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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 $213 2 $236 3 $213
4 $236 5 $213 6 $213 7 $186 8 $202 9 $206 10 $202
11 $206 12 $202 13 $186 14 $183 15 $228 16 $216 17 $203
18 $205 19 $205 20 $186 21 $196 22 $276 23 $306 24 $237
25 $206 26 $208 27 $192 28 $192 29 $206 30 $206 31 $196
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 Delta
Flight # Depart SEA Arrive ONT Sun Mon Tue Wed Thu Fri Sat Valid Between
7535 2:10 pm 4:40 pm Apr 22 - May 2
7535 2:10 pm 4:37 pm May 4 - Jun 6