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Cheap Flights from Seattle to Ontario

Did You Know?

Seattle has 7 long haul flights nonstop to Ontario each week.
There are 7 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
$489
Air Canada, WestJet
$545
Air Canada, WestJet
$562
WestJet
$569
Air Canada, WestJet
$634
Air Canada, WestJet
$634
WestJet, Air Canada
$604
Air Canada, WestJet
$520
Air Canada, WestJet
$683
Air Canada, WestJet
$564
Air Canada
$993
Air Canada
$922
WestJet
$814
Air Canada, WestJet
$566

Cheap International Flights from Seattle - SEA

Flights
Airline
Lowest Price
American, US Airways, Delta, United, Alaska, Air Canada
$429
Air Canada, United, Delta, Alaska, American, US Airways
$410
United, Air Canada
$654
Delta, Air Canada, United
$596
Air Canada
$1120
Air Canada
$1253
Air Canada
$1233
Air Canada, United
$1146
Air Canada
$1388

Cheap International Flights to Ontario - ON

Flights
Airline
Lowest Price
Air Canada, Alaska, United, Delta, US Airways, American
$459
United, Air Canada
$654
Delta, Alaska, American
$542
Alaska, Delta, United, American, Air Canada, US Airways
$494
Cheap Flights from Seattle to Ontario - from $410 Round trip from SEA to ON