Cheap Flights from Seattle to Ontario
- You are here: Search Flights
- > Seattle to US/Canada
- > Seattle to Canada
- > Seattle
- to Ontario
Did You Know?
- There are 44 connecting cities from Seattle, WA to Ontario.
- The longest flight from Seattle, WA to Ontario is 2,054 miles.
- Toronto, ON is the most popular connecting city from Seattle, WA to Ontario.
- The earliest flight from Seattle, WA leaves at 0:15 am.
- The most popular destination from Seattle, WA is Portland International.
- There are 7 direct flights from Seattle to Ontario.
- Toronto, ON has the most direct flights to Ontario.
- There are 48 carriers flying into Ontario.
Cheap International Flights from Seattle - SEA
Cheap Flights from Seattle to Ontario - Airfare Search for tickets from SEA to ON