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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
CAD532
Air Canada, WestJet
CAD534
Air Canada, WestJet
CAD530
WestJet
CAD588
Air Canada, WestJet
CAD742
Air Canada, WestJet
CAD728
WestJet, Air Canada
CAD591
Air Canada, WestJet
CAD533
Air Canada, WestJet
CAD800
Air Canada, WestJet
CAD648
Air Canada
CAD853
Air Canada
CAD881
WestJet
CAD810
Air Canada
CAD875
Air Canada, WestJet
CAD553

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
$425
United, Air Canada
$582
Delta, Air Canada, United
$603
Air Canada
$1018
Air Canada
$1139
Air Canada
$1141
Air Canada, United
$1149
Air Canada
$1263

Cheap International Flights to Ontario - ON

Flights
Airline
Lowest Price
Air Canada, Alaska, United, Delta, US Airways, American
$453
United, Air Canada
$496
Delta, Alaska, American
$530
Alaska, Delta, United, American, Air Canada, US Airways
$479
Cheap Flights from Seattle to Ontario - from $421 Round trip from SEA to ON