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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From $192 / RT details

Book your flight now with Cheapoair.com and save!

Cheap Seattle airfares from $192/RT are provided by Cheapoair.com. Outbound flight is leaving on 12/05/2020, 05:30 pm from Ontario Int`l (ONT) airport and arrives at Seattle/tacoma Sea/tac (SEA) at 08:08 am. The flight time is 14 hours and 38 minutes. The Returning flight departes on 12/13/2020, 07:20 pm (other return dates are also available). Date posted: 10 Oct 2020

Price evolution for flights From Ontario, CA To Seattle

Price overview for flights from Ontario, CA to Seattle

Recent Deals on Flights from Ontario, CA to Seattle:Roundtrip / Oneway

  • $192Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)12/05/202005:30 pm
    Seattle, WA (SEA)Ontario, CA (ONT)12/13/202007:20 pm
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  • $262Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)12/12/202005:30 pm
    Seattle, WA (SEA)Ontario, CA (ONT)12/23/202012:59 am
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  • $262Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)11/18/202009:29 am
    Seattle, WA (SEA)Ontario, CA (ONT)12/03/202007:50 pm
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  • $332Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)11/20/202012:20 pm
    Seattle, WA (SEA)Ontario, CA (ONT)11/26/202009:01 am
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  • $333Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)12/12/202003:00 pm
    Seattle, WA (SEA)Ontario, CA (ONT)12/23/202006:05 am
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  • $159Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)11/03/202010:35 am
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  • $164Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)11/13/202012:30 pm
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  • $170Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)11/25/202011:59 am
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  • $322Jetblue Airways flight Jetblue Airways 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)11/19/202011:20 pm
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  • $582Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)11/25/202010:20 am
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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 now [...]
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 [...]
Seattle Nightlife Seattle, Washington, United States is the largest city in terms of population. Being a beautiful port city, Seattle, WA US is ideally situated in the western region between the lake Washington and the Puget Sound. A major educational, cultural [...]
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