All airlines flying from Ontario, Los Angeles (ONT) to Seattle-Tacoma (SEA).
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| FLIGHT SCHEDULE |
|---|
| Direct Codeshare Flights: |
| Daily
18:55
Ontario, Los Angeles (ONT) 2
21:44
Seattle-Tacoma (SEA) Qatar Airways QR 2181 Non-stop Boeing 737 (73J) 2:49 Effective from 2025-11-01 Codeshare flight, operated by Alaska Airlines.(AS 594) |
| Daily
06:00
Ontario, Los Angeles (ONT) 2
08:50
Seattle-Tacoma (SEA) Qatar Airways QR 2182 Non-stop Boeing 737 (73J) 2:50 Effective from 2025-10-26 Codeshare flight, operated by Alaska Airlines.(AS 607) |
| Daily
11:30
Ontario, Los Angeles (ONT) 2
14:20
Seattle-Tacoma (SEA) Qatar Airways QR 2186 Non-stop Boeing 737 (73J) 2:50 Effective from 2025-10-26 Codeshare flight, operated by Alaska Airlines.(AS 654) |
| Mon
06:00
Ontario, Los Angeles (ONT) 2
08:46
Seattle-Tacoma (SEA) Qatar Airways QR 2987 Non-stop Boeing 737-700 (73G) 2:46 Valid until 2025-05-12 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Tue
06:00
Ontario, Los Angeles (ONT) 2
08:46
Seattle-Tacoma (SEA) Qatar Airways QR 2987 Non-stop Boeing 737 MAX 8 (7M8) 2:46 Valid until 2025-05-13 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Wed,Sat,Sun
06:00
Ontario, Los Angeles (ONT) 2
08:46
Seattle-Tacoma (SEA) Qatar Airways QR 2987 Non-stop Boeing 737 (73J) 2:46 Valid until 2025-05-10 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Thu,Fri
06:00
Ontario, Los Angeles (ONT) 2
08:46
Seattle-Tacoma (SEA) Qatar Airways QR 2987 Non-stop Boeing 737-800 (73H) 2:46 Valid until 2025-05-09 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Sun
06:00
Ontario, Los Angeles (ONT) 2
08:46
Seattle-Tacoma (SEA) Qatar Airways QR 2987 Non-stop Boeing 737-800 (73H) 2:46 Operates only on 2025-05-11 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Wed
06:00
Ontario, Los Angeles (ONT) 2
08:46
Seattle-Tacoma (SEA) Qatar Airways QR 2987 Non-stop Boeing 737 (73J) 2:46 Operates only on 2025-05-14 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Mon,Thu
06:00
Ontario, Los Angeles (ONT) 2
08:42
Seattle-Tacoma (SEA) Qatar Airways QR 2987 Non-stop Boeing 737-800 (73H) 2:42 Effective 2025-05-15 through 2025-05-19 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Tue-Fri
06:00
Ontario, Los Angeles (ONT) 2
08:42
Seattle-Tacoma (SEA) Qatar Airways QR 2987 Non-stop Boeing 737 MAX 9 (7M9) 2:42 Effective 2025-05-16 through 2025-05-22 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Sat,Sun
06:00
Ontario, Los Angeles (ONT) 2
08:42
Seattle-Tacoma (SEA) Qatar Airways QR 2987 Non-stop Boeing 737 (73J) 2:42 Effective 2025-05-17 through 2025-05-25 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Thu,Fri
06:00
Ontario, Los Angeles (ONT) 2
08:42
Seattle-Tacoma (SEA) Qatar Airways QR 2987 Non-stop Boeing 737-800 (73H) 2:42 Effective 2025-05-23 through 2025-05-29 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Mon-Wed,Sat
06:00
Ontario, Los Angeles (ONT) 2
08:42
Seattle-Tacoma (SEA) Qatar Airways QR 2987 Non-stop Boeing 737 MAX 9 (7M9) 2:42 Effective 2025-05-26 through 2025-06-04 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Fri,Sun
06:00
Ontario, Los Angeles (ONT) 2
08:42
Seattle-Tacoma (SEA) Qatar Airways QR 2987 Non-stop Boeing 737 (73J) 2:42 Effective 2025-05-30 through 2025-06-01 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Mon,Thu
06:00
Ontario, Los Angeles (ONT) 2
08:42
Seattle-Tacoma (SEA) Qatar Airways QR 2987 Non-stop Boeing 737-800 (73H) 2:42 Effective 2025-06-05 through 2025-06-09 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Tue-Sat
06:00
Ontario, Los Angeles (ONT) 2
08:42
Seattle-Tacoma (SEA) Qatar Airways QR 2987 Non-stop Boeing 737 MAX 9 (7M9) 2:42 Effective 2025-06-06 through 2025-06-14 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Sun
06:00
Ontario, Los Angeles (ONT) 2
08:42
Seattle-Tacoma (SEA) Qatar Airways QR 2987 Non-stop Boeing 737 (73J) 2:42 Operates only on 2025-06-08 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Daily
06:00
Ontario, Los Angeles (ONT) 2
08:42
Seattle-Tacoma (SEA) Qatar Airways QR 2987 Non-stop Boeing 737 MAX 9 (7M9) 2:42 Effective 2025-06-15 through 2025-06-29 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Mon
06:00
Ontario, Los Angeles (ONT) 2
08:42
Seattle-Tacoma (SEA) Qatar Airways QR 2987 Non-stop Boeing 737 (73J) 2:42 Operates only on 2025-06-30 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Daily
06:00
Ontario, Los Angeles (ONT) 2
08:42
Seattle-Tacoma (SEA) Qatar Airways QR 2987 Non-stop Boeing 737 MAX 9 (7M9) 2:42 Effective 2025-07-01 through 2025-08-08 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Sat
06:00
Ontario, Los Angeles (ONT) 2
08:42
Seattle-Tacoma (SEA) Qatar Airways QR 2987 Non-stop Boeing 737-800 (73H) 2:42 Operates only on 2025-08-09 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Daily
06:00
Ontario, Los Angeles (ONT) 2
08:42
Seattle-Tacoma (SEA) Qatar Airways QR 2987 Non-stop Boeing 737 MAX 9 (7M9) 2:42 Effective 2025-08-10 through 2025-08-18 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Tue
06:00
Ontario, Los Angeles (ONT) 2
08:42
Seattle-Tacoma (SEA) Qatar Airways QR 2987 Non-stop Boeing 737-800 (73H) 2:42 Operates only on 2025-08-19 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Daily
06:00
Ontario, Los Angeles (ONT) 2
08:48
Seattle-Tacoma (SEA) Qatar Airways QR 2987 Non-stop Boeing 737 (73J) 2:48 Effective 2025-08-20 through 2025-10-03 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Daily
06:00
Ontario, Los Angeles (ONT) 2
08:50
Seattle-Tacoma (SEA) Qatar Airways QR 2987 Non-stop Boeing 737 (73J) 2:50 Effective 2025-10-04 through 2025-10-25 Codeshare flight, operated by Alaska Airlines.(AS 1091) |
| Daily
05:45
Ontario, Los Angeles (ONT) 2
08:42
Seattle-Tacoma (SEA) Korean Air KE 3098 Non-stop Embraer EMB 175 (E7W) 2:57 Valid until 2025-05-06 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Daily
06:00
Ontario, Los Angeles (ONT) 2
08:55
Seattle-Tacoma (SEA) Korean Air KE 3098 Non-stop Embraer EMB 175 (E7W) 2:55 Effective 2025-05-07 through 2025-06-07 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Daily
06:30
Ontario, Los Angeles (ONT) 2
09:28
Seattle-Tacoma (SEA) Korean Air KE 3098 Non-stop Embraer EMB 175 (E7W) 2:58 Effective 2025-06-08 through 2025-07-06 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 2025-07-07 through 2025-09-07 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Daily
07:00
Ontario, Los Angeles (ONT) 2
10:02
Seattle-Tacoma (SEA) Korean Air KE 3098 Non-stop Embraer EMB 175 (E7W) 3:02 Effective 2025-09-08 through 2026-01-05 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Daily
07:00
Ontario, Los Angeles (ONT) 2
10:04
Seattle-Tacoma (SEA) Korean Air KE 3098 Non-stop Embraer EMB 175 (E7W) 3:04 Effective from 2026-01-06 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Mon,Wed,Fri-Sun
11:05
Ontario, Los Angeles (ONT) 2
14:02
Seattle-Tacoma (SEA) SAS SK 3675 Non-stop Embraer EMB 175 (E7W) 2:57 Effective 2025-06-08 through 2025-07-06 Codeshare flight, operated by Delta Air Lines.(DL 3593) |
| Mon,Wed,Fri-Sun
11:29
Ontario, Los Angeles (ONT) 2
14:19
Seattle-Tacoma (SEA) SAS SK 3675 Non-stop Embraer EMB 175 (E7W) 2:50 Effective 2025-07-07 through 2025-08-10 Codeshare flight, operated by Delta Air Lines.(DL 3593) |
| Mon,Wed,Fri-Sun
11:29
Ontario, Los Angeles (ONT) 2
14:13
Seattle-Tacoma (SEA) SAS SK 3675 Non-stop Embraer EMB 175 (E7W) 2:44 Effective 2025-08-11 through 2025-09-07 Codeshare flight, operated by Delta Air Lines.(DL 3589) |
| Mon,Wed,Fri,Sun
11:29
Ontario, Los Angeles (ONT) 2
14:28
Seattle-Tacoma (SEA) SAS SK 3675 Non-stop Embraer EMB 175 (E7W) 2:59 Effective 2025-09-08 through 2025-09-14 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Wed,Fri,Sun
11:29
Ontario, Los Angeles (ONT) 2
14:28
Seattle-Tacoma (SEA) SAS SK 3675 Non-stop Embraer EMB 175 (E7W) 2:59 Effective 2025-09-17 through 2025-10-24 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Wed,Fri-Sun
11:44
Ontario, Los Angeles (ONT) 2
14:45
Seattle-Tacoma (SEA) SAS SK 3675 Non-stop Embraer EMB 175 (E7W) 3:01 Effective 2025-05-21 through 2025-06-01 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Mon,Wed,Fri,Sat
11:44
Ontario, Los Angeles (ONT) 2
14:45
Seattle-Tacoma (SEA) SAS SK 3675 Non-stop Embraer EMB 175 (E7W) 3:01 Effective 2025-06-02 through 2025-06-07 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Mon
11:46
Ontario, Los Angeles (ONT) 2
14:45
Seattle-Tacoma (SEA) SAS SK 3675 Non-stop Embraer EMB 175 (E7W) 2:59 Operates only on 2025-05-26 Codeshare flight, operated by Delta Air Lines.(DL 4070) |
| Daily
05:45
Ontario, Los Angeles (ONT) 2
08:42
Seattle-Tacoma (SEA) Virgin Atlantic VS 3853 Non-stop Embraer EMB 175 (E7W) 2:57 Valid until 2025-05-06 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Daily
06:00
Ontario, Los Angeles (ONT) 2
08:55
Seattle-Tacoma (SEA) Virgin Atlantic VS 3853 Non-stop Embraer EMB 175 (E7W) 2:55 Effective 2025-05-07 through 2025-06-07 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Daily
06:30
Ontario, Los Angeles (ONT) 2
09:28
Seattle-Tacoma (SEA) Virgin Atlantic VS 3853 Non-stop Embraer EMB 175 (E7W) 2:58 Effective 2025-06-08 through 2025-07-06 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Daily
07:00
Ontario, Los Angeles (ONT) 2
09:49
Seattle-Tacoma (SEA) Virgin Atlantic VS 3853 Non-stop Embraer EMB 175 (E7W) 2:49 Effective 2025-07-07 through 2025-09-07 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Daily
07:00
Ontario, Los Angeles (ONT) 2
10:02
Seattle-Tacoma (SEA) Virgin Atlantic VS 3853 Non-stop Embraer EMB 175 (E7W) 3:02 Effective 2025-10-26 through 2026-01-05 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Daily
07:00
Ontario, Los Angeles (ONT) 2
10:04
Seattle-Tacoma (SEA) Virgin Atlantic VS 3853 Non-stop Embraer EMB 175 (E7W) 3:04 Effective from 2026-01-06 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Mon,Wed,Fri-Sun
06:00
Ontario, Los Angeles (ONT) 2
08:55
Seattle-Tacoma (SEA) SAS SK 3875 Non-stop Embraer EMB 175 (E7W) 2:55 Effective 2025-05-21 through 2025-06-07 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Mon,Wed,Fri-Sun
06:30
Ontario, Los Angeles (ONT) 2
09:28
Seattle-Tacoma (SEA) SAS SK 3875 Non-stop Embraer EMB 175 (E7W) 2:58 Effective 2025-06-08 through 2025-07-06 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Mon,Wed,Fri-Sun
07:00
Ontario, Los Angeles (ONT) 2
09:49
Seattle-Tacoma (SEA) SAS SK 3875 Non-stop Embraer EMB 175 (E7W) 2:49 Effective 2025-07-07 through 2025-09-07 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
| Mon,Wed,Fri,Sun
07:00
Ontario, Los Angeles (ONT) 2
10:02
Seattle-Tacoma (SEA) SAS SK 3875 Non-stop Embraer EMB 175 (E7W) 3:02 Effective 2025-09-08 through 2025-09-14 Codeshare flight, operated by Delta Air Lines.(DL 4042) |
Ad flat here 8924483383 I FlightInfo Lower
Parallax here ONT-SEA
- 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 3:04.
