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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
CAD534
Air Canada, WestJet
CAD565
Air Canada, WestJet
CAD531
WestJet
CAD502
Air Canada, WestJet
CAD634
Air Canada, WestJet
CAD634
WestJet, Air Canada
CAD594
Air Canada, WestJet
CAD518
Air Canada, WestJet
CAD681
Air Canada, WestJet
CAD555
Air Canada
CAD766
Air Canada
CAD908
WestJet
CAD658
Air Canada
CAD797
Air Canada, WestJet
CAD649

Cheap International Flights from Seattle - SEA

Flights
Airline
Lowest Price
American, US Airways, Delta, United, Alaska, Air Canada
$421
Air Canada, United, Delta, Alaska, American, US Airways
$426
United, Air Canada
$576
Delta, Air Canada, United
$615
Air Canada
$1028
Air Canada
$1140
Air Canada
$1141
Air Canada, United
$1150
Air Canada
$1274

Cheap International Flights to Ontario - ON

Flights
Airline
Lowest Price
Air Canada, Alaska, United, Delta, US Airways, American
$464
United, Air Canada
$494
Delta, Alaska, American
$530
Alaska, Delta, United, American, Air Canada, US Airways
$469
Cheap Flights from Seattle to Ontario - from $421 Round trip from SEA to ON