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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
CAD524
Air Canada, WestJet
CAD526
Air Canada, WestJet
CAD542
WestJet
CAD576
Air Canada, WestJet
CAD611
Air Canada, WestJet
CAD714
WestJet, Air Canada
CAD531
Air Canada, WestJet
CAD502
Air Canada, WestJet
CAD755
Air Canada, WestJet
CAD636
Air Canada
CAD861
Air Canada
CAD848
WestJet
CAD795
Air Canada
CAD842
Air Canada, WestJet
CAD543

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