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Cheap Flights from Ontario to Seattle (ONT - SEA)

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 ONT to SEA (Found by others)

Sun Mon Tue Wed Thu Fri Sat
  1 $272 2 $190 3 $190 4 $196 5 $196 6 $185
7 $225 8 $196 9 $190 10 $190 11 $196 12 $196 13 $190
14 $203 15 $196 16 $185 17 $187 18 $196 19 $196 20 $190
21 $211 22 $196 23 $185 24 $185 25 $196 26 $196 27 $187
28 $203 29
$203
30 $187        
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Direct flights ONT to SEA on Delta
Flight # Depart ONT Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
9044 6:25 am 8:56 am Sep 19 - Sep 27
9044 6:25 am 8:56 am Sep 18 - Sep 18
9044 6:25 am 8:56 am Aug 28 - Sep 16
9099 10:35 am 1:05 pm Sep 28 - Nov 1
9099 10:35 am 1:01 pm Aug 24 - Sep 27