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Cheap Flights from Seattle to Ontario - SEA to ONT

Did You Know?

Only one airline operates between Seattle, WA and Ontario.
The largest aircraft flying nonstop from Seattle, WA to Ontario is the Boeing 737-900 with 172 seats.
There are 3940 flights from Seattle, WA to Ontario per week.
United Airlines has 435 connecting flights between Seattle, WA and Ontario.
The quickest nonstop flight from Seattle, WA to Ontario lasts 2:23.
268,318 seats are available per week to fly from Seattle, WA to Ontario.
Alaska Airlines provides 100% of the nonstop flights from Seattle, WA to Ontario.
2,040 seats are available per week to fly direct from Seattle, WA to Ontario.

Daily Non-stop Flight Schedules from Seattle - Tacoma (Sea-Tac) to Ontario International

Airline
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Earliest Flight
Latest Flight
Alaska
0
0
0
3
3
2
3
7:20 AM
8:30 PM

Cheap Domestic Flights from Seattle - SEA

Flights
Airline
Lowest Price
Virgin America, American, Delta, United, Alaska, US Airways, Hawaiian, Frontier
$170
Alaska, United, US Airways, American, Frontier, AirTran, Delta
$192
Alaska, Delta, JetBlue, American, US Airways
$161
American, Alaska, United, Delta, US Airways
$192
US Airways, United, Frontier, Delta, Alaska, American, JetBlue, Virgin America
$192
US Airways, American, Frontier, Delta, United, Alaska, Virgin America
$177
Alaska, United, Virgin America, Delta, Frontier, US Airways
$214

Cheap Domestic Flights to Ontario - ONT

Flights
Airline
Lowest Price
Alaska, Delta, United, American, US Airways
$190
Alaska, Delta
$235
Delta, United, Alaska
$235
Alaska, Delta
$235
Alaska, Delta
$204
Alaska, Virgin America, Frontier, Hawaiian, Spirit, American, United, US Airways, Delta
$192
Delta, Alaska, Frontier
$233
Alaska, United, American, Frontier, AirTran, Delta, US Airways
$192
Delta, Alaska, US Airways, American, JetBlue
$172
Delta, United, American, US Airways, Alaska
$192
United, Delta, JetBlue, Virgin America, Frontier, Alaska, US Airways, American, Spirit
$126
United, Virgin America, Delta, Alaska, US Airways, American, Spirit, Hawaiian
$99
United, Delta, Alaska
$238
Frontier, Delta, Alaska
$238

Cheap International Flights to Ontario - ONT

Flights
Airline
Lowest Price
Delta, United, Alaska, US Airways, Air Canada
CAD320
Air Canada, United, Delta, Alaska
CAD402
American, WestJet, US Airways, Alaska, Delta, United, Air Canada
CAD296
Air Canada, Delta, United, Alaska, WestJet
CAD344
Alaska, WestJet, US Airways, Delta, United, Air Canada
CAD358
US Airways, Alaska, Delta
CAD358
American, WestJet, Air Canada, Delta, United, Alaska, US Airways
CAD330
United, Air Canada, Alaska, US Airways, Delta
CAD320
Air Canada, United, Delta, Alaska, American, US Airways, WestJet
CAD391
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Cheap Flights from Seattle to Ontario, from $190 Round trip from SEA to ONT