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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 $214 2 $236 3 $240 4 $187
5 $216 6 $203 7 $179 8 $179 9 $206 10 $195 11 $179
12 $209 13 $195 14 $196 15 $177 16 $212 17 $196 18 $190
19 $196 20 $196 21 $177 22 $177 23 $177 24 $196 25 $177
26 $196 27 $177 28 $177 29 $171 30 $171 31 $177  
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 20 - Nov 1
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 Oct 26 - Oct 31
7021 8:30 pm 10:56 pm Sep 28 - Oct 24