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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
CAD541
Air Canada, WestJet
CAD543
Air Canada, WestJet
CAD560
WestJet
CAD597
Air Canada, WestJet
CAD632
Air Canada, WestJet
CAD740
WestJet, Air Canada
CAD601
Air Canada, WestJet
CAD518
Air Canada, WestJet
CAD795
Air Canada, WestJet
CAD651
Air Canada
CAD890
Air Canada
CAD877
WestJet
CAD824
Air Canada
CAD871
Air Canada, WestJet
CAD560

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
$359
United, Air Canada
$576
Delta, Air Canada, United
$603
Air Canada
$1018
Air Canada
$1139
Air Canada
$1117
Air Canada, United
$1149
Air Canada
$1262

Cheap International Flights to Ontario - ON

Flights
Airline
Lowest Price
Air Canada, Alaska, United, Delta, US Airways, American
$472
United, Air Canada
$600
Delta, Alaska, American
$545
Alaska, Delta, United, American, Air Canada, US Airways
$431
Cheap Flights from Seattle to Ontario - from $359 Round trip from SEA to ON