Using the online timetable is an easy way to look at all the direct flights Ontario — Seattle
128 flights in a week
Departure and arrival times are local (Ontario and Seattle)
| Departure | Arrival | Flight days | Flight | Airlines | Flight time | Airports | |
|---|---|---|---|---|---|---|---|
| 01:50 | 04:13 | tue, wed, thu | 5X984 | UPS | 2h 23m | Ontario International Airport — Boeing Field International Airport | Select dates |
| 01:50 | 04:23 | wed, thu, fri | 5X984 | UPS | 2h 33m | Ontario International Airport — Boeing Field International Airport | Select dates |
| 06:00 | 08:42 | daily | AS1091 | Alaska Airlines | 2h 42m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 06:00 | 08:48 | daily | DL4042 | Delta Connection | 2h 48m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 06:00 | 08:45 | daily | AS1091 | Alaska Airlines | 2h 45m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 06:00 | 08:48 | sat | AS1091 | Alaska Airlines | 2h 48m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 06:25 | 09:13 | daily | DL4042 | Delta Connection | 2h 48m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 08:13 | 11:11 | mon, thu, fri, sun | F93164 | Frontier (Holly the Aplomado Falcon Livery) | 2h 58m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 09:40 | 12:25 | mon, thu, fri, sun | F93164 | Frontier (Holly the Aplomado Falcon Livery) | 2h 45m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 11:25 | 14:19 | daily | DL3593 | Delta Connection | 2h 54m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 11:39 | 14:19 | wed | AS1111 | Alaska Airlines | 2h 40m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 11:39 | 14:22 | wed, sat | AS1111 | Alaska Airlines | 2h 43m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 11:40 | 14:25 | tue, wed, thu, fri, sat, sun | DL1566 | Delta Connection | 2h 45m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 11:57 | 14:43 | fri | AS9801 | Alaska Airlines | 2h 46m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 12:00 | 14:38 | mon, tue, wed, thu, fri, sun | AS1111 | Alaska Airlines | 2h 38m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 12:20 | 14:44 | tue, wed, thu | 5X2836 | UPS | 2h 24m | Ontario International Airport — Boeing Field International Airport | Select dates |
| 14:14 | 17:00 | tue, wed, thu, fri | DL3589 | Delta Connection | 2h 46m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 14:21 | 16:58 | daily | AS1242 | Alaska Airlines | 2h 37m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 14:21 | 16:58 | tue | AS1242 | AlphaSky | 2h 37m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 14:22 | 16:59 | mon, tue | AS1242 | Alaska Airlines | 2h 37m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 15:04 | 17:44 | tue, thu, fri, sat, sun | AS1119 | Alaska Airlines | 2h 40m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 15:06 | 17:46 | daily | AS1119 | Alaska Airlines | 2h 40m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 16:00 | 18:40 | daily | AS1119 | Alaska Airlines | 2h 40m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 16:56 | 19:42 | sat | F92275 | Frontier (Holly the Aplomado Falcon Livery) | 2h 46m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 17:03 | 19:53 | wed | F92275 | Frontier (Holly the Aplomado Falcon Livery) | 2h 50m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 17:59 | 20:45 | daily | DL4031 | Delta Connection | 2h 46m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 18:05 | 20:50 | mon, thu, fri, sat | DL4031 | Delta Connection | 2h 45m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 18:51 | 21:31 | sat | AS1087 | Alaska Airlines | 2h 40m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 18:58 | 21:37 | mon, tue, wed, thu, fri, sun | AS1087 | Alaska Airlines | 2h 39m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 19:22 | 22:05 | mon, thu, fri, sun | AS1087 | Alaska Airlines | 2h 43m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 19:40 | 22:30 | fri, sun | AS1087 | Alaska Airlines | 2h 50m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |