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

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Wed 07:00 Ontario, Los Angeles (ONT) 2 10:03 Seattle-Tacoma (SEA)
WestJet WS 8434 Non-stop Embraer EMB 175 (E7W) 3:03 Effective 2025-05-07 through 2025-05-21
Codeshare flight, operated by Delta Air Lines.(DL 4042)
Sun 11:15 Ontario, Los Angeles (ONT) 2 14:05 Seattle-Tacoma (SEA)
WestJet WS 8439 Non-stop Embraer EMB 175 (E7W) 2:50 Operates only on 2024-09-29
Codeshare flight, operated by Delta Air Lines.(DL 4070)
Mon 11:49 Ontario, Los Angeles (ONT) 2 14:35 Seattle-Tacoma (SEA)
WestJet WS 8525 Non-stop Embraer EMB 175 (E7W) 2:46 Operates only on 2024-09-02
Codeshare flight, operated by Delta Air Lines.(DL 4070)
Sun 07:05 Ontario, Los Angeles (ONT) 2 09:55 Seattle-Tacoma (SEA)
WestJet WS 8598 Non-stop Embraer EMB 175 (E7W) 2:50 Operates only on 2024-09-08
Codeshare flight, operated by Delta Air Lines.(DL 4042)
Sun 11:49 Ontario, Los Angeles (ONT) 2 14:35 Seattle-Tacoma (SEA)
WestJet WS 8599 Non-stop Embraer EMB 175 (E7W) 2:46 Operates only on 2024-09-08
Codeshare flight, operated by Delta Air Lines.(DL 4070)
Thu 11:15 Ontario, Los Angeles (ONT) 2 14:05 Seattle-Tacoma (SEA)
WestJet WS 8608 Non-stop Embraer EMB 175 (E7W) 2:50 Operates only on 2024-10-03
Codeshare flight, operated by Delta Air Lines.(DL 4070)
Fri 07:00 Ontario, Los Angeles (ONT) 2 10:03 Seattle-Tacoma (SEA)
WestJet WS 8667 Non-stop Embraer EMB 175 (E7W) 3:03 Operates only on 2025-05-02
Codeshare flight, operated by Delta Air Lines.(DL 4042)
Fri 11:29 Ontario, Los Angeles (ONT) 2 14:31 Seattle-Tacoma (SEA)
WestJet WS 8695 Non-stop Embraer EMB 175 (E7W) 3:02 Operates only on 2025-05-02
Codeshare flight, operated by Delta Air Lines.(DL 4070)
Thu 11:15 Ontario, Los Angeles (ONT) 2 14:05 Seattle-Tacoma (SEA)
WestJet WS 8706 Non-stop Embraer EMB 175 (E7W) 2:50 Operates only on 2024-09-26
Codeshare flight, operated by Delta Air Lines.(DL 4070)
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WestJet flights from Ontario, Los Angeles (ONT) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Effective 2025-05-07 through 2025-05-21
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 4042)
Duration: 3:03, non-stop
Embraer EMB 175 (E7W)

Operates only on 2024-09-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4070)
Duration: 2:50, non-stop
Embraer EMB 175 (E7W)

Operates only on 2024-09-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 4070)
Duration: 2:46, non-stop
Embraer EMB 175 (E7W)

Operates only on 2024-09-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4042)
Duration: 2:50, non-stop
Embraer EMB 175 (E7W)

Operates only on 2024-09-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4070)
Duration: 2:46, non-stop
Embraer EMB 175 (E7W)

Operates only on 2024-10-03
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 4070)
Duration: 2:50, non-stop
Embraer EMB 175 (E7W)

Operates only on 2025-05-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 4042)
Duration: 3:03, non-stop
Embraer EMB 175 (E7W)

Operates only on 2025-05-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 4070)
Duration: 3:02, non-stop
Embraer EMB 175 (E7W)

Operates only on 2024-09-26
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 4070)
Duration: 2:50, non-stop
Embraer EMB 175 (E7W)
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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 2:41 and 3:05.