Cheap flights from Ontario, CA to Seattle
Travel > North America > United States > Ontario, CA to Seattle flights
Check our current prices for flights from Ontario, CA to Seattle. Please note that we also give you historical search data for this city connection. These are all airfares that people found in the past, in order to find more current flight information from Ontario, CA to Seattle, you will need to run a search below.
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Cheap airfares from /OW are provided by . This flight is going on , from () airport and arrives to () at so it makes 0 hours and 0 minutes. This is a oneway flight. Date posted: 31 Dec 1969
Price evolution for flights From Ontario, CA To Seattle
Recent Deals on Flights from Ontario, CA to Seattle:Roundtrip / Oneway
- $65
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Seattle, WA (SEA) 04/02/2025 09:09 pm - $113 Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Seattle, WA (SEA) 06/25/2025 01:19 pm - We are sorry but currently there are no roundtrip offers for flights from Ontario, CA to Seattle.
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Know what to do when flying to Seattle?
Seattle Travel Guide Named after the Native American Chief Sealth, Seattle has a magnificent setting for a city with Lake Washington behind, the snowy peak of Mount Rainier in the distance and the shore of Elliott Bay at its feet. As you fly or drive into the city, [...]Seattle History Archaeological evidence suggests that the area of Seattle, WA has been inhabited for at least 4,000 years. The first known residents belonged to the Duwamish tribe. They were a group of Native Americans who were living on the site that is [...]
Seattle Sightseeing Seattle is a wonderful tourist destination with picturesque sights. It is one of the largest cities of the United States of America. The wonderful location of the city between Lake Washington and Puget Sound gives it a wonderful setting and [...]
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