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
- $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?
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