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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
CAD601
Air Canada, WestJet
CAD750
Air Canada, WestJet
CAD524
WestJet
CAD582
Air Canada, WestJet
CAD735
Air Canada, WestJet
CAD720
WestJet, Air Canada
CAD585
Air Canada, WestJet
CAD527
Air Canada, WestJet
CAD792
Air Canada, WestJet
CAD642
Air Canada
CAD844
Air Canada
CAD872
WestJet
CAD802
Air Canada
CAD867
Air Canada, WestJet
CAD548

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
$583
Delta, Air Canada, United
$603
Air Canada
$1018
Air Canada
$1139
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
$454
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