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 $160 / RT details

Book your flight now with Cheapoair.com and save!

Cheap Seattle airfares from $160/RT are provided by Cheapoair.com. Outbound flight is leaving on 12/31/2024, 07:59 am from Ontario Int`l (ONT) airport and arrives at Seattle/tacoma Sea/tac (SEA) at 10:59 am. The flight time is 3 hours and 0 minutes. The Returning flight departes on 01/14/2025, 06:00 am (other return dates are also available). Date posted: 11 Oct 2024

Price evolution for flights From Ontario, CA To Seattle

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

• $160 Multiple Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Seattle, WA (SEA)	12/31/2024	07:59 am
  Seattle, WA (SEA)	Ontario, CA (ONT)	01/14/2025	06:00 am

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• $164 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Seattle, WA (SEA)	12/31/2024	07:59 am
  Seattle, WA (SEA)	Ontario, CA (ONT)	01/07/2025	01:22 pm

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• $184 Multiple Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Seattle, WA (SEA)	12/31/2024	07:59 am
  Seattle, WA (SEA)	Ontario, CA (ONT)	01/07/2025	05:15 am

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• $188 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Seattle, WA (SEA)	12/07/2024	08:04 am
  Seattle, WA (SEA)	Ontario, CA (ONT)	12/09/2024	02:34 pm

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• $85 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Seattle, WA (SEA)	12/18/2024	02:33 pm

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• $99 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Seattle, WA (SEA)	11/28/2024	07:58 am

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• $203 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Seattle, WA (SEA)	12/20/2024	12:59 am

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