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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
CAD526
Air Canada, WestJet
CAD557
Air Canada, WestJet
CAD524
WestJet
CAD495
Air Canada, WestJet
CAD625
Air Canada, WestJet
CAD626
WestJet, Air Canada
CAD585
Air Canada, WestJet
CAD511
Air Canada, WestJet
CAD671
Air Canada, WestJet
CAD547
Air Canada
CAD755
Air Canada
CAD897
WestJet
CAD648
Air Canada
CAD787
Air Canada, WestJet
CAD549

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
$576
Delta, Air Canada, United
$614
Air Canada
$1018
Air Canada
$1140
Air Canada
$1141
Air Canada, United
$1150
Air Canada
$1263

Cheap International Flights to Ontario - ON

Flights
Airline
Lowest Price
Air Canada, Alaska, United, Delta, US Airways, American
$464
United, Air Canada
$497
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