Cheap flights from Ontario to Seattle
Find cheap Seattle to Ontario flights with our free search service. Compare all available fares for direct or connection flights from Seattle to Ontario.
Ontario to Seattle flight schedules
| Flight | Departure Date | Arrival Date | Price | Duration | Number of stops | Updated |
|---|---|---|---|---|---|---|
| Ontario (ONT) - Seattle (SEA) | 2026-11-06 | 2026-11-09 | 96 USD | 5 hours 52 minutes | Direct | 2026-10-07T05:35:42 |
| Ontario (ONT) - Seattle (SEA) | 2026-11-12 | 2026-11-15 | 132 USD | 5 hours 52 minutes | Direct | 2026-10-05T08:14:38 |
| Ontario (ONT) - Seattle (SEA) | 2026-11-05 | 2026-11-08 | 145 USD | 5 hours 52 minutes | Direct | 2026-10-04T08:14:05 |
| Ontario (ONT) - Seattle (SEA) | 2026-10-30 | 2026-11-04 | 157 USD | 5 hours 52 minutes | Direct | 2026-10-06T14:26:52 |
| Ontario (ONT) - Seattle (SEA) | 2026-11-07 | 2026-11-09 | 179 USD | 5 hours 41 minutes | Direct | 2026-10-04T21:10:25 |
| Ontario (ONT) - Seattle (SEA) | 2026-11-25 | 2026-12-02 | 234 USD | 5 hours 55 minutes | Direct | 2026-10-04T12:28:36 |
| Ontario (ONT) - Seattle (SEA) | 2026-10-19 | 2026-11-08 | 256 USD | 30 hours 8 minutes | Connection | 2026-10-09T06:00:23 |
| Ontario (ONT) - Seattle (SEA) | 2026-10-13 | 2026-10-14 | 285 USD | 14 hours 10 minutes | Connection | 2026-10-07T19:57:16 |
| Ontario (ONT) - Seattle (SEA) | 2026-12-22 | 2026-12-28 | 294 USD | 5 hours 36 minutes | Direct | 2026-10-07T22:34:44 |
| Ontario (ONT) - Seattle (SEA) | 2027-01-01 | 2027-01-04 | 294 USD | 5 hours 48 minutes | Direct | 2026-10-07T22:34:27 |
| Ontario (ONT) - Seattle (SEA) | 2026-10-10 | 2026-10-13 | 369 USD | 22 hours 56 minutes | Connection | 2026-10-07T05:36:04 |
| Ontario (ONT) - Seattle (SEA) | 2027-05-01 | 2027-05-04 | 370 USD | 5 hours 27 minutes | Direct | 2026-10-07T22:34:06 |
| Ontario (ONT) - Seattle (SEA) | 2027-06-01 | 2027-06-04 | 415 USD | 5 hours 27 minutes | Direct | 2026-10-07T22:34:11 |
| Ontario (ONT) - Seattle (SEA) | 2027-04-02 | 2027-04-04 | 440 USD | 9 hours 8 minutes | Connection | 2026-10-07T22:35:13 |
| Ontario (ONT) - Seattle (SEA) | 2027-08-01 | 2027-08-04 | 556 USD | 5 hours 27 minutes | Direct | 2026-10-07T22:34:49 |
Ontario to Seattle flight status
| Flight | Origin | Destination | Departure | Arrival | Equip |
|---|---|---|---|---|---|
| AS423 | Ontario (ONT) | Seattle (SEA) | 6:23 a.m. | 7 a.m. | Airbus A320-100/200 |
| AS774 | Ontario (ONT) | Seattle (SEA) | 5:32 p.m. | 8:20 p.m. | Boeing 737-900 (winglets) |
| AS6389 | Ontario (ONT) | Seattle (SEA) | 12:28 p.m. | 1:52 p.m. | |
| AS1091 | Ontario (ONT) | Seattle (SEA) | 6:26 p.m. | 7:19 p.m. | Boeing 737-900 (winglets) |
| KE3098 | Ontario (ONT) | Seattle (SEA) | 6:20 a.m. | 9:17 a.m. | EMBRAER EMB 175 (short wing) |
| AS0537 | Ontario (ONT) | Seattle (SEA) | 2:52 p.m. | 5:34 p.m. | 73J |
| AS1147 | Ontario (ONT) | Seattle (SEA) | 5:45 p.m. | 6:32 p.m. | |
| AS1087 | Ontario (ONT) | Seattle (SEA) | 2:08 p.m. | 2:57 p.m. | |
| AS617 | Ontario (ONT) | Seattle (SEA) | 6:39 p.m. | 11:27 p.m. | Boeing 737-900 (winglets) |
| AS615 | Ontario (ONT) | Seattle (SEA) | 6:04 p.m. | 11:59 p.m. | Airbus A320-100/200 |
| AS2251 | Ontario (ONT) | Seattle (SEA) | 6:19 p.m. | 7:36 p.m. | DH4 |
| AA6826 | Ontario (ONT) | Seattle (SEA) | 9 p.m. | 10:35 p.m. | 737-800 |
| QR2987 | Ontario (ONT) | Seattle (SEA) | 10:50 p.m. | 7:16 a.m. | 73J |
| OO3315 | Ontario (ONT) | Seattle (SEA) | 7:01 a.m. | 8:50 a.m. | E75L |
| AA7036 | Ontario (ONT) | Seattle (SEA) | 8:30 a.m. | 11 a.m. | None |
| DL3676 | Ontario (ONT) | Seattle (SEA) | 4:35 p.m. | 5:55 p.m. | E75L |
| JL6389 | Ontario (ONT) | Seattle (SEA) | 6 a.m. | 8:52 a.m. | None |
| KL8881 | Ontario (ONT) | Seattle (SEA) | 7:11 p.m. | 8:35 p.m. | DH8D |
| 8C6789 | Ontario (ONT) | Seattle (SEA) | 10 a.m. | None | B763 |
| F93164 | Ontario (ONT) | Seattle (SEA) | 8:02 a.m. | 10:55 a.m. | Airbus A321neo |
| AS1119 | Ontario (ONT) | Seattle (SEA) | 3:06 p.m. | 5:46 p.m. | Boeing 737-900 (winglets) |
| AS1255 | Ontario (ONT) | Seattle (SEA) | 8:38 a.m. | 10:40 a.m. | Boeing 737-900 (winglets) |
| AS1267 | Ontario (ONT) | Seattle (SEA) | 6:59 p.m. | 10:12 p.m. | B739 |
| 8C6724 | Ontario (ONT) | Seattle (SEA) | 11:30 a.m. | None | B763 |
| AS9339 | Ontario (ONT) | Seattle (SEA) | 8 a.m. | 9:30 a.m. | E75L |
| 8C9702 | Ontario (ONT) | Seattle (SEA) | 9:05 p.m. | 11:55 p.m. | B762 |
| AS2885 | Ontario (ONT) | Seattle (SEA) | 7 a.m. | 9:35 a.m. | E75L |
| AS2854 | Ontario (ONT) | Seattle (SEA) | 12:30 p.m. | 3:08 p.m. | E75L |
| AS2677 | Ontario (ONT) | Seattle (SEA) | 4:25 p.m. | 7:03 p.m. | E75L |
| AS2877 | Ontario (ONT) | Seattle (SEA) | 5:45 p.m. | 8:27 p.m. | E75L |
| 8C6925 | Ontario (ONT) | Seattle (SEA) | None | None | B763 |
| AS2923 | Ontario (ONT) | Seattle (SEA) | 11:20 a.m. | 2:10 p.m. | E75L |
| 8C9804 | Ontario (ONT) | Seattle (SEA) | None | None | B762 |
| QX2923 | Ontario (ONT) | Seattle (SEA) | 11:20 a.m. | 2:10 p.m. | E75L |
| 8C6901 | Ontario (ONT) | Seattle (SEA) | None | None | B763 |
| 8C6982 | Ontario (ONT) | Seattle (SEA) | None | None | B763 |
| 8C6917 | Ontario (ONT) | Seattle (SEA) | None | None | B763 |
| 8C6943 | Ontario (ONT) | Seattle (SEA) | None | None | B763 |
| 8C6956 | Ontario (ONT) | Seattle (SEA) | None | None | B763 |
| AU2501 | Ontario (ONT) | Seattle (SEA) | 7:30 p.m. | 10:15 p.m. |
Popular Flights Searchs
- Domestic Destinations
- International Destinations