Cheap flights from Ontario, CA to Portland

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

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

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From $88 / RT details

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Cheap Portland airfares from $88/RT are provided by Cheapoair.com. Outbound flight is leaving on 04/01/2025, 02:01 pm from Ontario Int`l (ONT) airport and arrives at Portland Intl (PDX) at 04:14 pm. The flight time is 2 hours and 13 minutes. The Returning flight departes on 04/15/2025, 05:14 pm (other return dates are also available). Date posted: 30 Nov 2024

Price evolution for flights From Ontario, CA To Portland

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

• $88 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Portland, OR (PDX)	04/01/2025	02:01 pm
  Portland, OR (PDX)	Ontario, CA (ONT)	04/15/2025	05:14 pm

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• $118 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Portland, OR (PDX)	01/22/2025	07:45 am
  Portland, OR (PDX)	Ontario, CA (ONT)	02/11/2025	07:35 am

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• $123 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Portland, OR (PDX)	01/10/2025	08:04 am
  Portland, OR (PDX)	Ontario, CA (ONT)	01/22/2025	07:35 am

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• $168 Multiple Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Portland, OR (PDX)	01/01/2025	04:04 pm
  Portland, OR (PDX)	Ontario, CA (ONT)	01/07/2025	05:00 am

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• $214 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Portland, OR (PDX)	01/04/2025	07:00 pm
  Portland, OR (PDX)	Ontario, CA (ONT)	01/11/2025	07:35 am

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• $44 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Portland, OR (PDX)	04/02/2025	02:01 pm

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• $59 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Portland, OR (PDX)	01/16/2025	09:02 am

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• $65 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Portland, OR (PDX)	01/15/2025	12:34 pm

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• $160 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Portland, OR (PDX)	01/05/2025	10:31 pm

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• $165 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Portland, OR (PDX)	12/26/2024	10:31 pm

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