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 $144 / RT details

Book your flight now with FlyFar and save!

Cheap Seattle airfares from $144/RT are provided by FlyFar. Outbound flight is leaving on 05/26/2018, 06:00 am from Ontario Int`l (ONT) airport and arrives at Seattle/tacoma Sea/tac (SEA) at 10:31 am. The flight time is 4 hours and 31 minutes. The Returning flight departes on 06/04/2018, 07:13 pm (other return dates are also available). Date posted: 12 Feb 2018

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

  • $144United Airlines flight United Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)05/26/201806:00 am
    Seattle, WA (SEA)Ontario, CA (ONT)06/04/201807:13 pm
    flyfar.ca check price
  • $153United Airlines flight United Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)05/26/201806:00 am
    Seattle, WA (SEA)Ontario, CA (ONT)06/04/201807:13 pm
    flightnetwork.com check price
  • $203Major Airline flight Major Airline 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)07/05/201808:10 pm
    Seattle, WA (SEA)Ontario, CA (ONT)07/14/201806:10 pm
    flyfar.ca check price
  • $209Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)07/05/201808:10 pm
    Seattle, WA (SEA)Ontario, CA (ONT)07/14/201806:10 pm
    flightnetwork.com check price
  • $225Major Airline flight Major Airline 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)07/31/201808:10 pm
    Seattle, WA (SEA)Ontario, CA (ONT)08/08/201810:40 am
    flyfar.ca check price
  • $112Major Airline flight Major Airline 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)06/09/201805:15 pm
    flyfar.ca check price
  • $116Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)06/09/201805:15 pm
    flightnetwork.com check price
  • $180Major Airline flight Major Airline 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)06/03/201806:35 am
    flyfar.ca check price
  • $185Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)06/03/201806:35 am
    flightnetwork.com check price
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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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