All airlines flying from Seattle-Tacoma (SEA) to Ontario, Los Angeles (ONT).
| FLIGHT SCHEDULE |
|---|
| Non-Direct Flights: |
| Sun
08:10
Seattle-Tacoma (SEA)
12:15
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 2084 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2026-03-08 through 2026-04-05 |
| Sun
13:25
Seattle-Tacoma (SEA)
17:50
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3521 1-stop Boeing 737 MAX 8 (7M8) 4:25 Effective 2026-04-12 through 2026-05-17 |
| Sun
13:25
Seattle-Tacoma (SEA)
17:50
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3521 1-stop Boeing 737 MAX 8 (7M8) 4:25 Operates only on 2026-05-31 |
| Sun
19:35
Seattle-Tacoma (SEA)
23:50
Ontario, Los Angeles (ONT) 4 Southwest Airlines WN 3929 1-stop Boeing 737-800 (73H) 4:15 Effective 2026-06-07 through 2026-08-02 |
| Direct Codeshare Flights: |
| Daily
19:55
Seattle-Tacoma (SEA)
22:39
Ontario, Los Angeles (ONT) 2 Qatar Airways QR 2043 Non-stop Boeing 737 (73J) 2:44 Effective from 2026-08-19 Codeshare flight, operated by Alaska Airlines.(AS 378) |
| Tue,Fri,Sun
11:06
Seattle-Tacoma (SEA)
13:42
Ontario, Los Angeles (ONT) Volaris Y4 2574 Non-stop Airbus A320 (320) 2:36 Valid until 2026-01-04 Codeshare flight, operated by Frontier Airlines.(F9) |
| Mon
11:06
Seattle-Tacoma (SEA)
13:42
Ontario, Los Angeles (ONT) Volaris Y4 2574 Non-stop Airbus A321 (321) 2:36 Valid until 2026-01-05 Codeshare flight, operated by Frontier Airlines.(F9) |
| Sat
12:16
Seattle-Tacoma (SEA)
14:55
Ontario, Los Angeles (ONT) Volaris Y4 2574 Non-stop Airbus A320 (320) 2:39 Valid until 2026-01-03 Codeshare flight, operated by Frontier Airlines.(F9) |
| Thu
18:48
Seattle-Tacoma (SEA)
21:23
Ontario, Los Angeles (ONT) Volaris Y4 2574 Non-stop Airbus A320 (320) 2:35 Operates only on 2026-01-08 Codeshare flight, operated by Frontier Airlines.(F9) |
| Sun
18:48
Seattle-Tacoma (SEA)
21:23
Ontario, Los Angeles (ONT) Volaris Y4 2574 Non-stop Airbus A321 (321) 2:35 Operates only on 2026-01-11 Codeshare flight, operated by Frontier Airlines.(F9) |
| Daily
11:15
Seattle-Tacoma (SEA)
13:56
Ontario, Los Angeles (ONT) 2 Korean Air KE 3070 Non-stop Embraer EMB 175 (E7W) 2:41 Effective 2026-01-05 through 2026-02-11 Codeshare flight, operated by Delta Air Lines.(DL 4031) |
| Daily
11:15
Seattle-Tacoma (SEA)
13:54
Ontario, Los Angeles (ONT) 2 Korean Air KE 3070 Non-stop Embraer EMB 175 (E7W) 2:39 Effective 2026-02-12 through 2026-03-07 Codeshare flight, operated by Delta Air Lines.(DL 4031) |
| Daily
14:30
Seattle-Tacoma (SEA)
17:08
Ontario, Los Angeles (ONT) 2 Korean Air KE 3070 Non-stop Embraer EMB 175 (E7W) 2:38 Valid until 2026-01-04 Codeshare flight, operated by Delta Air Lines.(DL 3834) |
| Daily
14:30
Seattle-Tacoma (SEA)
17:12
Ontario, Los Angeles (ONT) 2 Korean Air KE 3070 Non-stop Embraer EMB 175 (E7W) 2:42 Effective 2026-03-08 through 2026-03-14 Codeshare flight, operated by Delta Air Lines.(DL 4031) |
| Daily
14:30
Seattle-Tacoma (SEA)
17:13
Ontario, Los Angeles (ONT) 2 Korean Air KE 3070 Non-stop Embraer EMB 175 (E7W) 2:43 Effective 2026-03-15 through 2026-04-12 Codeshare flight, operated by Delta Air Lines.(DL 4031) |
| Daily
14:35
Seattle-Tacoma (SEA)
17:16
Ontario, Los Angeles (ONT) 2 Korean Air KE 3070 Non-stop Embraer EMB 175 (E7W) 2:41 Effective 2026-04-13 through 2026-10-05 Codeshare flight, operated by Delta Air Lines.(DL 4031) |
| Daily
14:35
Seattle-Tacoma (SEA)
17:17
Ontario, Los Angeles (ONT) 2 Korean Air KE 3070 Non-stop Embraer EMB 175 (E7W) 2:42 Effective from 2026-10-06 Codeshare flight, operated by Delta Air Lines.(DL 4031) |
| Daily
19:50
Seattle-Tacoma (SEA)
22:33
Ontario, Los Angeles (ONT) 2 Korean Air KE 3106 Non-stop Embraer EMB 175 (E7W) 2:43 Effective 2026-03-08 through 2026-03-14 Codeshare flight, operated by Delta Air Lines.(DL 4027) |
| Daily
19:50
Seattle-Tacoma (SEA)
22:34
Ontario, Los Angeles (ONT) 2 Korean Air KE 3106 Non-stop Embraer EMB 175 (E7W) 2:44 Effective 2026-03-15 through 2026-03-28 Codeshare flight, operated by Delta Air Lines.(DL 4027) |
| Daily
19:55
Seattle-Tacoma (SEA)
22:37
Ontario, Los Angeles (ONT) 2 Korean Air KE 3106 Non-stop Embraer EMB 175 (E7W) 2:42 Effective 2026-02-12 through 2026-03-07 Codeshare flight, operated by Delta Air Lines.(DL 4027) |
| Daily
19:55
Seattle-Tacoma (SEA)
22:40
Ontario, Los Angeles (ONT) 2 Korean Air KE 3106 Non-stop Embraer EMB 175 (E7W) 2:45 Effective 2026-07-01 through 2026-09-30 Codeshare flight, operated by Delta Air Lines.(DL 3884) |
| Daily
19:55
Seattle-Tacoma (SEA)
22:43
Ontario, Los Angeles (ONT) 2 Korean Air KE 3106 Non-stop Embraer EMB 175 (E7W) 2:48 Effective from 2026-10-25 Codeshare flight, operated by Delta Air Lines.(DL 3987) |
| Daily
20:00
Seattle-Tacoma (SEA)
22:44
Ontario, Los Angeles (ONT) 2 Korean Air KE 3106 Non-stop Embraer EMB 175 (E7W) 2:44 Effective 2026-02-01 through 2026-02-11 Codeshare flight, operated by Delta Air Lines.(DL 4027) |
| Daily
20:07
Seattle-Tacoma (SEA)
22:51
Ontario, Los Angeles (ONT) 2 Korean Air KE 3106 Non-stop Embraer EMB 175 (E7W) 2:44 Effective 2026-01-05 through 2026-01-31 Codeshare flight, operated by Delta Air Lines.(DL 4027) |
| Tue,Fri-Sun
19:55
Seattle-Tacoma (SEA)
22:40
Ontario, Los Angeles (ONT) 2 SAS SK 3259 Non-stop Embraer EMB 175 (E7W) 2:45 Effective 2026-05-22 through 2026-10-04 Codeshare flight, operated by Delta Air Lines.(DL 3884) |
| Tue,Fri-Sun
19:55
Seattle-Tacoma (SEA)
22:43
Ontario, Los Angeles (ONT) 2 SAS SK 3259 Non-stop Embraer EMB 175 (E7W) 2:48 Effective 2026-10-06 through 2026-10-24 Codeshare flight, operated by Delta Air Lines.(DL 3987) |
| Tue,Fri-Sun
19:55
Seattle-Tacoma (SEA)
22:40
Ontario, Los Angeles (ONT) 2 SAS SK 3259 Non-stop Embraer EMB 175 (E7W) 2:45 Effective from 2026-10-25 Codeshare flight, operated by Delta Air Lines.(DL 3884) |
| Daily
20:15
Seattle-Tacoma (SEA)
22:46
Ontario, Los Angeles (ONT) 2 Qatar Airways QR 3320 Non-stop Boeing 737 (73J) 2:31 Effective 2026-05-13 through 2026-06-09 Codeshare flight, operated by Alaska Airlines.(AS 469) |
| Daily
15:53
Seattle-Tacoma (SEA)
18:25
Ontario, Los Angeles (ONT) 2 Qatar Airways QR 3321 Non-stop Boeing 737 (73J) 2:32 Effective 2026-05-13 through 2026-06-09 Codeshare flight, operated by Alaska Airlines.(AS 598) |
| Wed
20:05
Seattle-Tacoma (SEA)
22:37
Ontario, Los Angeles (ONT) 2 Qatar Airways QR 3331 Non-stop Boeing 737 (73J) 2:32 Operates only on 2026-03-18 Codeshare flight, operated by Alaska Airlines.(AS 489) |
| Daily
20:05
Seattle-Tacoma (SEA)
22:38
Ontario, Los Angeles (ONT) 2 Qatar Airways QR 3331 Non-stop Boeing 737 (73J) 2:33 Effective 2026-03-19 through 2026-05-12 Codeshare flight, operated by Alaska Airlines.(AS 489) |
| Mon,Thu,Fri,Sun
21:20
Seattle-Tacoma (SEA)
23:56
Ontario, Los Angeles (ONT) 2 Qatar Airways QR 3331 Non-stop Boeing 737 (73J) 2:36 Effective 2026-01-08 through 2026-01-26 Codeshare flight, operated by Alaska Airlines.(AS 489) |
| Thu
21:20
Seattle-Tacoma (SEA)
23:56
Ontario, Los Angeles (ONT) 2 Qatar Airways QR 3331 Non-stop Boeing 737 MAX 9 (7M9) 2:36 Operates only on 2026-01-29 Codeshare flight, operated by Alaska Airlines.(AS 489) |
| Mon,Thu,Fri,Sun
21:20
Seattle-Tacoma (SEA)
23:56
Ontario, Los Angeles (ONT) 2 Qatar Airways QR 3331 Non-stop Boeing 737 (73J) 2:36 Effective 2026-01-30 through 2026-02-08 Codeshare flight, operated by Alaska Airlines.(AS 489) |
| Mon
21:20
Seattle-Tacoma (SEA)
23:56
Ontario, Los Angeles (ONT) 2 Qatar Airways QR 3331 Non-stop Boeing 737-800 (73H) 2:36 Operates only on 2026-02-09 Codeshare flight, operated by Alaska Airlines.(AS 489) |
| Mon,Thu
21:35
Seattle-Tacoma (SEA)
00:14
Ontario, Los Angeles (ONT) 2 Qatar Airways QR 3331 Non-stop Boeing 737 MAX 9 (7M9) 2:39 Valid until 2026-01-01 Codeshare flight, operated by Alaska Airlines.(AS 489) The flight arrives 1 day after departure. |
| Mon-Wed,Fri,Sun
21:35
Seattle-Tacoma (SEA)
00:14
Ontario, Los Angeles (ONT) 2 Qatar Airways QR 3331 Non-stop Boeing 737 (73J) 2:39 Valid until 2026-01-06 Codeshare flight, operated by Alaska Airlines.(AS 489) The flight arrives 1 day after departure. |
| Sat
21:35
Seattle-Tacoma (SEA)
00:14
Ontario, Los Angeles (ONT) 2 Qatar Airways QR 3331 Non-stop Boeing 737-800 (73H) 2:39 Operates only on 2026-01-03 Codeshare flight, operated by Alaska Airlines.(AS 489) The flight arrives 1 day after departure. |
| Fri
15:44
Seattle-Tacoma (SEA)
18:19
Ontario, Los Angeles (ONT) 2 Qatar Airways QR 3336 Non-stop Boeing 737 MAX 9 (7M9) 2:35 Operates only on 2026-01-02 Codeshare flight, operated by Alaska Airlines.(AS 592) |
| Wed
15:45
Seattle-Tacoma (SEA)
18:17
Ontario, Los Angeles (ONT) 2 Qatar Airways QR 3336 Non-stop Boeing 737 (73J) 2:32 Operates only on 2026-03-18 Codeshare flight, operated by Alaska Airlines.(AS 592) |
| Daily
15:45
Seattle-Tacoma (SEA)
18:19
Ontario, Los Angeles (ONT) 2 Qatar Airways QR 3336 Non-stop Boeing 737 (73J) 2:34 Effective 2026-03-19 through 2026-05-12 Codeshare flight, operated by Alaska Airlines.(AS 592) |
| Mon,Tue
15:50
Seattle-Tacoma (SEA)
18:25
Ontario, Los Angeles (ONT) 2 Qatar Airways QR 3336 Non-stop Boeing 737 (73J) 2:35 Valid until 2026-01-05 Codeshare flight, operated by Alaska Airlines.(AS 592) |
| Sun
15:50
Seattle-Tacoma (SEA)
18:25
Ontario, Los Angeles (ONT) 2 Qatar Airways QR 3336 Non-stop Boeing 737 MAX 9 (7M9) 2:35 Operates only on 2026-01-04 Codeshare flight, operated by Alaska Airlines.(AS 592) |
| Tue
15:50
Seattle-Tacoma (SEA)
18:25
Ontario, Los Angeles (ONT) 2 Qatar Airways QR 3336 Non-stop Boeing 737-800 (73H) 2:35 Operates only on 2026-01-06 Codeshare flight, operated by Alaska Airlines.(AS 592) |
| Tue,Wed,Sat
18:00
Seattle-Tacoma (SEA)
20:36
Ontario, Los Angeles (ONT) 2 Qatar Airways QR 3336 Non-stop Boeing 737 (73J) 2:36 Effective 2026-01-07 through 2026-01-28 Codeshare flight, operated by Alaska Airlines.(AS 592) |
| Sat
18:00
Seattle-Tacoma (SEA)
20:36
Ontario, Los Angeles (ONT) 2 Qatar Airways QR 3336 Non-stop Boeing 737 MAX 9 (7M9) 2:36 Operates only on 2026-01-31 Codeshare flight, operated by Alaska Airlines.(AS 592) |
| Tue,Wed,Sat
18:00
Seattle-Tacoma (SEA)
20:36
Ontario, Los Angeles (ONT) 2 Qatar Airways QR 3336 Non-stop Boeing 737 (73J) 2:36 Effective 2026-02-03 through 2026-02-10 Codeshare flight, operated by Alaska Airlines.(AS 592) |
| Wed
18:00
Seattle-Tacoma (SEA)
20:36
Ontario, Los Angeles (ONT) 2 Qatar Airways QR 3336 Non-stop Boeing 737 MAX 9 (7M9) 2:36 Operates only on 2026-02-11 Codeshare flight, operated by Alaska Airlines.(AS 592) |
| Tue,Wed
20:05
Seattle-Tacoma (SEA)
22:44
Ontario, Los Angeles (ONT) 2 Qatar Airways QR 3336 Non-stop Boeing 737 (73J) 2:39 Effective 2026-02-17 through 2026-03-17 Codeshare flight, operated by Alaska Airlines.(AS 592) |
| Thu
20:56
Seattle-Tacoma (SEA)
23:32
Ontario, Los Angeles (ONT) 2 Qatar Airways QR 3336 Non-stop Boeing 737-800 (73H) 2:36 Operates only on 2026-02-12 Codeshare flight, operated by Alaska Airlines.(AS 592) |
- A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Ontario, Los Angeles airport (ONT).
- 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 2:31 and 2:54.
