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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
CAD544
Air Canada, WestJet
CAD546
Air Canada, WestJet
CAD542
WestJet
CAD588
Air Canada, WestJet
CAD759
Air Canada, WestJet
CAD744
WestJet, Air Canada
CAD604
Air Canada, WestJet
CAD546
Air Canada, WestJet
CAD818
Air Canada, WestJet
CAD664
Air Canada
CAD915
Air Canada
CAD900
WestJet
CAD828
Air Canada
CAD895
Air Canada, WestJet
CAD566

Cheap International Flights from Seattle - SEA

Flights
Airline
Lowest Price
American, US Airways, Delta, United, Alaska, Air Canada
$409
Air Canada, United, Delta, Alaska, American, US Airways
$437
United, Air Canada
$600
Delta, Air Canada, United
$622
Air Canada
$1018
Air Canada
$1176
Air Canada
$1141
Air Canada, United
$1186
Air Canada
$1304

Cheap International Flights to Ontario - ON

Flights
Airline
Lowest Price
Air Canada, Alaska, United, Delta, US Airways, American
$463
United, Air Canada
$600
Delta, Alaska, American
$545
Alaska, Delta, United, American, Air Canada, US Airways
$493
Cheap Flights from Seattle to Ontario - from $409 Round trip from SEA to ON