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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 $251 2 $199 3 $180
4 $199 5 $199 6 $180 7 $180 8 $199 9 $202 10 $180
11 $199 12 $199 13 $180 14 $183 15 $219 16 $226 17 $202
18 $205 19 $202 20 $196 21 $190 22 $289 23 $263 24 $219
25 $216 26 $206 27 $224 28 $216 29 $216 30 $216 31 $186
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Direct flights SEA to ONT on Delta
Flight # Depart SEA Arrive ONT Sun Mon Tue Wed Thu Fri Sat Valid Between
7535 2:10 pm 4:40 pm Apr 13 - May 2
7535 2:10 pm 4:37 pm May 4 - Jun 5