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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.
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 2:23.
2,040 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.
2,040 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
$182
Alaska, United, US Airways, American, Frontier, AirTran, Delta
$182
Alaska, Delta, JetBlue, American, US Airways
$172
American, Alaska, United, Delta, US Airways
$182
US Airways, United, Frontier, Delta, Alaska, American, JetBlue, Virgin America
$194
US Airways, American, Frontier, Delta, United, Alaska, Virgin America
$186
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
$196
Alaska, Delta
$223
Delta, United, Alaska
$223
Alaska, Delta
$223
Alaska, Delta
$219
Alaska, Virgin America, Frontier, Hawaiian, Spirit, American, United, US Airways, Delta
$198
Delta, Alaska, Frontier
$221
Alaska, United, American, Frontier, AirTran, Delta, US Airways
$198
Delta, Alaska, US Airways, American, JetBlue
$163
Delta, United, American, US Airways, Alaska
$198
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
$376
American, WestJet, US Airways, Alaska, Delta, United, Air Canada
$245
Air Canada, Delta, United, Alaska, WestJet
$319
Alaska, WestJet, US Airways, Delta, United, Air Canada
$325
US Airways, Alaska, Delta
$332
American, WestJet, Air Canada, Delta, United, Alaska, US Airways
$289
United, Air Canada, Alaska, US Airways, Delta
$294
Air Canada, United, Delta, Alaska, American, US Airways, WestJet
$358
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Cheap Flights from Seattle to Ontario, from $179 Round trip from SEA to ONT