Cheap flights from Ontario to North America

Travel > North America

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

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From $110 / RT details

Book your flight now with Cheapoair.com and save!

Cheap San Antonio airfares from $110/RT are provided by Cheapoair.com. Outbound flight is leaving on 02/20/2025, 09:35 pm from Ontario Int`l (ONT) airport and arrives at San Antonio Intl (SAT) at 04:58 pm. The flight time is 19 hours and 23 minutes. The Returning flight departes on 02/25/2025, 02:18 pm (other return dates are also available). Date posted: 30 Jan 2025

Price evolution for flights From Ontario To North America

Recent Deals on Flights from Ontario to North America:Roundtrip / Oneway

• $110 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	San Antonio, TX (SAT)	02/20/2025	09:35 pm
  San Antonio, TX (SAT)	Ontario, CA (ONT)	02/25/2025	02:18 pm

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• $120 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	San Antonio, TX (SAT)	02/27/2025	09:35 pm
  San Antonio, TX (SAT)	Ontario, CA (ONT)	03/05/2025	05:58 pm

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• $140 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Saint Louis, MO (STL)	04/07/2025	12:59 am
  Saint Louis, MO (STL)	Ontario, CA (ONT)	04/12/2025	06:51 pm

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• $146 Multiple Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Detroit, MI (DTW)	03/06/2025	12:59 am
  Detroit, MI (DTW)	Ontario, CA (ONT)	03/18/2025	11:45 am

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• $160 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	San Antonio, TX (SAT)	02/21/2025	05:13 pm
  San Antonio, TX (SAT)	Ontario, CA (ONT)	03/02/2025	05:26 pm

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• $61 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	San Antonio, TX (SAT)	04/12/2025	06:47 pm

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• $66 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Saint Louis, MO (STL)	02/24/2025	02:43 pm

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• $66 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	San Antonio, TX (SAT)	02/26/2025	02:43 pm

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• $75 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Detroit, MI (DTW)	02/25/2025	07:58 pm

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• $80 Frontier Airlines 

  From	To	Departure	Time
  Ontario, CA (ONT)	Saint Louis, MO (STL)	02/21/2025	12:59 am

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