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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
$489
Air Canada, WestJet
$545
Air Canada, WestJet
$562
WestJet
$571
Air Canada, WestJet
$634
Air Canada, WestJet
$634
WestJet, Air Canada
$604
Air Canada, WestJet
$520
Air Canada, WestJet
$679
Air Canada, WestJet
$663
Air Canada
$993
Air Canada
$922
WestJet
$823
Air Canada, WestJet
$566

Cheap International Flights from Seattle - SEA

Flights
Airline
Lowest Price
American, US Airways, Delta, United, Alaska, Air Canada
$424
Air Canada, United, Delta, Alaska, American, US Airways
$415
United, Air Canada
$659
Delta, Air Canada, United
$601
Air Canada
$1124
Air Canada
$1257
Air Canada
$1237
Air Canada, United
$1150
Air Canada
$1393

Cheap International Flights to Ontario - ON

Flights
Airline
Lowest Price
Air Canada, Alaska, United, Delta, US Airways, American
$464
United, Air Canada
$659
Delta, Alaska, American
$538
Alaska, Delta, United, American, Air Canada, US Airways
$497
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Cheap Flights from Seattle to Ontario - from $415 Round trip from SEA to ON