All airlines flying from Ontario, Los Angeles (ONT) to Seattle-Tacoma (SEA).
Ad box here 7322741189 I FlightInfo Top Box
| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Tue
14:22
Ontario, Los Angeles (ONT) 2
16:59
Seattle-Tacoma (SEA) Alaska Airlines AS 1242 Non-stop Boeing 737 (73J) 2:37 Effective 2025-07-08 through 2025-07-15 |
| Mon
14:22
Ontario, Los Angeles (ONT) 2
16:59
Seattle-Tacoma (SEA) Alaska Airlines AS 1242 Non-stop Boeing 737 MAX 8 (7M8) 2:37 Effective 2025-07-21 through 2025-08-18 |
| Thu
11:51
Ontario, Los Angeles (ONT) 2
14:35
Seattle-Tacoma (SEA) Alaska Airlines AS 1255 Non-stop Boeing 737 MAX 9 (7M9) 2:44 Operates only on 2025-05-15 |
| Fri
11:51
Ontario, Los Angeles (ONT) 2
14:35
Seattle-Tacoma (SEA) Alaska Airlines AS 1255 Non-stop Boeing 737-900 (739) 2:44 Operates only on 2025-05-16 |
| Mon-Wed,Fri-Sun
11:51
Ontario, Los Angeles (ONT) 2
14:35
Seattle-Tacoma (SEA) Alaska Airlines AS 1255 Non-stop Boeing 737 (73J) 2:44 Effective 2025-05-17 through 2025-05-26 |
| Tue,Thu
11:51
Ontario, Los Angeles (ONT) 2
14:35
Seattle-Tacoma (SEA) Alaska Airlines AS 1255 Non-stop Boeing 737-800 (73H) 2:44 Effective 2025-05-22 through 2025-05-27 |
| Mon-Thu,Sun
11:51
Ontario, Los Angeles (ONT) 2
14:35
Seattle-Tacoma (SEA) Alaska Airlines AS 1255 Non-stop Boeing 737 (73J) 2:44 Effective 2025-05-28 through 2025-06-10 |
| Fri,Sat
11:51
Ontario, Los Angeles (ONT) 2
14:35
Seattle-Tacoma (SEA) Alaska Airlines AS 1255 Non-stop Boeing 737-900 (739) 2:44 Effective 2025-05-30 through 2025-06-07 |
| Wed
11:51
Ontario, Los Angeles (ONT) 2
14:35
Seattle-Tacoma (SEA) Alaska Airlines AS 1255 Non-stop Boeing 737 MAX 9 (7M9) 2:44 Operates only on 2025-06-11 |
| Thu,Fri,Sun
19:20
Ontario, Los Angeles (ONT) 2
22:00
Seattle-Tacoma (SEA) Alaska Airlines AS 1399 Non-stop Boeing 737 (73J) 2:40 Effective 2025-05-15 through 2025-05-25 |
| Mon,Wed
19:20
Ontario, Los Angeles (ONT) 2
22:00
Seattle-Tacoma (SEA) Alaska Airlines AS 1399 Non-stop Boeing 737 MAX 9 (7M9) 2:40 Effective 2025-05-19 through 2025-05-21 |
| Tue
19:20
Ontario, Los Angeles (ONT) 2
22:00
Seattle-Tacoma (SEA) Alaska Airlines AS 1399 Non-stop Boeing 737-900 (739) 2:40 Operates only on 2025-05-20 |
| Mon-Fri
19:20
Ontario, Los Angeles (ONT) 2
22:00
Seattle-Tacoma (SEA) Alaska Airlines AS 1399 Non-stop Boeing 737 (73J) 2:40 Effective 2025-05-26 through 2025-06-06 |
| Sun
19:20
Ontario, Los Angeles (ONT) 2
22:00
Seattle-Tacoma (SEA) Alaska Airlines AS 1399 Non-stop Boeing 737 MAX 9 (7M9) 2:40 Operates only on 2025-06-01 |
| Mon-Wed,Sun
19:20
Ontario, Los Angeles (ONT) 2
22:00
Seattle-Tacoma (SEA) Alaska Airlines AS 1399 Non-stop Boeing 737 (73J) 2:40 Effective 2025-06-08 through 2025-06-11 |
| Mon,Thu
18:24
Ontario, Los Angeles (ONT) 2
21:00
Seattle-Tacoma (SEA) Alaska Airlines AS 1402 Non-stop Boeing 737 (73J) 2:36 Valid until 2025-05-01 |
| Mon,Thu,Fri
18:24
Ontario, Los Angeles (ONT) 2
21:00
Seattle-Tacoma (SEA) Alaska Airlines AS 1402 Non-stop Boeing 737 (73J) 2:36 Effective 2025-05-02 through 2025-05-12 |
| Sun
19:24
Ontario, Los Angeles (ONT) 2
22:00
Seattle-Tacoma (SEA) Alaska Airlines AS 1402 Non-stop Boeing 737 (73J) 2:36 Valid until 2025-05-11 |
| Mon,Wed,Fri-Sun
10:03
Ontario, Los Angeles (ONT)
13:03
Seattle-Tacoma (SEA) Frontier Airlines F9 3164 Non-stop Airbus A320neo (32N) 3:00 Effective 2025-05-23 through 2025-05-31 |
| Mon,Wed-Sun
10:03
Ontario, Los Angeles (ONT)
12:49
Seattle-Tacoma (SEA) Frontier Airlines F9 3164 Non-stop Airbus A320neo (32N) 2:46 Effective 2025-06-01 through 2025-06-09 |
| Daily
10:03
Ontario, Los Angeles (ONT)
12:49
Seattle-Tacoma (SEA) Frontier Airlines F9 3164 Non-stop Airbus A320neo (32N) 2:46 Effective 2025-06-12 through 2025-07-04 |
| Daily
10:03
Ontario, Los Angeles (ONT)
12:53
Seattle-Tacoma (SEA) Frontier Airlines F9 3164 Non-stop Airbus A320neo (32N) 2:50 Effective 2025-07-05 through 2025-08-18 |
| Thu
10:05
Ontario, Los Angeles (ONT)
13:05
Seattle-Tacoma (SEA) Frontier Airlines F9 3164 Non-stop Airbus A320neo (32N) 3:00 Effective 2025-05-22 through 2025-05-29 |
| Wed
10:06
Ontario, Los Angeles (ONT)
12:52
Seattle-Tacoma (SEA) Frontier Airlines F9 3164 Non-stop Airbus A320neo (32N) 2:46 Operates only on 2025-06-11 |
| Tue
11:33
Ontario, Los Angeles (ONT)
14:20
Seattle-Tacoma (SEA) Frontier Airlines F9 3164 Non-stop Airbus A320neo (32N) 2:47 Effective 2025-06-03 through 2025-06-10 |
| Tue
11:35
Ontario, Los Angeles (ONT)
14:36
Seattle-Tacoma (SEA) Frontier Airlines F9 3164 Non-stop Airbus A320neo (32N) 3:01 Operates only on 2025-05-27 |
| Mon,Thu,Sun
16:29
Ontario, Los Angeles (ONT)
19:32
Seattle-Tacoma (SEA) Frontier Airlines F9 3164 Non-stop Airbus A320neo (32N) 3:03 Valid until 2025-05-19 |
| Daily
11:29
Ontario, Los Angeles (ONT) 2
14:13
Seattle-Tacoma (SEA) Delta Air Lines DL 3589 Non-stop Embraer EMB 175 (E7W) 2:44 Effective 2025-08-11 through 2025-09-07 |
| Daily
14:35
Ontario, Los Angeles (ONT) 2
17:30
Seattle-Tacoma (SEA) Delta Air Lines DL 3589 Non-stop Embraer EMB 175 (E7W) 2:55 Effective 2025-06-08 through 2025-06-28 |
| Mon-Thu,Sat,Sun
14:35
Ontario, Los Angeles (ONT) 2
17:30
Seattle-Tacoma (SEA) Delta Air Lines DL 3589 Non-stop Embraer EMB 175 (E7W) 2:55 Effective 2025-06-29 through 2025-07-06 |
| Daily
14:38
Ontario, Los Angeles (ONT) 2
17:22
Seattle-Tacoma (SEA) Delta Air Lines DL 3589 Non-stop Embraer EMB 175 (E7W) 2:44 Effective 2025-07-07 through 2025-08-10 |
| Fri
14:55
Ontario, Los Angeles (ONT) 2
17:50
Seattle-Tacoma (SEA) Delta Air Lines DL 3589 Non-stop Embraer EMB 175 (E7W) 2:55 Operates only on 2025-07-04 |
| Daily
11:05
Ontario, Los Angeles (ONT) 2
14:02
Seattle-Tacoma (SEA) Delta Air Lines DL 3593 Non-stop Embraer EMB 175 (E7W) 2:57 Effective 2025-06-08 through 2025-07-06 |
| Daily
11:29
Ontario, Los Angeles (ONT) 2
14:19
Seattle-Tacoma (SEA) Delta Air Lines DL 3593 Non-stop Embraer EMB 175 (E7W) 2:50 Effective 2025-07-07 through 2025-08-10 |
| Daily
18:07
Ontario, Los Angeles (ONT) 2
21:06
Seattle-Tacoma (SEA) Delta Air Lines DL 3884 Non-stop Embraer EMB 175 (E7W) 2:59 Effective 2025-12-20 through 2026-01-05 |
| Daily
14:00
Ontario, Los Angeles (ONT) 2
16:57
Seattle-Tacoma (SEA) Delta Air Lines DL 3946 Non-stop Embraer EMB 175 (E7W) 2:57 Effective 2025-09-08 through 2025-12-19 |
| Mon-Fri,Sun
14:35
Ontario, Los Angeles (ONT) 2
17:25
Seattle-Tacoma (SEA) Delta Air Lines DL 3946 Non-stop Embraer EMB 175 (E7W) 2:50 Valid until 2025-05-06 |
| Sat
14:35
Ontario, Los Angeles (ONT) 2
17:27
Seattle-Tacoma (SEA) Delta Air Lines DL 3946 Non-stop Embraer EMB 175 (E7W) 2:52 Valid until 2025-05-03 |
| Daily
14:55
Ontario, Los Angeles (ONT) 2
17:55
Seattle-Tacoma (SEA) Delta Air Lines DL 3946 Non-stop Embraer EMB 175 (E7W) 3:00 Effective 2025-05-07 through 2025-06-07 |
| Daily
17:30
Ontario, Los Angeles (ONT) 2
20:25
Seattle-Tacoma (SEA) Delta Air Lines DL 4031 Non-stop Embraer EMB 175 (E7W) 2:55 Valid until 2025-05-06 |
| Daily
17:45
Ontario, Los Angeles (ONT) 2
20:34
Seattle-Tacoma (SEA) Delta Air Lines DL 4031 Non-stop Embraer EMB 175 (E7W) 2:49 Effective 2025-06-08 through 2025-07-03 |
| Sun
17:45
Ontario, Los Angeles (ONT) 2
20:34
Seattle-Tacoma (SEA) Delta Air Lines DL 4031 Non-stop Embraer EMB 175 (E7W) 2:49 Operates only on 2025-07-06 |
| Daily
17:50
Ontario, Los Angeles (ONT) 2
20:50
Seattle-Tacoma (SEA) Delta Air Lines DL 4031 Non-stop Embraer EMB 175 (E7W) 3:00 Effective from 2026-01-06 |
| Daily
17:51
Ontario, Los Angeles (ONT) 2
20:50
Seattle-Tacoma (SEA) Delta Air Lines DL 4031 Non-stop Embraer EMB 175 (E7W) 2:59 Effective 2025-09-08 through 2025-12-19 |
| Daily
17:53
Ontario, Los Angeles (ONT) 2
20:36
Seattle-Tacoma (SEA) Delta Air Lines DL 4031 Non-stop Embraer EMB 175 (E7W) 2:43 Effective 2025-07-07 through 2025-09-07 |
| Daily
19:05
Ontario, Los Angeles (ONT) 2
22:07
Seattle-Tacoma (SEA) Delta Air Lines DL 4031 Non-stop Embraer EMB 175 (E7W) 3:02 Effective 2025-05-07 through 2025-06-07 |
| Daily
05:45
Ontario, Los Angeles (ONT) 2
08:42
Seattle-Tacoma (SEA) Delta Air Lines DL 4042 Non-stop Embraer EMB 175 (E7W) 2:57 Valid until 2025-05-06 |
| Daily
06:00
Ontario, Los Angeles (ONT) 2
08:55
Seattle-Tacoma (SEA) Delta Air Lines DL 4042 Non-stop Embraer EMB 175 (E7W) 2:55 Effective 2025-05-07 through 2025-06-07 |
| Daily
06:30
Ontario, Los Angeles (ONT) 2
09:28
Seattle-Tacoma (SEA) Delta Air Lines DL 4042 Non-stop Embraer EMB 175 (E7W) 2:58 Effective 2025-06-08 through 2025-07-06 |
| Daily
07:00
Ontario, Los Angeles (ONT) 2
09:49
Seattle-Tacoma (SEA) Delta Air Lines DL 4042 Non-stop Embraer EMB 175 (E7W) 2:49 Effective 2025-07-07 through 2025-09-07 |
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.
