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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
CAD530
Air Canada, WestJet
CAD562
Air Canada, WestJet
CAD529
WestJet
CAD499
Air Canada, WestJet
CAD631
Air Canada, WestJet
CAD631
Air Canada, WestJet
CAD590
Air Canada, WestJet
CAD514
Air Canada, WestJet
CAD678
Air Canada, WestJet
CAD551
Air Canada
CAD761
Air Canada
CAD902
WestJet
CAD655
Air Canada
CAD897
Air Canada, WestJet
CAD646

Cheap International Flights from Seattle - SEA

Flights
Airline
Lowest Price
Air Canada, Alaska, United, Delta, US Airways, American
$418
Air Canada, United, Delta, Alaska, US Airways, American
$422
Air Canada, United
$574
Air Canada, United, Delta
$612
Air Canada
$1015
Air Canada
$1137
Air Canada
$1141
Air Canada, United
$1148
Air Canada
$1260

Cheap International Flights to Ontario - ON

Flights
Airline
Lowest Price
Air Canada, Alaska, United, Delta, US Airways, American
$461
Air Canada, United
$577
Alaska, Delta, American
$530
Air Canada, Alaska, United, Delta, US Airways, American
$477
Cheap Flights from Seattle to Ontario - from $418 Round trip from SEA to ON