All airlines flying from Ontario, Los Angeles (ONT) to Seattle-Tacoma (SEA).
| FLIGHT SCHEDULE |
|---|
| Direct Codeshare Flights: |
| Mon,Tue,Thu,Sat
07:00
Ontario, Los Angeles (ONT) 2
10:01
Seattle-Tacoma (SEA) WestJet WS 7523 Non-stop Embraer EMB 175 (E7W) 3:01 Effective 2026-05-07 through 2026-05-14 Codeshare flight, operated by Delta Air Lines.(DL 3816) |
| Daily
07:00
Ontario, Los Angeles (ONT) 2
10:01
Seattle-Tacoma (SEA) WestJet WS 7523 Non-stop Embraer EMB 175 (E7W) 3:01 Effective 2026-05-15 through 2026-10-05 Codeshare flight, operated by Delta Air Lines.(DL 3816) |
| Daily
07:00
Ontario, Los Angeles (ONT) 2
10:05
Seattle-Tacoma (SEA) WestJet WS 7523 Non-stop Embraer EMB 175 (E7W) 3:05 Effective 2026-10-06 through 2026-10-26 Codeshare flight, operated by Delta Air Lines.(DL 3816) |
| Mon,Fri-Sun
07:00
Ontario, Los Angeles (ONT) 2
10:05
Seattle-Tacoma (SEA) WestJet WS 7523 Non-stop Embraer EMB 175 (E7W) 3:05 Effective from 2026-10-30 Codeshare flight, operated by Delta Air Lines.(DL 3816) |
| Wed,Fri,Sun
07:00
Ontario, Los Angeles (ONT) 2
10:01
Seattle-Tacoma (SEA) WestJet WS 7819 Non-stop Airbus A220-300 (223) 3:01 Effective 2026-04-26 through 2026-05-06 Codeshare flight, operated by Delta Air Lines.(DL 1071) |
| Wed,Fri,Sun
07:00
Ontario, Los Angeles (ONT) 2
10:01
Seattle-Tacoma (SEA) WestJet WS 7819 Non-stop Embraer EMB 175 (E7W) 3:01 Effective 2026-05-08 through 2026-05-13 Codeshare flight, operated by Delta Air Lines.(DL 3816) |
| Sat
11:42
Ontario, Los Angeles (ONT) 2
14:45
Seattle-Tacoma (SEA) WestJet WS 8396 Non-stop Embraer EMB 175 (E7W) 3:03 Valid until 2026-01-03 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Mon,Fri-Sun
11:55
Ontario, Los Angeles (ONT) 2
14:56
Seattle-Tacoma (SEA) WestJet WS 8396 Non-stop Embraer EMB 175 (E7W) 3:01 Effective 2026-04-26 through 2026-10-05 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Mon,Fri-Sun
11:55
Ontario, Los Angeles (ONT) 2
14:58
Seattle-Tacoma (SEA) WestJet WS 8396 Non-stop Embraer EMB 175 (E7W) 3:03 Effective 2026-10-09 through 2026-10-24 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
- 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 2:40 and 3:07.
