Using the online timetable is an easy way to look at all the direct flights Ontario — Seattle
67 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, thu, fri | 5X984 | UPS | 2h 23m | Ontario International Airport — Boeing Field International Airport | Select dates |
| 01:50 | 04:23 | wed, thu | 5X984 | UPS | 2h 33m | Ontario International Airport — Boeing Field International Airport | Select dates |
| 06:00 | 08:42 | daily | AS1091 | Alaska Horizon | 2h 42m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 10:03 | 12:53 | daily | F93164 | Frontier (Flo the Flamingo Livery) | 2h 50m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 11:25 | 14:19 | daily | DL3593 | Delta Air Lines | 2h 54m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 11:57 | 14:43 | fri | AS9801 | Alaska Horizon | 2h 46m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 12:00 | 14:38 | mon, tue, wed, thu, fri, sun | AS1111 | Alaska Horizon | 2h 38m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 12:00 | 14:45 | sun | QX9372 | Alaska Horizon | 2h 45m | 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 |
| 14:21 | 16:58 | daily | AS1242 | Alaska Horizon | 2h 37m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 14:22 | 16:59 | mon, tue | AS1242 | Alaska Horizon | 2h 37m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 16:00 | 18:40 | daily | AS1119 | Alaska Horizon | 2h 40m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 17:59 | 20:45 | daily | DL4031 | Delta Air Lines | 2h 46m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 18:51 | 21:31 | sat | AS1087 | Alaska Horizon | 2h 40m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |
| 18:58 | 21:37 | mon, tue, wed, thu, fri, sun | AS1087 | Alaska Horizon | 2h 39m | Ontario International Airport — Seattle-Tacoma International Airport | Select dates |