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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 (Winglets) with 181 seats.
Only one airline operates between Seattle, WA and Ontario.
United Airlines has 435 connecting flights between Seattle, WA and Ontario.
The quickest nonstop flight from Seattle, WA to Ontario lasts 2:26.
2,661 seats are available per week to fly direct from Seattle, WA to Ontario.
Alaska Airlines provides 100% of the nonstop flights from Seattle, WA to Ontario.
2,661 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
3
3
3
3
3
7:15 AM
8:55 PM

Cheap Domestic Flights from Seattle - SEA

Flights
Airline
Lowest Price
Virgin America, American, Delta, United, Alaska, US Airways, Hawaiian, Frontier
$182
Alaska, United, US Airways, American, Frontier, AirTran, Delta
$198
Alaska, Delta, JetBlue, American, US Airways
$172
American, Alaska, United, Delta, US Airways
$186
US Airways, United, Frontier, Delta, Alaska, American, JetBlue, Virgin America
$232
US Airways, American, Frontier, Delta, United, Alaska, Virgin America
$182
Alaska, United, Virgin America, Delta, Frontier, US Airways
$203

Cheap Domestic Flights to Ontario - ONT

Flights
Airline
Lowest Price
Alaska, Delta, United, American, US Airways
$183
Alaska, Delta
$223
Delta, United, Alaska
$223
Alaska, Delta
$223
Alaska, Delta
$228
Alaska, Virgin America, Frontier, Hawaiian, Spirit, American, United, US Airways, Delta
$188
Delta, Alaska, Frontier
$221
Alaska, United, American, Frontier, AirTran, Delta, US Airways
$186
Delta, Alaska, US Airways, American, JetBlue
$163
Delta, United, American, US Airways, Alaska
$186
United, Delta, JetBlue, Virgin America, Frontier, Alaska, US Airways, American, Spirit
$109
United, Virgin America, Delta, Alaska, US Airways, American, Spirit, Hawaiian
$171
United, Delta, Alaska
$226
Frontier, Delta, Alaska
$226

Cheap International Flights to Ontario - ONT

Flights
Airline
Lowest Price
Delta, United, Alaska, US Airways, Air Canada
$294
Air Canada, United, Delta, Alaska
$387
American, WestJet, US Airways, Alaska, Delta, United, Air Canada
$249
Air Canada, Delta, United, Alaska, WestJet
$320
Alaska, WestJet, US Airways, Delta, United, Air Canada
$326
US Airways, Alaska, Delta
$350
American, WestJet, Air Canada, Delta, United, Alaska, US Airways
$315
United, Air Canada, Alaska, US Airways, Delta
$294
Air Canada, United, Delta, Alaska, American, US Airways, WestJet
$362
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Cheap Flights from Seattle to Ontario, from $173 Round trip from SEA to ONT