, non-stop
Boeing 737 (73J)

Effective 2024-02-15 through 2024-02-21
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:50, non-stop
Boeing 737-800 (73H)

Effective 2024-02-19 through 2024-03-04
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 (73J)

Operates only on 2024-02-22
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-02-23 through 2024-03-07
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:50, non-stop
Boeing 737-800 (73H)

Effective 2024-03-08 through 2024-03-15
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 (73J)

Effective 2024-03-09 through 2024-03-14
Mon
-
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 2:50, non-stop
Boeing 737-800 (73H)

Effective 2024-03-16 through 2024-03-21
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 2:50, non-stop
Boeing 737 (73J)

Effective 2024-03-17 through 2024-04-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737-700 (73G)

Effective 2024-03-18 through 2024-03-25
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-03-19 through 2024-03-27
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-800 (73H)

Effective 2024-03-28 through 2024-04-03
Mon
-
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-800 (73H)

Effective 2024-03-29 through 2024-04-05
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 (73J)

Operates only on 2024-03-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-04-06 through 2024-04-15
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 2:50, non-stop
Boeing 737 (73J)

Effective 2024-04-09 through 2024-04-11
Mon
-
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-800 (73H)

Effective 2024-04-16 through 2024-05-15
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:46, non-stop
Boeing 737 (73J)

Effective from 2024-05-16
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:50, non-stop
Boeing 737 (73J)

Effective from 2024-05-16
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:50, non-stop
Boeing 737 (73J)

Valid until 2024-01-03
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Duration: 2:49, non-stop
Boeing 737 (73J)

Effective 2024-01-04 through 2024-01-07
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:49, non-stop
Boeing 737 (73J)

Operates only on 2024-01-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:49, non-stop
Boeing 737 MAX 9 (7M9)

Effective from 2024-05-16
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:49, non-stop
Boeing 737 (73J)

Effective 2024-01-08 through 2024-01-14
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:51, non-stop
Boeing 737 (73J)

Effective 2024-01-11 through 2024-01-12
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:51, non-stop
Boeing 737-900 (739)

Effective 2024-01-15 through 2024-02-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:51, non-stop
Boeing 737-800 (73H)

Effective 2024-01-18 through 2024-01-21
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:51, non-stop
Boeing 737 (73J)

Operates only on 2024-01-25
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:51, non-stop
Boeing 737-900 (739)

Effective 2024-01-26 through 2024-01-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:51, non-stop
Boeing 737 (73J)

Operates only on 2024-02-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:51, non-stop
Boeing 737-800 (73H)

Effective 2024-02-02 through 2024-02-09
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:51, non-stop
Boeing 737-900 (739)

Effective 2024-02-04 through 2024-02-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:51, non-stop
Boeing 737 (73J)

Operates only on 2024-02-12
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:51, non-stop
Boeing 737 (73J)
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  • A domestic route departing from the Ontario, Los Angeles airport (ONT) and arriving at Seattle-Tacoma airport (SEA).
  • 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 2:38 and 2:54.