Cheap flights from Seattle to Ontario, CA

Travel > North America > United States > Seattle to Ontario, CA flights

Check our current prices for flights from Seattle to Ontario, CA. 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 Seattle to Ontario, CA, you will need to run a search below.

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From $217 / RT details

Book your flight now with FlyFar and save!

Cheap Ontario airfares from $217/RT are provided by FlyFar. Outbound flight is leaving on 06/09/2017, 05:30 pm from Seattle/tacoma Sea/tac (SEA) airport and arrives at Ontario Int`l (ONT) at 09:20 pm. The flight time is 3 hours and 50 minutes. The Returning flight departes on 06/14/2017, 05:15 am (other return dates are also available). Date posted: 07 May 2017

Price evolution for flights From Seattle To Ontario, CA

Price overview for flights from Seattle to Ontario, CA

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

  • $217Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Seattle, WA (SEA)Ontario, CA (ONT)06/09/201705:30 pm
    Ontario, CA (ONT)Seattle, WA (SEA)06/14/201705:15 am
    flyfar.ca check price
  • $218Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Seattle, WA (SEA)Ontario, CA (ONT)06/09/201705:30 pm
    Ontario, CA (ONT)Seattle, WA (SEA)06/14/201705:15 am
    flightnetwork.com check price
  • $252Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Seattle, WA (SEA)Ontario, CA (ONT)06/03/201705:00 pm
    Ontario, CA (ONT)Seattle, WA (SEA)06/10/201704:45 pm
    flyfar.ca check price
  • $253Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Seattle, WA (SEA)Ontario, CA (ONT)06/03/201705:00 pm
    Ontario, CA (ONT)Seattle, WA (SEA)06/10/201704:45 pm
    flightnetwork.com check price
  • $255Southwest Airlines flight Southwest Airlines 
    FromToDepartureTime
    Seattle, WA (SEA)Ontario, CA (ONT)06/26/201712:35 pm
    Ontario, CA (ONT)Seattle, WA (SEA)07/03/201705:45 am
    flyfar.ca check price
  • $107Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Seattle, WA (SEA)Ontario, CA (ONT)06/03/201707:50 pm
    flighthub.com check price
  • $156United Airlines flight United Airlines 
    FromToDepartureTime
    Seattle, WA (SEA)Ontario, CA (ONT)06/03/201710:36 am
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  • $173United Airlines flight United Airlines 
    FromToDepartureTime
    Seattle, WA (SEA)Ontario, CA (ONT)07/06/201705:43 am
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  • $197Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Seattle, WA (SEA)Ontario, CA (ONT)06/19/201701:40 pm
    flighthub.com check price
  • $200United Airlines flight United Airlines 
    FromToDepartureTime
    Seattle, WA (SEA)Ontario, CA (ONT)06/19/201702:05 pm
    flighthub.com check price
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