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Cheap Flights from Seattle to Ontario - SEA to ONT (reverse)

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
$197
Alaska, United, US Airways, American, Frontier, AirTran, Delta
$222
Alaska, Delta, JetBlue, American, US Airways
$157
American, Alaska, United, Delta, US Airways
$222
US Airways, United, Frontier, Delta, Alaska, American, JetBlue, Virgin America
$215
US Airways, American, Frontier, Delta, United, Alaska, Virgin America
$177
Alaska, United, Virgin America, Delta, Frontier, US Airways
$234

Cheap Domestic Flights to Ontario - ONT

Flights
Airline
Lowest Price
Alaska, Delta, United, American, US Airways
$231
Alaska, Delta
$217
Delta, United, Alaska
$217
Alaska, Delta
$217
Alaska, Delta
$289
Alaska, Virgin America, Frontier, Hawaiian, Spirit, American, United, US Airways, Delta
$244
Delta, Alaska, Frontier
$215
Alaska, United, American, Frontier, AirTran, Delta, US Airways
$180
Delta, Alaska, US Airways, American, JetBlue
$138
Delta, United, American, US Airways, Alaska
$264
United, Delta, JetBlue, Virgin America, Frontier, Alaska, US Airways, American, Spirit
$196
United, Virgin America, Delta, Alaska, US Airways, American, Spirit, Hawaiian
$125
United, Delta, Alaska
$220
Frontier, Delta, Alaska
$220

Cheap International Flights to Ontario - ONT

Flights
Airline
Lowest Price
Delta, United, Alaska, US Airways, Air Canada
CAD330
Air Canada, United, Delta, Alaska
CAD444
American, WestJet, US Airways, Alaska, Delta, United, Air Canada
CAD287
Air Canada, Delta, United, Alaska, WestJet
CAD417
Alaska, WestJet, US Airways, Delta, United, Air Canada
CAD307
US Airways, Alaska, Delta
CAD314
American, WestJet, Air Canada, Delta, United, Alaska, US Airways
CAD314
United, Air Canada, Alaska, US Airways, Delta
CAD309
Air Canada, United, Delta, Alaska, American, US Airways, WestJet
CAD370
Cheap Flights from Seattle to Ontario, from $187 Round trip from SEA to ONT