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

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
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 2025-03-19
Thu,Sun 16:16 Ontario, Los Angeles (ONT) 2 18:59 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737 (73J) 2:43 Effective 2024-10-03 through 2024-10-06
Mon,Fri 16:16 Ontario, Los Angeles (ONT) 2 18:59 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737 MAX 9 (7M9) 2:43 Effective 2024-10-04 through 2024-10-18
Thu,Sun 16:16 Ontario, Los Angeles (ONT) 2 18:59 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737-800 (73H) 2:43 Effective 2024-10-10 through 2024-10-17
Sun 16:16 Ontario, Los Angeles (ONT) 2 18:59 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737 (73J) 2:43 Operates only on 2024-10-20
Mon 16:16 Ontario, Los Angeles (ONT) 2 18:59 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737-800 (73H) 2:43 Operates only on 2024-10-21
Thu,Fri 16:16 Ontario, Los Angeles (ONT) 2 18:59 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737 MAX 9 (7M9) 2:43 Effective 2024-10-24 through 2024-10-25
Mon,Thu-Sun 16:28 Ontario, Los Angeles (ONT) 2 19:06 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737-800 (73H) 2:38 Valid until 2024-09-02
Mon,Tue,Thu-Sun 16:28 Ontario, Los Angeles (ONT) 2 19:06 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737-800 (73H) 2:38 Effective 2024-09-03 through 2024-09-15
Wed 16:28 Ontario, Los Angeles (ONT) 2 19:06 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737 (73J) 2:38 Operates only on 2024-09-04
Wed 16:28 Ontario, Los Angeles (ONT) 2 19:06 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737 MAX 9 (7M9) 2:38 Operates only on 2024-09-11
Mon 16:28 Ontario, Los Angeles (ONT) 2 19:06 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737 MAX 8 (7M8) 2:38 Operates only on 2024-09-16
Mon,Tue,Thu-Sun 16:28 Ontario, Los Angeles (ONT) 2 19:06 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737-800 (73H) 2:38 Effective 2024-09-17 through 2024-09-23
Wed 16:28 Ontario, Los Angeles (ONT) 2 19:06 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737 (73J) 2:38 Effective 2024-09-18 through 2024-09-25
Mon,Tue 16:28 Ontario, Los Angeles (ONT) 2 19:06 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737 MAX 8 (7M8) 2:38 Effective 2024-09-24 through 2024-09-30
Thu-Sun 16:28 Ontario, Los Angeles (ONT) 2 19:06 Seattle-Tacoma (SEA)
Alaska Airlines AS 1119 Non-stop Boeing 737-800 (73H) 2:38 Effective 2024-09-26 through 2024-09-29
Thu,Sun 10:00 Ontario, Los Angeles (ONT) 2 12:49 Seattle-Tacoma (SEA)
Alaska Airlines AS 1255 Non-stop Boeing 737-700 (73G) 2:49 Effective 2024-10-27 through 2024-10-31
Mon 10:00 Ontario, Los Angeles (ONT) 2 12:49 Seattle-Tacoma (SEA)
Alaska Airlines AS 1255 Non-stop Boeing 737-800 (73H) 2:49 Effective 2024-10-28 through 2024-11-18
Fri 10:00 Ontario, Los Angeles (ONT) 2 12:49 Seattle-Tacoma (SEA)
Alaska Airlines AS 1255 Non-stop Boeing 737 (73J) 2:49 Operates only on 2024-11-01
Thu,Fri,Sun 10:00 Ontario, Los Angeles (ONT) 2 12:49 Seattle-Tacoma (SEA)
Alaska Airlines AS 1255 Non-stop Boeing 737-700 (73G) 2:49 Effective 2024-11-03 through 2024-11-21
Tue-Fri 10:00 Ontario, Los Angeles (ONT) 2 12:51 Seattle-Tacoma (SEA)
Alaska Airlines AS 1255 Non-stop Boeing 737 MAX 9 (7M9) 2:51 Effective 2024-11-22 through 2024-11-29
Sat 10:00 Ontario, Los Angeles (ONT) 2 12:51 Seattle-Tacoma (SEA)
Alaska Airlines AS 1255 Non-stop Boeing 737 (73J) 2:51 Operates only on 2024-11-23
Mon,Sat 10:00 Ontario, Los Angeles (ONT) 2 12:51 Seattle-Tacoma (SEA)
Alaska Airlines AS 1255 Non-stop Boeing 737-800 (73H) 2:51 Effective 2024-11-25 through 2024-11-30
Mon 10:00 Ontario, Los Angeles (ONT) 2 12:51 Seattle-Tacoma (SEA)
Alaska Airlines AS 1255 Non-stop Boeing 737 MAX 9 (7M9) 2:51 Operates only on 2024-12-02
Thu,Fri,Sun 10:00 Ontario, Los Angeles (ONT) 2 12:53 Seattle-Tacoma (SEA)
Alaska Airlines AS 1255 Non-stop Boeing 737-700 (73G) 2:53 Effective 2024-12-05 through 2024-12-15
Mon 10:00 Ontario, Los Angeles (ONT) 2 12:53 Seattle-Tacoma (SEA)
Alaska Airlines AS 1255 Non-stop Boeing 737 MAX 8 (7M8) 2:53 Operates only on 2024-12-09
Mon 10:00 Ontario, Los Angeles (ONT) 2 12:53 Seattle-Tacoma (SEA)
Alaska Airlines AS 1255 Non-stop Boeing 737-800 (73H) 2:53 Operates only on 2024-12-16
Mon-Fri,Sun 10:00 Ontario, Los Angeles (ONT) 2 12:53 Seattle-Tacoma (SEA)
Alaska Airlines AS 1255 Non-stop Boeing 737 (73J) 2:53 Effective 2024-12-19 through 2025-01-05
Mon,Thu,Fri,Sun 10:09 Ontario, Los Angeles (ONT) 2 12:57 Seattle-Tacoma (SEA)
Alaska Airlines AS 1255 Non-stop Boeing 737-800 (73H) 2:48 Effective 2024-10-03 through 2024-10-07
Thu 10:09 Ontario, Los Angeles (ONT) 2 12:57 Seattle-Tacoma (SEA)
Alaska Airlines AS 1255 Non-stop Boeing 737 MAX 8 (7M8) 2:48 Operates only on 2024-10-10
Mon,Thu,Fri,Sun 10:09 Ontario, Los Angeles (ONT) 2 12:57 Seattle-Tacoma (SEA)
Alaska Airlines AS 1255 Non-stop Boeing 737-800 (73H) 2:48 Effective 2024-10-11 through 2024-10-21
Thu 10:09 Ontario, Los Angeles (ONT) 2 12:57 Seattle-Tacoma (SEA)
Alaska Airlines AS 1255 Non-stop Boeing 737 MAX 8 (7M8) 2:48 Operates only on 2024-10-24
Fri 10:09 Ontario, Los Angeles (ONT) 2 12:57 Seattle-Tacoma (SEA)
Alaska Airlines AS 1255 Non-stop Boeing 737-800 (73H) 2:48 Operates only on 2024-10-25
Daily 10:10 Ontario, Los Angeles (ONT) 2 12:55 Seattle-Tacoma (SEA)
Alaska Airlines AS 1255 Non-stop Boeing 737-800 (73H) 2:45 Valid until 2024-09-30
Tue,Wed 11:29 Ontario, Los Angeles (ONT) 2 14:18 Seattle-Tacoma (SEA)
Alaska Airlines AS 1255 Non-stop Boeing 737 MAX 9 (7M9) 2:49 Effective 2024-10-29 through 2024-10-30
Wed,Sat 11:29 Ontario, Los Angeles (ONT) 2 14:18 Seattle-Tacoma (SEA)
Alaska Airlines AS 1255 Non-stop Boeing 737-800 (73H) 2:49 Effective 2024-11-02 through 2024-11-09
Tue 11:29 Ontario, Los Angeles (ONT) 2 14:18 Seattle-Tacoma (SEA)
Alaska Airlines AS 1255 Non-stop Boeing 737 (73J) 2:49 Operates only on 2024-11-05
Tue,Wed,Sat 11:29 Ontario, Los Angeles (ONT) 2 14:18 Seattle-Tacoma (SEA)
Alaska Airlines AS 1255 Non-stop Boeing 737-800 (73H) 2:49 Effective 2024-11-12 through 2024-11-20
Daily 12:00 Ontario, Los Angeles (ONT) 2 14:52 Seattle-Tacoma (SEA)
Alaska Airlines AS 1255 Non-stop Boeing 737-700 (73G) 2:52 Effective 2025-01-06 through 2025-03-18
Tue,Sat 18:10 Ontario, Los Angeles (ONT) 2 21:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 1399 Non-stop Boeing 737 MAX 9 (7M9) 2:50 Effective 2024-12-03 through 2024-12-10
Wed 18:10 Ontario, Los Angeles (ONT) 2 21:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 1399 Non-stop Boeing 737-900 (739) 2:50 Effective 2024-12-04 through 2024-12-11
Thu 18:10 Ontario, Los Angeles (ONT) 2 21:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 1399 Non-stop Boeing 737-700 (73G) 2:50 Effective 2024-12-05 through 2024-12-12
Mon,Sat,Sun 18:10 Ontario, Los Angeles (ONT) 2 21:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 1399 Non-stop Boeing 737-800 (73H) 2:50 Effective 2024-12-08 through 2024-12-16
Tue 18:10 Ontario, Los Angeles (ONT) 2 21:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 1399 Non-stop Boeing 737 MAX 9 (7M9) 2:50 Operates only on 2024-12-17
Wed 18:10 Ontario, Los Angeles (ONT) 2 21:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 1399 Non-stop Boeing 737-800 (73H) 2:50 Operates only on 2024-12-18
Mon 18:30 Ontario, Los Angeles (ONT) 2 21:15 Seattle-Tacoma (SEA)
Alaska Airlines AS 1399 Non-stop Boeing 737 (73J) 2:45 Operates only on 2024-10-28
Mon,Thu-Sat 18:30 Ontario, Los Angeles (ONT) 2 21:15 Seattle-Tacoma (SEA)
Alaska Airlines AS 1399 Non-stop Boeing 737 MAX 9 (7M9) 2:45 Effective 2024-10-31 through 2024-11-21
Daily 18:30 Ontario, Los Angeles (ONT) 2 21:22 Seattle-Tacoma (SEA)
Alaska Airlines AS 1399 Non-stop Boeing 737 (73J) 2:52 Effective 2025-01-06 through 2025-03-18
Sun 19:27 Ontario, Los Angeles (ONT) 2 22:12 Seattle-Tacoma (SEA)
Alaska Airlines AS 1399 Non-stop Boeing 737-800 (73H) 2:45 Effective 2024-10-27 through 2024-11-17
Fri 18:10 Ontario, Los Angeles (ONT) 2 21:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 2143 Non-stop Embraer EMB 175 (E75) 2:50 Operates only on 2024-12-13
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All airlines flying from Ontario, Los Angeles (ONT) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Effective from 2025-03-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:49, non-stop
Boeing 737 (73J)

Effective 2024-10-03 through 2024-10-06
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 2:43, non-stop
Boeing 737 (73J)

Effective 2024-10-04 through 2024-10-18
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:43, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-10-10 through 2024-10-17
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 2:43, non-stop
Boeing 737-800 (73H)

Operates only on 2024-10-20
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:43, non-stop
Boeing 737 (73J)

Operates only on 2024-10-21
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:43, non-stop
Boeing 737-800 (73H)

Effective 2024-10-24 through 2024-10-25
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:43, non-stop
Boeing 737 MAX 9 (7M9)

Valid until 2024-09-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:38, non-stop
Boeing 737-800 (73H)

Effective 2024-09-03 through 2024-09-15
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:38, non-stop
Boeing 737-800 (73H)

Operates only on 2024-09-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:38, non-stop
Boeing 737 (73J)

Operates only on 2024-09-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:38, non-stop
Boeing 737 MAX 9 (7M9)

Operates only on 2024-09-16
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:38, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2024-09-17 through 2024-09-23
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:38, non-stop
Boeing 737-800 (73H)

Effective 2024-09-18 through 2024-09-25
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:38, non-stop
Boeing 737 (73J)

Effective 2024-09-24 through 2024-09-30
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:38, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2024-09-26 through 2024-09-29
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:38, non-stop
Boeing 737-800 (73H)

Effective 2024-10-27 through 2024-10-31
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 2:49, non-stop
Boeing 737-700 (73G)

Effective 2024-10-28 through 2024-11-18
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:49, non-stop
Boeing 737-800 (73H)

Operates only on 2024-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:49, non-stop
Boeing 737 (73J)

Effective 2024-11-03 through 2024-11-21
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:49, non-stop
Boeing 737-700 (73G)

Effective 2024-11-22 through 2024-11-29
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:51, non-stop
Boeing 737 MAX 9 (7M9)

Operates only on 2024-11-23
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:51, non-stop
Boeing 737 (73J)

Effective 2024-11-25 through 2024-11-30
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:51, non-stop
Boeing 737-800 (73H)

Operates only on 2024-12-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:51, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-12-05 through 2024-12-15
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:53, non-stop
Boeing 737-700 (73G)

Operates only on 2024-12-09
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:53, non-stop
Boeing 737 MAX 8 (7M8)

Operates only on 2024-12-16
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:53, non-stop
Boeing 737-800 (73H)

Effective 2024-12-19 through 2025-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:53, non-stop
Boeing 737 (73J)

Effective 2024-10-03 through 2024-10-07
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:48, non-stop
Boeing 737-800 (73H)

Operates only on 2024-10-10
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:48, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2024-10-11 through 2024-10-21
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:48, non-stop
Boeing 737-800 (73H)

Operates only on 2024-10-24
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:48, non-stop
Boeing 737 MAX 8 (7M8)

Operates only on 2024-10-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:48, non-stop
Boeing 737-800 (73H)

Valid until 2024-09-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:45, non-stop
Boeing 737-800 (73H)

Effective 2024-10-29 through 2024-10-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:49, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-11-02 through 2024-11-09
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:49, non-stop
Boeing 737-800 (73H)

Operates only on 2024-11-05
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:49, non-stop
Boeing 737 (73J)

Effective 2024-11-12 through 2024-11-20
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:49, non-stop
Boeing 737-800 (73H)

Effective 2025-01-06 through 2025-03-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:52, non-stop
Boeing 737-700 (73G)

Effective 2024-12-03 through 2024-12-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-12-04 through 2024-12-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-900 (739)

Effective 2024-12-05 through 2024-12-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-700 (73G)

Effective 2024-12-08 through 2024-12-16
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 2:50, non-stop
Boeing 737-800 (73H)

Operates only on 2024-12-17
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 9 (7M9)

Operates only on 2024-12-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-800 (73H)

Operates only on 2024-10-28
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737 (73J)

Effective 2024-10-31 through 2024-11-21
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 2:45, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2025-01-06 through 2025-03-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:52, non-stop
Boeing 737 (73J)

Effective 2024-10-27 through 2024-11-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737-800 (73H)

Operates only on 2024-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:50, non-stop
Embraer EMB 175 (E75)
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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 2:36 and 3:09.