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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
3
2
3
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
$225
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
$205
US Airways, American, Frontier, Delta, United, Alaska, Virgin America
$153
Alaska, United, Virgin America, Delta, Frontier, US Airways
$260

Cheap Domestic Flights to Ontario - ONT

Flights
Airline
Lowest Price
Alaska, Delta, United, American, US Airways
$251
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
$137
Delta, United, American, US Airways, Alaska
$264
United, Delta, JetBlue, Virgin America, Frontier, Alaska, US Airways, American, Spirit
$148
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
$333
Air Canada, United, Delta, Alaska
$449
American, WestJet, US Airways, Alaska, Delta, United, Air Canada
$290
Air Canada, Delta, United, Alaska, WestJet
$422
Alaska, WestJet, US Airways, Delta, United, Air Canada
$310
US Airways, Alaska, Delta
$316
American, WestJet, Air Canada, Delta, United, Alaska, US Airways
$310
United, Air Canada, Alaska, US Airways, Delta
$316
Air Canada, United, Delta, Alaska, American, US Airways, WestJet
$332
Cheap Flights from Seattle to Ontario, from $187 Round trip from SEA to ONT