Cheap Flights from Portland to Ontario
Popular 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
Alaska, United, Delta, American, Air Canada, US Airways
Air Canada, Alaska, United, Delta, US Airways, American
United, Air Canada
United, Air Canada, Delta
Air Canada, United