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Cheap Flights from Ontario to Seattle - ONT to SEA
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This page displays the cheapest discounted airline ticket & flight information for Ontario, California to Seattle, Washington including the cheapest seats, historical ranking, recent email alerts and airlines with flights that serve these cities.
Did you know?
- The largest aircraft flying between Ontario, CA and Seattle, WA is a 737 operating by Alaska Airlines with 160 seats.
- 3,920 seats are available per week fly between Ontario, CA and Seattle, WA
- Alaska Airlines has the most flights (28) between Ontario, CA and Seattle, WA.
- The smallest aircraft flying between Ontario, CA and Seattle, WA is a 737 operating by Alaska Airlines with 124 seats.
- The best current ticket price from Ontario to Seattle is $159.
Recent Cheap Airline Airfares from Ontario, California (ONT) to Seattle, Washington (SEA)
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Airlines with Cheap Flights from Ontario, California to Seattle, Washington
Fare Compare's flight data shows that the following airlines have scheduled flights where both airports Ontario and Seattle can connect all the way through during the year using flights only on these airlines.
Cheap Flights to Seattle
FareCompare.com flight schedule information shows the following airlines with scheduled flight service between Ontario, California and Seattle, Washington. This airline list also includes cheap flight alternatives provided by code share airlines (where the plane is operated by a different partner airline).
Cheap Roundtrip Airline Tickets
Cheap roundtrip airfares for all airlines from Ontario, California to Seattle, Washington.
Cheap One Way Airline Tickets
Cheap one way airfares for all airlines from Ontario to Seattle.
Cheap Flights from Ontario to Seattle, from $159, Airfare Search for ONT to SEA