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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
CAD522
WestJet
CAD590
Air Canada, WestJet
CAD600
Air Canada, WestJet
CAD589
WestJet, Air Canada
CAD606
Air Canada, WestJet
CAD490
Air Canada, WestJet
CAD636
Air Canada, WestJet
CAD656
Air Canada
CAD796
Air Canada
CAD788
WestJet
CAD654
Air Canada
CAD782
Air Canada, WestJet
CAD568

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
$435
United, Air Canada
$593
Delta, Air Canada, United
$552
Air Canada
$878
Air Canada
$1014
Air Canada
$1141
Air Canada, United
$1024
Air Canada
$1121

Cheap International Flights to Ontario - ON

Flights
Airline
Lowest Price
Air Canada, Alaska, United, Delta, US Airways, American
$462
United, Air Canada
$600
Delta, Alaska, American
$545
Alaska, Delta, United, American, Air Canada, US Airways
$431
Cheap Flights from Seattle to Ontario - from $409 Round trip from SEA to ON