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Cheap Flights from Seattle to Ontario

Did You Know?

Seattle has 6 long haul flights nonstop to Ontario each week.
There are 6 nonstop flights from Seattle to Ontario.
The longest nonstop flight between Seattle and Ontario is 2,054 miles.
100% of all flights from Seattle to Ontario arrive during afternoon hours.
Air Canada provides 100% of the nonstop flights from Seattle to Ontario.
The shortest nonstop flight between Seattle and Ontario is 2,054 miles.
There are no short haul direct flights between Seattle and Ontario.
Only one airline operates between Seattle and Ontario.

Cheap Domestic Flights to Ontario - ON

Flights
Airline
Lowest Price
Air Canada, WestJet
CAD526
Air Canada, WestJet
CAD528
Air Canada, WestJet
CAD545
WestJet
CAD567
Air Canada, WestJet
CAD614
Air Canada, WestJet
CAD718
WestJet, Air Canada
CAD534
Air Canada, WestJet
CAD504
Air Canada, WestJet
CAD755
Air Canada, WestJet
CAD639
Air Canada
CAD865
Air Canada
CAD852
WestJet
CAD799
Air Canada
CAD846
Air Canada, WestJet
CAD545

Cheap International Flights from Seattle - SEA

Flights
Airline
Lowest Price
American, US Airways, Delta, United, Alaska, Air Canada
$420
Air Canada, United, Delta, Alaska, American, US Airways
$395
United, Air Canada
$617
Delta, Air Canada, United
$621
Air Canada
$1018
Air Canada
$1176
Air Canada
$1154
Air Canada, United
$1185
Air Canada
$1303

Cheap International Flights to Ontario - ON

Flights
Airline
Lowest Price
Air Canada, Alaska, United, Delta, US Airways, American
$474
United, Air Canada
$617
Delta, Alaska, American
$559
Alaska, Delta, United, American, Air Canada, US Airways
$456
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Cheap Flights from Seattle to Ontario - from $395 Round trip from SEA to ON