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Cheap Flights from Seattle to Ontario (SEA - ONT)

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1 adult
Note: some airlines charge for infants in laps.
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 (Found by others)

Sun Mon Tue Wed Thu Fri Sat
      1 $313 2 $313 3 $314 4 $314
5 $261 6 $214 7 $206 8 $206 9 $234 10 $234 11 $235
12 $234 13 $211 14 $179 15 $179 16 $256 17 $215 18 $185
19 $196 20 $202 21 $171 22 $171 23 $171 24 $205 25 $190
26 $185 27 $171 28 $171 29 $171 30 $171 31 $196  
KAYAK searches hundreds of sites to find the best rate for your next flight from Seattle to Ontario. Get the best flight deal for your Ontario trip!
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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 6 - Nov 15
7025 7:05 am 9:39 am Nov 2 - Nov 5
7025 7:20 am 9:46 am Oct 2 - Nov 1
7005 2:50 pm 5:14 pm Oct 2 - Nov 1
7005 3:25 pm 5:50 pm Nov 2 - Nov 10
7021 5:30 pm 7:54 pm Nov 1 - Nov 1
7021 8:30 pm 10:56 pm Oct 27 - Oct 29
7021 8:30 pm 10:56 pm Oct 26 - Oct 31
7021 8:30 pm 10:56 pm Oct 2 - Oct 24
7021 8:55 pm 11:18 pm Nov 2 - Nov 24