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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
$194
Alaska, United, US Airways, American, Frontier, AirTran, Delta
$214
Alaska, Delta, JetBlue, American, US Airways
$161
American, Alaska, United, Delta, US Airways
$220
US Airways, United, Frontier, Delta, Alaska, American, JetBlue, Virgin America
$182
US Airways, American, Frontier, Delta, United, Alaska, Virgin America
$186
Alaska, United, Virgin America, Delta, Frontier, US Airways
$254

Cheap Domestic Flights to Ontario - ONT

Flights
Airline
Lowest Price
Alaska, Delta, United, American, US Airways
$253
Alaska, Delta
$223
Delta, United, Alaska
$223
Alaska, Delta
$223
Alaska, Delta
$219
Alaska, Virgin America, Frontier, Hawaiian, Spirit, American, United, US Airways, Delta
$215
Delta, Alaska, Frontier
$221
Alaska, United, American, Frontier, AirTran, Delta, US Airways
$246
Delta, Alaska, US Airways, American, JetBlue
$153
Delta, United, American, US Airways, Alaska
$246
United, Delta, JetBlue, Virgin America, Frontier, Alaska, US Airways, American, Spirit
$109
United, Virgin America, Delta, Alaska, US Airways, American, Spirit, Hawaiian
$99
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
CAD346
Air Canada, United, Delta, Alaska
CAD363
American, WestJet, US Airways, Alaska, Delta, United, Air Canada
CAD238
Air Canada, Delta, United, Alaska, WestJet
CAD329
Alaska, WestJet, US Airways, Delta, United, Air Canada
CAD321
US Airways, Alaska, Delta
CAD338
American, WestJet, Air Canada, Delta, United, Alaska, US Airways
CAD305
United, Air Canada, Alaska, US Airways, Delta
CAD338
Air Canada, United, Delta, Alaska, American, US Airways, WestJet
CAD363
Cheap Flights from Seattle to Ontario, from $173 Round trip from SEA to ONT