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Cheap Flights from Portland to Ontario

Did You Know?

The earliest flight from Portland, OR leaves at 0:25 am.
There are 23 connecting cities from Portland, OR to Ontario.
There are 48 carriers flying into Ontario.
The most popular destination from Portland, OR is Seattle/Tacoma International.
Calgary, AB is the most popular connecting city from Portland, OR to Ontario.
Toronto, ON has the most direct flights to Ontario.

Cheap International Flights from Portland - PDX

Flights
Airline
Lowest Price
Air Canada, Alaska, United, Delta, US Airways, American
$461
United, Air Canada
$577
Alaska, Delta, United, American, Air Canada, US Airways
$477
United, Air Canada
$1121
Delta, United, Air Canada
$620
Air Canada
$1111
Air Canada
$1234
Air Canada
$1232
Cheap Flights from Portland to Ontario - from $461 Round trip from PDX to ON