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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
CAD539
Air Canada, WestJet
CAD542
Air Canada, WestJet
CAD558
WestJet
CAD596
Air Canada, WestJet
CAD593
Air Canada, WestJet
CAD738
WestJet, Air Canada
CAD599
Air Canada, WestJet
CAD474
Air Canada, WestJet
CAD624
Air Canada, WestJet
CAD649
Air Canada
CAD888
Air Canada
CAD874
WestJet
CAD647
Air Canada
CAD869
Air Canada, WestJet
CAD559

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
$379
United, Air Canada
$600
Delta, Air Canada, United
$589
Air Canada
$972
Air Canada
$1087
Air Canada
$1066
Air Canada, United
$1097
Air Canada
$1204

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 $379 Round trip from SEA to ON