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

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 06:15 Ontario, Los Angeles (ONT) 2 09:10 Seattle-Tacoma (SEA)
Korean Air KE 3098 Non-stop Embraer EMB 175 (E7W) 2:55 Effective 2024-10-07 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)
Korean Air KE 3098 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)
Korean Air KE 3098 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 07:00 Ontario, Los Angeles (ONT) 2 10:03 Seattle-Tacoma (SEA)
Korean Air KE 3098 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)
Korean Air KE 3098 Non-stop Embraer EMB 175 (E7W) 2:49 Effective from 2025-06-08
Codeshare flight, operated by Delta Air Lines.(DL 4042)
Daily 07:05 Ontario, Los Angeles (ONT) 2 09:55 Seattle-Tacoma (SEA)
Korean Air KE 3098 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)
Korean Air KE 3098 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)
Daily 07:45 Ontario, Los Angeles (ONT) 2 10:45 Seattle-Tacoma (SEA)
Korean Air KE 3098 Non-stop Embraer EMB 175 (E7W) 3:00 Effective 2025-03-09 through 2025-04-13
Codeshare flight, operated by Delta Air Lines.(DL 4042)


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

Effective 2024-10-07 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 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)

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 2025-03-09 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)
  • 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 2:49 and 3:09.