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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.

Round-trip
  • One-way
  • Round-trip
1 adult
Adults 12 years or over
1
Children 2-11 years
0
Infants 0-23 months
0
Cancel Done
Economy Class
  • Economy Class
  • Business Class
Done
Done

Ontario to Seattle flight schedules

Flight Departure Date Arrival Date Price Duration Number of stops Updated
Ontario (ONT) - Seattle (SEA) 2024-06-04 2024-06-05 52 USD 5 hours 37 minutes Direct 2024-04-23T02:37:51
Ontario (ONT) - Seattle (SEA) 2024-05-22 2024-06-04 65 USD 5 hours 37 minutes Direct 2024-04-23T03:57:19
Ontario (ONT) - Seattle (SEA) 2024-09-04 2024-09-14 70 USD 5 hours 24 minutes Direct 2024-04-23T05:53:58
Ontario (ONT) - Seattle (SEA) 2024-05-18 2024-05-18 72 USD 5 hours 37 minutes Direct 2024-04-25T13:04:12
Ontario (ONT) - Seattle (SEA) 2024-05-21 2024-05-21 72 USD 5 hours 37 minutes Direct 2024-04-23T07:05:57
Ontario (ONT) - Seattle (SEA) 2024-05-22 2024-05-22 72 USD 5 hours 37 minutes Direct 2024-04-23T14:31:08
Ontario (ONT) - Seattle (SEA) 2024-05-08 2024-05-21 74 USD 20 hours 26 minutes Connection 2024-04-23T05:58:04
Ontario (ONT) - Seattle (SEA) 2024-05-16 2024-05-21 75 USD 5 hours 37 minutes Direct 2024-04-23T04:12:40
Ontario (ONT) - Seattle (SEA) 2024-05-16 2024-05-22 75 USD 5 hours 37 minutes Direct 2024-04-23T04:36:31
Ontario (ONT) - Seattle (SEA) 2024-05-18 2024-05-22 75 USD 5 hours 37 minutes Direct 2024-04-23T02:14:05
Ontario (ONT) - Seattle (SEA) 2024-09-04 2024-09-07 76 USD 5 hours 24 minutes Direct 2024-04-23T05:49:23
Ontario (ONT) - Seattle (SEA) 2024-08-17 2024-08-28 76 USD 5 hours 24 minutes Direct 2024-04-23T03:29:02
Ontario (ONT) - Seattle (SEA) 2024-09-17 2024-09-21 76 USD 5 hours 24 minutes Direct 2024-04-23T01:40:01
Ontario (ONT) - Seattle (SEA) 2024-08-20 2024-08-24 76 USD 5 hours 24 minutes Direct 2024-04-23T03:03:32
Ontario (ONT) - Seattle (SEA) 2024-05-18 2024-05-21 77 USD 5 hours 37 minutes Direct 2024-04-25T15:49:17
Ontario (ONT) - Seattle (SEA) 2024-05-21 2024-05-22 77 USD 5 hours 37 minutes Direct 2024-04-23T08:42:07
Ontario (ONT) - Seattle (SEA) 2024-06-04 2024-06-18 79 USD 5 hours 37 minutes Direct 2024-04-23T05:00:11
Ontario (ONT) - Seattle (SEA) 2024-08-21 2024-09-04 79 USD 5 hours 24 minutes Direct 2024-04-23T03:53:52
Ontario (ONT) - Seattle (SEA) 2024-05-29 2024-06-18 79 USD 5 hours 37 minutes Direct 2024-04-23T05:51:43
Ontario (ONT) - Seattle (SEA) 2024-06-04 2024-06-10 80 USD 5 hours 37 minutes Direct 2024-04-23T04:02:52
Ontario (ONT) - Seattle (SEA) 2024-09-09 2024-09-11 80 USD 5 hours 24 minutes Direct 2024-04-23T03:43:37
Ontario (ONT) - Seattle (SEA) 2024-08-27 2024-09-09 80 USD 5 hours 24 minutes Direct 2024-04-23T03:48:39
Ontario (ONT) - Seattle (SEA) 2024-05-29 2024-05-31 80 USD 5 hours 37 minutes Direct 2024-04-23T01:15:40
Ontario (ONT) - Seattle (SEA) 2024-05-30 2024-06-04 80 USD 5 hours 37 minutes Direct 2024-04-23T02:08:50
Ontario (ONT) - Seattle (SEA) 2024-05-18 2024-05-25 82 USD 5 hours 37 minutes Direct 2024-04-25T12:42:35
Ontario (ONT) - Seattle (SEA) 2024-05-18 2024-05-29 82 USD 5 hours 37 minutes Direct 2024-04-26T05:12:02
Ontario (ONT) - Seattle (SEA) 2024-05-13 2024-05-16 108 USD 13 hours 21 minutes Connection 2024-04-20T02:37:34
Ontario (ONT) - Seattle (SEA) 2024-05-09 2024-05-12 130 USD 45 hours 9 minutes Connection 2024-04-23T14:56:14
Ontario (ONT) - Seattle (SEA) 2024-06-04 2024-06-19 134 USD 5 hours 37 minutes Direct 2024-04-25T07:40:11
Ontario (ONT) - Seattle (SEA) 2024-05-23 2024-05-27 154 USD 14 hours 12 minutes Connection 2024-04-24T16:20:22

Ontario to Seattle flight status

Flight Origin Destination Departure Arrival Equip
AA6826 Ontario (ONT) Seattle (SEA) 7:25 a.m. 8:30 a.m. 737-800
AS1119 Ontario (ONT) Seattle (SEA) 5 p.m. 7:38 p.m. Boeing 737-900 (winglets)
AS1091 Ontario (ONT) Seattle (SEA) 6 a.m. 8:45 a.m. Boeing 737-900 (winglets)
AS0537 Ontario (ONT) Seattle (SEA) 11 a.m. 2:14 p.m. 73J
OO3315 Ontario (ONT) Seattle (SEA) 7:25 p.m. 8:24 p.m. E75L
DL3676 Ontario (ONT) Seattle (SEA) 2:10 p.m. 3:12 p.m. E75L
AS1087 Ontario (ONT) Seattle (SEA) 7:59 p.m. 10:37 p.m.
AA7036 Ontario (ONT) Seattle (SEA) 1:15 p.m. 3:30 p.m. None
JL6389 Ontario (ONT) Seattle (SEA) 6 a.m. 8:45 a.m. None
AS1147 Ontario (ONT) Seattle (SEA) 3:50 p.m. 6:42 p.m.
AS617 Ontario (ONT) Seattle (SEA) 3:45 p.m. 5:39 p.m. Boeing 737-900 (winglets)
AS1255 Ontario (ONT) Seattle (SEA) 10:29 a.m. 1:15 p.m. Boeing 737-900 (winglets)
AS615 Ontario (ONT) Seattle (SEA) 6 a.m. 8:15 a.m. Airbus A320-100/200
AS423 Ontario (ONT) Seattle (SEA) 7:15 p.m. 10 p.m. Airbus A320-100/200
AS1267 Ontario (ONT) Seattle (SEA) 12:42 p.m. 4:10 p.m. B739
AS6389 Ontario (ONT) Seattle (SEA) 10 a.m. 11:56 a.m.
AS2251 Ontario (ONT) Seattle (SEA) 3:27 p.m. 5:46 p.m. DH4
AS9339 Ontario (ONT) Seattle (SEA) 8 a.m. 9:30 a.m. E75L
AS774 Ontario (ONT) Seattle (SEA) 6:05 a.m. 8:57 a.m. Boeing 737-900 (winglets)
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
8C6789 Ontario (ONT) Seattle (SEA) None None B763
8C6724 Ontario (ONT) Seattle (SEA) None None B763
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.
KL8881 Ontario (ONT) Seattle (SEA) noon 2:38 p.m. DH8D

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