Welcome | Sign out

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
CAD531
Air Canada, WestJet
CAD562
Air Canada, WestJet
CAD529
WestJet
CAD499
Air Canada, WestJet
CAD631
Air Canada, WestJet
CAD631
WestJet, Air Canada
CAD590
Air Canada, WestJet
CAD515
Air Canada, WestJet
CAD678
Air Canada, WestJet
CAD551
Air Canada
CAD761
Air Canada
CAD903
WestJet
CAD655
Air Canada
CAD792
Air Canada, WestJet
CAD553

Cheap International Flights from Seattle - SEA

Flights
Airline
Lowest Price
American, US Airways, Delta, United, Alaska, Air Canada
$420
Air Canada, United, Delta, Alaska, American, US Airways
$426
United, Air Canada
$583
Delta, Air Canada, United
$615
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
$480
Cheap Flights from Seattle to Ontario - from $420 Round trip from SEA to ON