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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 $185 2 $203 3 $201 4 $177
5 $203 6 $216 7 $179 8 $171 9 $223 10 $171 11 $185
12 $203 13 $212 14 $190 15 $185 16 $206 17 $171 18 $190
19 $196 20 $196 21 $190 22 $177 23 $171 24 $196 25 $185
26 $171 27 $171 28 $171 29 $196 30 $171 31 $171  
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 7:20 am 9:46 am Sep 18 - Nov 1
7005 2:45 pm 5:15 pm Sep 18 - Sep 27
7005 2:50 pm 5:14 pm Sep 28 - Nov 1
7021 8:30 pm 10:56 pm Oct 27 - Oct 29
7021 8:30 pm 10:56 pm Sep 28 - Oct 24
7021 8:30 pm 10:56 pm Oct 26 - Oct 31