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Cheap Flights from Ontario to Seattle (ONT - SEA)

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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 ONT to SEA (Found by others)

Sun Mon Tue Wed Thu Fri Sat
      1 $214 2 $214 3 $220 4 $185
5 $239 6 $203 7 $185 8 $190 9 $201 10 $230 11 $190
12 $240 13 $221 14 $190 15 $172 16 $177 17 $196 18 $185
19 $226 20 $221 21 $177 22 $177 23 $193 24 $209 25 $177
26 $219 27 $177 28 $177 29 $177 30 $177 31 $177  
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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 9:00 am Sep 29 - Oct 4
9044 6:25 am 9:00 am Oct 6 - Oct 25
9044 6:25 am 9:00 am Oct 27 - Nov 1
9044 6:25 am 9:00 am Oct 28 - Oct 30
9099 10:35 am 1:05 pm Sep 28 - Nov 1