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Cheap Flights from Seattle to Ontario (SEA - ONT)

DepartReturn
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 $272 2 $295 3 $185 4 $196 5 $196 6 $185
7 $222 8 $216 9 $185 10 $185 11 $196 12 $203 13 $205
14 $216 15 $196 16 $187 17 $190 18 $196 19 $196 20 $187
21 $216 22 $196 23 $185 24 $177 25 $196 26 $196 27 $185
28 $196 29 $196 30 $190        
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 Aug 28 - Nov 1
7005 2:45 pm 5:15 pm Sep 5 - Sep 27
7005 2:50 pm 5:15 pm Aug 28 - Sep 4
7005 2:50 pm 5:14 pm Sep 28 - Nov 1
7021 8:30 pm 11:05 pm Aug 28 - Sep 26
7021 8:30 pm 10:56 pm Sep 28 - Oct 31