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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
$491
Air Canada, WestJet
$552
Air Canada, WestJet
$569
WestJet
$598
Air Canada, WestJet
$601
Air Canada, WestJet
$590
WestJet, Air Canada
$607
Air Canada, WestJet
$465
Air Canada, WestJet
$678
Air Canada, WestJet
$666
Air Canada
$782
Air Canada
$652
WestJet
$650
Air Canada, WestJet
$569

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
$411
United, Air Canada
$654
Delta, Air Canada, United
$596
Air Canada
$1120
Air Canada
$1253
Air Canada
$1233
Air Canada, United
$1146
Air Canada
$1389

Cheap International Flights to Ontario - ON

Flights
Airline
Lowest Price
Air Canada, Alaska, United, Delta, US Airways, American
$474
United, Air Canada
$654
Delta, Alaska, American
$538
Alaska, Delta, United, American, Air Canada, US Airways
$492
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Cheap Flights from Seattle to Ontario - from $411 Round trip from SEA to ON