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

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Fri,Sun 14:04 Ontario, Los Angeles (ONT) 2 16:45 Seattle-Tacoma (SEA)
KLM KL 6907 Non-stop Embraer EMB 175 (E7W) 2:41 Effective 2024-09-02 through 2024-09-08
Codeshare flight, operated by Delta Air Lines.(DL 3946)
Sat,Sun 14:10 Ontario, Los Angeles (ONT) 2 16:51 Seattle-Tacoma (SEA)
KLM KL 6907 Non-stop Embraer EMB 175 (E7W) 2:41 Valid until 2024-09-07
Codeshare flight, operated by Delta Air Lines.(DL 3946)
Daily 07:00 Ontario, Los Angeles (ONT) 2 10:03 Seattle-Tacoma (SEA)
KLM KL 6919 Non-stop Embraer EMB 175 (E7W) 3:03 Effective 2025-04-14 through 2025-06-07
Codeshare flight, operated by Delta Air Lines.(DL 4042)
Daily 07:00 Ontario, Los Angeles (ONT) 2 09:49 Seattle-Tacoma (SEA)
KLM KL 6919 Non-stop Embraer EMB 175 (E7W) 2:49 Effective from 2025-06-08
Codeshare flight, operated by Delta Air Lines.(DL 4042)
Daily 07:45 Ontario, Los Angeles (ONT) 2 10:45 Seattle-Tacoma (SEA)
KLM KL 6919 Non-stop Embraer EMB 175 (E7W) 3:00 Effective 2025-03-30 through 2025-04-13
Codeshare flight, operated by Delta Air Lines.(DL 4042)
Daily 06:15 Ontario, Los Angeles (ONT) 2 09:10 Seattle-Tacoma (SEA)
KLM KL 6979 Non-stop Embraer EMB 175 (E7W) 2:55 Effective 2024-11-03 through 2024-11-10
Codeshare flight, operated by Delta Air Lines.(DL 4042)
Daily 06:15 Ontario, Los Angeles (ONT) 2 09:13 Seattle-Tacoma (SEA)
KLM KL 6979 Non-stop Embraer EMB 175 (E7W) 2:58 Effective 2024-11-11 through 2024-12-02
Codeshare flight, operated by Delta Air Lines.(DL 4042)
Daily 07:00 Ontario, Los Angeles (ONT) 2 10:09 Seattle-Tacoma (SEA)
KLM KL 6979 Non-stop Embraer EMB 175 (E7W) 3:09 Effective 2024-12-19 through 2025-01-05
Codeshare flight, operated by Delta Air Lines.(DL 4042)
Daily 07:45 Ontario, Los Angeles (ONT) 2 10:38 Seattle-Tacoma (SEA)
KLM KL 6979 Non-stop Embraer EMB 175 (E7W) 2:53 Effective 2024-12-03 through 2024-12-18
Codeshare flight, operated by Delta Air Lines.(DL 4042)
Mon-Thu,Sun 07:45 Ontario, Los Angeles (ONT) 2 10:45 Seattle-Tacoma (SEA)
KLM KL 6979 Non-stop Embraer EMB 175 (E7W) 3:00 Effective 2025-01-06 through 2025-01-16
Codeshare flight, operated by Delta Air Lines.(DL 4042)
Daily 07:45 Ontario, Los Angeles (ONT) 2 10:45 Seattle-Tacoma (SEA)
KLM KL 6979 Non-stop Embraer EMB 175 (E7W) 3:00 Effective 2025-01-17 through 2025-03-29
Codeshare flight, operated by Delta Air Lines.(DL 4042)
Mon-Wed,Fri,Sun 11:15 Ontario, Los Angeles (ONT) 2 14:12 Seattle-Tacoma (SEA)
KLM KL 6979 Non-stop Embraer EMB 175 (E7W) 2:57 Effective 2024-10-27 through 2024-11-01
Codeshare flight, operated by Delta Air Lines.(DL 4070)
Daily 06:15 Ontario, Los Angeles (ONT) 2 09:10 Seattle-Tacoma (SEA)
KLM KL 6981 Non-stop Embraer EMB 175 (E7W) 2:55 Effective 2024-10-27 through 2024-11-02
Codeshare flight, operated by Delta Air Lines.(DL 4042)
Daily 11:29 Ontario, Los Angeles (ONT) 2 14:25 Seattle-Tacoma (SEA)
KLM KL 6981 Non-stop Embraer EMB 175 (E7W) 2:56 Effective 2025-03-09 through 2025-03-29
Codeshare flight, operated by Delta Air Lines.(DL 4070)
Sat 06:15 Ontario, Los Angeles (ONT) 2 09:10 Seattle-Tacoma (SEA)
KLM KL 7203 Non-stop Embraer EMB 175 (E7W) 2:55 Operates only on 2024-10-26
Codeshare flight, operated by Delta Air Lines.(DL 4042)
Daily 07:05 Ontario, Los Angeles (ONT) 2 09:55 Seattle-Tacoma (SEA)
KLM KL 7203 Non-stop Embraer EMB 175 (E7W) 2:50 Valid until 2024-09-08
Codeshare flight, operated by Delta Air Lines.(DL 4042)
Daily 07:35 Ontario, Los Angeles (ONT) 2 10:26 Seattle-Tacoma (SEA)
KLM KL 7203 Non-stop Embraer EMB 175 (E7W) 2:51 Effective 2024-09-09 through 2024-10-06
Codeshare flight, operated by Delta Air Lines.(DL 4042)
Mon-Fri,Sun 11:15 Ontario, Los Angeles (ONT) 2 14:12 Seattle-Tacoma (SEA)
KLM KL 7203 Non-stop Embraer EMB 175 (E7W) 2:57 Effective 2024-10-07 through 2024-10-25
Codeshare flight, operated by Delta Air Lines.(DL 4070)
Daily 06:15 Ontario, Los Angeles (ONT) 2 09:10 Seattle-Tacoma (SEA)
KLM KL 7569 Non-stop Embraer EMB 175 (E7W) 2:55 Effective 2024-10-07 through 2024-10-25
Codeshare flight, operated by Delta Air Lines.(DL 4042)
Mon-Fri,Sun 11:15 Ontario, Los Angeles (ONT) 2 14:05 Seattle-Tacoma (SEA)
KLM KL 7569 Non-stop Embraer EMB 175 (E7W) 2:50 Effective 2024-09-09 through 2024-10-06
Codeshare flight, operated by Delta Air Lines.(DL 4070)
Mon-Fri,Sun 11:49 Ontario, Los Angeles (ONT) 2 14:35 Seattle-Tacoma (SEA)
KLM KL 7569 Non-stop Embraer EMB 175 (E7W) 2:46 Effective 2024-09-02 through 2024-09-08
Codeshare flight, operated by Delta Air Lines.(DL 4070)
Daily 11:29 Ontario, Los Angeles (ONT) 2 14:25 Seattle-Tacoma (SEA)
KLM KL 7595 Non-stop Embraer EMB 175 (E7W) 2:56 Effective 2025-03-30 through 2025-04-13
Codeshare flight, operated by Delta Air Lines.(DL 4070)
Daily 11:29 Ontario, Los Angeles (ONT) 2 14:31 Seattle-Tacoma (SEA)
KLM KL 7595 Non-stop Embraer EMB 175 (E7W) 3:02 Effective 2025-04-14 through 2025-06-07
Codeshare flight, operated by Delta Air Lines.(DL 4070)
Daily 11:29 Ontario, Los Angeles (ONT) 2 14:19 Seattle-Tacoma (SEA)
KLM KL 7595 Non-stop Embraer EMB 175 (E7W) 2:50 Effective from 2025-06-08
Codeshare flight, operated by Delta Air Lines.(DL 4070)
Daily 14:00 Ontario, Los Angeles (ONT) 2 16:57 Seattle-Tacoma (SEA)
KLM KL 7851 Non-stop Embraer EMB 175 (E7W) 2:57 Effective 2025-04-14 through 2025-06-07
Codeshare flight, operated by Delta Air Lines.(DL 3946)
Daily 14:00 Ontario, Los Angeles (ONT) 2 16:44 Seattle-Tacoma (SEA)
KLM KL 7851 Non-stop Embraer EMB 175 (E7W) 2:44 Effective from 2025-06-08
Codeshare flight, operated by Delta Air Lines.(DL 3946)


KLM flights from Ontario, Los Angeles (ONT) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Effective 2024-09-02 through 2024-09-08
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3946)
Duration: 2:41, non-stop
Embraer EMB 175 (E7W)

Valid until 2024-09-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3946)
Duration: 2:41, non-stop
Embraer EMB 175 (E7W)

Effective 2025-04-14 through 2025-06-07
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)

Effective from 2025-06-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4042)
Duration: 2:49, non-stop
Embraer EMB 175 (E7W)

Effective 2025-03-30 through 2025-04-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4042)
Duration: 3:00, non-stop
Embraer EMB 175 (E7W)

Effective 2024-11-03 through 2024-11-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4042)
Duration: 2:55, non-stop
Embraer EMB 175 (E7W)

Effective 2024-11-11 through 2024-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4042)
Duration: 2:58, non-stop
Embraer EMB 175 (E7W)

Effective 2024-12-19 through 2025-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4042)
Duration: 3:09, non-stop
Embraer EMB 175 (E7W)

Effective 2024-12-03 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4042)
Duration: 2:53, non-stop
Embraer EMB 175 (E7W)

Effective 2025-01-06 through 2025-01-16
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4042)
Duration: 3:00, non-stop
Embraer EMB 175 (E7W)

Effective 2025-01-17 through 2025-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4042)
Duration: 3:00, non-stop
Embraer EMB 175 (E7W)

Effective 2024-10-27 through 2024-11-01
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4070)
Duration: 2:57, non-stop
Embraer EMB 175 (E7W)

Effective 2024-10-27 through 2024-11-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4042)
Duration: 2:55, non-stop
Embraer EMB 175 (E7W)

Effective 2025-03-09 through 2025-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4070)
Duration: 2:56, non-stop
Embraer EMB 175 (E7W)

Operates only on 2024-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 4042)
Duration: 2:55, non-stop
Embraer EMB 175 (E7W)

Valid until 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)

Effective 2024-09-09 through 2024-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4042)
Duration: 2:51, non-stop
Embraer EMB 175 (E7W)

Effective 2024-10-07 through 2024-10-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4070)
Duration: 2:57, non-stop
Embraer EMB 175 (E7W)

Effective 2024-10-07 through 2024-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4042)
Duration: 2:55, non-stop
Embraer EMB 175 (E7W)

Effective 2024-09-09 through 2024-10-06
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)

Effective 2024-09-02 through 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)

Effective 2025-03-30 through 2025-04-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4070)
Duration: 2:56, non-stop
Embraer EMB 175 (E7W)

Effective 2025-04-14 through 2025-06-07
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)

Effective from 2025-06-08
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)

Effective 2025-04-14 through 2025-06-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3946)
Duration: 2:57, non-stop
Embraer EMB 175 (E7W)

Effective from 2025-06-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3946)
Duration: 2:44, non-stop
Embraer EMB 175 (E7W)
  • 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 3:09.