Cheap Flights from Portland to Ontario
Popular Flights from Portland to Ontario
- Airfare from Portland to London from $536 round trip
- Airfare from Portland to Toronto from $587 round trip
- Airfare from Portland to Ottawa from $819 round trip
- Airfare from Portland to Thunder Bay from $691 round trip
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.
