Cheap Flights from Seattle to Ontario (SEA - ONT)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youth
12-17
Child
2-11
Seat Infant
under 2
Lap Infant
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Best fares from SEA to ONT

Sun Mon Tue Wed Thu Fri Sat
  1 $293 2 $215 3 $218 4 $215 5 $231 6 $218
7 $204 8 $204 9 $191 10 $188 11 $204 12 $209 13 $225
14 $204 15 $212 16 $194 17 $221 18 $204 19 $234 20 $260
21 $260 22 $273 23 $256 24 $309 25 $260 26 $280 27 $445
28 $461 29 $306 30 $268 31 $216      

Best fares found by others...

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Direct flights SEA to ONT on American Airlines
Flight # Depart SEA Arrive ONT Sun Mon Tue Wed Thu Fri Sat Valid Between
7025 7:05 am 9:37 am Nov 27 - Dec 6
7025 7:10 am 9:34 am Dec 8 - Dec 11
7025 7:10 am 9:34 am Dec 15 - Dec 22
7025 7:10 am 9:34 am Dec 17 - Dec 23
7025 7:10 am 9:34 am Dec 24 - Dec 30
7025 7:10 am 9:34 am Dec 25 - Jan 1
7025 7:10 am 9:34 am Jan 2 - Jan 5
7025 7:10 am 9:34 am Dec 7 - Dec 14
7005 3:25 pm 5:44 pm Dec 31 - Jan 4
7005 3:25 pm 5:44 pm Dec 17 - Dec 28
7005 3:25 pm 5:44 pm Dec 8 - Dec 16
7005 3:25 pm 5:44 pm Dec 7 - Dec 12
7005 3:25 pm 5:50 pm Dec 5 - Dec 5
7005 3:25 pm 5:44 pm Dec 18 - Dec 30
7005 3:25 pm 5:50 pm Nov 27 - Dec 4
7005 3:25 pm 5:44 pm Jan 1 - Jan 1
7021 8:55 pm 11:19 pm Dec 18 - Dec 26
7021 8:55 pm 11:19 pm Dec 20 - Dec 24
7021 8:55 pm 11:19 pm Dec 27 - Jan 3
7021 8:55 pm 11:19 pm Dec 29 - Jan 2