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 $200 / RT details

Book your flight now with FlyFar and save!

Cheap Seattle airfares from $200/RT are provided by FlyFar. Outbound flight is leaving on 01/10/2018, 05:55 am from Ontario Int`l (ONT) airport and arrives at Seattle/tacoma Sea/tac (SEA) at 10:10 am. The flight time is 4 hours and 15 minutes. The Returning flight departes on 01/31/2018, 04:20 pm (other return dates are also available). Date posted: 12 Sep 2017

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

  • $200Major Airline flight Major Airline 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)01/10/201805:55 am
    Seattle, WA (SEA)Ontario, CA (ONT)01/31/201804:20 pm
    flyfar.ca check price
  • $200Major Airline flight Major Airline 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)12/05/201708:25 am
    Seattle, WA (SEA)Ontario, CA (ONT)12/19/201706:25 am
    flyfar.ca check price
  • $206Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)01/10/201805:55 am
    Seattle, WA (SEA)Ontario, CA (ONT)01/31/201804:20 pm
    flightnetwork.com check price
  • $206Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)12/05/201708:25 am
    Seattle, WA (SEA)Ontario, CA (ONT)12/19/201706:25 am
    flightnetwork.com check price
  • $206Major Airline flight Major Airline 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)11/05/201707:40 am
    Seattle, WA (SEA)Ontario, CA (ONT)11/18/201704:45 pm
    flyfar.ca check price
  • $107Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)10/16/201706:05 am
    flighthub.com check price
  • $109Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)10/22/201706:05 am
    flighthub.com check price
  • $111Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)10/12/201707:00 pm
    cheapoair.com check price
  • $119Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)10/16/201706:05 am
    flightnetwork.com check price
  • $123Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Ontario, CA (ONT)Seattle, WA (SEA)10/16/201706:05 am
    flyfar.ca check price
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Specify your search details. Browse the cheapest flights from Ontario, CA to Seattle, Seattle hotel rooms and Ontario, CA to Seattle vacation packages from the most popular providers, airline consolidators and travel search engines.

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, [...]
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