Cheap flights from Austin to Ontario, CA

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

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

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From $118 / RT details

Book your flight now with Cheapoair.com and save!

Cheap Ontario airfares from $118/RT are provided by Cheapoair.com. Outbound flight is leaving on 02/11/2025, 04:14 pm from Austin Bergstrom (AUS) airport and arrives at Ontario Int`l (ONT) at 11:47 pm. The flight time is 7 hours and 33 minutes. The Returning flight departes on 02/25/2025, 12:59 am (other return dates are also available). Date posted: 21 Dec 2024

Price evolution for flights From Austin To Ontario, CA

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

• $118 Frontier Airlines 

  From	To	Departure	Time
  Austin, TX (AUS)	Ontario, CA (ONT)	02/11/2025	04:14 pm
  Ontario, CA (ONT)	Austin, TX (AUS)	02/25/2025	12:59 am

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• $118 Frontier Airlines 

  From	To	Departure	Time
  Austin, TX (AUS)	Ontario, CA (ONT)	02/12/2025	05:11 pm
  Ontario, CA (ONT)	Austin, TX (AUS)	02/26/2025	12:59 am

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• $128 Frontier Airlines 

  From	To	Departure	Time
  Austin, TX (AUS)	Ontario, CA (ONT)	01/12/2025	09:38 pm
  Ontario, CA (ONT)	Austin, TX (AUS)	01/23/2025	06:50 pm

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• $178 Frontier Airlines 

  From	To	Departure	Time
  Austin, TX (AUS)	Ontario, CA (ONT)	02/07/2025	09:52 pm
  Ontario, CA (ONT)	Austin, TX (AUS)	02/21/2025	05:13 pm

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• $208 Frontier Airlines 

  From	To	Departure	Time
  Austin, TX (AUS)	Ontario, CA (ONT)	12/23/2024	10:30 pm
  Ontario, CA (ONT)	Austin, TX (AUS)	01/03/2025	10:39 pm

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• $65 Frontier Airlines 

  From	To	Departure	Time
  Austin, TX (AUS)	Ontario, CA (ONT)	01/11/2025	04:05 pm

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• $65 Frontier Airlines 

  From	To	Departure	Time
  Austin, TX (AUS)	Ontario, CA (ONT)	01/28/2025	04:14 pm

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• $85 Frontier Airlines 

  From	To	Departure	Time
  Austin, TX (AUS)	Ontario, CA (ONT)	01/22/2025	04:14 pm

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• $160 Frontier Airlines 

  From	To	Departure	Time
  Austin, TX (AUS)	Ontario, CA (ONT)	12/28/2024	05:25 pm

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• $195 Frontier Airlines 

  From	To	Departure	Time
  Austin, TX (AUS)	Ontario, CA (ONT)	12/26/2024	10:30 pm

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